Page 1 Dell PowerConnect 5500 Series System User Guide Regulatory Models: PowerConnect 5524, 5524P, 5548, 5548P...
Page 2 Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
Page 3: Table Of Contents
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm Table of Contents Preface ......Features ......
Page 4 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm Spanning Tree Protocol Features ... . Link Aggregation .....
Page 5 Software Download ....Using Dell OpenManage Administrator Starting the Application ....
Page 6 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm GUI Terms ......CLI Commands ..... .
Page 7 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm sFlow ......10 Ports ......
Page 8 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm 13 Spanning Tree ....Spanning Tree Protocol Overview ...
Page 9 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm LAG Membership ....16 Multicast ......
Page 10 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm Dynamic ARP Inspection List ... . . Dynamic ARP Inspection Entries ... VLAN Settings .....
Page 11 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm 22 Quality of Service ....QoS Features and Components ... . .
Page 12 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm Contents...
Page 13: Preface
Preface PowerConnect 5524/5548 and PowerConnect 5524P/5548P are stackable, advanced multi-layer devices. This guide contains the information needed for installing, configuring, and maintaining the device through the web-based management system, called the OpenManage Switch Administrator. This guide describes how to configure each system through the web-based management system and through CLI commands.
Page 14: Features
IGMP Snooping • Port Mirroring • Broadcast Storm Control • VLAN Supported Features • Spanning Tree Protocol Features • Link Aggregation • Quality of Service Features • Quality of Service Features • Device Management Features Dell PowerConnect 55xx Systems User Guide...
Page 15: Ip Version 6 (Ipv6) Support
When PoE is used, the network devices do not have to be placed next to a power source. PoE can be used in the following applications: • IP Phones • Wireless Access Points Dell PowerConnect 55xx Systems User Guide...
Page 16: Green Ethernet
For more information, see "Flow Control" on page 380. Back Pressure Support On half-duplex links, the receiving port prevents buffer overflows by occupying the link so that it is unavailable for additional traffic. For more information, see "Protected Ports" on page 388. Dell PowerConnect 55xx Systems User Guide...
Page 17: Virtual Cable Testing (Vct)
For more information, see "Port Configuration" on page 397 or "LAG Configuration" on page 403. MAC Address Supported Features MAC Address Capacity Support The device supports up to 16K MAC addresses and it reserves specific MAC addresses for system use. Dell PowerConnect 55xx Systems User Guide...
Page 18 When Multicast groups are statically enabled, you can set the destination port of registered groups, as well as define the behavior of unregistered Multicast frames. For more information, see "Multicast" on page 508. Dell PowerConnect 55xx Systems User Guide...
Page 19: Layer 2 Features
When Layer 2 frames are forwarded, Broadcast and Multicast frames are flooded to all ports on the relevant VLAN. This occupies bandwidth, and loads all nodes connected on all ports. For more information, see "Storm Control" on page 408. Dell PowerConnect 55xx Systems User Guide...
Page 20: Vlan Supported Features
IP voice traffic from IP phones on a specific VLAN. VoIP traffic has a preconfigured OUI prefix in the source MAC address. Network administrators can configure VLANs from which voice IP traffic is Dell PowerConnect 55xx Systems User Guide...
Page 21: Spanning Tree Protocol Features
Layer 2 forwarding loops. Switches exchange configuration messages using specifically-formatted frames, and selectively enable and disable forwarding on ports. For more information, see "Spanning Tree" on page 428. Dell PowerConnect 55xx Systems User Guide...
Page 22 STP feature is disabled. When it is enabled on a port, the port is shut down if a BPDU message is received and an appropriate SNMP trap is generated. For more information, see "Spanning Tree" on page 428. Dell PowerConnect 55xx Systems User Guide...
Page 23: Link Aggregation
The IEEE 802.1p signaling technique is an OSI Layer 2 standard for marking and prioritizing network traffic at the data link/MAC sub-layer. 802.1p traffic is classified and sent to the destination. No bandwidth reservations or limits Dell PowerConnect 55xx Systems User Guide...
Page 24: Device Management Features
Device Management Features SNMP Alarms and Trap Logs The system logs events with severity codes and timestamps. Events are sent as SNMP traps to a Trap Recipient List. For more information, see "SNMP" on page 307 Dell PowerConnect 55xx Systems User Guide...
Page 25 The device configuration is stored in a configuration file. The configuration file includes both system-wide and port-specific device configuration. The system can display configuration files as a collection of CLI commands that are stored and manipulated as text files. Dell PowerConnect 55xx Systems User Guide...
Page 26 The system sends notifications of significant events in real time, and keeps a record of these events for after-the-fact usage. For more information on Syslog, see "Logs" on page 188. Dell PowerConnect 55xx Systems User Guide...
Page 27 IP systems to co-exist on a single network LLDP . It provides detailed network topology information, emergency call service via IP phone location information, and troubleshooting information. For more information, see "LLDP" on page 531. Dell PowerConnect 55xx Systems User Guide...
Page 28: Security Features
RADIUS Accounting This feature enables recording device management sessions (Telnet, serial, and WEB but not SNMP) and/or 802.1x authentication sessions. Dell PowerConnect 55xx Systems User Guide...
Page 29 For more information, see "Password Management" on page 279. The switch provides the ability to demand strong passwords, meaning that they must contain both upper and lower-case letters, numbers, and punctuation marks. For more information, see "Password Management" on page 279. Dell PowerConnect 55xx Systems User Guide...
Page 30: Port Profile (Cli Macro)
A macro is a set of CLI commands with a unique name. When a macro is applied to a port, the CLI commands contained within it are executed and added to the Running Configuration file. For more information, see "Dynamic ARP Inspection" on page 551. Dell PowerConnect 55xx Systems User Guide...
Page 31: Dhcp Server
For more information, see "Network Security" on page 92. DHCP Relay and Option 82 A DHCP relay agent detects DHCP Broadcasts from DHCP clients and relays them to DHCP servers that may reside on different subnets. Dell PowerConnect 55xx Systems User Guide...
Page 32 The switch provides the ability to turn on a LED (through the GUI interface) on a specific unit or on all units in a stack for a specific length of time. For more information, see Unit Identification (Location). Dell PowerConnect 55xx Systems User Guide...
Page 33: Hardware Description
Hardware Description This section describes PowerConnect 5500 hardware. It contains the following topics: • Device Models • Device Structure • LED Definitions • Power Supplies Dell PowerConnect 55xx Systems User Guide...
Page 34: Device Models
The PowerConnect 5500 switches combine versatility with minimal management requirements. This series includes the following device types: • PowerConnect 5524 — Provides 24 10/100/1000Mbps Base-T ports PowerConnect 5524P (with PoE) — Provides 24 10/100/1000Mbps Base-T • ports, along with Power-over-Ethernet (PoE) support •...
Page 35 The default baud rate is 9,600 bps. The baud rate can be configured from 2400 bps up to 115,200 bps. • Two HDMI Ports The HDMI ports are 1.3a specification, category 2 high-speed cables, 340 MHz (10.2 Gbit/s). They are used for stacking purposes. Dell PowerConnect 55xx Systems User Guide...
Page 36 The PowerConnect 5500 switches have a reset button, located on the front panel that is used for manual reset (reboot) of the device. The single reset circuit of the switch is activated by power-up or low-voltage conditions. Dell PowerConnect 55xx Systems User Guide...
Page 37 Locator LED — This LED is lit when the Unit Identification feature is • selected. See "Unit Identification (Location)" on page 367 for more information about this feature. • RPS/MPS — Connector for auxiliary power supply. See "Power Supplies" on page 42 for more information. Dell PowerConnect 55xx Systems User Guide...
Page 38: Led Definitions
The switch is turned off. Status Green Static The switch is operating normally. Green Flashing The switch is booting. Red Static A critical system error has occurred. Red Flashing A non-critical system error has occurred. Dell PowerConnect 55xx Systems User Guide...
Page 39 The device is a master unit. The device is not a master unit. Fan (FAN) Green Static All device fans are operating normally. Red Static One or more of the device fans are not operating. Dell PowerConnect 55xx Systems User Guide...
Page 40 Link is up high speed. Solid amber Link is up at lower speeds. The port is currently not operating. Green Flashing There is activity on the port. There is no activity on the port. Dell PowerConnect 55xx Systems User Guide...
Page 41 Table 3-4. HDMI (Stacking) Port LEDs Color Description Speed/Link Solid green Port is linked to device. Port is currently not operating. Flashing green Port is either transmitting or receiving. Port is not transmitting or receiving. Dell PowerConnect 55xx Systems User Guide...
Page 42: Power Supplies
A LED, shown in Figure 5-3, indicates whether the AC unit is connected. When the device is connected to a supplementary power source, the probability of failure in the event of a power outage decreases. Dell PowerConnect 55xx Systems User Guide...
Page 43: Stacking Overview
Stacking Overview This section describes how the Stacking feature of the PowerConnect 5500 series functions. It contains the following topics: • Stack Overview • Stack Members and Unit IDs Dell PowerConnect 55xx Systems User Guide...
Page 44: Stack Overview
Unit failure Inter-unit stacking link failure Unit insertion Unit removal When the Master unit boots, or when inserting or removing a stack member, the Master unit initiates a stacking discovering process. Dell PowerConnect 55xx Systems User Guide...
Page 45: Stacking Units
3 (Optional) Connect the left-hand HDMI port of the unit at the bottom of the stack to the right-hand HDMI port of the unit at the top of the stack. This step provides increased bandwidth and redundancy. Dell PowerConnect 55xx Systems User Guide...
Page 46 The results of this process are shown in Figure . Figure 4-1. Stacking Ring Topology HDMI Ports HDMI Ports HDMI Ports HDMI Ports Dell PowerConnect 55xx Systems User Guide...
Page 47: Stack Members And Unit Ids
It contains the following topics: • Adding a Unit to the Stack • Assigning Unit IDs • Selecting the Master and Master Backup Units • Switching from the Master to the Master Backup • Replacing Stacking Members Dell PowerConnect 55xx Systems User Guide...
Page 48 1 to step 4 below. To assign IDs to the units in the stack, do the following for each unit in the stack: 1 Connect the unit to the terminal. Dell PowerConnect 55xx Systems User Guide...
Page 49 A master is selected from the set of the two Master-enabled units. Priority is given to the lowest unit ID, but also takes into account the amount of time the unit is UP (Up Time) as follows: Dell PowerConnect 55xx Systems User Guide...
Page 50 Master if a failover occurs, so that the stack continues to operate normally. During the Warm Standby, the Master and the Master Backup are synchronized with the static configuration. When the Stacking Master is configured, it must synchronize the Master Backup. The dynamic Dell PowerConnect 55xx Systems User Guide...
Page 51 5548P or 5548 5548P or 5548 Port configurations remain the same. 5524 or 5524P The first 24 Giga (GE) ports receive the respective 5524/P 24 GE port configurations. The 10 G port configurations remain the same. Dell PowerConnect 55xx Systems User Guide...
Page 52 ID/0/port number, for example "gi1/0/24", which means Giga port 24 on unit 1 (the middle 0 is reserved for future use). Configuration files are managed from the Stack Master, including: • Saving to flash memory Dell PowerConnect 55xx Systems User Guide...
Page 53 Downloading configuration files from an external TFTP server/HTTP client • Download/upload through the USB port NOTE: Stack configuration for all configured ports is saved, even if the stack is reset and/or the ports are no longer present. Dell PowerConnect 55xx Systems User Guide...
Page 54: Configuring The Switch
"Advanced Switch Configuration" on page 63. NOTE: Before proceeding further, read the release notes for this product. You can download the release notes from the Dell Support website at support.dell.com. NOTE: We recommend that you obtain the most recent revision of the user documentation from the Dell Support website at support.dell.com.
Page 55: Configuration Work Flow
Wizard is run automatically, as described in "Configuration Using the Setup Wizard" on page 58. 4 Respond to the Setup Wizard prompts. 5 Continue managing the switch, either through the console or Telnet, using the CLI or the web GUI. Dell PowerConnect 55xx Systems User Guide...
Page 56: Connecting The Switch To The Terminal
Terminal keys ( Windows keys). NOTE: You can connect a console to the console port on any unit in the stack, but stack management is performed only from the stack master (Unit ID 1 or 2). Dell PowerConnect 55xx Systems User Guide...
Page 57: Booting The Switch
When the boot process completes, the following LEDs are lit, as shown in Figure 7-2: • Power • Status • Fan (should be green) • RPS (if it is being used) Figure 5-2. Initial LEDs Power Status Dell PowerConnect 55xx Systems User Guide...
Page 58: Configuring The Stack
Master LED on the front panel of the switch (see Figure 5-2). To configure the system using the Setup Wizard: 1 Obtain the following information from the network administrator: • SNMP Community String and SNMP Management System IP address (optional) • Username and password Dell PowerConnect 55xx Systems User Guide...
Page 59 2 Boot the Master unit. The system automatically prompts you to use the Setup Wizard. The Setup Wizard displays the following information: Welcome to Dell Easy Setup Wizard The Setup Wizard guides you through the initial switch configuration and gets you up and running easily and quickly.
Page 60 To manage the switch using SNMP (required for Dell Network Manager) you can: • Setup the initial SNMP version 2 account now. • Return later and set up the SNMP version account. For more information on setting up a SNMP version 2 account, see the user documentation.
Page 61 192.168.2.100 as the IP address and 255.255.255.0 as the IP subnet mask. 11 Press Enter. The following information is displayed: Finally, set up the default gateway. Please enter the IP address of the gateway from which this network is reachable (e.g. 192.168.2.1).Default gateway (A.B.C.D):[0.0.0.0] Dell PowerConnect 55xx Systems User Guide...
Page 62 Configuring SNMP management interface. Configuring user account..Configuring IP and subnet..Thank you for using Dell Easy Setup Wizard. You will now enter CLI mode. The CLI prompt is displayed. You have finished the initial configuration. After the initial configuration is complete, you can manage the switch from...
Page 63: Advanced Switch Configuration
It includes the following topics: • Using the CLI • Accessing the Device Through the CLI • Retrieving an IP Address • Security Management and Password Configuration • Configuring Login Banners • Startup Menu Procedures • Software Download Dell PowerConnect 55xx Systems User Guide...
Page 64: Using The Cli
Using the CLI This section provides some general information for using the CLI. For a complete description of CLI commands, refer to the Dell CLI Reference Guide PowerConnect 55xx Systems Command Mode Overview The CLI is divided into command modes, each with a specific command set.
Page 65 To configure the device, enter the next level, Global Configuration mode. Global Configuration Mode The Global Configuration mode manages device configuration on a global level. Global Configuration commands apply to system features, rather than a specific protocol or interface. Dell PowerConnect 55xx Systems User Guide...
Page 66 To run a command in a mode, which does not contain it, use do before the command, as in the following example: console# configure console(config)# interface gi1/0/1 console(config-if)# sntp client enable console(config-if)# do show sntp configuration Dell PowerConnect 55xx Systems User Guide...
Page 67: Accessing The Device Through The Cli
To start a Telnet session: 1 Select Start > Run. The Run window opens. 2 Type cmd. The cmd window opens. 3 In the cmd window, type Telnet <Enter>. IP address < > The Telnet session begins. Dell PowerConnect 55xx Systems User Guide...
Page 68: Retrieving An Ip Address
Assigning a dynamic IP Addresses on a VLAN: console# configure console(config)# interface vlan 1 console(config-if)# ip address dhcp The interface receives the IP address automatically. Dell PowerConnect 55xx Systems User Guide...
Page 69 The standard BOOTP protocol is supported and enables the device to automatically download its IP host configuration from any standard BOOTP server in the network. In this case, the device acts as a BOOTP client. Dell PowerConnect 55xx Systems User Guide...
Page 70 Do you want to continue (Y/N) [N]? ************************************************ /* the device reboots */ To display the IP address, enter the show ip interface command. The device is now configured with an IP address. Dell PowerConnect 55xx Systems User Guide...
Page 71: Security Management And Password Configuration
This affects password recovery in the following way: Enabled: When the password-recovery mechanism is invoked, one-time • access to the device without a password is enabled and all configuration and user files are retained. Dell PowerConnect 55xx Systems User Guide...
Page 72: Configuring An Initial Terminal Password
To configure an initial Telnet password, enter the following commands: console(config)# aaa authentication login default line console(config)# aaa authentication enable default line console(config)# line telnet console(config-line)# login authentication default console(config-line)# enable authentication default console(config-line)# password bob Dell PowerConnect 55xx Systems User Guide...
Page 73: Configuring An Initial Ssh Password
In the Web browser, enable SSL 2.0 or greater for the page content to be displayed. console(config)# crypto certificate 1 generate key- generate console(config)# ip http secure-server NOTE: HTTP and HTTPS services require privilege level 15 access and connect directly to the configuration level access. Dell PowerConnect 55xx Systems User Guide...
Page 74: Configuring Login Banners
(config)# banner motd * Welcome* console# do show banner motd Welcome Would you like to enable this banner to all lines? (Y/N)[Y] Y console(config)# Dell PowerConnect 55xx Systems User Guide...
Page 75 (config)# banner exec * Successfully logged in* Would you like to enable this banner to all lines? (Y/N)[Y] Y console# do show banner exec Successfully logged in Dell PowerConnect 55xx Systems User Guide...
Page 76: Startup Menu Procedures
NOTE: it is highly recommended that, before loading via xmodem, the baud rate of the device and terminal be set to 115200. Dell PowerConnect 55xx Systems User Guide...
Page 77 3 Enter config ("config" is the standard name for the Startup configuration file although you can use any name). The following is displayed: File config (if present) will be erased after system initialization ======== Press Enter To Continue ======== Dell PowerConnect 55xx Systems User Guide...
Page 78 Note that after this step, your terminal will no longer respond. Adjust your terminal speed to the configured one. Stack Menu - Option[5] To configure the stack, type [5] and press <Enter>. For more information, see "Assigning Unit IDs" on page 48. Dell PowerConnect 55xx Systems User Guide...
Page 79: Software Download
1 Enter the show version command, to verify which software version is currently running on the device. The following is an example of the information that appears: Unit SW version Boot version HW version ------ ------------------- ------------------- -------- 1.0.0.24 1.0.0.11 console# Dell PowerConnect 55xx Systems User Guide...
Page 80 Exclamation symbols indicate that a copying process is in progress. Each symbol (!) corresponds to 512 bytes transferred successfully. A period indicates that the copying process is timed out. Many periods in a row indicate that the copying process failed. Dell PowerConnect 55xx Systems User Guide...
Page 81: Boot Image Download
Loading a new boot image from the TFTP server or USB port, updates the boot image. The boot image is loaded when the device is powered on. A user has no control over the boot image copies. To download a boot image through the TFTP server: Dell PowerConnect 55xx Systems User Guide...
Page 82 3 Enter the reload command. The following message is displayed: console# reload This command will reset the whole system and disconnect your current session. Do you want to continue (Y/N) [N]? 4 Enter Y. The device reboots. Dell PowerConnect 55xx Systems User Guide...
Page 83: Using Dell Openmanage Administrator
Using Dell OpenManage Administrator This section provides an introduction to the Dell OpenManage Switch Administrator user interface. It contains the following topics: • Starting the Application • Understanding the Interface • Using the Switch Administrator Buttons • Field Definitions •...
Page 84: Starting The Application
GUI page for that feature is displayed. • Information Buttons— Located at the top of the home page, provide access to information about the device and access to Dell Support. For more information, see "Information Buttons" on page 87. Dell PowerConnect 55xx Systems User Guide...
Page 85: Device Representation
OpenManage Switch Administrator home page, and can be configured through the web management system. Non-present ports can be configured through the CLI or SNMP interfaces. Port Representation Ports are referred to in the notation: [gi/te]x/0/z, where: Dell PowerConnect 55xx Systems User Guide...
Page 86 • gi—Giga port • te —Ten Giga port • x — Unit ID • z — Port number Dell PowerConnect 55xx Systems User Guide...
Page 87: Using The Switch Administrator Buttons
Table 7-2. Information Buttons Button Description Support Opens the Dell Support page at support.dell.com About Contains the version and build number and Dell copyright information. Logout Opens the Log Out window. Device Management Icons Table 9-3 describes the device management buttons.
Page 88 Table 7-3. Device Management Icons (Continued) Refresh Refreshes device information from the Running Configuration file. Dell PowerConnect 55xx Systems User Guide...
Page 89: Field Definitions
Run a query after query criteria have been entered. Remove Remove checked elements in the page. If Select All is selected, all elements are removed. Reset All Counters Delete all counters. Restore Defaults Restores parameters entered in page to default values. Dell PowerConnect 55xx Systems User Guide...
Page 90: Gui Terms
{auto|on|off} means that for the flowcontrol command either auto, on, or off must be selected. Italic Font Indicates a parameter value. Bold Italic Font Indicates a parameter key word. <button-name> Any individual key on the keyboard. For example click <Enter>. Dell PowerConnect 55xx Systems User Guide...
Page 91 For example, the command interface range port-channel has the option of either entering a range of channels, or selecting all. When the command is entered without a parameter, it automatically defaults to all. Dell PowerConnect 55xx Systems User Guide...
Page 92: Network Security
This section describes the various mechanisms for providing security on the switch. It contains the following topics: • Port Security • ACLs • ACL Binding • Proprietary Protocol Filtering • Absolute Time Range • Time Range Recurrence • Dot1x Authentication Dell PowerConnect 55xx Systems User Guide...
Page 93: Port Security
Locked port security enables storing a list of MAC addresses in the configuration file. The MAC addresses are restored when the device is reset. Disabled ports can be activated from the Port Configuration page. Dell PowerConnect 55xx Systems User Guide...
Page 94 Locked is selected in the Set Port field. The possible options are: • Classic Lock — Locks the port using the classic lock mechanism. The port is immediately locked, regardless of the number of addresses that have already been learned. Dell PowerConnect 55xx Systems User Guide...
Page 95 The following table summarizes the CLI commands for configuring port security. Table 8-1. Port Security CLI Commands CLI Command Description Reactivates an interface that is set interface active shutdown due to port security {[gigabitethernet|tengigabitethern reasons. et] interface|port-channel LAG- number} Dell PowerConnect 55xx Systems User Guide...
Page 96 [trap seconds] Use the no form of this command to disable port security. no port security Displays lock status of specified show ports security interface or of all interfaces. [[gigabitethernet|tengigabitethern et] port-number ]|port-channel LAG-number] Dell PowerConnect 55xx Systems User Guide...
Page 97: The Following Is An Example Of The Cli Commands
--------- gi1/0/1 Disabled Max-Addresses gi1/0/2 Disabled Lock gi1/0/3 Disabled Lock gi1/0/4 Disabled Lock gi1/0/5 Disabled Lock gi1/0/6 Disabled Lock gi1/0/7 Disabled Lock gi1/0/8 Disabled Lock gi1/0/9 Disabled Lock gi1/0/10Disabled Lock gi1/0/11Disabled Lock gi1/0/12Disabled Lock Dell PowerConnect 55xx Systems User Guide...
Page 98: Acls
ACEs. The following types of ACLs can be defined: • MAC-based ACL — Examines Layer 2 fields only • IPv4-based ACL —Examines the Layer 3 layer of IPv4 frames Dell PowerConnect 55xx Systems User Guide...
Page 99 MAC Based ACL: Summary page. Figure 8-2. MAC Based ACL: Summary The currently-defined MAC-based ACLs are displayed. 2 To add a new ACL, click Add ACL, and enter the name of the new ACL. Dell PowerConnect 55xx Systems User Guide...
Page 100 Displays access lists applied on show interfaces access-lists interfaces. The following is an example of some of the CLI commands: console# show access-lists Extended IP access list ACL1 permit 234 172.30.40.1 0.0.0.0 any permit 234 172.30.8.8 0.0.0.0 any Dell PowerConnect 55xx Systems User Guide...
Page 101 A wildcard of 00:00:00:00:00:00 means the bits must be matched exactly; ff:ff:ff:ff:ff:ff means the bits are irrelevant. Any combination of 0s and ffs can be used. – Any — Check to indicate that the source address is not matched. Dell PowerConnect 55xx Systems User Guide...
Page 102 Deny — Drop packets that meet the ACL criteria. • Shutdown — Drop packets that meet the ACL criteria, and disable the port to which the packet was addressed. Logging of Dropped Packets — Check to activate logging of dropped – packets. Dell PowerConnect 55xx Systems User Guide...
Page 103 | diagnostic |dsm|etype-6000] [vlan vlan-id] [cos cos cos-wildcard] [time- range time-range-name][disable- port|log-input] The following is an example of some of the CLI commands: console(config)# mac access-list extended server1 console(config-mac-al)# permit 00:00:00:00:00:01 00:00:00:00:00:ff any Dell PowerConnect 55xx Systems User Guide...
Page 104 IPv4 Based ACL: Summary page. Figure 8-4. IPv4 Based ACL: Summary The previously-defined IPv4 ACLs are displayed. 2 To add a new ACL, click Add ACL. 3 Enter the name of the new ACL. Names are case-sensitive. Dell PowerConnect 55xx Systems User Guide...
Page 105 IPv4-Based ACEs To add a rule to an ACL: 1 Click Switching > Network Security > IPv4 Based ACE to display the IPv4 Based ACE page. Figure 8-5. IPv4 Based ACE: Summary Dell PowerConnect 55xx Systems User Guide...
Page 106 IGP — Interior Gateway Protocol (IGP). Enables for routing information exchange between gateways in an autonomous network. • UDP — User Datagram Protocol (UDP). Communication protocol that transmits packets but does not guarantee their delivery. Dell PowerConnect 55xx Systems User Guide...
Page 107 Distributes IP routing information throughout a single autonomous system in IP networks. – Protocol ID To Match — Enter a protocol number if you did not select a protocol by name. – Any(IP) — Check to use any protocol. Dell PowerConnect 55xx Systems User Guide...
Page 108 The following options are available: Select from List — Select an ICMP type from the list. • • ICMP Type — Enter the ICMP type. • Any — Check to use all ICMP types. Dell PowerConnect 55xx Systems User Guide...
Page 109 Deny — Drop packets which meet the ACL criteria. • Shutdown — Drop packet that meet the ACL criteria, and disable the port to which the packet was addressed. Logging of Dropped Packets — Check to activate logging of dropped – packets. Dell PowerConnect 55xx Systems User Guide...
Page 110 {any|source-port/port- range}{any|destination-ip-address destination-wildcard} {any|destination- port/port-range } [dscp number|precedence number] [match-all list-of-flags] [time- range time-range-name] permit udp {any|source-ip-address source- wildcard} {any|source-port|port-range} {any|destination-ip-address destination- wildcard} {any|destination-port/port-range } [dscp number|precedence number] [match- all time-range-name] [time-range time- range-name] Dell PowerConnect 55xx Systems User Guide...
Page 111 } [dscp number|precedence number] [match- all time-range-name] [time-range time- range-name] [disable-port|log-input] The following is an example of some of the CLI commands: console(config)# ip access-list extended server console(config-ip-al)# permit ip 1.1.1.0 0.0.0.255 1.1.2.0 0.0.0.0 Dell PowerConnect 55xx Systems User Guide...
Page 112 Figure 8-6. IPv6 Based ACL: Summary A list of all of the currently defined IPv6-based ACLs is displayed. 2 To add a new ACL, click Add ACL. 3 Enter the name of the new ACL. Names are case-sensitive. Dell PowerConnect 55xx Systems User Guide...
Page 113 IPv6-Based ACEs To add a rule to an IPv6-based ACL: 1 Click Switching > Network Security > IPv6 Based ACE to display the IPv6 ACE: Summary page. Figure 8-7. IPv6 Based ACE: Summary Dell PowerConnect 55xx Systems User Guide...
Page 114 This field is available only when ICMP is selected in the Protocol field. The following options are available: • Select from List — Select an ICMP type from the list. • ICMP Type — Enter the ICMP type. Dell PowerConnect 55xx Systems User Guide...
Page 115 Select one of the time ranges defined in the Time Range page. Action — The ACL forwarding action. The following options are – available: • Permit — Forwards packets that meet the ACL criteria. • Deny — Drops packets that meet the ACL criteria. Dell PowerConnect 55xx Systems User Guide...
Page 116 [time-range time-range-name] permit tcp {any|{source-prefix/length } {any|source-port/port-range} }{any|destination prefix/length } {any|destination-port/port-range} [dscp number|precedence number] [match-all list- of-flags] [time-range time-range-name] permit udp {any|{source-prefix/length }} {any|source-port|port-range} }{any|destination prefix/length } {any|destination-port/port-range} [dscp number|precedence number] [time-range time-range-name] Dell PowerConnect 55xx Systems User Guide...
Page 117 {any|{source-prefix/length }} {any|source-port/port-range} }{any|destination-prefix|length} {any|destination-port/port-range} [dscp number|precedence number] [time-range time-range-name] [disable-port|log-input] The following is an example of some of the CLI commands: console(config)# ipv6 access-list server console(config-ipv6-al)# permit tcp 3001::2/64 any any 80 Dell PowerConnect 55xx Systems User Guide...
Page 118: Acl Binding
1 Click Switching > Network Security > ACL Binding to display the ACL Binding: Summary page. Figure 8-8. ACL Binding: Summary The ports on the selected unit are displayed along with their associated ACLs. Dell PowerConnect 55xx Systems User Guide...
Page 119 The following is an example of some of the CLI commands: console(config)# mac access-list extended server console(config-mac-al)# permit 00:00:00:00:00:01 00:00:00:00:00:ff any console(config-mac-al)# exit console(config)# interface gi1/0/1 console(config-if)# service-acl input server Dell PowerConnect 55xx Systems User Guide...
Page 120: Proprietary Protocol Filtering
Figure 8-9. Proprietary Protocol Filtering: Summary A list of the ports and their filtered protocols is displayed. 2 Click Edit to modify the filtered protocols for a specific port. 3 Select a unit and an interface. Dell PowerConnect 55xx Systems User Guide...
Page 121 [protocol2 … protocol6] Use the no form of those commands no service-acl input to disable discarding of the packets. The following is an example of some of the CLI commands: console (Config-if)# service-acl input blockcdp blockvtp Dell PowerConnect 55xx Systems User Guide...
Page 122: Time Range
A possible use for this feature is to limit access of computers to the network only during business hours, after which they are locked, and access to the rest of the network is blocked. Dell PowerConnect 55xx Systems User Guide...
Page 123 4 Define the Absolute Start time. – To begin the Time Range immediately, click Immediate. – To determine at what time in the future the Time Range will begin, enter values in the Date and Time fields. Dell PowerConnect 55xx Systems User Guide...
Page 124 1 Click Switching > Network Security > Time Range Recurrence to display the Recurring Time Range: Summary page. Figure 8-11. Recurring Time Range: Summary A daily and weekly recurring element of the time range that is selected is displayed if they exist. Dell PowerConnect 55xx Systems User Guide...
Page 125 Use the no form of the commands no absolute start to remove the start and end times absolute end hh:mm day month year from the time range. no absolute end Dell PowerConnect 55xx Systems User Guide...
Page 126 The following is an example of some of the CLI commands: console (config)# time-range http-allowed console (config-time-range)# absolute start 12:00 1 jan 2005 end 12:00 31 dec 2005 console (config-time-range)# periodic monday 8:00 to friday 20:00 Dell PowerConnect 55xx Systems User Guide...
Page 127: Dot1X Authentication
Port-based authentication creates two access states: • Controlled Access — Permits communication between the supplicant and the system, if the supplicant is authorized. • Uncontrolled Access — Permits uncontrolled communication, regardless of the port authorization state. Dell PowerConnect 55xx Systems User Guide...
Page 128 Multi-Session Dot1x—Every device (supplicant) connecting to a port must be authenticated and authorized by the switch (authenticator), separately in a different Dot1x session. This is the only mode that supports Dynamic VLAN Assignment (DVA). Dell PowerConnect 55xx Systems User Guide...
Page 129 Dot1x. The switch emulates the supplicant role on behalf of the non-Dot1x-capable devices, and uses the MAC address of the devices as the username and password, when communicating with the RADIUS servers. MAC addresses for Dell PowerConnect 55xx Systems User Guide...
Page 130 The Guest VLAN, if configured, is a static VLAN with the following characteristics. • It must be manually defined from an existing, static VLAN. • It is automatically available only to unauthorized devices, or to ports of devices that are connected and Guest VLAN enabled. Dell PowerConnect 55xx Systems User Guide...
Page 131 For users that unsuccessfully authenticate during re-authentication process, but already have existing VLANs configured, the failure to authenticate does not put them in a disabled state but places them back to the existing configuration. Dell PowerConnect 55xx Systems User Guide...
Page 132 Global page. Figure 8-12. Port Based Authentication Global 2 Enter the following fields: – Port Based Authentication State — Enable/disable port-based authentication. – Authentication Method — Select an authentication method. The possible options are: Dell PowerConnect 55xx Systems User Guide...
Page 133 Use the no form of this command to no aaa authentication dot1x restore the default configuration. default Enables 802.1x globally. dot1x system-auth-control Use the no form of this command to no dot1x system-auth-control restore the default configuration. Dell PowerConnect 55xx Systems User Guide...
Page 134: Return To Default
Mode Mode Control Period -------- ------------------ ------------- -------- ------- -------- gi1/0/1 Force Authorized Authorized* Disabled 3600 gi1/0/2 Force Authorized Authorized* Disabled 3600 gi1/0/3 Force Authorized Authorized* Disabled 3600 gi1/0/4 Force Authorized Authorized* Disabled 3600 Dell PowerConnect 55xx Systems User Guide...
Page 135 Admin Interface Control — Select the port authorization state. The possible options are: • Auto — Enables port-based authentication on the interface. The interface moves between an authorized or unauthorized state, based on the authentication exchange between the device and the client. Dell PowerConnect 55xx Systems User Guide...
Page 136 Dynamic VLAN Assignment (DVA) can occur only if a RADIUS server is configured, and port authentication is enabled and set to 802.1x multi-session mode. • If the RADIUS Accept Message does not contain the supplicant’s VLAN, the supplicant is rejected. Dell PowerConnect 55xx Systems User Guide...
Page 137 Resending EAP Identity Request (1-65535) — Enter the amount of time that lapses before EAP request are resent. – Quiet Period (0-65535) — Enter the number of seconds that the device remains in the quiet state, following a failed authentication exchange. Dell PowerConnect 55xx Systems User Guide...
Page 138 Sets the maximum number of times that dot1x max-req count the device sends an EAP to the client, no dot1x max-req before restarting the authentication process. Use the no form of this command to restore the default configuration. Dell PowerConnect 55xx Systems User Guide...
Page 139 Use the no form of this command to restore the default configuration. Displays 802.1X status for the device or show dot1x for the specified interface. [[gigabitethernet|tengigabit ethernet] port-number] Dell PowerConnect 55xx Systems User Guide...
Page 140 Reauth Username Mode Control Period -------- ------- ---------- -------- ------ -------- gi1/0/1 Auto Authorized Enabled 3600 gi1/0/2 Auto Authorized Enabled 3600 John gi1/0/3 Auto Unauthoriz Enabled 3600 Clark gi1/0/4 Force- Authorized Disabled 3600 auth Dell PowerConnect 55xx Systems User Guide...
Page 141 MAC Address — Source of traffic. – Reject Reason — Reason that traffic was rejected. See Table 8-14 for a list of the possible reject reasons. – Time — Time that traffic was rejected. Dell PowerConnect 55xx Systems User Guide...
Page 142 VLAN. VLAN-DYNAM VLAN sent by RADIUS server cannot be applied because it is a dynamic VLAN. VLAN-GUEST VLAN sent by RADIUS server cannot be applied because it is the Guest VLAN. Dell PowerConnect 55xx Systems User Guide...
Page 143 Tx period: 30 Seconds Max req: 2 Supplicant timeout: 30 Seconds Server timeout: 30 Seconds Session Time (HH:MM:SS): 08:19:17 MAC Address: 00:08:78:32:98:78 Authentication Method: Remote Assigned VLAN: 207 Reason for Failure:VLAN was not defined on Switch Dell PowerConnect 55xx Systems User Guide...
Page 144 Single Host Status — Displays the host status. The possible options are: Unauthorized — The port control is Force Unauthorized, the • port link is down or the port control is Auto, but a client has not been authenticated via the port. Dell PowerConnect 55xx Systems User Guide...
Page 145 MAC address is not the supplicant MAC address. The options are: • Discard — Discard the packets from any unlearned source. • Forward — Forward the packets from an unknown source, however, the MAC address is not learned. Dell PowerConnect 55xx Systems User Guide...
Page 146 [gigabitethernet|tengigabite thernet] port-number] The following is an example of the CLI commands: console(config)# interface gi1/0/1 console(config-if)# dot1x host-mode multi-host console(config-if)# dot1x host-mode single-host console(config-if)# dot1x host-mode multi-sessions Dell PowerConnect 55xx Systems User Guide...
Page 147 User Name — Supplicant names that were authenticated on each port. – Port — Number of port. Session Time — Amount of time (in seconds) that the supplicant was – logged on the port. Dell PowerConnect 55xx Systems User Guide...
Page 148 RADIUS server (Dynamic ACL Assignment). 2 Click Details to view the names of the VLAN filters (Filter #1 and Filter #2) defined on the port, in addition to the above fields. Dell PowerConnect 55xx Systems User Guide...
Page 149 Paul 02:12:48 Remote 0008.3b89.8237 Warning console# show dot1x users username Bob Port User Session Auth VLAN Filter Name Time Method Address ------ ----- ----------- -------- -------------- ---- ------ gi1/01 1d 09:07:38 Remote 0008.3b79.8787 Dell PowerConnect 55xx Systems User Guide...
Page 150: Configuring System Information
It contains the following topics: • General Switch Information • Time Synchronization • Logs • IP Addressing • Diagnostics • Management Security • DHCP Server • DHCP Server • File Management • Stack Management • sFlow Dell PowerConnect 55xx Systems User Guide...
Page 151: General Switch Information
MAC Address, System Object ID, date, time, and system up time. To configure general device parameters: 1 Click System > General > Asset in the tree view to display the Asset page. Figure 9-1. Asset Dell PowerConnect 55xx Systems User Guide...
Page 152 Asset Tag — Enter the device asset tag. – Serial No. — Displays the device serial number. 4 Enter the Asset Tag (0-16 Characters) for each unit in the stack. This is the user-defined reference for the unit. Dell PowerConnect 55xx Systems User Guide...
Page 153 Assigns the asset tag to the unit. asset-tag [unit unit] tag Removes the asset tag from the unit. no asset-tag [unit unit] The following is an example of the CLI commands console (config)# asset-tag 2365491870 Dell PowerConnect 55xx Systems User Guide...
Page 154 PS — The power status of the internal power unit. The possible options are: Checked — The power supply is operating normally. • • Unchecked — The power supply is not operating normally. • Not Present — The power supply is currently not present. Dell PowerConnect 55xx Systems User Guide...
Page 155 3 To control the fans on a unit, or set the default value, click Edit, and enter the fields: – Unit ID — Select the unit ID whose fan will be adjusted. Dell PowerConnect 55xx Systems User Guide...
Page 156 Sets the system fans to On regardless of device system fans always-on temperature. [unit unit] Use the no form of the command to return to no system fans always-on default Displays the fans’ status. show system fans Dell PowerConnect 55xx Systems User Guide...
Page 157 Deploy double-cabling systems, significantly decreasing installation costs. PoE can be used in any network that deploys relatively low-powered devices connected to the Ethernet LAN. PDs are devices that receive power from the PowerConnect power supplies, such as: • IP phones Dell PowerConnect 55xx Systems User Guide...
Page 158 2 The PoE global parameters are displayed: – Power Status — The inline power source status. • On — The power supply unit is functioning. • Off — The power supply unit is not functioning. Dell PowerConnect 55xx Systems User Guide...
Page 159 Critical to Low. If, for example, the power supply is running at 99% usage, and port 1 is prioritized as Critical, but port 3 is prioritized as Low, port 1 is will receive power before port 3. Dell PowerConnect 55xx Systems User Guide...
Page 160 Adds a description of the powered device power inline powered-device type. Use the no version of the command pd-type to remove the description. no power inline powered- Use the no form of this command to device restore the default configuration. Dell PowerConnect 55xx Systems User Guide...
Page 161 Consumed Power Usage Threshold Traps ---- ------- ------------- ------------------ --------------- ----- 1 Watts 0 Watts (0%) Disable 1 Watts 0 Watts (0%) Disable 1 Watts 0 Watts (0%) Disable 1 Watts 0 Watts (0%) Disable Dell PowerConnect 55xx Systems User Guide...
Page 162: Time Synchronization
Manual Time Settings This section describes how to set the system time manually on the device. It contains the following topics: • Setting System Time and Daylight Savings Time • CLI Commands for Setting Manual Time Dell PowerConnect 55xx Systems User Guide...
Page 163 Cyprus — Last weekend of March until the last weekend of October. • Denmark — Last weekend of March until the last weekend of October. • Egypt — Last Friday in April until the last Thursday in September. Dell PowerConnect 55xx Systems User Guide...
Page 164 Paraguay — From 6th April until 7th September. • Poland — Last weekend of March until the last weekend of October. • Portugal — Last weekend of March until the last weekend of October. Dell PowerConnect 55xx Systems User Guide...
Page 165 United Kingdom — Last weekend of March until the last weekend of October. United States of America — From the second Sunday of March at 02:00 • to the first Sunday of November at 02:00. Dell PowerConnect 55xx Systems User Guide...
Page 166 – USA — The device switches to DST at 2 a.m. on the second Sunday of March, and reverts to standard time at 2 a.m. on the first Sunday of November. Dell PowerConnect 55xx Systems User Guide...
Page 167 Day — The day of the week from which DST begins every year. Week — The week within the month from which DST begins • every year. • Month — The month of the year in which DST begins every year. Dell PowerConnect 55xx Systems User Guide...
Page 168 Configures the system to automatically clock summer-time zone switch to summer time (according to the recurring {usa|eu|{week USA and European standards) every year on a day month hh:mm week day recurring basis. month hh:mm}}[offset] Dell PowerConnect 55xx Systems User Guide...
Page 169 [offset] no clock summer-time Sets the time zone and names it "zone" for clock timezone zone hours- display purposes. offset [minutes offset] Displays the time and date from the system show clock clock. Dell PowerConnect 55xx Systems User Guide...
Page 170 System Time from an SNTP Server This section describes how to receive date/time from an SNTP server. It contains the following topics: • SNTP Overview • SNTP Global Settings • SNTP Authentication • SNTP Servers • SNTP Interfaces Dell PowerConnect 55xx Systems User Guide...
Page 171 Polling for Anycast information is used when the SNTP server’s IP address is not defined or it cannot be reached. If this method is enabled, time information can be received from any SNTP server on the network. The Dell PowerConnect 55xx Systems User Guide...
Page 172 Stratum 2 — The time source is distanced from the Stratum 1 server over a network path, for example, a Stratum 2 server receives the time over a network link, via NTP, from a Stratum 1 server. Dell PowerConnect 55xx Systems User Guide...
Page 173 If no SNTP server is found, the process is invoked every “poll interval” (set in the SNTP Global Settings page), and a management trap is triggered. Authentication You can require that SNTP servers be authenticated, although this is not mandatory (see the SNTP Authentication pages). Dell PowerConnect 55xx Systems User Guide...
Page 174 Global Settings page, because the default is manual (local) system time. To set the clock source: 1 Click System > Time Synchronization > Global Settings in the tree view to display the Global Settings page. Figure 9-5. Global Settings Dell PowerConnect 55xx Systems User Guide...
Page 175 If SNTP was selected as the clock source in the Global Settings page, you must define the mechanism of setting time from an SNTP server. This is done in the SNTP pages, described below. Dell PowerConnect 55xx Systems User Guide...
Page 176 Receive Unicast Servers Updates — Enable/disable receiving time – information from the SNTP servers defined on the switch. – Poll Unicast Requests — Enable/disable sending SNTP Unicast server time information requests to the SNTP server. Dell PowerConnect 55xx Systems User Guide...
Page 177 SNTP Authentication Use the SNTP Authentication page to enable/disable SNTP authentication between the device and an SNTP server, and to set the means by which the SNTP server is authenticated. Dell PowerConnect 55xx Systems User Guide...
Page 178 SNTP authentication key internally. – Authentication Key (1 - 8 Characters) — Enter the key used for authentication. The SNTP server must send this key for the switch to use its time/date information. Dell PowerConnect 55xx Systems User Guide...
Page 179 Use the no form of this command to remove the authentication key for SNTP . no sntp authentication- key key-number The following is an example of the CLI commands: console(config)# sntp authenticate console(config)# sntp trusted-key 8 console(config)# sntp authentication-key 8 md5 Clkkey Dell PowerConnect 55xx Systems User Guide...
Page 180 SNTP Server — IP address of server. – – Polling — Polls the selected SNTP server for system time information, when enabled. – Encryption Key ID — Key Identification used to communicate between the SNTP server and device. Dell PowerConnect 55xx Systems User Guide...
Page 181 Link Local — A Link Local address that is non-routable and used • for communication on the same network only. • Global — A globally unique IPv6 address; visible and reachable from different subnets. Dell PowerConnect 55xx Systems User Guide...
Page 182 Unicast clients. no sntp unicast client poll Use the no form of this command to disable the polling for the SNTP client. Displays the SNTP server statuses. show sntp status Dell PowerConnect 55xx Systems User Guide...
Page 183 SNTP Interfaces If receiving time information from Anycast servers is enabled, you can determine through which interface the Anycast packets are sent and received. If no interface is defined, Anycast requests are not sent. Dell PowerConnect 55xx Systems User Guide...
Page 184 SNTP server. 2 To add an interface that can receive SNTP server updates, click Add. 3 Select an interface and enable/disable State to indicate that the interface can now receive/not receive SNTP server updates. Dell PowerConnect 55xx Systems User Guide...
Page 185 Interface no sntp client enable Configuration mode. Use the no form of this command to disable the SNTP client. Shows the configuration of the show sntp configuration Simple Network Time Protocol (SNTP). Dell PowerConnect 55xx Systems User Guide...
Page 186 The following is a sample script that configures receiving system time from an SNTP server. Table 9-12. Manual Time Setting CLI Commands Description Set the source of time as console# configure an SNTP server. console(config)#clock source sntp Dell PowerConnect 55xx Systems User Guide...
Page 187 Enable polling predefined Unicast clients. Define the server that will console(config)#sntp server 10.4.1.3 be used as an SNTP poll server. Display SNTP settings. console(config)#exit console# show sntp configuration Display SNTP servers. console# show sntp status Dell PowerConnect 55xx Systems User Guide...
Page 188: Logs
• Logging buffer (RAM)— Messages are stored in a cyclical file buffer. When the maximum number of messages is reached, messages are written starting at the beginning of the buffer (overwriting the old messages). Dell PowerConnect 55xx Systems User Guide...
Page 189 – Notice — Provides device information to which you might have to respond. – Informational — Provides device information to which you do not have to respond. Debug — Provides debugging messages. – Dell PowerConnect 55xx Systems User Guide...
Page 190 3 If Logging is enabled, select the types of events to be logged in addition to the events that are always logged: Log Authentication Events — Enable/disable generating logs when – users are authenticated. Dell PowerConnect 55xx Systems User Guide...
Page 191 Limits SYSLOG messages stored in logging file level flash memory, based on severity. no logging file Use the no form of this command to cancel using the buffer. Enables the logging of file system file-system logging events. {copy|delete-rename} Dell PowerConnect 55xx Systems User Guide...
Page 192 Use the no form of this command to disable logging authentication login events. The following is an example of the CLI commands: console# configure console(config)# logging on console(config)# logging console errors console(config)# logging file alerts Dell PowerConnect 55xx Systems User Guide...
Page 193 New Setting (after reset) field. The following is displayed for the existing logs: – Log Index — The log number in the RAM Log table. Dell PowerConnect 55xx Systems User Guide...
Page 194 The following is an example of the CLI commands: console(config)# logging buffered 300 04-Oct-2010 09:47:04 %SYSLOG-N-LOGGINGBFRSIZE: the number of syslog messages stored in the internal buffer will be changed to 300 (after reboot). Dell PowerConnect 55xx Systems User Guide...
Page 195 Log Time — The time at which the log was entered. – Severity — The log severity. – Description — The log entry text. 2 To remove all entries from the log file, click Clear Log. Dell PowerConnect 55xx Systems User Guide...
Page 196: Login History
01-Oct-2010 01:11:49 :%LINK-I-Up: gi/1/0/11 01-Oct-2010 01:11:46 :%LINK-I-Up: gi/1/0/12 Login History Use the Login History page to monitor users, including the time a user logged in, and the protocol used to log on to the device. Dell PowerConnect 55xx Systems User Guide...
Page 197 User Name — The user that logged on to the device. • Protocol — The means by which the user logged on to the device. • Location — The IP address of the station from which the device was accessed. Dell PowerConnect 55xx Systems User Guide...
Page 198 The following is an example of the CLI commands: console (config)# aaa login-history file console# show users login-history Login Time Username Protocol Location ----------- -------- -------- ---------- 01-Oct-2010 admin HTTP 172.16.1.8 23:58:17 01-Oct-2010 admin Telnet 172.16.0.8 07:59:23 Dell PowerConnect 55xx Systems User Guide...
Page 199 IPv6 Address Type — When the server supports IPv6, this specifies the type of static address supported. The possible options are: • Link Local — A Link Local address that is non-routable and used for communication on the same network only. Dell PowerConnect 55xx Systems User Guide...
Page 200 When a security level is not selected, no lower severity events appear in the log. Dell PowerConnect 55xx Systems User Guide...
Page 201 (configure) # logging host 1.1.1.1 console# show syslog-servers Device Configuration --------------------------------------------------------- IP Address Port Facility Severity Description ----------- ----- -------- ----------- ----------- 1.1.1.1 local7 info 1.1.1.2 local7 info 1.1.1.3 local7 info 1.1.1.4 local7 info Dell PowerConnect 55xx Systems User Guide...
Page 202: Ip Addressing
The 128-bit IPv6 address format is divided into eight groups of four hexadecimal digits. Abbreviation of this format by replacing a group of zeros with double colons (::) is acceptable. IPv6 address representation can be further simplified by suppressing the leading zeros. Dell PowerConnect 55xx Systems User Guide...
Page 203 If after (3+1)*3 = 12 seconds the switch has not received the ARP response, the IP address is considered to be unique. • During the procedure the switch has to reply to gratuitous ARP and probe ARP requests with the validated IP address. Dell PowerConnect 55xx Systems User Guide...
Page 204 To assign an IP address to an interface, and to define subnets to which traffic can be routed: 1 Click System IP Addressing IPv4 Interface Parameters in the tree > > view to display the IP Interface Parameters: Summary page. Figure 9-15. IPv4 Interface Parameters: Summary Dell PowerConnect 55xx Systems User Guide...
Page 205 Use the no form of the command to remove an IP address. no ip address [ip-address] Displays the usability status of show ip interface interfaces configured for IP . [[gigabitethernet|tengigabitet hernet]port-number|vlan vlan- id|port-channel LAG-number] Dell PowerConnect 55xx Systems User Guide...
Page 206 Configure an IP address with console(config-if)# ip address prefix length of 27. 10.5.225.40 /27 Set the address of the default console(config-if)# ip default- gateway gateway 10.5.225.33 Remove the address (if console(config-if)# no ip address required). Dell PowerConnect 55xx Systems User Guide...
Page 207 When a client must renew its lease, prior to its expiration date, a DHCPREQUEST message is sent. • A specific interface can have either a static IP address or a dynamic IP address, but not both. Dell PowerConnect 55xx Systems User Guide...
Page 208 To define the switch as a DHCP client: 1 Click System > IP Addressing > DHCP IPv4 Interface in the tree view to display the DHCP IPv4 Interface: Summary page. Figure 9-16. DHCP IPv4 Interface: Summary Dell PowerConnect 55xx Systems User Guide...
Page 209 Acquires an IP address on an Ethernet interface ip address dhcp from the Dynamic Host Configuration Protocol no ip address dhcp (DHCP). Use the no form of this command to release an acquired IP address. Dell PowerConnect 55xx Systems User Guide...
Page 210 IPv4 Static Routing IPv4 static routes can be configured for IP addresses that are not on directly connected networks. These are defined in the IPv4 Static Routing pages. Dell PowerConnect 55xx Systems User Guide...
Page 211 Destination IP Prefix — Enter the destination IPv4 prefix. If all zeros are entered, this represents a default route. – Network Mask — Select the destination IPv4 mask. – Prefix Length — Select the length of the destination IPv4 address prefix. Dell PowerConnect 55xx Systems User Guide...
Page 212 Displays the current routing show ip route table state. The following is an example of the CLI command: console(config)# ip route prefix 192.168.1.1 /8 10.5.234.255 metric 3 reject-route Dell PowerConnect 55xx Systems User Guide...
Page 213 1 Connect a host whose address is 1.1.1.2 to interface 1/0/1 (default route 1.1.1.1) 2 Connect a host whose address 2.1.1.2 to port 1/0/2 (default route 2.1.1.1) 3 Ping from 1.1.1.2 to 2.1.1.2 to verify the configuration Dell PowerConnect 55xx Systems User Guide...
Page 214 The system supports IPv6-addressable hosts. To define IPv6 interfaces: 1 Click System > IP Addressing > IPv6 Interface in the tree view to open the IPv6 Interface: Summary page. Figure 9-19. IPv6 Interface: Summary Dell PowerConnect 55xx Systems User Guide...
Page 215 RA messages. When auto configuration is disabled, no automatic assignment of IPv6 global Unicast addresses is performed, and existing, automatically-assigned IPv6 global Unicast addresses are removed from the interface. Dell PowerConnect 55xx Systems User Guide...
Page 216 The Prefix field is applicable only on a Global IPv6 static IPv6 address defined as a address. – EUI-64 — For global Unicast or Anycast, check to use the EUI-64 option. Dell PowerConnect 55xx Systems User Guide...
Page 217 Configures an IPv6 address for an ipv6 address ipv6- interface. address/prefix-length [eui-64] [anycast] Use the no form of this command to remove the address from the interface. no ipv6 address [ipv6- address/prefix-length] [eui- Dell PowerConnect 55xx Systems User Guide...
Page 218 IPv6 addresses of the interface. Displays the usability status of interfaces show ipv6 interface configured for IPv6. [[gigabitethernet|tengigabite thernet] port-number|vlan vlan-id|port-channel LAG- number] show ipv6 icmp error-interval Displays the IPv6 ICMP error interval. Dell PowerConnect 55xx Systems User Guide...
Page 219 Dynamic IP addresses cannot be removed. • An alert message is displayed after a user attempts to insert more than one IP address. • An alert message is displayed when attempting to insert a non-Link Local type address. Dell PowerConnect 55xx Systems User Guide...
Page 220 Type — The means by which the default gateway was configured. The possible options are: • Static — The default gateway is user-defined. Dynamic — The default gateway is dynamically configured • through router advertisement. Dell PowerConnect 55xx Systems User Guide...
Page 221 The following table summarizes the CLI commands for setting fields displayed in the IPv6 Default Gateway pages Table 9-28. IPv6 Default Gateway CLI Commands CLI Command Description Defines an IPv6 default gateway. ipv6 default-gateway ipv6- address Dell PowerConnect 55xx Systems User Guide...
Page 222 An ISATAP address is represented using the [64-bit prefix]:0:5EFE:w.x.y.z, where 5EFE is the ISATAP identifier and w.x.y.z is a public or private IPv4 address. Thus, a Link Local address will be represented as FE80::5EFE:w.x.y.z Dell PowerConnect 55xx Systems User Guide...
Page 223 ISATAP traffic until the DNS procedure is resolved. • In order for an ISATAP Tunnel to work properly over an IPv4 network, an ISATAP router is must be set up. Dell PowerConnect 55xx Systems User Guide...
Page 224 The options are: • Auto —Use the dynamic address. None —Disable the ISATAP tunnel • Manual —Use the manual address assigned. • – IPv4 Address — Enter the local (source) IPv4 address of a tunnel interface. Dell PowerConnect 55xx Systems User Guide...
Page 225 Sets the local (source) IPv4 address of tunnel source {auto|ip-address a tunnel interface. ipv4-address} Use the no form of the command to no tunnel source delete the tunnel local address. Dell PowerConnect 55xx Systems User Guide...
Page 226 1 VLAN 1. Configure an IP address with console(config-if)# ip address prefix length of 27. 10.5.225.40 /27 Set the address of the default console(config-if)# ip default-gateway gateway and exit Interface 10.5.225.33 mode. console(config-if)#exit Dell PowerConnect 55xx Systems User Guide...
Page 227 The system minimum IPv4 console(config-tunnel)#tunnel source address will be used as the auto source address for packets sent on the tunnel interface. Display tunnel configuration console(config-tunnel)# do show ipv6 tunnel Dell PowerConnect 55xx Systems User Guide...
Page 228: Ipv6 Neighbors
When removing an IPv6 interface, all neighbors entered statically or learned dynamically, are removed. To add an IPv6 neighbor: 1 Click System > IP Addressing > IPv6 Neighbors in the tree view to display the IPv6 Neighbors: Summary page. Figure 9-22. IPv6 Neighbors: Summary Dell PowerConnect 55xx Systems User Guide...
Page 229 – IPv6 Interface — Displays the interface on which IPv6 Interface is defined. – IPv6 Address — Enter the neighbor IPv6 address. MAC Address — Enter the MAC address assigned to the interface. – Dell PowerConnect 55xx Systems User Guide...
Page 230 LAG-number]} Displays IPv6 neighbor show ipv6 neighbors discovery cache information. {static|dynamic}[ipv6-address ipv6- address] [mac-address mac-address] [[gigabitethernet|tengigabitethernet] port-number|vlan vlan-id|port-channel LAG-number]] Deletes all entries in the IPv6 clear ipv6 neighbors neighbor discovery cache. Dell PowerConnect 55xx Systems User Guide...
Page 231 The following is an example of the CLI commands: console# config console(config)# ipv6 neighbor 3000::a31b vlan 1 001b.3f9c.84ea console# show ipv6 neighbors dynamic Interface IPv6 Address HW Address State Router --------- ------------ ---------- ----- ----- VLAN 1 3000::a31b 0001b.3f9c.84ea Reachable Yes Dell PowerConnect 55xx Systems User Guide...
Page 232 Click System > IP Addressing > IPv6 Routes Table in the tree view to display the IPv6 Routes Table page. Figure 9-23. IPv6 Routes Table The following is displayed for each IP address: IPv6 Address — The destination IPv6 address. – Dell PowerConnect 55xx Systems User Guide...
Page 233 The following table summarizes the CLI commands for setting fields displayed in the IPv6 Routes Table page. Table 9-32. IPv6 Routes Table CLI Commands CLI Command Description Displays the current state of the ipv6 show ipv6 route routing table. Dell PowerConnect 55xx Systems User Guide...
Page 234 L 2002:1:1:1::/64 is directly connected, VLAN 1 Lifetime 2147467 sec L 3001::/64 is directly connected, VLAN 1 Lifetime Infinite L 4004::/64 is directly connected, VLAN 1 Lifetime Infinite L 6001::/64 is directly connected, g2 Lifetime Infinite Dell PowerConnect 55xx Systems User Guide...
Page 235 The list of previously-defined DNS servers is displayed. 2 To enable mapping of host names into IP addresses through a DNS server, select DNS Status. 3 To activate one of the currently-defined DNS servers, enable Active Server. Dell PowerConnect 55xx Systems User Guide...
Page 236 Sets the available name servers. Up to eight ip name-server {server1- name servers can be set. ipv4-address|server1-ipv6- address} [server-address2 The no form of the command removes a …server-address8] name server. no ip name-server [server- address … server-address8] Dell PowerConnect 55xx Systems User Guide...
Page 237 The following is an example of the CLI commands: console (config)# ip domain lookup console(config)# ip name-server 176.16.1.18 Dell PowerConnect 55xx Systems User Guide...
Page 238 2 Enter the Default Domain Name (1 - 160 Characters). Its Type is displayed, and has one of the following options: – Dynamic — The IP address was created dynamically. – Static — The IP address is a static IP address. Dell PowerConnect 55xx Systems User Guide...
Page 239 The no form of the command disables the use of the Domain Name System (DNS). The following is an example of the CLI commands: console(config)# ip domain-name dell.com Dell PowerConnect 55xx Systems User Guide...
Page 240 2 Click Add to add a new host name. Up to four IP addresses can be added. 3 For each IP address, enter the fields: – Supported IP Format — Select whether the IPv4 or IPv6 format is supported. Dell PowerConnect 55xx Systems User Guide...
Page 241 Deletes entries from the host name-to-address cache. clear host {name|*} Displays the default domain name, list of name server show hosts [name] hosts, the static and the cached list of host names and addresses. Dell PowerConnect 55xx Systems User Guide...
Page 242 MAC addresses. ARP enables a host to communicate with other hosts when their IP addresses are known. To add an IP/MAC address mapping: 1 Click System > IP Addressing > ARP in the tree view to display the ARP: Summary page. Figure 9-27. ARP: Summary Dell PowerConnect 55xx Systems User Guide...
Page 243 4 To change the status of a mapping from static to dynamic or vice versa, click Edit and enter the field: – Status — Select the entry’s status. The possible options are: • Static — The entry was statically entered. • Dynamic — The entry was dynamically learned. Dell PowerConnect 55xx Systems User Guide...
Page 244 198.133.219.232 00-00-0c-40-0f-bc console(config)# arp timeout 12000 console(config)# exit console# show arp ARP timeout: 12000 Seconds Interface IP Address HW Address Status --------- ---------- ---------- ------ gi1/0/11 10.7.1.102 00:10:B5:04:DB:4B dynamic gi1/0/12 10.7.1.135 00:50:22:00:2A:A4 static Dell PowerConnect 55xx Systems User Guide...
Page 245 To configure the relaying of UDP packets received from a specific IPv4 interface with a destination UDP port: 1 Click System > IP Addressing > UDP Relay in the tree view to display the UDP Relay: Summary page. Figure 9-28. UDP Relay: Summary Dell PowerConnect 55xx Systems User Guide...
Page 246 (helper) address. no ip helper-address {ip- Use the no form of this command to interface|all} address disable the forwarding of broadcast packets to a specific (helper) address. Dell PowerConnect 55xx Systems User Guide...
Page 247 The following is an example of the CLI commands: console (config)# ip helper-address all 172.16.9.9 49 53 console (config)# do show ip helper-address Interface Helper Address UDP Ports ----------- --------------- -------------------------- 172.16.9.9 49,53 Dell PowerConnect 55xx Systems User Guide...
Page 248: Diagnostics
Diagnostics This section describes how to perform cable tests on copper and fiber optic cables. It contains the following sections: • Integrated Cable Test • Optical Transceiver Diagnostics Dell PowerConnect 55xx Systems User Guide...
Page 249 2 Select a unit in the stack in the Unit ID field. Results from previously-run tests on that unit are displayed. 3 Ensure that both ends of the copper cable are connected to a device. Dell PowerConnect 55xx Systems User Guide...
Page 250 Shows results of last VCT tests on show cable-diagnostics tdr ports. interface[gigabitethernet|tengigab itethernet] port-number Displays the estimated copper show cable-diagnostics cable- cable length attached to a port. length interface [gigabitethernet|tengigabitetherne t] port-number Dell PowerConnect 55xx Systems User Guide...
Page 251: Optical Transceiver Diagnostics
X3366 — 1000Base-SX, Finisar FTLF8519P2BNL – U3650 — 1000Base-LX, Finisar FTRJ1319P1BTL • SFP+: – N743D — SR, Finisar FTLX8571D3BCL – T307D — LR, Finisar FTLX1471D3BCL – C043H — LRM, Avago AFBR-707SDZ-D1 – N198M — LRM, Finisar FTLX1371D3BCL Dell PowerConnect 55xx Systems User Guide...
Page 252 Transmitter Fault — A fault occurred during transmission. – – Loss of Signal — A signal loss occurred in the cable. Data Ready — The transceiver has achieved power up, and data is – ready. Dell PowerConnect 55xx Systems User Guide...
Page 253 The following is an example of the CLI command: console# show fiber-ports optical-transceiver detailed Port Temp Voltage Current Output Input POWER [aM] [mWat] [mWa] [mWa] ------- ---- ------- ---- ---- ---- ---- gi1/0/1 5.15 1.789 1.789 gi1/0/2 5.15 1.789 1.789 Dell PowerConnect 55xx Systems User Guide...
Page 254: Management Security
Management access may be separately defined for the following types of management access methods: • Telnet (CLI over Telnet sessions) • Secure Telnet • Web (HTTP) • Secure Web (HTTPS, Using SSL) • SNMP Dell PowerConnect 55xx Systems User Guide...
Page 255 A total of 256 rules can be defined for all Management Access profiles. To add rules to existing access profiles, see "Profile Rules" on page 259. Dell PowerConnect 55xx Systems User Guide...
Page 256 This profile cannot be removed. 3 To add a new profile, click Add, and enter the fields: – Access Profile Name (1-32 Characters) — Enter a name for the access profile. Dell PowerConnect 55xx Systems User Guide...
Page 257 Action — Select whether to permit or deny management access to the – defined interface. The possible options are: • Permit — Permits access to the device. • Deny — Denies access to the device. Dell PowerConnect 55xx Systems User Guide...
Page 258 Defines an access-list for management. management access-list name Use the no form of this command to delete an access list. no management access-list name The following is an example of the CLI commands: console(config)# management access-list mlist console(config-macl)# Dell PowerConnect 55xx Systems User Guide...
Page 259 2 Select an access profile name. Its rules are displayed in the order that they will be implemented. 3 To add a rule to the selected management access profile, click Add. 4 Select a management access profile. 5 Complete the fields that are defined in Access Profiles pages. Dell PowerConnect 55xx Systems User Guide...
Page 260 LAG-number] [service service] Defines which access-list is used as management access-class the active management connections. {console-only|name} Use the no form of this command to no management access-class disable management connection restrictions. Dell PowerConnect 55xx Systems User Guide...
Page 261 ----- permit gi1/0/1 permit gi1/0/2 deny gi1/0/3 deny gi1/0/4 ! (Note: all other access implicitly denied) console# show management access-class Management access-class is enabled, using access list mlist Dell PowerConnect 55xx Systems User Guide...
Page 262: Authentication Profiles
The process of configuring authentication for management access methods is divided into the following stages: • Create an authentication profile, as described below • Assign an authentication profile to a management method, as described in "Select Authentication" on page 265 Dell PowerConnect 55xx Systems User Guide...
Page 263 Authentication Method: Optional Methods — Select a user authentication methods that can be assigned to this authentication profile. The possible options are: • Line — The line password is used for user authentication (defined in "Line Passwords" on page 272). Dell PowerConnect 55xx Systems User Guide...
Page 264 Use the no form of the command to [method2] remove a login authentication profile. no aaa authentication login {default|list-name} The following is an example of the CLI commands: console(config)# aaa authentication login default radius local enable none Dell PowerConnect 55xx Systems User Guide...
Page 265 Select Authentication page. Figure 9-34. Select Authentication 2 For the Console, Telnet and Secure Telnet (SSH) types of users, select either the default authentication profile or one of the previously-defined authentication profiles. Dell PowerConnect 55xx Systems User Guide...
Page 266 Telnet, Console or SSH. ip http authentication aaa login- Indicates authentication method1 method2 methods for HTTP or HTTPS authentication servers. no ip http authentication aaa login- authentication show authentication methods Displays information about the authentication methods. Dell PowerConnect 55xx Systems User Guide...
Page 267 The following is an example of the CLI commands that creates an authentication method list for http server access (RADIUS and local): console(config)# ip http authentication aaa login- authentication radius local console(config)# exit Dell PowerConnect 55xx Systems User Guide...
Page 268 The following fields are displayed for all active users: – Name — Active users logged into the device. – Protocol — The management method by which the user is connected to the device. Location — The user’s IP address. – Dell PowerConnect 55xx Systems User Guide...
Page 269 Displays information about active users. The following example shows an example of the CLI command: console> show users Username Protocol Location -------- -------- --------- Serial John 172.16.0.1 Robert HTTP 172.16.0.8 Betty Telnet 172.16.1.7 Dell PowerConnect 55xx Systems User Guide...
Page 270: Local User Database
If a user has been suspended, it can be restored here by selecting the Reactivate Suspended User field. 2 To add a user, click Add, and enter the fields: User Name (1-20 characters) — Enter the username of the user. – Dell PowerConnect 55xx Systems User Guide...
Page 271 Use the no form to remove a user name. username name [privilege-level] no username name Reactivates a suspended user’s set username name active access rights. Displays users information. show user accounts Dell PowerConnect 55xx Systems User Guide...
Page 272: Line Passwords
Figure 9-37. Line Password 2 Enter the fields for each type of user, separately: – Password (0 - 159 Characters) — Enter the line password for accessing the device. – Confirm Password — Confirm the line password. Dell PowerConnect 55xx Systems User Guide...
Page 273 Sets a password on a line. password password [encrypted] Use the no form of this command to remove the password. no password The following is an example of the CLI commands: console(config)# line console console(config-line)# password dell Dell PowerConnect 55xx Systems User Guide...
Page 274: Enable Password
Users with access level 15 are Privileged Users, and only they can access and use the OpenManage Switch Administrator. – Password (0-159 characters) — Enter the enable password. – Confirm Password — Confirm the password. Dell PowerConnect 55xx Systems User Guide...
Page 275 TACACS+ provides the following services: • Authentication — Provides authentication during login and via user names and user-defined passwords. Authorization — Performed at login after authentication. The TACACS+ • server checks the privileges of the authenticated user. Dell PowerConnect 55xx Systems User Guide...
Page 276 Source IP Address — The device IP address used for the TACACS+ session between the device and the TACACS+ server. The default is 0.0.0.0., which means that any IP address of the device can be used to communicate with the TACACS+ server. Dell PowerConnect 55xx Systems User Guide...
Page 277 Timeout for Reply (1-30) — Enter the amount of time that passes – before the connection between the device and the TACACS+ server times out. – Single Connection — Check to maintain a single open connection between the device and the TACACS+ server. Dell PowerConnect 55xx Systems User Guide...
Page 278 Specifies the source IP address. tacacs-server source-ip source Use the no form of this command to no tacacs-server source-ip restore the default configuration. source Displays configuration and statistics show tacacs [ip-address] for a TACACS+ server. Dell PowerConnect 55xx Systems User Guide...
Page 279: Password Management
Prevention of frequent password reuse • Lockout of users after failed login attempts • Number of repeated characters allowed • Number of different character classes required in the password. Numeric, alphabetic, and special characters are all character classes. Dell PowerConnect 55xx Systems User Guide...
Page 280 Password warnings are logged in the SYSLOG file. NOTE: Password aging is enabled only after setting the switch to use SNTP for setting time. Dell PowerConnect 55xx Systems User Guide...
Page 281 The number of character classes selected indicates how many different types of characters must be in the password. Repeated Characters — Select the number of permissible repeated – characters in the password. Dell PowerConnect 55xx Systems User Guide...
Page 282 Enforces limits of repeated passwords strength [max-limit characters and character classes. repeated characters | minimum character-classes] Use the no form of this command to disable enforcing limits of no passwords strength repeated characters and character classes. Dell PowerConnect 55xx Systems User Guide...
Page 283 The following is a sample script that sets password strength rules and creates a user with a valid password. Table 9-50. CLI Script to Configure Strong Password CLI Command Description Enable strong passwords. console#configure console(conf)# passwords strength- check enable Dell PowerConnect 55xx Systems User Guide...
Page 284 Remote Authentication Dial-In User Service (RADIUS) servers provide additional security for networks. Up to four RADIUS servers can be defined. RADIUS servers provide a centralized authentication method for: • Telnet Access • Secure Shell Access • Web Access • Console Access Dell PowerConnect 55xx Systems User Guide...
Page 285 RADIUS communications between the device and the RADIUS server. This key is used for encryption. – Source IPv4 Address — The source IP v4 address that is used for communication with RADIUS servers. Dell PowerConnect 55xx Systems User Guide...
Page 286 Dead Time (0-2000) — The amount of time (in minutes) that a RADIUS server is bypassed for service requests. – Key String (0-128 Characters) — The key string used for authenticating and encrypting all RADIUS communications between the device and the RADIUS server. Dell PowerConnect 55xx Systems User Guide...
Page 287 Specifies the source IPv4 address radius-server source-ip source- that will be used for the IPv4 ip-address communication with RADIUS no radius-server source-ip servers. source-ip-address Use the no form of this command to restore the default configuration. Dell PowerConnect 55xx Systems User Guide...
Page 288 RADIUS no radius-server key communications between the router and the RADIUS server. Use the no form of this command to restore the default configuration. Displays the RADIUS server show radius-servers settings. Dell PowerConnect 55xx Systems User Guide...
Page 289: The Following Is An Example Of Cli Commands
1.1.1.41 1812 1813 Global Global Global Global 1.1.1.51 1812 1813 Global Global Global Global Global values -------------- TimeOut : 3 Retransmit : 3 Deadtime : 0 Source IP : 0.0.0.0 Source IPv6 : :: Dell PowerConnect 55xx Systems User Guide...
Page 290: Dhcp Server
Dynamic Allocation — A client obtains a leased IP address for a specified period of time. The IP address is revoked at the end of this period, and the client must request another IP address. Dell PowerConnect 55xx Systems User Guide...
Page 291 To configure the device as a DHCP server: 1 Click System > DHCP Server > DHCP Server Properties in the tree view to display the DHCP Server Properties page. Figure 9-42. DHCP Server Properties Dell PowerConnect 55xx Systems User Guide...
Page 292 DHCP server sends to a pool address as no ip dhcp ping count part of a ping operation. Use the no form of this command to restore the default configuration. Dell PowerConnect 55xx Systems User Guide...
Page 293 Use the no form of this command to restore default values. The following is an example of the CLI commands: console(config)# ip dhcp ping enable console(config)# ip dhcp ping count 5 Dell PowerConnect 55xx Systems User Guide...
Page 294: Network Pool
2 Click Add to define a new network pool, and enter the fields: – Pool Name — Enter the pool name. Subnet IP Address — Enter the subnet in which the network pool – resides. Dell PowerConnect 55xx Systems User Guide...
Page 295 NetBIOS Node Type — Select how to resolve the NetBIOS name. Valid node types are: • Empty — Default value. • Broadcast — IP Broadcast messages are used to register and resolve NetBIOS names to IP addresses. Dell PowerConnect 55xx Systems User Guide...
Page 296 Configures a DHCP address pool on a ip dhcp pool network name DHCP Server and enters DHCP Pool no ip dhcp pool network name Configuration mode. Use the no form of this command to remove the address pool. Dell PowerConnect 55xx Systems User Guide...
Page 297 NetBIOS name server list. Configures the NetBIOS node type for netbios-node-type {b-node|p- Microsoft Dynamic Host Configuration node|m-node|h-node} Protocol (DHCP) clients. no netbios-node-type Use the no form of this command to remove the NetBIOS node type. Dell PowerConnect 55xx Systems User Guide...
Page 298 Displays the DHCP network pool show ip dhcp pool network configuration. [name] The following is an example of the CLI commands: console(config)# ip dhcp pool network pool1 console(config-dhcp)# address 10.12.1.99 255.255.255.0 01b7.0813.8811.66 console(config-dhcp)# lease 1 Dell PowerConnect 55xx Systems User Guide...
Page 299 The previously-defined excluded IP addresses are displayed. 2 To add a range of IP addresses to be excluded, click Add, and enter the fields: – Start IP Address — First IP address in the range of excluded IP addresses. Dell PowerConnect 55xx Systems User Guide...
Page 300 The following is an example of the CLI commands: console(config)# ip dhcp excluded-address 172.16.1.100 172.16.1.199 console> show ip dhcp excluded-addresses The number of excluded addresses ranges is 2 Excluded addresses: 10.1.1.212- 10.1.1.219, 10.1.2.212- 10.1.2.219 Dell PowerConnect 55xx Systems User Guide...
Page 301 IP Address — Enter the IP address that was statically assigned to the host. • Network Mask — Enter the pool’s network mask. Prefix Length — Enter the number of bits that comprise the address • prefix. Dell PowerConnect 55xx Systems User Guide...
Page 302 When configured to use h-node, a computer always tries p-node first and uses b-node only if p-node fails. This is the default. SNTP Server — Enter the IP address of the time server for the DHCP – client. Dell PowerConnect 55xx Systems User Guide...
Page 303 Deletes entries from the host name- clear host to-address cache. See Table 11-53 for the remaining CLI commands that are common to the Network Pool pages, but are used in the context DHCP Pool Host context. Dell PowerConnect 55xx Systems User Guide...
Page 304 System Name: Default domain: Domain name is not configured Name/address lookup is enable Name servers (Preference order): 1.1.1.1 1.1.1.2 1.1.1.3 1.1.1.4 1.1.1.5 Configured host name-to-address mapping: Host IP Address --------------------------------- ----------------------- accounting.website.com 176.10.23.1 Dell PowerConnect 55xx Systems User Guide...
Page 305: Address Binding
– Type — The manner in which the IP address was assigned to the client. The possible options are: • Static — The hardware address of the host was mapped to an IP address. Dell PowerConnect 55xx Systems User Guide...
Page 306 Dynamic — The IP address, obtained dynamically from the switch, is owned by the client for a specified period of time. The IP address is revoked at the end of this period, at which time the client must request another IP address. Dell PowerConnect 55xx Systems User Guide...
Page 307: Snmp
SNMPv1 and SNMPv2 PDUs. In addition, a User Security Model (USM) can be defined, which includes: • Authentication — Provides data integrity and data origin authentication. Dell PowerConnect 55xx Systems User Guide...
Page 308 Users are defined in the User Security Model pages SNMPv3 provides two security mechanisms: – Authentication — The switch checks that the SNMP user is an authorized system administrator. This is done for each and every frame. Dell PowerConnect 55xx Systems User Guide...
Page 309 SNMP Engine ID is comprised of the enterprise number and the default MAC address. The SNMP engine ID must be unique for the administrative domain, so that no two devices in a network have the same engine ID. Dell PowerConnect 55xx Systems User Guide...
Page 310 The Engine ID must be defined before SNMPv3 is enabled. For stacked devices, verify that the Engine ID is unique for the administrative domain. This prevents two devices in a network from having the same Engine ID. Dell PowerConnect 55xx Systems User Guide...
Page 311 Use the no form of this command to remove the configured engine ID. Enables the router to send Simple Network snmp-server enable traps Management Protocol traps. no snmp-server enable traps Use the no form of the command to disable SNMP traps. Dell PowerConnect 55xx Systems User Guide...
Page 312 Well-known names can be used to specify the root of the desired subtree, or an OID can be entered (see "Model OIDs" on page 309). Each subtree is either included in or excluded from the view being defined. Dell PowerConnect 55xx Systems User Guide...
Page 313 5 To complete the definition of the view, click Edit, and select a View Name to modify. Enter the fields: New Object ID Subtree — Check to specify the device feature OID – included or excluded in the selected SNMP view. Dell PowerConnect 55xx Systems User Guide...
Page 314 1 snmp-server view included console(config)# console# show snmp views Name OID Tree Type ------------ --------------- -------- user1 system included Default included Default snmpVacmMIB excluded Default usmUser excluded Default rndCommunityTable excluded DefaultSuper included Dell PowerConnect 55xx Systems User Guide...
Page 315 Access Control: Summary page. Figure 9-49. Access Control: Summary Previously-defined groups are displayed. 2 To add a new group, click Add, and enter the fields: – Group Name (1-30 Characters) — Enter a group name. Dell PowerConnect 55xx Systems User Guide...
Page 316 SNMP views. writeview] [notify notifyview] Use the no form of this command to no snmp-server group groupname remove a specified SNMP group. {v1|v2|v3 [noauth|auth|priv]} [context-name] Displays the configuration of groups show snmp groups [groupname] Dell PowerConnect 55xx Systems User Guide...
Page 317 Control pages. When the configuration file is saved, SNMP communities/users are not saved. This means that if you configure another device with this configuration file, you must define the SNMP communities/users on that device. Dell PowerConnect 55xx Systems User Guide...
Page 318 SNMPv3 User Database. Select either Local or Remote. If Remote is selected, enter the remote engine ID. – Group Name — Select from a list of user-defined SNMP groups. SNMP groups are defined in the Access Control Group pages. Dell PowerConnect 55xx Systems User Guide...
Page 319 20 bytes are defined. If both privacy and authentication are required, 16 bytes are defined. Each byte in hexadecimal character strings is two hexadecimal digits. Each byte can be separated by a period or colon. Dell PowerConnect 55xx Systems User Guide...
Page 320: Snmp Communities
Advanced Table — Access rights to a community are assigned to a group • that consists of users. A group can have Read, Write, and Notify access to views. Groups are defined in the Access Control pages. Dell PowerConnect 55xx Systems User Guide...
Page 321 IPv6 Address Type — When the community supports IPv6, this specifies the type of static address supported. The possible options are: • Link Local — A Link Local address that is non-routable and used for communication on the same network only. Dell PowerConnect 55xx Systems User Guide...
Page 322 Advanced — When SNMP Advanced mode is selected, you can select an SNMP group to specify the SNMP access control rules for the selected community. The SNMP Advanced mode is defined only with SNMPv3. Dell PowerConnect 55xx Systems User Guide...
Page 323: Snmp Notification Filters
The following is an example of the CLI commands: console (config)# snmp-server community dell ro 10.1.1.1 SNMP Notification Filters Notification filters determine the type of SNMP notifications that are sent to the management station, based on the OID of the notification to be sent.
Page 324 3 If required, the notification filter type can be changed by selecting one of the following options: – Excluded — OID traps or informs will not be sent. – Included — OID traps or informs will be sent. Dell PowerConnect 55xx Systems User Guide...
Page 325 {included|excluded} Use the no form of this no snmp-server filter filter-name command to remove the [oid-tree] specified SNMP server filter entry. Displays the configuration of [filter-name] show snmp filters SNMP notification filters Dell PowerConnect 55xx Systems User Guide...
Page 326 When an event arises that requires a trap message to be sent, it is sent to every node listed in the trap receiver list. Some messages are of an informational nature and are called "informs" instead of traps. Dell PowerConnect 55xx Systems User Guide...
Page 327 Link Local — A Link Local address that is non-routable and used • for communication on the same network only. • Global — A globally unique IPv6 address; visible and reachable from different subnets. Dell PowerConnect 55xx Systems User Guide...
Page 328 Filter Name — Select an SNMP filter from a list of previously-defined – SNMP filters. – Timeout (1-300) — The amount of time (seconds) the device waits before resending informs. – Retries (1-255) — The amount of times the device resends an inform request. Dell PowerConnect 55xx Systems User Guide...
Page 329 172.16.1.1 private console(config)# end console# show snmp Community- Community- View Name IP Address String Access ------------- ------------ --------- ---------- public read only user-view private read write default 172.16.1.1 private DefaultSup 172.17.1.1 Dell PowerConnect 55xx Systems User Guide...
Page 330: File Management
During the session, new configuration commands are added to the Running Configuration file. To update the Startup Configuration file with these configuration commands, the Running Configuration file must first be copied to the Startup Configuration file before powering down the Dell PowerConnect 55xx Systems User Guide...
Page 331 The Auto-Update/Configuration feature enables initial configuration of the device and upgrading of the firmware through an automatic process, which enables the administrator to ensure that the configuration/firmware of all the devices in the network is up-to-date. Dell PowerConnect 55xx Systems User Guide...
Page 332 In-Use—This line has already been applied. It is no longer a candidate for future use. – Invalid—The line is invalid, do not use. – Blank—There is no value for the flag field. This line is a candidate to be applied to the device. Dell PowerConnect 55xx Systems User Guide...
Page 333 – 0080.c200.0010 192.168.0.10 255.255.255.0 switch-X.text pc5500- 4018.ros invalid This line will not be used because the flag is invalid indicating that it is failed in the past. Dell PowerConnect 55xx Systems User Guide...
Page 334 <IP_address> <IP_mask> <Flag> Example: 192.168.0.10 255.255.255.0 This means that the line applies to any device (no MAC address is supplied); a new IP address of 192.168.0.10 is to be assigned to the device, with mask: 255.255.255.0. Dell PowerConnect 55xx Systems User Guide...
Page 335 See "Preparations for Using Auto Configuration from a TFTP Server" on page 338. NOTES: • DHCP client never triggers the Auto-Update process from a TFTP server after attempting (whether successfully or not) to auto-update/configure configuration/image file from the USB drive. Dell PowerConnect 55xx Systems User Guide...
Page 336 Setup file is not found—The root folder of the USB is searched for an image files (with .ros extension). • The image file with the most recent version is loaded into the image file if the versions are different. Dell PowerConnect 55xx Systems User Guide...
Page 337 "in-use". This ensures that the line is not used for another device. – If the line was not applied successfully, for one of the following reasons, the line is marked as "invalid" and a SYSLOG message is sent. Dell PowerConnect 55xx Systems User Guide...
Page 338 Configure the DHCP server with option 67 and the name of the configuration file on the TFTP server (for example, config.txt). – Configure the DHCP server with option -20 or 66. This is the IP address of the TFTP server. Dell PowerConnect 55xx Systems User Guide...
Page 339 IP address in this list, the hostname associated with it is used. • The switch tries to download a configuration file with the following names: – hostname-config hostname.cfg if the previous file does not exist – – host.cfg if the previous files do not exist Dell PowerConnect 55xx Systems User Guide...
Page 340 It should be written from right to left. 674=02 a2 • 15 — Data Length • 01 — Sub option code 1 (Dell PowerConnet 55xx value) • 13 — Sub option length • Conversion of the file name (in the above example: conversion of indirect-contax.txt from ASCII to HEX - 69-6E-64-69-72-65-63-...
Page 341 TFTP servers. 1 Click System > File Management > Auto Update of Configuration/Image File in the tree view to display the Auto Update of Configuration/Image File page. Figure 9-54. Auto Update of Configuration/Image File Dell PowerConnect 55xx Systems User Guide...
Page 342 Use the no form of this command to disable DHCP auto configuration. Enables the support of auto-update via boot host auto-update DHCP . no boot host auto-update Use the no form of this command to disable DHCP auto configuration Dell PowerConnect 55xx Systems User Guide...
Page 343 The following is an example of the CLI command to view the Auto-Update status: console# show boot Auto Config ----------- Config Download via DHCP: enabled Next Boot Config Download via DHCP: force Auto Update ----------- Image Download via DHCP: enabled Dell PowerConnect 55xx Systems User Guide...
Page 344: File Download
File Download Software and configuration files can be downloaded from an external device to the switch: • To download from a USB port or when management computer uses HTTP • To download files using TFTP Dell PowerConnect 55xx Systems User Guide...
Page 345 Link Local interface. The possible options are: • VLAN — The VLAN on which the IPv6 interface is configured. • ISATAP — The IPv6 interface is configured on an ISATAP tunnel. Dell PowerConnect 55xx Systems User Guide...
Page 346 Startup Configuration file. The current file is overwritten. • New File Name (1-64 Characters) — Check to copy commands into a file in flash memory. Enter the filename. 7 Click Activate to start the download process. Dell PowerConnect 55xx Systems User Guide...
Page 347 • Link Local — A Link Local address that is non-routable and used for communication on the same network only. • Global — A globally unique IPv6 address; visible and reachable from different subnets. Dell PowerConnect 55xx Systems User Guide...
Page 348 6 If the Configuration Download option was selected, enter the following: Server IP Address — The TFTP server IP address from which the – configuration files are downloaded. – Source File Name (1-64 characters) — The configuration file to be downloaded. Dell PowerConnect 55xx Systems User Guide...
Page 349 File Upload Software and configuration files can be uploaded to an external device. • To upload from a USB port or when management computer uses HTTP • To upload a file or image using TFTP Dell PowerConnect 55xx Systems User Guide...
Page 350 Running Configuration — Uploads the Running Configuration file. • Startup Configuration — Uploads the Startup Configuration file. 5 Click Activate to start the upload process. A message will be displayed asking where for the path of the destination file. Dell PowerConnect 55xx Systems User Guide...
Page 351 • Link Local — A Link Local address that is non-routable and used for communication on the same network only. • Global — A globally unique IPv6 address; visible and reachable from different subnets. Dell PowerConnect 55xx Systems User Guide...
Page 352 BACKUP-SITE-1, the BACKUP-SITE-1 configuration file is displayed in the list and can be selected. 7 Click Activate to start the upload process. Dell PowerConnect 55xx Systems User Guide...
Page 353 Copies any file from a source to a destination. The following is an example of the CLI commands: console# copy image tftp://10.6.6.64/uploaded.ros !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Copy: 4234656 bytes copied in 00:00:33 [hh:mm:ss] 01-Jan-2000 07:30:42 %COPY-W-TRAP: The copy operation was completed successfully Dell PowerConnect 55xx Systems User Guide...
Page 354 1 Click System > File Management > Active Images in the tree view to display the Active Images page. Figure 9-59. Active Images The following fields are displayed: – Unit ID — ID of the unit. Dell PowerConnect 55xx Systems User Guide...
Page 355 Copy the master Running Configuration file to the master sTartup Configuration file, or copy the configuration to a user-defined configuration file. • Copy the master Startup Configuration file to a backup file on the Flash file system or to a USB if available. Dell PowerConnect 55xx Systems User Guide...
Page 356 2 To copy the firmware from the Master unit to the Backup Master unit or to all other units, select Copy Master Firmware and select the options: – Source — Select either the current Master unit’s software image file or boot code file. Dell PowerConnect 55xx Systems User Guide...
Page 357 Table 9-67. Copy Files CLI Commands CLI Command Description copy source-url destination-url Copies any file from a source to a destination. Deletes the startup-config file. delete startup-config Deletes a file from the FLASH delete url memory device. Dell PowerConnect 55xx Systems User Guide...
Page 358 Overwrite file [startup-config] ?[Yes/press any key for no]..01-Oct-2006 16:11 :47 %COPY-I-FILECPY: Files Copy - source URL running-config destination URL flash://startup-config 01-Oct-2006 16:12:01 %COPY-N-TRAP: The copy operation was completed successfully Copy succeeded Dell PowerConnect 55xx Systems User Guide...
Page 359 File System page. Figure 9-61. File System 2 Select the File Location. The possible options are: – Flash — Files in flash memory are displayed. – USB — Files on the USB device are displayed. Dell PowerConnect 55xx Systems User Guide...
Page 360 -------------- ---------- ---------- --------- ----------------------- 1.cfg 524160 14065 05-Oct-2006 21:20:36 2.cfg 524160 14065 7-Oct-2006 09:11:07 aaafile.prv 65520 03-Oct-2006 15:45:41 dhcpdb.sys 65520 01-Oct-2006 19:22:49 Total size of flash: 16121856 bytes Free size of flash: 524768 bytes Dell PowerConnect 55xx Systems User Guide...
Page 361: Stack Management
Use the Stack Unit ID pages to: • Switch stack control from the Master unit to the Backup Master unit • Change unit IDs, or enable them to be automatically numbered by the system Dell PowerConnect 55xx Systems User Guide...
Page 362 2 the Master unit. – Unit ID After Reset — Select Auto if you want the system to assign the unit ID after reset. Select a number to assign the unit an ID manually. Dell PowerConnect 55xx Systems User Guide...
Page 363 Master unit. Changes the unit ID of a specific unit. switch current-unit-number renumber new-unit-number The following is an example of the CLI commands: console(config)# stack master unit 2 console(config)# switch 3 renumber 6 Dell PowerConnect 55xx Systems User Guide...
Page 364 – Software Version — The current software version running on the device. Boot Version — The current Boot version running on the device. – Hardware Version — The current device hardware version. – Dell PowerConnect 55xx Systems User Guide...
Page 365 1 If changes were made to the Running Configuration file, save them to the Startup Configuration file before resetting the device. This prevents the current device configuration from being lost. For more information about saving Configuration files, see "Copy Files" on page 355. Dell PowerConnect 55xx Systems User Guide...
Page 366 The following table summarizes the CLI commands for performing a reset of the device via the CLI: Table 9-71. Reset CLI Command CLI Command Description Reloads the operating system of a single unit or of reload [slot unit] all the units. Dell PowerConnect 55xx Systems User Guide...
Page 367 To light up the Location LED: 1 Click System > Stack Management > Unit Identification in the tree view to display the Unit Identification page. Figure 9-65. Unit Identification Dell PowerConnect 55xx Systems User Guide...
Page 368 [duration seconds] Use the no form of this command to system light stop turn off the light. The following is an example of the CLI command: console# system light unit 1 Dell PowerConnect 55xx Systems User Guide...
Page 369: Sflow
The following counters sampling is performed according to sFlow V5 (if supported by the interface): – Generic interface counters (RFC 2233) – Ethernet interface counters (RFC 2358) Dell PowerConnect 55xx Systems User Guide...
Page 370 2 Enable flow and/or counter sampling, direct the samples to a receiving interface, and configure the average sampling rate. Use the sFlow Interface Settings pages for this. 3 View and clear the sFlow statistics counters. Use the sFlow Statistics page for this. Dell PowerConnect 55xx Systems User Guide...
Page 371 2 To add a receiver (sflow analyzer), click Add and select one of the pre-defined sampling definition indices in Index. 3 Enter the receiver’s address fields: – Supported IP Format — Select whether IPv4 or IPv6 format is supported. Dell PowerConnect 55xx Systems User Guide...
Page 372 Use the no form of this command to [port port] [max-datagram-size remove the definition of the receiver. bytes] no sflow receiver index Displays the sFlow configuration for show sflow configuration ports that are enabled for Flow [port_id] sampling or Counters sampling. Dell PowerConnect 55xx Systems User Guide...
Page 373 1400 0.0.0.0 6343 1400 0.0.0.0 6343 1400 Interfaces Interface Flow Counters Max Header Collector Index Sampling Sampling Interval Size Sampling Counters --------- --------- ----------------- ------------ ----------- --------- gi1/0/1 1/2048 60 sec gi1/0/2 1/4096 Disabled Dell PowerConnect 55xx Systems User Guide...
Page 374 2 To associate an sFlow receiver with a port, click Add, and enter the fields: – Interface — Select the unit/port from which information is collected. – Flow Sampling — Enable/disable flow sampling. Flow sampling cannot be disabled if Counters Sampling is disabled. Dell PowerConnect 55xx Systems User Guide...
Page 375 Use the no form of this command to disable sFlow Counters sampling. The following is an example of the CLI commands: console(config)# interface gi2/0/3 console(config-if)#sflow flow-sampling 1024 1 Dell PowerConnect 55xx Systems User Guide...
Page 376 Interface — Port for which sample was collected. – Packets Sampled — Number of packets sampled. – Datagrams Sent to Receiver — Number of sFlow sampling packets – sent. 2 Click Clear Statistics to clear the counters. Dell PowerConnect 55xx Systems User Guide...
Page 377 The following is an example of the CLI commands: console # show sflow statistics Total sFlow datagrams sent to collectors: 100 Interface Packets Sampled Datagrams Sent to Collector --------- ------- ------------------------------------ gi1/0/1 gi1/0/2 gi2/0/1 gi2/0/2 Dell PowerConnect 55xx Systems User Guide...
Page 378: Ports
This section describes how to configure port functionality. It contains the following topics: • Overview • Jumbo Frames • Green Ethernet Configuration • Protected Ports • Port Profile • Port Configuration • LAG Configuration • Storm Control • Port Mirroring Dell PowerConnect 55xx Systems User Guide...
Page 379: Overview
Auto-negotiation is enabled. When the MDI/MDIX (Media Dependent Interface with Crossover) is enabled, the automatic correction of errors in cable selection is possible, thus making the distinction between a straight-through cable and a crossover cable Dell PowerConnect 55xx Systems User Guide...
Page 380 Port Default Settings Table 12-1 describes the port default settings. Table 10-1. Port Default Settings Function Default Setting Port speed and mode 10/100/1000 BaseT copper: auto-negotiation SFP+1000/10G Mbps full duplex, auto discovery Port forwarding state Enabled Dell PowerConnect 55xx Systems User Guide...
Page 381 Table 10-1. Port Default Settings (Continued) Function Default Setting Port tagging No tagging Flow Control Back Pressure Dell PowerConnect 55xx Systems User Guide...
Page 382: Jumbo Frames
The current jumbo frames setting is displayed 2 Enable/disable jumbo frames in the New Setting (after reset) field. NOTE: You must save the configuration and reboot the device in order to make jumbo frames operational. Dell PowerConnect 55xx Systems User Guide...
Page 383 Enables jumbo frames on the device. port jumbo-frame Use the no form of this command to disable no port jumbo-frame jumbo frames. The following is an example of the CLI commands: console(config)# port jumbo-frame Dell PowerConnect 55xx Systems User Guide...
Page 384: Green Ethernet Configuration
The total amount of saved energy can be viewed as a percentage of the power that would have been consumed by the physical interfaces had they not been running in Green Ethernet mode. Dell PowerConnect 55xx Systems User Guide...
Page 385 Click Reset to reset its value. 3 Enter the fields: • Energy Efficient Ethernet — Globally enable/disable the Energy Efficient Ethernet feature. Link Short-Reach Energy Saving Mode — Globally enable/disable • Short Reach mode. Dell PowerConnect 55xx Systems User Guide...
Page 386 Low Power Idle (LPI mode). – Remote Tx Timer (μsec) — Indicates the local link partner’s reflection of the remote link partner’s Tx value. Dell PowerConnect 55xx Systems User Guide...
Page 387 Enables EEE support by LLDP on an eee lldp enable Ethernet port. no eee lldp enable Use the no format of the command to disable the support. Displays EEE information. show eee Dell PowerConnect 55xx Systems User Guide...
Page 388: Protected Ports
Mirrored traffic is not subject to protected ports rules. • Routing is not affected by the protected port forwarding rule, so that if a packet enters a protected port, it can be routed by the device to another protected port. Dell PowerConnect 55xx Systems User Guide...
Page 389 4 Enter values for the following fields: State — Select Protected/Unprotected to enable/disable port • protection. • Community — Select the community to which to add the port, or define the port as Isolated. Dell PowerConnect 55xx Systems User Guide...
Page 390 Displays protected ports configuration. show interfaces protected- ports[gigabitethernet|tengiga bitethernet] port-number The following is an example of the CLI commands: console(config)# interface gi1/0/3 console(config-if)# switchport protected-port console(config-if)# switchport community 1 Dell PowerConnect 55xx Systems User Guide...
Page 391: Port Profile
The global profile enables QoS Advanced mode, sets Advanced mode parameters, CoS to queue mapping, and DSCP to queue mapping and defines certain standard ACLs. Use the CLI command show parser macro name profile-global to display the Global profile contents. Dell PowerConnect 55xx Systems User Guide...
Page 392 VLAN Port Mode — Displays the port mode applied to ports in the profile. – VLAN ID-Untagged (1-4094) — Enter the VLAN for untagged traffic. – VLAN ID-Tagged (1-4095) — Enter the VLAN for tagged traffic. Dell PowerConnect 55xx Systems User Guide...
Page 393 After a link is established and optional facilities are negotiated as needed by the LCP, the originating PPP sends Network Control Protocols (NCP) packets to select and configure one or more network layer protocols. Dell PowerConnect 55xx Systems User Guide...
Page 394 The following table summarizes the CLI commands for configuring port profiles. Table 10-5. Port Profiles CLI Commands CLI Command Description Applies a macro to an interface or macro {apply|trace} macro-name traces a macro configuration on an [parameter {value}] [parameter interface. {value}] [parameter {value}] Dell PowerConnect 55xx Systems User Guide...
Page 395 The following is a script that creates a global macro. Table 10-6. Create a Global Macro Script CLI Command Description Create a macro called console#config interswitch. console(config)# macro name interswitch Enter macro commands one per line. End with the character '@'. Dell PowerConnect 55xx Systems User Guide...
Page 396 Display the macro. console(config)# do show parser macro name access_port Apply the macro to console(config)# macro global apply ports 1-24 on unit 1. access_port Dell PowerConnect 55xx Systems User Guide...
Page 397: Port Configuration
Description (1 - 64 Characters) — Enter a user identification attached to the port. – Port Type — Displays the type of port. – Admin Status — Enable/disable traffic forwarding through the port. • Up — Traffic is enabled through the port. Dell PowerConnect 55xx Systems User Guide...
Page 398 Flow Control abilities to other devices. • Energy Efficient Ethernet — Globally enable/disable Energy Efficient Ethernet and the EEE LLDP advertisement feature. – Current Auto Negotiation — Displays the current auto-negotiation setting. Dell PowerConnect 55xx Systems User Guide...
Page 399 Enable/Disable — Enable/disable flow control on the port (Enabled is the default). • Auto Negotiation — Enables auto-negotiation of flow control on the port. – Current Flow Control — Displays the current Flow Control setting. Dell PowerConnect 55xx Systems User Guide...
Page 400 Use the no form of this command to remove the description. Disables an interfaces. shutdown Use the no form of this command to no shutdown restart a disabled interface. Dell PowerConnect 55xx Systems User Guide...
Page 401 {on|auto} given interface or Port-channel. no mdix Use the no form of this command to disable cable crossover. Displays the configuration for all show interfaces configuration configured interfaces. [gigabitethernet|tengigabitethe rnet] port-number port-channel LAG-number Dell PowerConnect 55xx Systems User Guide...
Page 402 1000 Enabled Disabled Auto console# show interfaces status gi2/0/1 Flow Link Back Mdix Port Type Duplex Speed Neg ctrl State Pressure Mode -------- ------------ ------ ----- -------- ---- ----------- -------- ---- gi2/0/1 1G-Copper Down Dell PowerConnect 55xx Systems User Guide...
Page 403: Lag Configuration
Figure 10-6. LAG Configuration: Summary The LAG parameters are displayed. 2 To configure a LAG, click Edit. 3 Select the LAG and enter the fields: – LAG Mode — Select the LAG mode. The possible options are: Dell PowerConnect 55xx Systems User Guide...
Page 404 10 Full — The LAG advertises for a 10 mbps speed LAG and full duplex mode setting. • 100 Full — The LAG advertises for a 100 mbps speed LAG and full duplex mode setting. Dell PowerConnect 55xx Systems User Guide...
Page 405 Use the no form of this command restore the default configuration. no channel-group Adds a description to a LAG. description string Use the no form of this command to no description remove the description. Dell PowerConnect 55xx Systems User Guide...
Page 406 Displays the status for all configured show interfaces status port- LAGs. channel LAG-number Displays the description for all show interfaces description configured LAGs. port-channel LAG-number Displays LAG information. show interfaces port-channel LAG-number Dell PowerConnect 55xx Systems User Guide...
Page 407 1 console(config-if)# no negotiation console(config-if)# speed 100 console(config-if)# flowcontrol on console(config-if)# exit console(config)# interface port-channel 2 console(config-if)# shutdown console(config-if)# exit console(config-if)# end console# show interfaces port-channel Channel Ports --------- --------- Inactive: gi/1/0/(11-13) Active: gi/1/0/14 Dell PowerConnect 55xx Systems User Guide...
Page 408: Storm Control
It then resumes normal forwarding. To configure Storm Control: 1 Click Switching > Ports > Storm Control in the tree view to display the Storm Control: Summary page. Figure 10-7. Storm Control Dell PowerConnect 55xx Systems User Guide...
Page 409 Broadcast storm control. enable Configures the maximum Broadcast storm-control broadcast level rate. kbps Use the no form of this command to no storm-control broadcast return the Broadcast level to the default level value. Dell PowerConnect 55xx Systems User Guide...
Page 410 The following is an example of the CLI commands: console(config)# interface gi1/0/1 console(config-if)# storm-control broadcast enable console(config-if)# storm-control include-multicast unknown-unicast console# show ports storm-control gi1/0/1 Port State Rate [Kbits/Sec] Included -------- -------- ---------------- --------------------- gi1/0/1 Disabled 8500 Broadcast Dell PowerConnect 55xx Systems User Guide...
Page 411: Port Mirroring
IP interfaces cannot be configured on the destination port. • GVRP cannot be enabled on the destination port. • The destination port cannot be a member of a VLAN. • Only one destination port can be defined. Dell PowerConnect 55xx Systems User Guide...
Page 412 When a port is set to be a target port for a port-mirroring session, all normal operations on it are suspended. This includes Spanning Tree and LACP. All currently active protocols and services on that port are suspended. Dell PowerConnect 55xx Systems User Guide...
Page 413 2 To add a port to be mirrored, click Add, and enter the fields: Source Port — The port number from which port traffic is copied. – – Type — Type of traffic (Tx or Rx or both) to be copied. Dell PowerConnect 55xx Systems User Guide...
Page 414 The following is an example of the CLI commands: console(config)# interface gi1/0/1 console(config-if)# port monitor gi1/0/8 console# show ports monitor Source port Destination Port Type Status ----------- ---------------- ---- ----------- gi1/0/1 gi1/0/8 RX,TX Active Dell PowerConnect 55xx Systems User Guide...
Page 415 Dell PowerConnect 55xx Systems User Guide...
Page 416: Address Tables
Address Tables This section describes how MAC addresses are handled on the device. It contains the following topics: • Overview • Static Addresses • Dynamic Addresses Dell PowerConnect 55xx Systems User Guide...
Page 417: Overview
VLAN. In order to prevent the bridging table from overflowing, dynamic MAC addresses, from which no traffic is seen for a certain period, are erased. Static addresses are manually entered into the table. Dell PowerConnect 55xx Systems User Guide...
Page 418: Static Addresses
VLAN ID — Check and select the VLAN ID for the port. • VLAN Name — Check and enter the VLAN name. • Status — Select how the entry in the table will be treated. The possible options are: Dell PowerConnect 55xx Systems User Guide...
Page 419 MAC reset|delete-on-timeout|secure] address. no mac address-table static [mac- address] vlan vlan-id Displays entries in the MAC show mac address-table address table. [dynamic|static|secure] [vlan vlan] [[[gigabitethernet|tengigabitether net] port-number|port-channel LAG- number]] [address mac-address] Dell PowerConnect 55xx Systems User Guide...
Page 420 The following is an example of the CLI commands: console(config-if)#bridge address 00:60:70:4C:73:FF permanent gi1/0/8 console# show mac address-table static Aging time is 300 sec VLAN MAC Address Port Type ---- ------------------ -------- -------- 00:60:70:4C:73:FF gi1/0/ static 00:60:70:8C:73:FF gi1/0/ static 00:10:0D:48:37:FF gi1/0/ static Dell PowerConnect 55xx Systems User Guide...
Page 421: Dynamic Addresses
2 Enter Address Aging (10-630). The aging time is a value between the user- configured value and twice that value minus 1. For example, if you entered 300 seconds, the aging time is between 300 and 599 seconds. Dell PowerConnect 55xx Systems User Guide...
Page 422 [permanent|delete-on- reset|delete-on-timeout|secure]] clear mac address-table secure interface [gigabitethernet|tengigabitetherne t] port-number|port-channel LAG- number Displays entries in the MAC show mac address-table address table. [dynamic|static|secure] [vlan vlan] [interface [gigabitethernet|tengigabitetherne t] port-number|port-channel LAG- number] [address mac-address] Dell PowerConnect 55xx Systems User Guide...
Page 423 The following is an example of the CLI commands: console(config)# mac address-table aging-time 600 console# show mac address-table dynamic Aging time is 300 sec VLAN MAC Address Port Type ---- ------------------ -------- -------- 00:60:70:4C:73:FF gi1/0/8 dynamic 00:60:70:8C:73:FF gi1/0/8 dynamic Dell PowerConnect 55xx Systems User Guide...
Page 424: Garp
GARP This section describes how to configure Generic Attribute Registration Protocol (GARP) on the device. It contains the following topics: • GARP Overview • GARP Timers Dell PowerConnect 55xx Systems User Guide...
Page 425: Garp Overview
The leave-all time must be greater than the leave time. • Set the same GARP timer values on all Layer 2-connected devices. If the GARP timers are set differently on the Layer 2-connected devices, GARP application does not operate successfully. Dell PowerConnect 55xx Systems User Guide...
Page 426: Garp Timers
– GARP Leave All Timer (10 - 2147483640) — Enter time interval, in milliseconds, which all devices wait before leaving the GARP state. The leave all time must be greater than the leave time Dell PowerConnect 55xx Systems User Guide...
Page 427 GVRP Feature is currently Disabled on the device. Maximum VLANs: 223 Port(s) GVRP Registration Dynamic VLAN Timers (milliseconds) Status Creation Join Leave Leave All --------- -------- ------- ------------ ----------- ------ ----- gi1/0/11 Disabled Normal Enabled 10000 Dell PowerConnect 55xx Systems User Guide...
Page 428: Spanning Tree
This chapter describes the Spanning Tree Protocol. It contains the following topics: • Spanning Tree Protocol Overview • Global Settings • STP Port Settings • STP LAG Settings • Rapid Spanning Tree • Multiple Spanning Tree Dell PowerConnect 55xx Systems User Guide...
Page 429: Spanning Tree Protocol Overview
Multiple Spanning Tree Protocol (MSTP) solves this problem by enabling several STP instances, so that it is possible to detect and mitigate loops separately in each instance. By associating instances to VLANs, each Dell PowerConnect 55xx Systems User Guide...
Page 430 VLANs, through different multiple spanning tree (MST) regions. MST regions act as a single bridge. For more information on configuring Multiple STP, see "Multiple Spanning Tree" on page 448. Dell PowerConnect 55xx Systems User Guide...
Page 431: Global Settings
Classic STP — Enables Classic STP on the device. • • Rapid STP — Enables Rapid STP on the device. This is the default value. • Multiple STP — Enables Multiple STP on the device. Dell PowerConnect 55xx Systems User Guide...
Page 432 Enter a value. – Max Age (6-40) — Check to use device Maximum Age Time, which is the time interval in seconds that a bridge waits before sending configuration messages. Enter a value. Dell PowerConnect 55xx Systems User Guide...
Page 433 Defines BPDU handling when the spanning-tree bpdu spanning tree is disabled globally or on a {filtering|flooding|bridging} single interface. no spanning-tree bpdu Use the no form of this command to restore the default configuration. Dell PowerConnect 55xx Systems User Guide...
Page 434 [[gigabitethernet|tengigabite thernet] port-number|port- channel LAG-number] [instance instance-id] Displays detailed spanning tree show spanning-tree [detail] information on active or blocked ports. [active|blockedports] [instance instance-id] Displays spanning tree MST configuration show spanning-tree mst- identifier. configuration Dell PowerConnect 55xx Systems User Guide...
Page 435 The following is an example of the CLI commands: console(config)# spanning-tree console(config)# spanning-tree mode rstp console(config)# spanning-tree priority 12288 console(config)# spanning-tree hello-time 5 console(config)# spanning-tree max-age 12 console(config)# spanning-tree forward-time 25 console(config)# exit Dell PowerConnect 55xx Systems User Guide...
Page 436: Stp Port Settings
Port State is automatically placed in the Forwarding state when the port is up. Fast Link mode optimizes the time it takes for the STP protocol to converge. STP convergence can take 30-60 seconds in large networks. Dell PowerConnect 55xx Systems User Guide...
Page 437 Backup ports also occur when a LAN has two or more connections connected to a shared segment. • Disabled — This port is not participating in the Spanning Tree. Dell PowerConnect 55xx Systems User Guide...
Page 438 Configures the spanning tree cost spanning-tree cost cost contribution of a port no spanning-tree cost Use the no form of this command to restore the default configuration. Dell PowerConnect 55xx Systems User Guide...
Page 439 Enables root guard on all spanning tree spanning-tree guard root instances on the interface. Displays detailed spanning tree show spanning-tree [detail] information on active or blocked ports. [active|blockedports] [instance instance-id] Dell PowerConnect 55xx Systems User Guide...
Page 440 Type: P2p (configured: Auto) Internal Port Fast: No (configured: No) Designated bridge Priority : Address: 32768 00:00:b0:07:07:49 Designated port ID: 128.11 Designated path cost: 0 Guard root: Disabled Number of transitions to forwarding state: 3 BPDU: sent 482, received 1035 Dell PowerConnect 55xx Systems User Guide...
Page 441: Stp Lag Settings
30-60 seconds in large networks. BPDU Guard — Check to enable BPDU Guard on the LAG. – Root Guard — Check to prevent devices outside the network core – from being assigned the spanning tree root. Dell PowerConnect 55xx Systems User Guide...
Page 442 Backup ports also occur when a LAN has two or more connections connected to a shared segment. • Disabled — This LAG is not participating in the Spanning Tree. Dell PowerConnect 55xx Systems User Guide...
Page 443 For information about CLI commands for defining STP LAG settings, see Table 15-2. The following is an example of the CLI commands: console(config)# interface port-channel 1 console(config-if)# spanning-tree disable console(config-if)# spanning-tree cost 35000 console(config-if)# spanning-tree port-priority 96 console(config-if)# spanning-tree portfast Dell PowerConnect 55xx Systems User Guide...
Page 444: Rapid Spanning Tree
Figure 13-4. Rapid Spanning Tree: Summary 2 To modify RSTP settings on an interface, click Edit and enter the fields: – Interface — Select a port or LAG. State — Displays the RSTP state of the selected interface. – Dell PowerConnect 55xx Systems User Guide...
Page 445 LCP, the originating PPP sends Network Control Protocols (NCP) packets to select and configure one or more network layer protocols. When each of the chosen network layer protocols has been Dell PowerConnect 55xx Systems User Guide...
Page 446 RSTP transitions to the no spanning-tree spanning-tree forwarding state. link-type Use the no form of this command to restore the default configuration. Restarts the protocol migration clear spanning-tree detected- process. protocols interface [[gigabitethernet|tengigabiteth ernet] port-number|port-channel LAG-number] Dell PowerConnect 55xx Systems User Guide...
Page 447 Table 13-3. Rapid STP Parameters CLI Command (Continued) CLI Command Description Displays spanning tree configuration. show spanning-tree [[gigabitethernet|tengigabiteth ernet] port-number|port-channel LAG-number] The following is an example of the CLI commands: console(config)# interface gi1/0/5 console(config-if)# spanning-tree link-type shared Dell PowerConnect 55xx Systems User Guide...
Page 448: Multiple Spanning Tree
Multiple Spanning Tree This section describes Multiple Spanning Tree Protocol (MSTP). It contains the following topics: • MSTP Overview • MSTP Properties • VLAN to MSTP Instance • MSTP Instance Settings • MSTP Interface Settings Dell PowerConnect 55xx Systems User Guide...
Page 449 MSTP Properties To set an MSTP region: 1 Click Switching > Spanning Tree > MSTP Settings in the tree view to display the MSTP Properties: Summary page Figure 13-5. MSTP Properties: Summary Dell PowerConnect 55xx Systems User Guide...
Page 450 Defines the MST configuration revision revision value number. no revision Use the no form of this command to restore the default configuration. Exits the MST region configuration mode exit after applying configuration changes. Dell PowerConnect 55xx Systems User Guide...
Page 451 2 add vlan 21-30 console(config-mst)# name region1 console(config-mst)# revision 1 console(config-mst)# show pending Pending MST configuration Name: Region1 Revision: 1 Instance VLANs Mapped -------- ------------ 1-9,31-4094 10-20 21-30 Dell PowerConnect 55xx Systems User Guide...
Page 452 4 Enter the fields: – Select MST Instance ID — Select an MST instance. – VLANs — Enter the VLANs being mapped to this instance. Action — Select the mapping action. The possible options are: – Dell PowerConnect 55xx Systems User Guide...
Page 453 Use the no form of this command to restore default mapping. no instance instance-id vlan vlan-range Displays the spanning-tree configuration show spanning-tree detail The following is an example of the CLI commands: console(config)# spanning-tree mst configuration console(config-mst)# instance 1 vlan 10-20 Dell PowerConnect 55xx Systems User Guide...
Page 454 4 The following fields are displayed: – Included VLANs — Displays VLANs included in this instance. Designated Root Bridge ID — Priority and MAC address of the Root – Bridge for the MST instance. Dell PowerConnect 55xx Systems User Guide...
Page 455 Displays the spanning-tree configuration show spanning-tree detail The following is an example of the CLI commands: console(config)# spanning-tree mst configuration console(config-mst)# spanning-tree mst 1 priority 4096 Dell PowerConnect 55xx Systems User Guide...
Page 456 MST region or a boundary port. A Master port provides connectivity from a MSTP region to the outlying CIST root. A Dell PowerConnect 55xx Systems User Guide...
Page 457 LAN to the root. – Forward Transitions — Displays the number of times the port changed to the forwarding state. – Remain Hops — Displays the number of hops remaining to the next destination. Dell PowerConnect 55xx Systems User Guide...
Page 458 Use the no form of this command to restore the default configuration. Displays the MST configuration. show spanning-tree mst- configuration The following is an example of the CLI commands: console(config)# interface gi1/0/9 console(config-if)# spanning-tree mst 1 cost 4 Dell PowerConnect 55xx Systems User Guide...
Page 459: Vlans
This chapter describes how VLANs are configured on the device. It contains the following topics: • Virtual LAN Overview • VLAN Membership • Port Settings • LAGs Settings • Protocol Groups • Protocol Port • GVRP Parameters • Private VLAN • Voice VLAN Dell PowerConnect 55xx Systems User Guide...
Page 460: Virtual Lan Overview
Routers in VLAN topologies provide broadcast filtering, security, address summarization, and traffic flow management. None of the switches, within a defined group, will bridge any frames, not even broadcast frames, between two VLANs. Dell PowerConnect 55xx Systems User Guide...
Page 461 PVID is set to 1. VLAN#1 cannot be deleted from the system. • VLAN #4095 — Defined (according to standard and industry practice) as the "discard" VLAN. A frame classified to this VLAN is silently dropped. Dell PowerConnect 55xx Systems User Guide...
Page 462 VLAN ID (VID) is configured as the port’s PVID. Frames, sent from the port in the VLAN, whose VID is the current PVID, are sent untagged. Frames sent in all other VLANs active on the port are sent tagged. Dell PowerConnect 55xx Systems User Guide...
Page 463 PVLAN, but not from the promiscuous ports. Isolated ports can communicate with promiscuous ports. In the factory default configuration, all ports are designated as Access ports, and are associated with the default VLAN. Dell PowerConnect 55xx Systems User Guide...
Page 464 This setting takes precedence over all other settings, so that if the acceptable frame type is tagged only, incoming untagged frames are silently discarded, even if the port has a valid PVID. Dell PowerConnect 55xx Systems User Guide...
Page 465: Vlan Membership
VLAN Membership: Summary page. Figure 14-2. VLAN Membership: Summary The ports in the selected unit/VLAN are displayed along with their statuses. Each port/LAG is labeled with one of the following codes, regarding its membership in the VLAN: Dell PowerConnect 55xx Systems User Guide...
Page 466 The following table summarizes the CLI commands for defining VLAN membership as displayed in the VLAN Membership pages. Table 14-1. VLAN Membership CLI Commands CLI Command Description Enters the VLAN configuration mode. vlan database Dell PowerConnect 55xx Systems User Guide...
Page 467 VLAN. The following is an example of the CLI commands: console(config)# vlan database console(config-vlan)# vlan 1972 console(config-vlan)# end console(config)# interface vlan 1972 console(config-if)# name Marketing console(config-vlan)# dot1x auth-not-req console(config-if)# end Dell PowerConnect 55xx Systems User Guide...
Page 468: Port Settings
Interface — Enter the unit/port number to be modified. – Switchport Mode — Select whether the port is in Layer 2 or Layer 3. If the port is in Layer 2, enter the parameters described below, otherwise the fields are not relevant. Dell PowerConnect 55xx Systems User Guide...
Page 469 U — Untagged. The port is a member of a VLAN. Packets forwarded by the LAG are untagged. • F — Forbidden. The port is denied membership to a VLAN. Click Add to move the port to the VLAN list together with its type. Dell PowerConnect 55xx Systems User Guide...
Page 470 {tagged-only|untagged- only|all} Use the no form of this command to return to default. no switchport general acceptable- frame-type Configures the VLAN switchport mode membership mode of a port. {access|trunk|general} Dell PowerConnect 55xx Systems User Guide...
Page 471 Sets the port's VLAN when the switchport customer vlan vlan-id interface is in customer mode. no switchport customer vlan Use the no form of this command to restore the default configuration. Dell PowerConnect 55xx Systems User Guide...
Page 472 Table 14-2. Port-to-VLAN Group Assignments CLI Commands (Continued) CLI Command Description Configure the VLAN membership switchport mode mode of a port. {access|trunk|general|private-vlan {promiscuous|host}|customer} Use the no form of this command to restore the default no switchport mode configuration. Dell PowerConnect 55xx Systems User Guide...
Page 473 23-25 console(config-if)# end console(config)# interface gi1/0/11 console(config-if)# switchport mode general console(config-if)# switchport general allowed vlan add 23,25 tagged console(config-if)# switchport general pvid 25 Dell PowerConnect 55xx Systems User Guide...
Page 474: Lags Settings
– – Switchport Mode — Select whether the LAG is in Layer 2 or Layer 3. If the LAG is in Layer 2, enter the parameters described below, otherwise the fields are not relevant. Dell PowerConnect 55xx Systems User Guide...
Page 475 U — Untagged. The LAG is a member of a VLAN. Packets forwarded by the LAG are untagged. F — Forbidden. The LAG is denied membership to a VLAN. • Click Add to move the LAG to the VLAN list together with its type. Dell PowerConnect 55xx Systems User Guide...
Page 476 Customer VLAN ID (1-4094) — Enter VLAN used for customer ports, or select None. Assigning LAGs to VLAN Groups Using CLI Commands Refer to Table 16-2 for a list of the LAG to VLAN CLI commands. Dell PowerConnect 55xx Systems User Guide...
Page 477: Protocol Groups
The following frames (packet) types are supported: Ethernet, RFC 1042, and LLC Other. There may be dependencies between protocols and encapsulations, and specifying one protocol may automatically add additional protocols to the protocol-group, such as specifying IP implies ARP and vice-versa. Dell PowerConnect 55xx Systems User Guide...
Page 478 1 Define a protocol group by assigning one or more protocols to the group and giving it a protocol-group ID (any integer), using the Protocol Group pages. 2 Associate the group with a desired VLAN classification, per port, using the Protocol Port pages. Dell PowerConnect 55xx Systems User Guide...
Page 479 – Protocol Value — Select a protocol name. – Ethernet-Based Protocol Value (0600 - FFFF) — Enter the Ethernet protocol group type. – Protocol Group ID — Assign a protocol group ID number. Dell PowerConnect 55xx Systems User Guide...
Page 480 Use the no form of this command to no map protocol protocol delete a protocol from a group. [encapsulation] The following is a sample of the CLI commands: console (config)# vlan database console (config-vlan)# map protocol ip protocols-group 213 Dell PowerConnect 55xx Systems User Guide...
Page 481: Protocol Port
2 To assign an interface to a protocol group, click Add, and enter the fields: – Interface — Port or LAG number to be added to a protocol group. – Group ID — Select a protocol group ID to which the interface is added. Dell PowerConnect 55xx Systems User Guide...
Page 482 Use the no form of this command to vlan-id delete a classification. no switchport general map protocols-group group The following is a sample of the CLI commands: console (config-if)# switchport general map protocols- group vlan Dell PowerConnect 55xx Systems User Guide...
Page 483: Gvrp Parameters
1 Click Switching > VLAN > GVRP Parameters in the tree view to display the GVRP Parameters: Summary page. Figure 14-7. GVRP Global Parameters 2 Enable/disable GVRP on the device in the GVRP Global Status field. Dell PowerConnect 55xx Systems User Guide...
Page 484 De-registers all dynamic VLANs, and gvrp registration-forbid prevents dynamic VLAN registration on no gvrp registration-forbid the port. Use the no form of this command to allow dynamic registration of VLANs on a port. Dell PowerConnect 55xx Systems User Guide...
Page 485 [gigabitethernet|tengigabitet hernet] port-number port- channel LAG-number Displays GVRP statistics. show gvrp statistics [gigabitethernet|tengigabitet hernet] port-number port- channel LAG-number Clears all the GVRP statistics clear gvrp statistics information. [gigabitethernet|tengigabitet hernet] port-number port- channel LAG-number Dell PowerConnect 55xx Systems User Guide...
Page 486 Disabled Normal Enabled 10000 gi1/0/4 Disabled Normal Enabled 10000 gi1/0/5 Disabled Normal Enabled 10000 gi1/0/6 Disabled Normal Enabled 10000 gi1/0/7 Disabled Normal Enabled 10000 gi1/0/8 Disabled Normal Enabled 10000 gi1/0/9 Disabled Normal Enabled 10000 Dell PowerConnect 55xx Systems User Guide...
Page 487: Private Vlan
The PVLAN entity is implemented by allocating the following VLANs per PVLAN: • Primary VLAN: Carries traffic from promiscuous ports. • Isolated VLAN: Carries traffic from isolated ports. Dell PowerConnect 55xx Systems User Guide...
Page 488 – • Primary — Traffic from promiscuous ports flow through this type of VLAN. This is for the internet or shared servers. • Isolated —Traffic from isolated ports flow through this type of VLAN. Dell PowerConnect 55xx Systems User Guide...
Page 489 VLAN to normal VLAN no private-vlan configuration. Configures the association between the private-vlan association primary VLAN and the secondary [add|remove] secondary-vlan- VLANs. list Use the no form of this command to no private-vlan association remove the association. Dell PowerConnect 55xx Systems User Guide...
Page 490 The following is an example of the CLI commands: console# show vlan private-vlan Primary Secondary Type Ports -------- --------- ---------- --------------------- Primary gi1/0/1-2 Isolated gi1/0/1-8 Isolated gi1/0/1-2 gi1/09-18 Isolated gi1/0/1-2 gi1/0/19-21 Primary gi1/0/22 Isolated gi1/0/22-28 Isolated gi1/0/22, gi1/0/29-38 Isolated gi1/0/22, gi1/0/39-41 Dell PowerConnect 55xx Systems User Guide...
Page 491: Voice Vlan
Voice VLAN feature to add this port to the Voice VLAN (a VLAN that usually carries only voice traffic), and to assign traffic from this port a specific QoS profile, ensuring high voice quality. The device supports a single voice VLAN. Dell PowerConnect 55xx Systems User Guide...
Page 492 VLAN. The possible values are 0 to 7, where 7 is the highest priority. 0 is used as a best-effort, and is invoked automatically when no other value has been set. – Remark CoS — Displays whether the Remark CoS is enabled. Dell PowerConnect 55xx Systems User Guide...
Page 493 Use the no form of this command to no voice aging-timeout return to default. Use the show voice vlan EXEC command show voice vlan to display the voice VLAN status. [[gigabitethernet|tengigabite thernet] port-number|port- channel LAG-number] Dell PowerConnect 55xx Systems User Guide...
Page 494 Cisco 00:E0:75 Veritel 00:D0:1E Pingtel 00:01:E3 Siemens 00:60:B9 NEC/Philips 00:0F:E2 Huawei-3COM 00:09:6E Avaya Voice VLAN VLAN ID: 8 CoS: 6 Remark: Yes Interface Enabled Secure Activated --------- -------- ------ --------- gi1/0/1 gi1/0/2 gi1/0/3 gi1/0/4 Dell PowerConnect 55xx Systems User Guide...
Page 495 2 To modify the voice VLAN settings for an interface, click Edit, and enter the fields: – Interface — Enter the specific port or LAG to which the Voice VLAN settings are applied. Voice VLAN Mode — Select the Voice VLAN mode. The possible – options are: Dell PowerConnect 55xx Systems User Guide...
Page 496 Use the no form of this command to disable automatic voice VLAN configuration on a port. Configures secure mode for the voice VLAN. voice vlan secure Use the no form of this command to disable no voice vlan secure secure mode. Dell PowerConnect 55xx Systems User Guide...
Page 497 When frames are received, in which the source MAC address’s first three octets match one of the OUIs in the OUI list, the port on which they are received is automatically assigned to the Voice VLAN. Dell PowerConnect 55xx Systems User Guide...
Page 498 The previously-defined OUIs are displayed. 2 To add a new OUI, click Add, and enter the fields: – Telephony OUI — Enter a new OUI. – Description — Enter an OUI description up to 32 characters. Dell PowerConnect 55xx Systems User Guide...
Page 499 Use the no form of this command to restore mac-address-prefix} the default configuration. [text] no voice vlan oui-table The following is an example of the CLI commands: console(config)# voice vlan oui-table add 00:E0:BB console(config)# Dell PowerConnect 55xx Systems User Guide...
Page 500: Link Aggregation
Link Aggregation This section describes link aggregation of ports. It contains the following topics: • Link Aggregation Overview • LACP Parameters • LAG Membership Dell PowerConnect 55xx Systems User Guide...
Page 501: Link Aggregation Overview
• The device supports up to 32 LAGs, and eight ports in each LAG. • Ports can be configured as LACP ports only if the ports are not part of a previously configured LAG. Dell PowerConnect 55xx Systems User Guide...
Page 502 Ports in a LAG can contain different media types if the ports are operating at the same speed. Aggregated links can be manually or automatically configured by enabling LACP on the relevant links. Dell PowerConnect 55xx Systems User Guide...
Page 503: Lacp Parameters
The page displays the LACP settings of the ports on the selected unit. 3 To modify LACP parameters for a particular port, click Edit, and enter the following fields: – Port — Select the port for which timeout and priority values are assigned. Dell PowerConnect 55xx Systems User Guide...
Page 504 Configures the priority value for lacp port-priority value physical ports. Assigns an administrative LACP long short lacp timeout timeout. Displays LACP information for show lacp ethernet ports. [gigabitethernet|tengigabitether net] port-number [parameters|statistics|protocol- state] Dell PowerConnect 55xx Systems User Guide...
Page 505: Example Of The Cli Commands
(config)# lacp system-priority 120 console (config)# interface gi1/0/11 console (config-if)# lacp port-priority 247 console (config-if)# lacp timeout long console (config-if)# end console# show lacp gi1/0/11 statistics Port gi1/0/11 LACP Statistics: LACP PDUs sent:2 LACP PDUs received:2 Dell PowerConnect 55xx Systems User Guide...
Page 506: Lag Membership
LAG’s defined settings. To assign ports to LAGs: 1 Click Switching Link Aggregation LAG Membership in the tree view to display the LAG Membership: Summary page. Figure 15-2. LAG Membership: Summary Dell PowerConnect 55xx Systems User Guide...
Page 507 Displays port-channel information for all port show interfaces port- channels or for a specific port channel. channel LAG-number The following is an example of the CLI commands: console(config)# interface gi1/0/11 console(config-if)# channel-group 1 mode on Dell PowerConnect 55xx Systems User Guide...
Page 508: Multicast
It contains the following topics: • Multicast Support Overview • Global Parameters • Bridge Multicast Groups • Bridge Multicast Forward All • IGMP Snooping • Unregistered Multicast • Multicast TV VLAN • Multicast TV VLAN Mapping Dell PowerConnect 55xx Systems User Guide...
Page 509: Multicast Support Overview
Multicast traffic forwarding is effective, it is not optimal, as irrelevant ports also receive the Multicast packets. The excess packets cause increased network traffic. Multicast forwarding filters enable forwarding of Layer 2 packets to a subset of ports instead of to all ports. Dell PowerConnect 55xx Systems User Guide...
Page 510 What routing protocols are forwarding packets and Multicast traffic. Ports requesting to join a specific Multicast group issue an IGMP report, specifying that the Multicast group is accepting members. This results in the creation of an entry in the Multicast filtering database. Dell PowerConnect 55xx Systems User Guide...
Page 511: Global Parameters
Figure 16-1. Global Parameters 2 Enter the fields: – Bridge Multicast Filtering — Enable/disable Multicast filtering. Disabled is the default value. – IGMP Snooping Status — Enable/disable IGMP Snooping on the device. Disabled is the default value. Dell PowerConnect 55xx Systems User Guide...
Page 512 Protocol (IGMP) snooping. no ip igmp snooping Use the no form of this command to disable IGMP snooping. The following is an example of the CLI commands: console(config)# bridge multicast filtering console(config)# ip igmp snooping Dell PowerConnect 55xx Systems User Guide...
Page 513: Bridge Multicast Groups
1 Click Switching > Multicast Support > Bridge Multicast Group in the tree view to display the Bridge Multicast Group: Summary page. Figure 16-2. Bridge Multicast Group: Summary The ports and LAGs in the selected Multicast Group are displayed. Dell PowerConnect 55xx Systems User Guide...
Page 514 The port/LAG has joined the Multicast group statically in the current row. Forbidden. The port cannot belong to the Multicast group. Blank The port is not attached to a Multicast group, but it is also not forbidden. Dell PowerConnect 55xx Systems User Guide...
Page 515 The following is an example of the CLI commands: console(config-if)# bridge multicast address 0100.5e02.0203 add gi1/0/11,gi1/0/12 console(config-if)# end console # show bridge multicast address-table VLAN MAC Address Type Ports ---- ----------- ----- ---------- 0100.5e02.0203 static gi1/0/11, gigi1/0/12 Forbidden ports for multicast addresses: Dell PowerConnect 55xx Systems User Guide...
Page 516 # show bridge multicast address-table format ip VLAN IP Address Type Ports ---- ----------- ----- ---------- 224-239.130|2.2.3 static gi1/0/11, gi1/0/12 Forbidden ports for multicast addresses: VLAN IP Address Ports ---- ----------- ---------- 224-239.130|2.2.3 gi1/0/8 Dell PowerConnect 55xx Systems User Guide...
Page 517: Bridge Multicast Forward All
Multicast service. Toggle a port to S to join the port to the selected Multicast group as a static port. Toggle a port to F to add it as a Forbidden port. Two rows of ports and LAGs are displayed: Dell PowerConnect 55xx Systems User Guide...
Page 518 1 console(config-if)# bridge multicast forward-all add gi1/0/3 console(config-if)# end console# show bridge multicast filtering 1 Filtering: Enabled VLAN: Forward-All Port Static Status ------- ----------------- ----------- gi1/0/11 Forbidden Filter gi1/0/12 Forward Forward(s) gi1/0/13 Forward(d) Dell PowerConnect 55xx Systems User Guide...
Page 519: Igmp Snooping
IGMP Snooping is enabled per VLAN, the switch forwards Multicast frames to ports that have registered as Multicast clients in the VLAN. NOTE: The switch supports IGMP Snooping only on static VLANs. It does not support IGMP Snooping on dynamic VLANs. Dell PowerConnect 55xx Systems User Guide...
Page 520 Figure 16-4. IGMP Snooping The IGMP snooping information for the VLANs on the switch is displayed. 2 To enable IGMP Snooping on a VLAN, click Edit and select the VLAN from the VLAN ID drop down menu. Dell PowerConnect 55xx Systems User Guide...
Page 521 • Operational Last Member Query Interval — Displays the Last Member Query Interval sent by the elected querier. • Intermediate Leave — Enable/disable an immediate timeout period. The default timeout is 10 seconds. Dell PowerConnect 55xx Systems User Guide...
Page 522 Use the no format of the command to return to default. Configures the Query interval. ip igmp query-interval seconds Use the no format of the command to no ip igmp query-interval return to default. Dell PowerConnect 55xx Systems User Guide...
Page 523 IGMP snooping. [vlan vlan-id] [address ip- multicast-address] Displays IGMP snooping configuration. show ip igmp snooping interface vlan-id Displays information about show ip igmp snooping mrouter dynamically learned Multicast router interface vlan-id interfaces. Dell PowerConnect 55xx Systems User Guide...
Page 524 IGMP snooping last member query counter: admin 2 oper 2 IGMP snooping last member query interval: admin 1000 msec oper 1000 msec IGMP snooping last immediate leave: disable Automatic learning of Multicast router ports is enabled Dell PowerConnect 55xx Systems User Guide...
Page 525: Unregistered Multicast
To set the action for unregistered Multicast groups on a port: 1 Click Switching > Multicast Support > Unregistered Multicast in the tree view to display the Unregistered Multicast: Summary page. Figure 16-5. Unregistered Multicast: Summary Dell PowerConnect 55xx Systems User Guide...
Page 526 Displays the unregistered multicast filtering configuration. The following is an example of the CLI commands: console # show bridge multicast unregistered Port Unregistered ------- -------- gi1/0/1 Forward gi1/0/2 Filter gi1/0/3 Filter Dell PowerConnect 55xx Systems User Guide...
Page 527: Multicast Tv Vlan
If a Multicast-TV VLAN is defined on an access port, then: • The access port joins the Multicast-TV VLAN. • The Multicast-TV VLAN on the receiver port is always untagged. • The acceptable frame type of the port is set to Admit Untagged Only. Dell PowerConnect 55xx Systems User Guide...
Page 528 The following table summarizes the CLI command for displaying Multicast TV VLAN membership: Table 16-7. Multicast TV VLAN Membership CLI Commands CLI Command Description Displays information on the source ports and show vlan multicast-tv receiver ports of multicast-TV VLAN. vlan vlan-id Dell PowerConnect 55xx Systems User Guide...
Page 529 The Multicast Group IP addresses for the selected TV VLAN are displayed. 2 To add the Multicast Group IP address for a VLAN, click Add, and enter the fields: VLAN ID — Enter a VLAN ID. • Dell PowerConnect 55xx Systems User Guide...
Page 530 [vlan vlan-id] The following is an example of the CLI commands: console# show ip igmp snooping multicast-tv VLAN IP Address ---- ----------- 1000 239.255.0.0 1000 239.255.0.1 1000 239.255.0.2 1000 239.255.0.3 1000 239.255.0.4 1000 239.255.0.5 Dell PowerConnect 55xx Systems User Guide...
Page 531: Lldp
The section describes the Link Layer Discovery Protocol (LLDP). It contains the following topics: • LLDP Overview • LLDP Properties • LLDP Port Settings • MED Network Policy • LLDP MED Port Settings • Neighbors Information Dell PowerConnect 55xx Systems User Guide...
Page 532: Lldp Overview
– Voice VLANs • Emergency Call Service (E-911) via IP phone location information. • Troubleshooting information. LLDP MED sends network managers alerts for: – Port speed and duplex mode conflicts – QoS policy misconfigurations Dell PowerConnect 55xx Systems User Guide...
Page 533: Lldp Properties
Updates Interval (5-32768) — Enter the rate at which LLDP advertisement updates are sent. Hold Multiplier (2-10) — Enter the hold time to be sent in the – LLDP update packets, as a multiple of the timer value. Dell PowerConnect 55xx Systems User Guide...
Page 534 Transmit Delay (1-8192) — Enter the amount of time that passes between successive LLDP frame transmissions, due to changes in the LLDP local systems MIB. To use the default values for any field, select Use Default. Dell PowerConnect 55xx Systems User Guide...
Page 535 Use the no form of this command to revert to the default setting. Specifies the delay between successive lldp tx-delay seconds LLDP frame transmissions. no lldp tx-delay Use the no form of this command to restore the default configuration. Dell PowerConnect 55xx Systems User Guide...
Page 536 The following is an example of the CLI commands: console(config)# interface gi1/0/1 console(config-if)# lldp run console(config)# lldp timer 30 console(config)# lldp hold-multiplier 3 console(config)# lldp reinit 4 Dell PowerConnect 55xx Systems User Guide...
Page 537: Lldp Port Settings
3 Select the transmission type on which LLDP is to be configured in the State field. The possible options are: • Tx Only — Enables LLDP on transmitting LLDP packets only. • Rx Only — Enables LLDP on receiving LLDP packets only. Dell PowerConnect 55xx Systems User Guide...
Page 538 TLVs are used. These are: Chassis subtype (MAC address), Port subtype (port number), and TTL (time-to-leave). 5 Enter the Management IP Address that is advertised from the interface. Check Use Default to use the default Management IP address. Dell PowerConnect 55xx Systems User Guide...
Page 539 Specifies which optional TLVs … tlv5] from the basic set should be transmitted The following is an example of the CLI commands: console(config)# interface gi1/0/1 console(config-if)# lldp transmit console(config-if)# lldp receive console(config-if)# lldp optional-tlv port-desc Dell PowerConnect 55xx Systems User Guide...
Page 540: Med Network Policy
For network policies to be implemented, they must be created and then associated with ports. Before policies are defined, the administrator must create the VLANs, and configure memberships in the VLANs, based on the specification in the LLDP-MED network policies. Dell PowerConnect 55xx Systems User Guide...
Page 541 Application — Select the application (type of traffic) for which the network policy is defined. – VLAN ID — Enter the VLAN ID to which the traffic should be sent. VLAN Type —Select whether the traffic is Tagged or Untagged. – Dell PowerConnect 55xx Systems User Guide...
Page 542 Use the no form of this command priority dscp value to remove an LLDP MED network policy. no lldp med network-policy number The following is an example of the CLI commands: console(config)# lldp med network-policy 1 voice-signaling vlan 1 Dell PowerConnect 55xx Systems User Guide...
Page 543: Lldp Med Port Settings
PoE — Specifies whether PoE is enabled on the port. 3 To modify network policies on a port, click Edit. 4 Select the port to be configured, and enter the fields for the port: – Enable LLDP-MED — Enable/disable LLDP-MED on the port. Dell PowerConnect 55xx Systems User Guide...
Page 544 System Description — A description of the network entity (in alpha- numeric format). This includes the system's name and versions of the hardware, operating system, and networking software supported by the switch. This value equals the sysDescr object. Dell PowerConnect 55xx Systems User Guide...
Page 545 Civic Address — Device’s civic or street address location, for example 414 23rd Ave E. • ECS ELIN — Device’s ECS ELIN location. – Location Address — Displays the port’s LLDP location, according to the Location Type. Dell PowerConnect 55xx Systems User Guide...
Page 546 Displays the LLDP MED configuration show lldp med configuration for all interfaces or for a specific [gigabitethernet|tengigabitet interface. hernet] port-number Displays the LLDP information that is show lldp local advertised from a specific port. [gigabitethernet|tengigabitet hernet] port-number Dell PowerConnect 55xx Systems User Guide...
Page 547 ------------------- Application type: voiceSignaling VLAN ID: 1 untagged Layer 2 priority: 0 DSCP: 0 Port Capabilities Network Location PoE Notif Inventory Policy ications --------- -------------- ---------------- ---------- ------ gi1/0/1 Yes Enabled gi1/0/2 Yes Enabled Dell PowerConnect 55xx Systems User Guide...
Page 548: Neighbors Information
Neighbors Information page. Figure 17-5. Neighbors Information The following fields are displayed for each port on the device that has a discovered neighbor: – Port — Port number for which neighboring information is displayed Dell PowerConnect 55xx Systems User Guide...
Page 549 Configuring LLDP Neighbors Using CLI Commands The following commands are used to configure LLDP neighbors. Table 17-5. LLDP Neighbors Information CLI Commands CLI Command Description Displays information about neighboring show lldp neighbors devices discovered using LLDP [gigabitethernet|tengigabite thernet] port-number Dell PowerConnect 55xx Systems User Guide...
Page 550 Port Device ID Port ID System Capabili TTL Name ties --------- ----------------- -------- ------- ------- ---- gi2/0/17 00:75:73:71:72:55 1/e21 gi2/0/33 00:12:cf:7c:63:a0 1/e1 gi2/0/33 00:11:22:11:22:33 1/g39 gi2/0/33 00:aa:aa:aa:aa:aa 1/e37 gi2/0/41 a4:ba:db:57:7c:8d Dell PowerConnect 55xx Systems User Guide...
Page 551: Dynamic Arp Inspection
This section describes dynamic ARP inspection. It contains the following topics: • Dynamic ARP Inspection Overview • Global Settings • Dynamic ARP Inspection List • Dynamic ARP Inspection Entries • VLAN Settings • Trusted Interfaces Dell PowerConnect 55xx Systems User Guide...
Page 552: Dynamic Arp Inspection Overview
Ethernet header against the destination interface’s MAC address. This check is performed for ARP responses. • IP Addresses — Compares the ARP body for invalid and unexpected IP addresses. Addresses include 0.0.0.0, 255.255.255.255, and all IP Multicast addresses. Dell PowerConnect 55xx Systems User Guide...
Page 553: Global Settings
MAC address, destination MAC address and IP addresses against the respective addresses in the ARP body. • Minimal Syslog Interval (0 – 86400) — Enter the minimum time interval between successive ARP SYSLOG messages. Dell PowerConnect 55xx Systems User Guide...
Page 554 Use the no form of this command to restore the default configuration. no ip arp inspection logging interval The following is an example of some of the CLI commands: console(config)# ip arp inspection console(config)# ip arp inspection validate Dell PowerConnect 55xx Systems User Guide...
Page 555: Dynamic Arp Inspection List
IP Address — Enter the IP address that will be mapped to the MAC address entered below. MAC Address — Enter the MAC address that will be mapped to the • IP address entered above. Dell PowerConnect 55xx Systems User Guide...
Page 556 Use the no form of this command to no ip arp inspection list delete the list. create name The following is an example of some of the CLI commands: console(config)# ip arp inspection list create servers console(config-ARP-list)# Dell PowerConnect 55xx Systems User Guide...
Page 557: Dynamic Arp Inspection Entries
IP Address — Enter the IP address that will be mapped to the MAC address entered below. MAC Address — Enter the MAC address that will be mapped to the • IP address entered above. Dell PowerConnect 55xx Systems User Guide...
Page 558 172.16.1.1 mac-address 0060.704c.7321 console(config-arp-list)# ip 172.16.1.2 mac-address 0060.704c.7322 console(config-arp-list)# do show ip arp inspection list List name: servers Assigned to VLANs: --------------- ------------------ 172.16.1.1 00:60:70:4c:73:21 172.16.1.2 00:60:70:4c:73:22 console(config-arp-list)# Dell PowerConnect 55xx Systems User Guide...
Page 559: Vlan Settings
2 To designate a VLAN to be associated with an ARP inspection list, click Add VLAN and enter the VLAN ID. 3 Click Assign and select the List Name to be associated with the VLAN. Dell PowerConnect 55xx Systems User Guide...
Page 560 Use the no form of this command to no ip arp inspection list delete the assignment. assign vlan The following is an example of some of the CLI commands: console(config)# ip arp inspection list assign 37 servers Dell PowerConnect 55xx Systems User Guide...
Page 561: Trusted Interfaces
The ports on the selected unit and their trusted status are displayed. 2 To modify the status of an interface, click Edit. 3 Select the interface and enable/disable its Trust Status, which is the DHCP Snooping Trust mode. Dell PowerConnect 55xx Systems User Guide...
Page 562 [[gigabitethernet|tengigabit ethernet] port-number|port- channel LAG-number] The following is an example of some of the CLI commands: console(config)# interface gi1/0/3 console(config-if)# ip arp inspection trust Dell PowerConnect 55xx Systems User Guide...
Page 563: Dhcp Snooping
DHCP Snooping This section describes DHCP Snooping and DHCP Relay features. It contains the following topics: • DHCP Snooping • DHCP Relay Dell PowerConnect 55xx Systems User Guide...
Page 564: Dhcp Snooping
Table 19-1. DHCP Packet Handling when DHCP Snooping is Enabled Packet Type Arriving from Untrusted Arriving from Trusted Ingress Interface Ingress Interface DHCPDISCOVER Forward to trusted Forwarded to trusted interfaces only. interfaces only. Dell PowerConnect 55xx Systems User Guide...
Page 565 Otherwise the packet is forwarded to trusted interfaces only, and the entry is removed from database. DHCPRELEASE Same as Same as DHCPDECLINE. DHCPDECLINE. DHCPINFORM Forward to trusted Forward to trusted interfaces only. interfaces only. DHCPLEASEQUERY Filtered. Forward. Dell PowerConnect 55xx Systems User Guide...
Page 566 MAC address and the DHCP client MAC address do not match. • Determine whether to forward or filter DHCP packets, received from untrusted interfaces, with option-82 information. • Set Binding database update interval. Dell PowerConnect 55xx Systems User Guide...
Page 567 Save Binding Database to File — Enable/disable saving the DHCP snooping database to flash memory. – Save Binding Database Internal (600-86400) — Enter how often, in seconds, the Binding database is updated. Configuring DHCP Snooping Global Parameters Using CLI Commands Dell PowerConnect 55xx Systems User Guide...
Page 568 DHCP snooping binding file. update-freq seconds Use the no form of this command to no ip dhcp snooping database return to default. update-freq Displays the DHCP snooping show ip dhcp snooping configuration. [[gigabitethernet|tengigabiteth ernet] port-number|port-channel LAG-number] Dell PowerConnect 55xx Systems User Guide...
Page 569 DHCP snooping is enabled DHCP snooping database: enabled Option 82 on untrusted port is allowed Verification of hwaddr field is enabled DHCP snooping file update frequency is configured to: 1200 seconds Interface Trusted --------- ---------- gi2/0/1 gi2/0/2 Dell PowerConnect 55xx Systems User Guide...
Page 570 2 Click Add to move the VLANs, for which you want to enable DHCP snooping, from the VLAN ID list to the Enabled VLANs list. To remove a VLAN, click Remove to move it from the Enabled VLANs list to the VLAN ID list. Dell PowerConnect 55xx Systems User Guide...
Page 571 Use the no form of this command to no ip dhcp snooping vlan-id disable DHCP snooping on a VLAN. The following is an example of some of the CLI commands: console(config)# ip dhcp snooping vlan 1 Dell PowerConnect 55xx Systems User Guide...
Page 572 2 To change the trust status of an interface, click Edit, and enter the fields: – Interface — Select a unit and port or LAG. – Trust Status — Enable/disable DHCP Snooping Trust mode on the selected port or LAG. Dell PowerConnect 55xx Systems User Guide...
Page 573 A manually-added entry can be either dynamic or a static. When configuring a dynamic entry, an expiration date must be assigned. The refresh time (in seconds) of the binding table is added in the Global Parameters pages. Dell PowerConnect 55xx Systems User Guide...
Page 574 Type — Select the entry type. The possible options are: • Static —IP address was statically configured. • Dynamic —IP address was dynamically configured. – MAC Address — Enter the MAC address to be recorded in the entry. Dell PowerConnect 55xx Systems User Guide...
Page 575 Use the no form of this command number] expiry {seconds|infinite} to delete entries from the binding database. no ip dhcp snooping binding mac- address vlan-id Clears the DHCP binding clear ip dhcp snooping database database. Dell PowerConnect 55xx Systems User Guide...
Page 576 Update frequency: 3600 Total number of binding: 2 MAC Address IP Address Lease Type VLAN Interface (sec) ----------- ---------- ------ -------- ----- ---------- 0060.704C.73FF 10.1.8.1 7983 snooping gi1/0/21 0060.704C.7BC1 10.1.8.2 92332 snooping (s)3 gi1/0/22 Dell PowerConnect 55xx Systems User Guide...
Page 577: Dhcp Relay
The switch uses the giaddr from the response to determine how to forward the response back to the DHCP client. DHCP Relay must be enabled globally and per VLAN. Dell PowerConnect 55xx Systems User Guide...
Page 578 Packets that have option-82 information, added by other devices, are discarded. • It does not support Option 82 on non-VLAN interfaces. • It can be enabled only on a VLAN/Port/LAG that has an IP address defined on it. Dell PowerConnect 55xx Systems User Guide...
Page 579 Option 82 To enable Option82 insertion: 1 Click Switching > DHCP Relay > Option 82 in the tree view to display the Option 82 page. Figure 19-5. Option 82 2 Enable/disable Option 82 insertion. Dell PowerConnect 55xx Systems User Guide...
Page 580 1 Click Switching > DHCP Relay > Global Settings in the tree view to display the Global Settings: Summary page. Figure 19-6. Global Settings: Summary The currently-define DHCP servers are displayed. 2 Enable/disable DHCP relay. Dell PowerConnect 55xx Systems User Guide...
Page 581 DHCP relay is Enabled Option 82 is Disabled Maximum number of supported VLANs without IP Address is 0 DHCP relay is not configured on any port. DHCP relay is not configured on any VLAN. Servers: 176.16.1.1 console(config)# Dell PowerConnect 55xx Systems User Guide...
Page 582: Interface Settings
1 Click Switching > DHCP Relay > Interface Settings in the tree view to display the Interface Settings: Summary page. Figure 19-7. Interface Settings: Summary The currently-define DHCP interfaces are displayed. 2 To enable DHCP relay on an interface, click Add. 3 Select the interface. Dell PowerConnect 55xx Systems User Guide...
Page 583 DHCP relay is Enabled Option 82 is Disabled Maximum number of supported VLANs without IP Address is 0 DHCP relay is not configured on any port. DHCP relay is not configured on any vlan. No servers configured Dell PowerConnect 55xx Systems User Guide...
Page 584: Iscsi Optimization
Optimization This section describes iSCSI optimization. It contains the following topics: • Optimizing iSCSI Overview • Global Parameters • iSCSI Targets • iSCSI Sessions • Configuring iSCSI Using CLI Dell PowerConnect 55xx Systems User Guide...
Page 585: Optimizing Iscsi Overview
Ability to assign a specific QoS profile to the iSCSI flows • Display of iSCSI session details (connections, initiator, target, and so on) • Identification of (self-discovered) iSCSI sessions • Identification of iSCSI session termination • Identification of non-active iSCSI sessions Dell PowerConnect 55xx Systems User Guide...
Page 586 • Encryption (Ipsec) must not be applied on iSCSI traffic, otherwise a QoS profile will not be assigned to iSCSI. • iSCSI optimization does not work with IP fragmented frames. Dell PowerConnect 55xx Systems User Guide...
Page 587 If the actual iSCSI session used only one TCP connection, the reinitiated one will be added to the monitoring table, for an aging-time period. After that, it is removed from the list. Dell PowerConnect 55xx Systems User Guide...
Page 588: Global Parameters
Classification — Select whether the priority of iSCSI packets is determined by CoS or DSCP. Check the classification, and select the desired value. – Remark — Enable/disable whether iSCSI frames will be remarked with the CoS or DSCP value. Dell PowerConnect 55xx Systems User Guide...
Page 589 Sets the aging time for iSCSI sessions. iscsi aging time minutes Use the no form of the command to no iscsi aging time cancel aging. Displays iSCSI settings. show iscsi Dell PowerConnect 55xx Systems User Guide...
Page 590 Initiator: iqn.1992-04.com.os-vendor.plan9:cdrom.12. storage:sys1.xyz Time started: 23-Jul-2002 10:04:50 Time for aging out: 10 min ISID: 11 Initiator Initiator Target Target IP Address TCP Port IP Address IP port ---------- --------- ---------- ------- 172.16.1.3 49154 172.16.1.20 30001 Dell PowerConnect 55xx Systems User Guide...
Page 591: Iscsi Targets
TCP Port — TCP port used by the target for iSCSI communications. – IP Address — IP address of the target. The IP address 0.0.0.0 is address. – Target Name (0-223 characters) — Name of the target. Dell PowerConnect 55xx Systems User Guide...
Page 592 [tcp-port-2… tcp-port- 8] [address ip-address] Show the current iSCSI targets and show iscsi sessions sessions. The following is an example of the CLI commands: console(config)# iscsi target port 30001 address 176.16.1.1 name iqn.1993-11.com.disk vendor:diskarrays.sn.45678.tape:sys1.xyz Dell PowerConnect 55xx Systems User Guide...
Page 593: Iscsi Sessions
– Session Life Time — The amount of time that has passed since the first frame of the session. – Aging Time — The time left until the session ages out and is removed. Dell PowerConnect 55xx Systems User Guide...
Page 594 Target IP Port -------------------- ----------------- ---------------- ------------- 172.16.1.3 49154 172.16.1.20 3001 172.16.1.3 49154 172.16.1.20 3001 1172.16.1.3 49154 172.16.1.20 3001 30001Initiator: iqn.1995-05.com.os-vendor.plan9:cdrom.10 Status: Active UP Time: 00:04:50 (DD:HH:MM) Time for aging out: 2 min ISID: 22 Dell PowerConnect 55xx Systems User Guide...
Page 595: Configuring Iscsi Using Cli
Set iSCSI flow to use VPT 2 (Layer 2 iscsi cos vpt 2 remark CoS). This VPT value replaces the original VPT in the packet. Verify that iSCSI is enabled and that the show iscsi sessions iSCSI flows are displayed. Dell PowerConnect 55xx Systems User Guide...
Page 596: Statistics/Rmon
This section describes many of the statistics available on the device. The only exception is the QoS statistics described in "Quality of Service" on page 640. It contains the following topics: • Table Views • RMON Components • Charts Dell PowerConnect 55xx Systems User Guide...
Page 597: Table Views
This section displays statistics in table form. It contains the following topics: • Denied ACEs Counters • Utilization Summary • Counter Summary • Interface Statistics • Etherlike Statistics • GVRP Statistics • EAP Statistics Dell PowerConnect 55xx Systems User Guide...
Page 598 2 To clear the counters, select either a stack unit and port or LAG. All ports/LAGs in the unit are displayed. 3 Mark the counters to be cleared and click Clear Counters. 4 To clear all counters, click Clear All Counters. Dell PowerConnect 55xx Systems User Guide...
Page 599 Displays Access List counters. show interfaces access-lists counters [gigabitethernet|tengigabite thernet] port-number|port- channel LAG-number] The following is an example of the CLI commands: console# show interfaces access-lists counters Interface Denied ACE hits --------- ------------- gi1/0/1 gi1/0/2 gi1/0/3 Dell PowerConnect 55xx Systems User Guide...
Page 600 0 to 200%. The maximum reading of 200% for a full duplex connection indicates that 100% of bandwidth of incoming and outgoing connections is used by the traffic travelling through the interface. The maximum reading for a half duplex connection is 100%. Dell PowerConnect 55xx Systems User Guide...
Page 601 % Error Packets Received — Percentage of packets with errors – received on the interface. 3 Select one of the Refresh Rate options to specify how frequently the statistics should be refreshed. The CPU utilization chart is displayed. Dell PowerConnect 55xx Systems User Guide...
Page 602 The following fields are displayed: – Port/LAG — The interface number. – Interface Status — Status of the interface: Up or Down. – Received Unicast Packets — Number of received Unicast packets on the interface. Dell PowerConnect 55xx Systems User Guide...
Page 603 Unicast packets from the interface. – Received Errors — Number of received packets with errors on the interface. 3 Select one of the Refresh Rate options to specify how frequently the counters should be refreshed. Dell PowerConnect 55xx Systems User Guide...
Page 604: Interface Statistics
3 Select one of the Refresh Rate options to specify how frequently the counters should be refreshed. The following fields are displayed: Receive Statistics Total Bytes (Octets) — Amount of octets received on the selected – interface. Dell PowerConnect 55xx Systems User Guide...
Page 605 Multicast Packets — Number of Multicast packets transmitted from the selected interface. – Broadcast Packets — Number of Broadcast packets transmitted from the selected interface. 4 Click Reset All Counters to clear these counters. Dell PowerConnect 55xx Systems User Guide...
Page 606: Etherlike Statistics
Single Collision Frames — Number of frames that are involved in a single collision, and are subsequently transmitted successfully. – Late Collisions — Number of collisions detected after the first 512 bits of data. Dell PowerConnect 55xx Systems User Guide...
Page 607 The following table contains the CLI commands for viewing utilization, counters and interface statistics. Table 21-2. Interface Statistics CLI Commands CLI Command Description Displays traffic seen by the physical show interfaces counters interface. [[gigabitethernet|tengigabit ethernet] port-number|port- channel LAG-number] Dell PowerConnect 55xx Systems User Guide...
Page 608 Multiple Collision Frames: 0 SQE Test Errors: 0 Deferred Transmissions: 0 Late Collisions: 0 Excessive Collisions: 0 Carrier Sense Errors: 0 Oversize Packets: 0 Internal MAC Rx Errors: 0 Symbol Errors: 0 Received Pause Frames: 0 Dell PowerConnect 55xx Systems User Guide...
Page 609 Join Empty — The number of GVRP Join Empty packets. – Empty — The number of GVRP empty packets. – Leave Empty — The number of GVRP Leave Empty packets. – Join In — The number of GVRP Join In packets. Dell PowerConnect 55xx Systems User Guide...
Page 610 The following table contains the CLI commands for viewing GVRP statistics. Table 21-3. GVRP Statistics CLI Commands CLI Command Description Displays GVRP statistics. show gvrp statistics [[gigabitethernet|tengigabitethernet ] interface|port-channel LAG-number] Displays GVRP error show gvrp error-statistics statistics. [[gigabitethernet|tengigabitethernet ] interface|port-channel LAG-number] Dell PowerConnect 55xx Systems User Guide...
Page 611 : Empty Sent sLIn: Leave In Sent : Leave Empty Sent sLA : Leave All Sent Port rJIn rEmp rLIn sJIn sEmp sLIn ----- ----- ----- ----- ----- ----- ----- ---- ----- ---- ---- Dell PowerConnect 55xx Systems User Guide...
Page 612 2 Select a port/LAG. The following fields are displayed: – Frames Received — The number of valid EAPOL frames received on the port. – Frames Transmitted — The number of EAPOL frames transmitted via the port. Dell PowerConnect 55xx Systems User Guide...
Page 613 Viewing EAP Statistics Using the CLI Commands The following table summarizes the CLI commands for viewing EAP statistics. Table 21-4. EAP Statistics CLI Commands CLI Command Description Displays 802.1X statistics for the show dot1x statistics specified interface. Dell PowerConnect 55xx Systems User Guide...
Page 614 The following is an example of the CLI commands: console# show dot1x statistics gi1/0/1 EapolFramesRx: 11 EapolFramesTx: 12 EapolStartFramesRx: 1 EapolLogoffFramesRx: 1 EapolRespIdFramesRx: 3 EapolRespFramesRx: 6 EapolReqIdFramesTx: 3 EapolReqFramesTx: 6 InvalidEapolFramesRx: 0 EapLengthErrorFramesRx: 0 LastEapolFrameVersion: 1 LastEapolFrameSource: 0008.3b79.8787 Dell PowerConnect 55xx Systems User Guide...
Page 615: Rmon Components
This section describes Remote Monitoring (RMON), which enables network managers to display network information from a remote location. It contains the following topics: • Statistics • History Control • History Table • Events Control • Events Log • Alarms Dell PowerConnect 55xx Systems User Guide...
Page 616 Received Packets — Number of packets received on the selected interface. Broadcast Packets Received — Number of good Broadcast packets – received on the interface since the device was last refreshed. This number does not include Multicast packets. Dell PowerConnect 55xx Systems User Guide...
Page 617 Frames of 256 to 511 Bytes — Number of 256-511-byte frames received on the interface, since the device was last refreshed. – Frames of 512 to 1023 Bytes — Number of 512-1023-byte frames received on the interface, since the device was last refreshed. Dell PowerConnect 55xx Systems User Guide...
Page 618: Rmon Statistics
Undersize Pkts: 0 Oversize Pkts: 0 Fragments: 0 Jabbers: 0 64 Octets: 0 65 to 127 Octets: 1 128 to 255 Octets: 1 256 to 511 Octets: 1 512 to 1023 Octets: 0 1024 to max Octets: 0 Dell PowerConnect 55xx Systems User Guide...
Page 619 2 To add a new entry, click Add. The New History Entry number, which uniquely identifies the sample, is displayed. 3 Enter the fields for the entry: Source Interface — Sampled Ethernet interface. – – Owner (0-20 characters) — RMON station or user that configured the entry. Dell PowerConnect 55xx Systems User Guide...
Page 620: History Control
Displays RMON collection history show rmon collection history statistics. [[gigabitethernet|tengigabitet hernet] interface|port-channel LAG-number] The following is an example of the CLI commands: console(config)# gi1/0/8 interface console(config-if)# rmon collection stats interval 2400 Dell PowerConnect 55xx Systems User Guide...
Page 621 2 Select a History Entry No. The following fields are displayed: – Owner — RMON station or user that requested the RMON information. – Sample No. — Number of the specific sample the information in the table reflects. Dell PowerConnect 55xx Systems User Guide...
Page 622 Collisions are detected when repeater port detects two or more stations transmitting simultaneously. Utilization — Estimated main physical layer network usage on an – interface during the session sampling. The value is stated in hundredths of a percent. Dell PowerConnect 55xx Systems User Guide...
Page 623 Requested samples: 50 Owner: CLI Interval: 1800 Granted samples: 50 Maximum table size: 500 Time -------------------- Jan 18 2005 21:57:00 Octets --------- 303595962 Packets ------- 357568 Broadcast --------- 3289 Multicast ---------- 7287 Util -------- Dell PowerConnect 55xx Systems User Guide...
Page 624 The currently-defined events are displayed. Along with the fields described in the Events Control: Add page, the following field is displayed for the events: – Time — The time that the event occurred. 2 To define a new event, click Add. Dell PowerConnect 55xx Systems User Guide...
Page 625 Configures an event. rmon event index {none|log|trap|log-trap} Use the no form of this command to [community text] remove an event. [description text] [owner name] no rmon event index Displays RMON event table. show rmon events Dell PowerConnect 55xx Systems User Guide...
Page 626 Index Description Type Community Owner Last Time Sent ----- ----------- ------ --------- ----- ----------- Errors Default Jan 18 2002 Community 23:58:17 High Log- Router Manager Jan 18 2002 Broadcast Trap 23:59:48 Dell PowerConnect 55xx Systems User Guide...
Page 627 Events Control page. Figure 21-12. Events Control The following fields are displayed: Event — The event identifier. – – Log No. — The log number. – Log Time — Time when the log entry was entered. Dell PowerConnect 55xx Systems User Guide...
Page 628 Both the rising and falling thresholds must be configured in the alarm. After a rising threshold is crossed, another rising event is not generated until the companion falling threshold is crossed. After a falling alarm is issued, the next Dell PowerConnect 55xx Systems User Guide...
Page 629 2 To add a new alarm, click Add and enter the fields: Alarm Entry — Displays a new alarm entry. – – Interface — Select the interface for which RMON statistics are displayed. – Counter Name — Select the selected MIB variable. Dell PowerConnect 55xx Systems User Guide...
Page 630 This is the interval in seconds over which the data is sampled and compared with the rising and falling thresholds. – Owner — Enter the name of the user or network management system that receives the alarm. Dell PowerConnect 55xx Systems User Guide...
Page 631 [type type] [startup direction] [owner name] no rmon alarm index Displays summary of the alarm table. show rmon alarm-table Displays the RMON alarm show rmon alarm number configuration. Dell PowerConnect 55xx Systems User Guide...
Page 632 The following is an example of the CLI commands: console(config)# 1000 rmon alarm 1.3.6.1.2.1.2.2.1.10.1 360000 1000000 1000000 10 20 console# show rmon alarm-table Index ----- ---------------------- 1.3.6.1.2.1.2.2.1.10.1 1.3.6.1.2.1.2.2.1.10.1 1.3.6.1.2.1.2.2.1.10.9 Owner ------- Manager Dell PowerConnect 55xx Systems User Guide...
Page 633: Charts
1 Click Statistics/RMON > Charts > Ports in the tree view to display the Ports page. Figure 21-14. Ports 2 Select the unit ID of a unit in the stack for which you want to display statistics. Dell PowerConnect 55xx Systems User Guide...
Page 634 Refresh Rate — Select the amount of time that passes before the statistics are refreshed. 4 To draw a chart for the selected statistics, click Draw. The chart for the selected statistic is displayed on the page. Dell PowerConnect 55xx Systems User Guide...
Page 635 2 Check the type of statistics to be displayed: – Interface Statistics — Select the interface statistics to display. – Etherlike Statistics — Select the frame error statistics to display. – RMON Statistics — Select the RMON statistics to display. Dell PowerConnect 55xx Systems User Guide...
Page 636 LAG-number] Displays RMON Ethernet show rmon statistics statistics. {[gigabitethernet|tengigabitet hernet] interface|port-channel LAG-number} Displays GVRP statistics. show gvrp statistics {[gigabitethernet|tengigabitet hernet] interface|port-channel LAG-number} Displays GVRP error statistics. show gvrp-error statistics {[gigabitethernet|tengigabitet hernet] interface|port-channel LAG-number} Dell PowerConnect 55xx Systems User Guide...
Page 637 Undersize Pkts: 0 Oversize Pkts: 0 Fragments: 0 Jabbers: 0 64 Octets: 0 65 to 127 Octets: 1 128 to 255 Octets: 1 256 to 511 Octets: 1 512 to 1023 Octets: 0 1024 to max Octets: 0 Dell PowerConnect 55xx Systems User Guide...
Page 638 1 Click Statistics/RMON > Charts > CPU Utilization in the tree view to display the CPU Utilization page. Figure 21-16. CPU Utilization 2 Select the Refresh Rate to specify how frequently the statistics should be refreshed. 3 The CPU utilization chart is displayed. Dell PowerConnect 55xx Systems User Guide...
Page 639 Displays CPU utilization. show cpu utilization The following is an example of the CLI commands: console# show cpu utilization CPU utilization service is on. CPU utilization -------------------------- five seconds: 5%; one minute: 3%; five minutes: 3% Dell PowerConnect 55xx Systems User Guide...
Page 640: Quality Of Service
Quality of Service This section provides information for configuring Quality of Service (QoS). It contains the following topics: • QoS Features and Components • General • QoS Basic Mode • QoS Advanced Mode • QoS Statistics Dell PowerConnect 55xx Systems User Guide...
Page 641: Qos Features And Components
• • Layer 3 IPv4 Frames — Differentiated Service Code Point (DSCP) value • Layer 3 IPv6 Frames —Traffic Class (TC) value When operating in Basic mode, the switch trusts this externally-assigned QoS value. Dell PowerConnect 55xx Systems User Guide...
Page 642 When changing from Basic mode to Advanced mode, the QoS Trust mode configuration in Basic mode is not retained. • When disabling QoS, the shaper and queue setting (WRR/SP bandwidth settings) are reset to default values. All other user configurations remain intact. Dell PowerConnect 55xx Systems User Guide...
Page 643: General
1 Click Quality of Service > General >QoS Mode in the tree view to display the QoS Mode page. Figure 22-1. QoS Mode 2 Select the QoS Mode. The possible options are: – Basic — QoS is enabled in Basic mode on the switch Dell PowerConnect 55xx Systems User Guide...
Page 644 [basic|advanced] Use the no form of this command to disable QoS no qos on the device Displays the QoS mode. show qos The following is an example of the CLI commands: console(config)# qos basic Dell PowerConnect 55xx Systems User Guide...
Page 645 2 To modify the CoS value for an interface, click Edit, and enter the fields: – Interface — Select a port or LAG if required. – Set Default CoS — Enter the default CoS tag value for untagged packets. Dell PowerConnect 55xx Systems User Guide...
Page 646 2 receives 2/15, queue 3 receives 4/15, and queue 8 receives 8/15 of the bandwidth. The type of WRR algorithm used in the device is not the standard Deficit WRR (DWRR), but rather Shaped Deficit WRR (SDWRR). Dell PowerConnect 55xx Systems User Guide...
Page 647 In the above case, traffic for the strict priority queues is always sent before traffic from the WRR queues. Traffic from the WRR queues is forwarded only after the strict priority queues have been emptied. The relative portion from each WRR queue depends on its weight. Dell PowerConnect 55xx Systems User Guide...
Page 648 WRR — Check to indicate that traffic scheduling for the selected queue is based on WRR. The time period is divided between the WRR queues that are not empty, meaning they have descriptors to egress. This happens only if strict priority queues are empty. Dell PowerConnect 55xx Systems User Guide...
Page 649 6 6 6 6 6 6 Mapping to Queue This section provides information for mapping DSCP and CoS values to service queues, and contains the following topics: • CoS to Queue • DSCP to Queue Dell PowerConnect 55xx Systems User Guide...
Page 650 The CoS to Queue mapping is applicable only if one of the following exists: • The switch is in QoS Basic mode, and CoS is the trusted mode. • The switch is in QoS Advanced mode, and the packets belong to flows that are CoS trusted. Dell PowerConnect 55xx Systems User Guide...
Page 651 – Class of Service — The CoS priority tag values, where zero is the lowest priority and 7 is the highest priority. – Queue — The queue to which the CoS priority is mapped. Dell PowerConnect 55xx Systems User Guide...
Page 652 The switch is in Basic mode and DSCP is the trusted mode • The switch is in Advanced mode and the packets belongs to flows that are DSCP trusted Non-IP packets are always classified to the best-effort queue. Dell PowerConnect 55xx Systems User Guide...
Page 653 DSCP In — The values of the DSCP field in the incoming packet. – Queue — The queue to which packets with the specific DSCP value is assigned. The values are 1-8, where 1 is the lowest value, and 8 is the highest. Dell PowerConnect 55xx Systems User Guide...
Page 654 – Committed Burst Shape (CBS) sets the maximum burst of data that is allowed to be sent, even though it is above the CIR. This is defined in number of bytes of data. Dell PowerConnect 55xx Systems User Guide...
Page 655 Enable Ingress Rate Limit — Enable/disable ingress traffic limit for – the interface. If this field is selected, enter the Ingress Rate Limit. – Ingress Rate Limit — Enter the ingress traffic limit for the interface. Dell PowerConnect 55xx Systems User Guide...
Page 656 [burst committed-burst-byte] Use the no form to disable rate no rate-limit limit. The following is an example of the CLI commands: console(config)# interface gi1/0/5 console(config-if)# traffic-shape 124000 9600 console(config-if)# rate-limit 150000 Dell PowerConnect 55xx Systems User Guide...
Page 657 Continue only if you are sure it will improve overall network performance. For this change to be effective you must save the configuration and reboot the device. Figure 22-7. TCP Congestion Avoidance 2 Check TCP Congestion Avoidance to enable the algorithm. Dell PowerConnect 55xx Systems User Guide...
Page 658 WRTD. The following is an example of the CLI commands: console(config)# qos wrr-queue wrtd This setting will take effect only after copying running configuration to startup configuration and resetting the device. Dell PowerConnect 55xx Systems User Guide...
Page 659: Qos Basic Mode
Otherwise, performance in the network might be negatively affected. 4 If you selected DSCP Rewrite in the Global Settings page, set the DSCP in/out values in the DSCP Rewrite page. Dell PowerConnect 55xx Systems User Guide...
Page 660 Settings" on page 664. To define Trust configuration: 1 Click Quality of Service > QoS Basic Mode > Global Settings in the tree view to display the Global Settings page. Figure 22-8. Global Settings Dell PowerConnect 55xx Systems User Guide...
Page 661 Use the no form of this command to restore the trusted port with no DSCP mutation. The following is an example of the CLI commands: console(config)# qos trust dscp console(config)# qos dscp-mutation Dell PowerConnect 55xx Systems User Guide...
Page 662 DSCP values 16, 24, and 48, the values set in the DSCP Rewrite page are used to change the incoming values to the outgoing values. These settings are active globally when the system is in QoS Basic mode. Dell PowerConnect 55xx Systems User Guide...
Page 663 To map DSCP In values to DSCP Out values: 1 Click Quality of Service > QoS Basic Mode > DSCP Rewrite in the tree view to display the DSCP Rewrite page. Figure 22-9. DSCP Rewrite Dell PowerConnect 55xx Systems User Guide...
Page 664 • QoS Trust State Enabled on an Interface — Port prioritized traffic on ingress is based on the system- wide configured trusted mode, which is either CoS Trusted mode or DSCP Trusted mode. Dell PowerConnect 55xx Systems User Guide...
Page 665 Trust mode is displayed for each interface on the selected unit. 2 To change the QoS trust state for an interface, click Edit, and select an interface on a unit. 3 Enable/disable the QoS Trust State. Dell PowerConnect 55xx Systems User Guide...
Page 666 Define an ACL named console(config)#mac access-list "MAC1" extended MAC1 MAC1 discards all traffic with console(config-mac-a1)#deny source MAC 00:00:00:00:00:11 00:00:00:00:00:ff 00:00:00:00:00:XX addresses. MAC1 permits all other console(config-mac-a1)# permit any traffic. Exit ACL mode. console(config-mac-a1)#exit Dell PowerConnect 55xx Systems User Guide...
Page 667 Table 22-11. Sample CLI Script to Configure QoS Basic Mode (Continued) CLI Command Description Enter Interface mode on port console(config)#interface gi1/0/1 gi1/0/1. Bind MAC1 to port gi1/0/1. console(config-if)#service-acl input mac1 Dell PowerConnect 55xx Systems User Guide...
Page 668: Qos Advanced Mode
When a class map, using a single policer, is bound to multiple ports, each port has its own instance of the policer. Each instance applies the QoS actions on the class map (flow) at a port independent of each other. Dell PowerConnect 55xx Systems User Guide...
Page 669 5 Create a policy map in the Policy Class Maps pages, and associate the policy map with one or more class maps. Specify the QoS action, if needed, for example by assigning a policer to a class map, when you associate the class map to the policy. Dell PowerConnect 55xx Systems User Guide...
Page 670 To use the Remark DSCP exceed action, set the DSCP Out value in the DSCP Mapping page. Otherwise the action is null, because the DSCP value in the packet is rewritten to the original DSCP value, set by factory default. Dell PowerConnect 55xx Systems User Guide...
Page 671 2 If the Exceed Action is Out-of-Profile (in the page) or Aggregate Policy Remark DSCP (in the page), the DSCP In values are rewritten with the DSCP Out values. Set the DSCP Out values as required. Dell PowerConnect 55xx Systems User Guide...
Page 672: Class Mapping
— Traffic matches class map if it matches at least one of the ACLs If a more complex set of rules is needed, several class maps can be grouped into a super-group called a policy (see "Defining Class Mapping Using CLI Commands" on page 674). Dell PowerConnect 55xx Systems User Guide...
Page 673 If a class map has two ACLs, specify that a frame must match both ACLs, or that it must match either one or both of the ACLs selected. 3 Enter the parameters. – Class Map Name — Enter the name of a new class map. Dell PowerConnect 55xx Systems User Guide...
Page 674 Creates or modifies a class map and class-map class-map-name enters the Class-map Configuration [match-all|match-any] mode. no class-map class-map-name Use the no form of this command to delete a class map. Dell PowerConnect 55xx Systems User Guide...
Page 675: Qos Policers
Class Map matchAll class1 Match access-group enterprise QoS Policers This section describes QoS policers. It contains the following topics: • QoS Policers Overview • Aggregate Policers • Single Policers Dell PowerConnect 55xx Systems User Guide...
Page 676 DSCP value with a value that marks them as lower-priority frames for all subsequent handling within the device. A policer is assigned to a class map when a class map is added to a policy. Dell PowerConnect 55xx Systems User Guide...
Page 677 "Bandwidth" on page 654. – Committed Burst Size (CBS) — Enter the maximum burst size (even if it goes beyond the CIR) in bytes. See the description of this in the "Bandwidth" on page 654. Dell PowerConnect 55xx Systems User Guide...
Page 678 Use the no form of this command to {drop|policed-dscp-transmit}] remove an existing aggregate policer. no qos aggregate-policer aggregate-policer-name The following is an example of the CLI commands: console(config)# qos aggregate-policer policer1 124000 9600 exceed-action drop Dell PowerConnect 55xx Systems User Guide...
Page 679 A policy can consist of one of the following: • One or more class maps of ACLs that define the traffic flows in the policy. • One or more aggregate policers that apply the QoS to the traffic flows in the policy. Dell PowerConnect 55xx Systems User Guide...
Page 680 2 To create a policy, click Add. 3 Enter the name of the new policy in the Policy Name field. 4 Add class maps to the new policy in the Policy Class Maps page. Dell PowerConnect 55xx Systems User Guide...
Page 681 Creates a policy map and enters the Policy- policy-map policy-map-name map Configuration mode. no policy-map policy-map- Use the no form of this command to name delete a policy map. The following is an example of the CLI commands: console(config)# policy-map policy1 Dell PowerConnect 55xx Systems User Guide...
Page 682 2 Select a policy in the Policy Name field. The class maps in that policy are displayed. 3 To add a class map, click Add. 4 Enter the parameters. – Policy Name — Select the policy to which the class map is being added. Dell PowerConnect 55xx Systems User Guide...
Page 683 Aggregate, select a previously-defined aggregate policer. If Police Type is Single, enter the following QoS parameters: Ingress Committed Information Rate (CIR) (Range: 100 - 1000000) – — Enter the CIR in Kbps. See its description in the Bandwidth pages. Dell PowerConnect 55xx Systems User Guide...
Page 684 Use the no form of this command to return to the default values. no set Defines the policer for classified traffic. police committed-rate-kbps committed-burst-byte [exceed- Use the no form of this command to action {drop|policed-dscp- remove a policer. transmit}] no police Dell PowerConnect 55xx Systems User Guide...
Page 685 The following is an example of the CLI commands: console(config)# policy-map policy1 console(config-pmap)# class class1 access-group enterprise console(config-pmap)# trust cos-dscp console(config-pmap)# set dscp 56 console(config-pmap)# class class1 console(config-pmap-c)# police 124000 9600 exceed-action drop console(config)# qos aggregate-policer policer1 124000 9600 exceed-action drop Dell PowerConnect 55xx Systems User Guide...
Page 686: Policy Binding
To edit a policy, it must first be removed (unbound) from all those ports to which it is bound. To define policy binding: 1 Click Quality of Service > QoS Advanced Mode > Policy Binding to display the Policy Binding: Summary page. Figure 22-16. Policy Binding: Summary Dell PowerConnect 55xx Systems User Guide...
Page 687 Use the no form of this command to detach a no service-policy policy map from an interface. input The following is an example of the CLI commands: console(config-if)# service-policy input policy1 Dell PowerConnect 55xx Systems User Guide...
Page 688: Qos Statistics
QoS Statistics This section describes how to view and manage QoS statistics. It contains the following topics: • Policer Statistics • Aggregated Policer • Queues Statistics Dell PowerConnect 55xx Systems User Guide...
Page 689: Policer Statistics
Policer Statistics: Summary page. Figure 22-17. Policer Statistics: Summary The following statistics for the previously-defined counters are displayed: – Interface — Statistics are displayed for this interface. – Policy — Statistics are displayed for this policy. Dell PowerConnect 55xx Systems User Guide...
Page 690 Clears the statistics clear qos statistics Displays the statistics show qos statistics The following is an example of the CLI commands: console(config-if)# qos statistics policer policy1 class1 Dell PowerConnect 55xx Systems User Guide...
Page 691 In-Profile Bytes — Number of in-profile packets that were received. – Out-of-Profile Bytes — Number of out-of-profile packets that were received. 2 To add a new counter that applies to another aggregate policer, click Add. Dell PowerConnect 55xx Systems User Guide...
Page 692: Queues Statistics
(config)# qos statistics aggregate-policer policer1 Queues Statistics Queue statistics include statistics of forwarded and dropped packets, based on interface, queue, and drop precedence. Lowest drop precedence has the lowest probability of being dropped. Dell PowerConnect 55xx Systems User Guide...
Page 693 Counter Set —Number of counter. – Port —Number of port. – Queue —Number of queue. – Total Packets —Number of packets forwarded or tail dropped. – Tail Drop Packets —Percentage of packets that were tail dropped. Dell PowerConnect 55xx Systems User Guide...
Page 694 Clears the statistics clear qos statistics Displays the statistics show qos statistics The following is an example of the CLI commands: console(config)# qos statistics queues 1 all all all Dell PowerConnect 55xx Systems User Guide...
Page 695: Glossary
Address Resolution Protocol . A protocol that converts IP addresses into physical addresses. ASIC Application Specific Integrated Circuit . A custom chip designed for a specific application. Asset Tag Specifies the user-defined switch module reference. Dell PowerConnect 55xx Systems User Guide...
Page 696 The amount of bandwidth assigned to a specific application, user, or interface. Baud The number of signaling elements transmitted each second. Best Effort Traffic is assigned to the lowest priority queue, and packet delivery is not guaranteed. Dell PowerConnect 55xx Systems User Guide...
Page 697 For more information about Broadcast storms, see "LACP Parameters" on page 503. Configuration Data Base. A file containing a device’s configuration information. Class of Service Dell PowerConnect 55xx Systems User Guide...
Page 698: Dhcp Client
A group of computers and devices on a network that are grouped with common rules and procedures. Duplex Mode Permits simultaneous transmissions and reception of data. There are two different types of duplex mode: Dell PowerConnect 55xx Systems User Guide...
Page 699 FFT. If there is not a known route, the CPU forwards the packet and updates the FFT. FIFO Dell PowerConnect 55xx Systems User Guide...
Page 700 . Packets are queued. Packets at the head of the queue are forwarded before packets at the end of the line. Host A computer that acts as a source of information or services to other computers. Dell PowerConnect 55xx Systems User Guide...
Page 701 Image File System images are saved in two Flash sectors called images (Image 1 and Image 2). The active image stores the active copy; while the other image stores a second copy. Ingress Port Dell PowerConnect 55xx Systems User Guide...
Page 702 Data Link Layer or MAC Layer . Contains the physical address of a client or server station. Layer 2 processing is faster than Layer 3 processing because there is less information to process. Layer 3 Dell PowerConnect 55xx Systems User Guide...
Page 703 For example, Unit 2 is inserted in the first minute of a ten-minute cycle, and Unit 1 is inserted in fifth minute of the same cycle, the units are considered the same age. Dell PowerConnect 55xx Systems User Guide...
Page 704 Network Management System. An interface that provides a method of managing a system. Node A network connection endpoint or a common junction for multiple network lines. Nodes include: • Processors • Controllers • Workstations Dell PowerConnect 55xx Systems User Guide...
Page 705 A set of rules that governs how devices exchange information across networks. Protocol VLAN Edge. A port can be defined as a Private VLAN Edge (PVE) port of an uplink port, so that it will be isolated from other ports within the same VLAN. Dell PowerConnect 55xx Systems User Guide...
Page 706 Contains all startup configuration file commands, as well as all commands entered during the current session. After the switch module is powered down or rebooted, all commands stored in the Running Configuration file are lost. Dell PowerConnect 55xx Systems User Guide...
Page 707 Secure Shell provides strong authentication and secure communications methods over insecure channels. Startup Configuration Retains the exact switch module configuration when the switch module is powered down or rebooted. Subnet Dell PowerConnect 55xx Systems User Guide...
Page 708 Optimizes port usage by linking a group of ports together to form a single trunk (aggregated groups). User Data Protocol. Transmits packets but does not guarantee their delivery. Unicast A form of routing that transmits one packet to one user. Dell PowerConnect 55xx Systems User Guide...
Page 709 Specifies which IP address bits are used, and which bits are ignored. A wild switch module mask of 255.255.255.255 indicates that no bit is important. A wildcard of 0.0.0.0 indicates that all the bits are important. Dell PowerConnect 55xx Systems User Guide...
Page 710: Index
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm Index Numerics Address Resolution Protocol 242, 24/48 G Ports 35 Address Tables 416 802.1ab (LLDP-MED) 27 Administrator Buttons 87 802.1d 21 Advanced QoS 24 802.1Q 20, 469, 475 Advanced Switch Configuration 63 Aggregate Policer 676, 691...
Page 711 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm Auto update, configuration/image Cipher Block-Chaining 308 file 331 Class Mapping 672 Automatic aging for MAC Class of Service 698 addresses 18 Classic lock 93 Auto-Negotiation 17 Classic STP 429 CLI 26, 64, 67, 254 CLI macro 30...
Page 712 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm Dot1x 28 Dot1x Authentication 127 Daylight Savings Times 163 Download, boot image 81 Default domain names 238 Download, system image 79 Default Gateway, IPv6 219 Download, TFTP 347 Defining device information 151 Download, USB/HTTP 345...
Page 713 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm Egress ports 699 First In First Out 700 Egress Shaping Rates 654 Flapping 700 Emergency Call Service 532 Flow Control 380, 700 Enable 275 Flow Control Support (IEEE 802.3X) 16 Enable passwords 274 Flow Monitoring (sflow) 25...
Page 714 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm Green Ethernet Configuration 384 ICMP 701 Guest VLAN 21 Icons 87 GVRP 610, 700 Identifying a switch via LED 32 GVRP parameters 483 IEEE 701 GVRP statistics 609 IEEE 802.1d 701 GVRP Support 20 IEEE 802.1p 701 IEEE 802.1Q 20, 701...
Page 715 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm IPv6 Neighbors 228 LED Definitions 38 IPv6 Routes Table 232 LEDs 36, 40 IPv6-based ACL 112 LEDs on Front Panel 36 ISATAP 222 Light Emitting Diodes 38 iSCSI 585 Limited dynamic lock 93 iSCSI Sessions 593, 595...
Page 716 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm Log file in Flash 195 Mac-based ACE 101 Logging Global Parameters 189 Mac-based ACL 99 Logging Severity Level - Alert 189 Management Access Lists 255 Logging Severity Level - Critical Management Access Methods 265 Management Information Base...
Page 717 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm Multicast 508, 517 Multicast TV VLAN 21 Packets 705 Multicast TV VLAN Mapping 529 Password configuration 71 Multicast TV VLAN Membership Password management 29, 279 Password recovery 78 Multiple STP (MSTP) 429 Passwords 84, 275...
Page 718 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm Port-based Virtual LANs (VLANs) QoS, Advanced Mode, Workflow Ports 35, 85, 378, 635 QoS, Aggregate Policer 676 Ports, statistics 633 QoS, assignment to hardware queues 641 Power over Ethernet 15 QoS, Bandwidth 654 Power supplies 42...
Page 719 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm RADIUS Advertisement 706 Rules 255 RADIUS client 28 Running Configuration File 330, RADIUS discovery 706 RADIUS server 284 RAM Log 193 Rapid Spanning Tree 444 Secure Shell 284 Rapid Spanning Tree Protocol 444, Secure Telnet (SSH) 254, 265...
Page 720 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm SNMP 254, 257, 279, 307, 707 Stacking failover topology 47 SNMP access rights 308 Stacking, adding a unit to the stack SNMP communities 320 Stacking, assigning unit IDs 48 SNMP global parameters 309 Stacking, automatic assignment of...
Page 721 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm Statistics, QoS 688 TDR technology 249 Statistics, Utilization Summary Telnet 254, 257, 262, 265, 273, 279, 284, 708 Storm control 408 Telnet Connection 67 STP 21, 438 Telnet password, configuring 72 STP BPDU Guard 22...
Page 722 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm Virtual Local Area Networks 709 VLAN 20, 459, 465, 466, 517, 709 UDP 708 VLAN frame flow 461 UDP relay 246 VLAN membership 465 Unauthenticated VLAN and Guest VLANs 130 VLAN settings, DHCP 570 Understanding the interface 84...
Page 723 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm XG Ports 35 D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 5 / 7 / 1 2 - F O R P R O O F O N LY...
Page 724 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 5 / 7 / 1 2 - F O R P R O O F O N LY...
Page 725 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 5 / 7 / 1 2 - F O R P R O O F O N LY...
Page 726 FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fm D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 5 / 7 / 1 2 - F O R P R O O F O N LY...
Page 727: Revision History
1.4 for stacking Jan 31, 2012 Corrected command in private VLAN CLI command. Sept 21, 2011 Entered comment that enabling iSCSI also enables flow control on all interfaces. Sept 9, 2010 Released to customer Dell PowerConnect 55xx Systems User Guide...

This manual is also suitable for:

Powerconnect 5548 Powerconnect 5548p Powerconnect 5524

Dell PowerConnect 5524P User Manual

1 Preface

2 Features

3 Hardware Description

4 Stacking Overview

5 Configuring the Switch

6 Advanced Switch Configuration

7 Using Dell Openmanage Administrator

8 Network Security

9 Configuring System Information

10 Ports

11 Address Tables

12 Garp

13 Spanning Tree

14 Vlans

15 Link Aggregation

16 Multicast

17 Lldp

18 Dynamic ARP Inspection

19 DHCP Snooping

20 Iscsi Optimization

21 Statistics/Rmon

22 Quality of Service

Glossary

Index

Revision History

Quick Links

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Summary of Contents for Dell PowerConnect 5524P