Dell S4048T Manuals

Manuals and User Guides for Dell S4048T. We have 1 Dell S4048T manual available for free PDF download: Configuration Manual

Dell S4048T Configuration Manual (1277 pages)

ON System

Brand: Dell | Category: Switch | Size: 39.28 MB

Table of Contents
3
1 About this Guide

37
- Audience
  37
- Conventions
  37
- Related Documents
  38
2 Configuration Fundamentals

39
- Accessing the Command Line
  39
- CLI Modes
  40
  - Navigating CLI Modes
    41
- The Do Command
  45
- Undoing Commands
  45
- Obtaining Help
  46
- Entering and Editing Commands
  46
- Command History
  47
- Filtering Show Command Outputs
  48
  - Example of the Grep Keyword
    48
- Multiple Users in Configuration Mode
  49
3 Getting Started

50
4 Management

69
802.1Ag

99
- Ethernet CFM
  99
- Maintenance Domains
  100
- Maintenance Points
  101
- Maintenance End Points
  101
- Implementation Information
  102
- Configuring the CFM
  102
  - Related Configuration Tasks
    103
- Enable Ethernet CFM
  103
- Creating a Maintenance Domain
  103
- Creating a Maintenance Association
  104
- Create Maintenance Points
  104
- Continuity Check Messages
  106
  - Enabling CCM
    107
  - Enabling Cross-Checking
    108
- Sending Loopback Messages and Responses
  108
- Sending Linktrace Messages and Responses
  109
  - Caching Link Trace
    110
- Enabling CFM SNMP Traps
  111
- Displaying Ethernet CFM Statistics
  112
802.1X

116
- Port-Authentication Process
  116
  - EAP over RADIUS
    118
- Configuring 802.1X
  118
  - Related Configuration Tasks
    118
- Important Points to Remember
  119
- Enabling 802.1X
  120
- Configuring Request Identity Re-Transmissions
  122
  - Configuring a Quiet Period after a Failed Authentication
    122
- Forcibly Authorizing or Unauthorizing a Port
  123
- Re-Authenticating a Port
  124
- Configuring Timeouts
  125
- Configuring Dynamic VLAN Assignment with Port Authentication
  126
- Guest and Authentication-Fail Vlans
  127
  - Configuring a Guest VLAN
    128
  - Configuring an Authentication-Fail VLAN
    128
7 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)

130
8 Access Control Lists (Acls)

137
- IP Access Control Lists (Acls)
  138
  - CAM Usage
    139
  - Implementing Acls on Dell Networking os
    140
- Important Points to Remember
  141
  - Configuration Task List for Route Maps
    142
  - Configuring Match Routes
    144
  - Configuring Set Conditions
    146
  - Configure a Route Map for Route Redistribution
    147
  - Configure a Route Map for Route Tagging
    147
  - Continue Clause
    148
- IP Fragment Handling
  148
  - IP Fragments ACL Examples
    149
  - Layer 4 ACL Rules Examples
    149
- Configure a Standard IP ACL
  150
  - Configuring a Standard IP ACL Filter
    151
- Configure an Extended IP ACL
  152
  - Configuring Filters with a Sequence Number
    152
  - Configuring Filters Without a Sequence Number
    154
- Configure Layer 2 and Layer 3 Acls
  155
- Assign an IP ACL to an Interface
  155
- Applying an IP ACL
  156
  - Counting ACL Hits
    157
- Configure Ingress Acls
  157
- Configure Egress Acls
  158
  - Applying Egress Layer 3 Acls (Control-Plane)
    159
- IP Prefix Lists
  159
  - Implementation Information
    160
  - Configuration Task List for Prefix Lists
    160
- ACL Resequencing
  164
  - Resequencing an ACL or Prefix List
    165
- Route Maps
  166
  - Implementation Information
    166
- Logging of ACL Processes
  166
  - Guidelines for Configuring ACL Logging
    168
  - Configuring ACL Logging
    168
- Flow-Based Monitoring Support for Acls
  169
  - Behavior of Flow-Based Monitoring
    169
  - Enabling Flow-Based Monitoring
    171
- Configuring UDF ACL
  172
9 Bidirectional Forwarding Detection (BFD)

176
- How BFD Works
  176
  - BFD Packet Format
    178
  - BFD Sessions
    180
  - BFD Three-Way Handshake
    180
  - Session State Changes
    182
- Important Points to Remember
  182
- Configure BFD
  183
  - Configure BFD for Physical Ports
    183
  - Configure BFD for Static Routes
    186
  - Configure BFD for OSPF
    188
  - Configure BFD for Ospfv3
    191
  - Configure BFD for IS-IS
    192
  - Configure BFD for BGP
    195
  - Configure BFD for VRRP
    202
  - Configuring Protocol Liveness
    205
  - Troubleshooting BFD
    205
10 Border Gateway Protocol Ipv4 (Bgpv4)

207
- Autonomous Systems (AS)
  207
- Sessions and Peers
  210
  - Establish a Session
    210
- Route Reflectors
  211
- BGP Attributes
  212
  - Best Path Selection Criteria
    212
  - Weight
    215
  - Local Preference
    215
  - Multi-Exit Discriminators (Meds)
    216
  - Origin
    217
  - AS Path
    217
  - Next Hop
    218
- Multiprotocol BGP
  218
- Implement BGP with Dell Networking os
  219
  - Additional Path (Add-Path) Support
    219
  - Advertise IGP Cost as MED for Redistributed Routes
    219
  - Ignore Router-ID in Best-Path Calculation
    220
  - Four-Byte as Numbers
    220
  - AS4 Number Representation
    221
  - AS Number Migration
    222
  - BGP4 Management Information Base (MIB)
    224
  - Important Points to Remember
    224
- Configuration Information
  225
- BGP Configuration
  226
  - Enabling BGP
    227
  - Configuring AS4 Number Representations
    230
  - Configuring Peer Groups
    232
  - Configuring BGP Fast Fall-Over
    235
  - Configuring Passive Peering
    236
  - Maintaining Existing as Numbers During an as Migration
    237
  - Allowing an as Number to Appear in Its Own as Path
    238
  - Enabling Graceful Restart
    239
  - Enabling Neighbor Graceful Restart
    240
  - Filtering on an AS-Path Attribute
    241
  - Regular Expressions as Filters
    242
  - Redistributing Routes
    244
  - Enabling Additional Paths
    245
  - Configuring IP Community Lists
    245
  - Configuring an IP Extended Community List
    246
  - Filtering Routes with Community Lists
    247
  - Manipulating the COMMUNITY Attribute
    248
  - Changing MED Attributes
    250
  - Changing the LOCAL_PREFERENCE Attribute
    250
  - Configuring the Local System or a Different System to be the Next Hop for BGP-Learned Routes
    251
  - Changing the WEIGHT Attribute
    252
  - Enabling Multipath
    252
  - Filtering BGP Routes
    252
  - Filtering BGP Routes Using Route Maps
    254
  - Filtering BGP Routes Using AS-PATH Information
    255
  - Configuring BGP Route Reflectors
    256
  - Aggregating Routes
    256
  - Configuring BGP Confederations
    257
  - Enabling Route Flap Dampening
    257
  - Changing BGP Timers
    260
  - Enabling BGP Neighbor Soft-Reconfiguration
    261
  - Route Map Continue
    262
- Enabling MBGP Configurations
  263
- BGP Regular Expression Optimization
  263
- Debugging BGP
  264
  - Storing Last and Bad Pdus
    265
  - Capturing Pdus
    266
  - PDU Counters
    267
- Sample Configurations
  267
11 Content Addressable Memory (CAM)

274
- CAM Allocation
  274
- Test CAM Usage
  276
- View CAM-ACL Settings
  277
- View CAM Usage
  279
- CAM Optimization
  279
- Troubleshoot CAM Profiling
  279
  - Qos CAM Region Limitation
    279
12 Control Plane Policing (Copp)

281
- Configure Control Plane Policing
  283
  - Configuring Copp for Protocols
    283
  - Configuring Copp for CPU Queues
    285
  - Copp for Ospfv3 Packets
    286
  - Configuring Copp for Ospfv3
    290
  - Displaying Copp Configuration
    291
13 Data Center Bridging (DCB)

293
14 Dynamic Host Configuration Protocol (DHCP)

343
- DHCP Packet Format and Options
  343
- Assign an IP Address Using DHCP
  345
- Implementation Information
  346
- Configure the System to be a DHCP Server
  347
- Configure the System to be a Relay Agent
  351
- Configure the System to be a DHCP Client
  353
- Configure the System for User Port Stacking (Option 230)
  357
- Configure Secure DHCP
  357
  - Option 82
    357
  - DHCP Snooping
    358
  - Enabling Dhcp Snooping
    359
  - Drop DHCP Packets on Snooped Vlans Only
    362
  - Dynamic ARP Inspection
    362
  - Configuring Dynamic ARP Inspection
    363
  - Statistics Command
    364
- Source Address Validation
  365
15 Equal Cost Multi-Path (ECMP)

368
- ECMP for Flow-Based Affinity
  368
- Link Bundle Monitoring
  369
  - Managing ECMP Group Paths
    370
  - Creating an ECMP Group Bundle
    371
  - Modifying the ECMP Group Threshold
    371
- Rtag7
  372
- Flow-Based Hashing for ECMP
  373
16 FIP Snooping

377
- Fibre Channel over Ethernet
  377
- Ensure Robustness in a Converged Ethernet Network
  377
- FIP Snooping on Ethernet Bridges
  379
- FIP Snooping in a Switch Stack
  382
- Using FIP Snooping
  382
  - FIP Snooping Prerequisites
    382
  - Important Points to Remember
    383
  - Enabling the Fcoe Transit Feature
    384
  - Enable FIP Snooping on Vlans
    384
  - Configure the FC-MAP Value
    384
  - Configure a Port for a Bridge-To-Bridge Link
    385
  - Configure a Port for a Bridge-To-FCF Link
    385
  - Impact on Other Software Features
    385
  - FIP Snooping Restrictions
    386
  - Configuring FIP Snooping
    386
- Displaying FIP Snooping Information
  387
- Fcoe Transit Configuration Example
  393
17 FIPS Cryptography

395
- Configuration Tasks
  395
- Preparing the System
  396
- Enabling FIPS Mode
  396
- Generating Host-Keys
  397
- Monitoring FIPS Mode Status
  397
- Disabling FIPS Mode
  397
18 Force10 Resilient Ring Protocol (FRRP)

399
- Protocol Overview
  399
  - Ring Status
    400
  - Multiple FRRP Rings
    401
  - Important FRRP Points
    402
  - Important FRRP Concepts
    403
- Implementing FRRP
  404
- FRRP Configuration
  405
  - Creating the FRRP Group
    405
  - Configuring the Control VLAN
    405
  - Configuring and Adding the Member Vlans
    406
  - Setting the FRRP Timers
    408
  - Clearing the FRRP Counters
    408
  - Viewing the FRRP Configuration
    408
  - Viewing the FRRP Information
    408
- Troubleshooting FRRP
  409
  - Configuration Checks
    409
- Sample Configuration and Topology
  409
19 GARP VLAN Registration Protocol (GVRP)

412
- Important Points to Remember
  412
- Configure GVRP
  414
  - Related Configuration Tasks
    415
- Enabling GVRP Globally
  415
- Enabling GVRP on a Layer 2 Interface
  415
- Configure GVRP Registration
  416
- Configure a GARP Timer
  416
- RPM Redundancy
  417
20 High Availability (HA)

418
- Component Redundancy
  418
- Pre-Configuring a Stack Unit Slot
  421
- Removing a Provisioned Logical Stack Unit
  421
- Hitless Behavior
  422
- Graceful Restart
  422
- Software Resiliency
  423
  - Software Component Health Monitoring
    423
  - System Health Monitoring
    423
  - Failure and Event Logging
    423
- Hot-Lock Behavior
  424
21 Internet Group Management Protocol (IGMP)

425
22 Interfaces

451
- Basic Interface Configuration
  451
- Advanced Interface Configuration
  451
- Interface Types
  452
- View Basic Interface Information
  453
- Resetting an Interface to Its Factory Default State
  455
- Enabling a Physical Interface
  455
- Physical Interfaces
  456
- Egress Interface Selection (EIS)
  459
  - Important Points to Remember
    459
  - Configuring EIS
    460
- Management Interfaces
  460
  - Configuring Management Interfaces
    460
  - Configuring a Management Interface on an Ethernet Port
    462
- VLAN Interfaces
  463
- Loopback Interfaces
  464
- Null Interfaces
  464
- Port Channel Interfaces
  465
- Bulk Configuration
  473
  - Interface Range
    473
  - Bulk Configuration Examples
    474
- Defining Interface Range Macros
  476
  - Define the Interface Range
    476
  - Choosing an Interface-Range Macro
    476
- Monitoring and Maintaining Interfaces
  476
  - Maintenance Using TDR
    478
- Non Dell-Qualified Transceivers
  478
- Splitting QSFP Ports to SFP+ Ports
  479
- Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port
  480
  - Important Points to Remember
    480
  - Example Scenarios
    481
- Link Dampening
  482
  - Important Points to Remember
    482
  - Enabling Link Dampening
    482
- Link Bundle Monitoring
  484
- Using Ethernet Pause Frames for Flow Control
  485
  - Enabling Pause Frames
    486
- Configure the MTU Size on an Interface
  486
- Port-Pipes
  487
- Auto-Negotiation on Ethernet Interfaces
  488
  - Setting the Speed and Duplex Mode of Ethernet Interfaces
    488
  - Set Auto-Negotiation Options
    490
- View Advanced Interface Information
  490
  - Configuring the Interface Sampling Size
    491
- Dynamic Counters
  493
  - Clearing Interface Counters
    493
23 Internet Protocol Security (Ipsec)

495
- Configuring Ipsec
  496
24 Ipv4 Routing

497
- IP Addresses
  498
  - Implementation Information
    498
- Configuration Tasks for IP Addresses
  498
- Assigning IP Addresses to an Interface
  499
- Configuring Static Routes
  500
- Configure Static Routes for the Management Interface
  501
- Ipv4 Path MTU Discovery Overview
  501
- Using the Configured Source IP Address in ICMP Messages
  502
  - Configuring the ICMP Source Interface
    502
- Configuring the Duration to Establish a TCP Connection
  503
- Enabling Directed Broadcast
  503
- Resolution of Host Names
  504
- Enabling Dynamic Resolution of Host Names
  504
- Specifying the Local System Domain and a List of Domains
  505
- Configuring DNS with Traceroute
  505
- Arp
  506
- Configuration Tasks for ARP
  506
- Configuring Static ARP Entries
  507
- Enabling Proxy ARP
  507
- Clearing ARP Cache
  508
- ARP Learning Via Gratuitous ARP
  508
- Enabling ARP Learning Via Gratuitous ARP
  509
- ARP Learning Via ARP Request
  509
- Configuring ARP Retries
  510
- Icmp
  511
- Configuration Tasks for ICMP
  511
- Enabling ICMP Unreachable Messages
  511
- UDP Helper
  512
  - Configure UDP Helper
    512
  - Important Points to Remember
    512
- Enabling UDP Helper
  512
- Configuring a Broadcast Address
  513
- Configurations Using UDP Helper
  513
- UDP Helper with Broadcast-All Addresses
  514
- UDP Helper with Subnet Broadcast Addresses
  515
- UDP Helper with Configured Broadcast Addresses
  515
- UDP Helper with no Configured Broadcast Addresses
  516
- Troubleshooting UDP Helper
  516
25 Ipv6 Routing

518
- Protocol Overview
  518
  - Extended Address Space
    519
  - Stateless Autoconfiguration
    519
  - Ipv6 Headers
    520
  - Ipv6 Header Fields
    520
  - Extension Header Fields
    522
  - Addressing
    523
- Implementing Ipv6 with Dell Networking os
  524
- Icmpv6
  527
- Path MTU Discovery
  527
- Ipv6 Neighbor Discovery
  528
  - Ipv6 Neighbor Discovery of MTU Packets
    529
- Configuration Task List for Ipv6 RDNSS
  529
- Secure Shell (SSH) over an Ipv6 Transport
  532
- Configuration Tasks for Ipv6
  532
  - Adjusting Your CAM-Profile
    532
  - Assigning an Ipv6 Address to an Interface
    533
  - Assigning a Static Ipv6 Route
    534
  - Configuring Telnet with Ipv6
    534
  - SNMP over Ipv6
    535
  - Displaying Ipv6 Information
    535
  - Displaying an Ipv6 Interface Information
    536
  - Showing Ipv6 Routes
    536
  - Showing the Running-Configuration for an Interface
    538
  - Clearing Ipv6 Routes
    538
- Configuring Ipv6 RA Guard
  539
  - Configuring Ipv6 RA Guard on an Interface
    541
  - Monitoring Ipv6 RA Guard
    541
26 Iscsi Optimization

542
27 Intermediate System to Intermediate System

554
- IS-IS Protocol Overview
  554
- IS-IS Addressing
  555
- Multi-Topology IS-IS
  555
  - Transition Mode
    556
  - Interface Support
    556
  - Adjacencies
    556
- Graceful Restart
  556
  - Timers
    557
- Implementation Information
  557
- Configuration Information
  558
  - Configuration Tasks for IS-IS
    559
  - Configuring the Distance of a Route
    567
  - Changing the IS-Type
    568
  - Redistributing Ipv4 Routes
    570
  - Redistributing Ipv6 Routes
    571
  - Configuring Authentication Passwords
    572
  - Setting the Overload Bit
    573
  - Debugging IS-IS
    573
- IS-IS Metric Styles
  575
- Configure Metric Values
  575
- Sample Configurations
  578
28 Link Aggregation Control Protocol (LACP)

581
- Introduction to Dynamic Lags and LACP
  581
  - Important Points to Remember
    581
  - LACP Modes
    582
  - Configuring LACP Commands
    582
- LACP Configuration Tasks
  583
  - Creating a LAG
    583
  - Configuring the LAG Interfaces as Dynamic
    584
  - Setting the LACP Long Timeout
    584
  - Monitoring and Debugging LACP
    585
- Shared LAG State Tracking
  585
  - Configuring Shared LAG State Tracking
    586
  - Important Points about Shared LAG State Tracking
    588
- LACP Basic Configuration Example
  588
  - Configure a LAG on ALPHA
    588
29 Layer 2

597
- Manage the MAC Address Table
  597
- MAC Learning Limit
  598
- NIC Teaming
  602
- Configure Redundant Pairs
  604
  - Important Points about Configuring Redundant Pairs
    606
- Far-End Failure Detection
  607
  - FEFD State Changes
    608
  - Configuring FEFD
    610
  - Enabling FEFD on an Interface
    611
  - Debugging FEFD
    612
30 Link Layer Discovery Protocol (LLDP)

613
- 802.1AB (LLDP) Overview
  613
  - Protocol Data Units
    613
- Optional Tlvs
  614
  - Management Tlvs
    615
- TIA-1057 (LLDP-MED) Overview
  617
  - TIA Organizationally Specific Tlvs
    617
- Configure LLDP
  622
  - Related Configuration Tasks
    622
  - Important Points to Remember
    622
  - LLDP Compatibility
    622
- CONFIGURATION Versus INTERFACE Configurations
  622
- Enabling LLDP
  623
  - Disabling and Undoing LLDP
    623
- Enabling LLDP on Management Ports
  624
  - Disabling and Undoing LLDP on Management Ports
    624
- Advertising Tlvs
  624
- Viewing the LLDP Configuration
  626
- Viewing Information Advertised by Adjacent LLDP Agents
  626
- Configuring LLDPDU Intervals
  627
- Configuring Transmit and Receive Mode
  628
- Configuring the Time to Live Value
  629
- Debugging LLDP
  630
- Relevant Management Objects
  631
31 Microsoft Network Load Balancing

637
- NLB Unicast Mode Scenario
  637
- NLB Multicast Mode Scenario
  638
- Limitations of the NLB Feature
  638
- Microsoft Clustering
  638
- Enable and Disable VLAN Flooding
  639
- Configuring a Switch for NLB
  639
  - Enabling a Switch for Multicast NLB
    639
32 Multicast Source Discovery Protocol (MSDP)

641
- Protocol Overview
  641
- Anycast RP
  644
- Implementation Information
  644
- Configure Multicast Source Discovery Protocol
  644
  - Related Configuration Tasks
    645
- Enable MSDP
  649
- Manage the Source-Active Cache
  650
- Accept Source-Active Messages that Fail the RFP Check
  652
- Specifying Source-Active Messages
  655
- Limiting the Source-Active Messages from a Peer
  656
- Preventing MSDP from Caching a Local Source
  656
- Preventing MSDP from Caching a Remote Source
  657
- Preventing MSDP from Advertising a Local Source
  658
- Logging Changes in Peership States
  659
- Terminating a Peership
  659
- Clearing Peer Statistics
  660
- Debugging MSDP
  660
- MSDP with Anycast RP
  661
- Configuring Anycast RP
  662
  - Reducing Source-Active Message Flooding
    663
  - Specifying the RP Address Used in SA Messages
    663
- MSDP Sample Configurations
  666
33 Multiple Spanning Tree Protocol (MSTP)

669
34 Multicast Features

686
- Enabling IP Multicast
  686
- Implementation Information
  686
- Multicast Policies
  687
  - Ipv4 Multicast Policies
    687
35 Object Tracking

695
- Object Tracking Overview
  695
  - Track Layer 2 Interfaces
    696
  - Track Layer 3 Interfaces
    697
  - Track Ipv4 and Ipv6 Routes
    697
  - Set Tracking Delays
    698
  - VRRP Object Tracking
    698
- Object Tracking Configuration
  699
  - Tracking a Layer 2 Interface
    699
  - Tracking a Layer 3 Interface
    700
  - Track an Ipv4/Ipv6 Route
    702
- Displaying Tracked Objects
  706
36 Open Shortest Path First (Ospfv2 and Ospfv3)

708
- Protocol Overview
  708
  - Autonomous System (AS) Areas
    709
  - Area Types
    710
  - Networks and Neighbors
    710
  - Router Types
    710
  - Designated and Backup Designated Routers
    712
  - Link-State Advertisements (Lsas)
    713
  - Router Priority and Cost
    714
- OSPF with Dell Networking os
  715
  - Graceful Restart
    716
  - Fast Convergence (Ospfv2, Ipv4 Only)
    717
  - Multi-Process Ospfv2 with VRF
    717
  - OSPF ACK Packing
    718
  - Setting OSPF Adjacency with Cisco Routers
    718
- Configuration Information
  719
- Configuration Task List for Ospfv3 (OSPF for Ipv6)
  750
  - Enabling Ipv6 Unicast Routing
    751
  - Applying Cost for Ospfv3
    751
  - Assigning Ipv6 Addresses on an Interface
    751
  - Assigning Area ID on an Interface
    752
  - Assigning Ospfv3 Process ID and Router ID Globally
    752
  - Assigning Ospfv3 Process ID and Router ID to a VRF
    753
  - Configuring Stub Areas
    753
  - Configuring Passive-Interface
    754
  - Redistributing Routes
    754
  - Configuring a Default Route
    755
  - Enabling Ospfv3 Graceful Restart
    755
  - Ospfv3 Authentication Using Ipsec
    757
  - Troubleshooting Ospfv3
    765
37 Policy-Based Routing (PBR)

767
- Overview
  767
- Implementing PBR
  768
- Configuration Task List for Policy-Based Routing
  769
- Sample Configuration
  774
  - 2/11View Redirect-List GOLD
    776
38 PIM Sparse-Mode (PIM-SM)

779
- Implementation Information
  779
- Protocol Overview
  779
  - Requesting Multicast Traffic
    779
  - Refuse Multicast Traffic
    780
  - Send Multicast Traffic
    780
- Configuring PIM-SM
  781
  - Related Configuration Tasks
    781
- Enable PIM-SM
  781
- Configuring S,G Expiry Timers
  782
- Configuring a Static Rendezvous Point
  783
  - Overriding Bootstrap Router Updates
    784
- Configuring a Designated Router
  784
- Creating Multicast Boundaries and Domains
  785
39 PIM Source-Specific Mode (PIM-SSM)

786
- Implementation Information
  786
  - Important Points to Remember
    787
- Configure PIM-SSM
  787
  - Related Configuration Tasks
    787
- Enabling PIM-SSM
  787
- Use PIM-SSM with IGMP Version 2 Hosts
  788
  - Configuring PIM-SSM with Igmpv2
    788
40 Port Monitoring

791
41 Private Vlans (PVLAN)

809
- Private VLAN Concepts
  809
- Using the Private VLAN Commands
  810
- Configuration Task List
  811
  - Creating PVLAN Ports
    812
  - Creating a Primary VLAN
    813
  - Creating a Community VLAN
    814
  - Creating an Isolated VLAN
    814
- Private VLAN Configuration Example
  816
- Inspecting the Private VLAN Configuration
  817
42 Per-VLAN Spanning Tree Plus (PVST+)

820
- Protocol Overview
  820
- Implementation Information
  821
- Configure Per-VLAN Spanning Tree Plus
  822
  - Related Configuration Tasks
    822
- Enabling PVST
  822
- Disabling PVST
  823
- Influencing PVST+ Root Selection
  824
- Modifying Global PVST+ Parameters
  825
- Modifying Interface PVST+ Parameters
  826
- Configuring an Edgeport
  827
- PVST+ in Multi-Vendor Networks
  828
- Enabling PVST+ Extend System ID
  828
- PVST+ Sample Configurations
  829
43 Quality of Service (Qos)

832
44 Routing Information Protocol (RIP)

873
- Protocol Overview
  873
  - Ripv1
    873
  - Ripv2
    874
- Implementation Information
  874
- Configuration Information
  874
  - Configuration Task List
    875
  - RIP Configuration Example
    881
45 Remote Monitoring (RMON)

887
- Implementation Information
  887
- Fault Recovery
  888
  - Setting the RMON Alarm
    888
  - Configuring an RMON Event
    889
  - Configuring RMON Collection Statistics
    890
  - Configuring the RMON Collection History
    890
46 Rapid Spanning Tree Protocol (RSTP)

892
47 Software-Defined Networking (SDN)

902
48 Security

903
- AAA Accounting
  903
  - Configuration Task List for AAA Accounting
    903
- AAA Authentication
  906
  - Configuration Task List for AAA Authentication
    906
- Obscuring Passwords and Keys
  909
- AAA Authorization
  910
  - Privilege Levels Overview
    910
  - Configuration Task List for Privilege Levels
    910
- Radius
  915
  - RADIUS Authentication
    915
  - Configuration Task List for RADIUS
    916
  - Monitoring Radius
    919
- Tacacs
  920
  - Configuration Task List for TACACS
    920
  - Monitoring Tacacs
    921
  - TACACS+ Remote Authentication
    922
  - Command Authorization
    923
- Protection from TCP Tiny and Overlapping Fragment Attacks
  923
- Enabling SCP and SSH
  923
- Telnet
  931
- VTY Line and Access-Class Configuration
  932
- Role-Based Access Control
  934
  - Overview of RBAC
    935
  - User Roles
    937
  - AAA Authentication and Authorization for Roles
    941
  - Role Accounting
    944
  - Display Information about User Roles
    945
49 Service Provider Bridging

947
- VLAN Stacking
  947
- VLAN Stacking Packet Drop Precedence
  957
- Dynamic Mode Cos for VLAN Stacking
  960
  - Mapping C-Tag to S-Tag Dot1P Values
    961
- Layer 2 Protocol Tunneling
  962
- Provider Backbone Bridging
  967
50 Sflow

969
- Overview
  969
- Implementation Information
  970
  - Important Points to Remember
    970
- Enabling Extended Sflow
  971
- Enabling and Disabling Sflow on an Interface
  972
- Enabling Sflow Max-Header Size Extended
  972
- Sflow Show Commands
  973
- Configuring Specify Collectors
  975
- Changing the Polling Intervals
  975
- Back-Off Mechanism
  976
- Sflow on LAG Ports
  976
- Enabling Extended Sflow
  976
  - Important Points to Remember
    977
51 Simple Network Management Protocol (SNMP)

979
52 Stacking

1011
- Stacking Overview
  1011
  - Stack Management Roles
    1011
  - Stack Master Election
    1012
  - Virtual IP
    1014
  - Failover Roles
    1015
  - MAC Addressing on Stacks
    1015
  - Stacking LAG
    1016
  - Supported Stacking Topologies
    1017
  - High Availability on Stacks
    1017
  - Management Access on Stacks
    1018
  - Mixed-Mode Stacking
    1019
- Important Points to Remember
  1021
- Stacking Installation Tasks
  1021
  - Create a Stack
    1021
  - Add Units to an Existing Stack
    1026
  - Split a Stack
    1029
- Stacking Configuration Tasks
  1029
  - Assigning Unit Numbers to Units in an Stack
    1030
  - Creating a Virtual Stack Unit on a Stack
    1030
  - Displaying Information about a Stack
    1030
  - Influencing Management Unit Selection on a Stack
    1033
  - Managing Redundancy on a Stack
    1034
  - Resetting a Unit on a Stack
    1034
  - Enabling Mixed-Mode Stacking
    1035
- Verify a Stack Configuration
  1035
  - Displaying the Status of Stacking Ports
    1035
- Remove Units or Front End Ports from a Stack
  1037
  - Removing a Unit from a Stack
    1037
  - Removing Front End Port Stacking
    1038
- Troubleshoot a Stack
  1039
  - Recover from Stack Link Flaps
    1039
  - Recover from a Card Problem State on a Stack
    1039
53 Storm Control

1041
- Configure Storm Control
  1041
  - Configuring Storm Control from INTERFACE Mode
    1042
  - Configuring Storm Control from CONFIGURATION Mode
    1042
54 Spanning Tree Protocol (STP)

1044
- Protocol Overview
  1044
- Configure Spanning Tree
  1045
  - Related Configuration Tasks
    1045
- Important Points to Remember
  1045
- Configuring Interfaces for Layer 2 Mode
  1046
- Enabling Spanning Tree Protocol Globally
  1047
- Adding an Interface to the Spanning Tree Group
  1050
- Modifying Global Parameters
  1050
- Modifying Interface STP Parameters
  1051
- Enabling Portfast
  1052
  - Prevent Network Disruptions with BPDU Guard
    1053
- Selecting STP Root
  1055
- STP Root Guard
  1055
  - Root Guard Scenario
    1056
  - Configuring Root Guard
    1057
- Enabling SNMP Traps for Root Elections and Topology Changes
  1057
- Configuring Spanning Trees as Hitless
  1058
- STP Loop Guard
  1058
  - Configuring Loop Guard
    1059
- Displaying STP Guard Configuration
  1060
55 Supportassist

1062
- Configuring Supportassist Using a Configuration Wizard
  1063
- Configuring Supportassist Manually
  1063
- Configuring Supportassist Activity
  1065
- Configuring Supportassist Company
  1067
- Configuring Supportassist Person
  1068
- Configuring Supportassist Server
  1069
- Viewing Supportassist Configuration
  1069
56 System Time and Date

1072
- Network Time Protocol
  1072
  - Protocol Overview
    1073
  - Configure the Network Time Protocol
    1074
  - Enabling NTP
    1074
  - Configuring NTP Broadcasts
    1075
  - Disabling NTP on an Interface
    1075
  - Configuring a Source IP Address for NTP Packets
    1076
  - Configuring NTP Authentication
    1076
- Dell Networking os Time and Date
  1080
  - Configuration Task List
    1080
  - Setting the Time and Date for the Switch Software Clock
    1080
  - Setting the Timezone
    1081
  - Set Daylight Saving Time
    1081
  - Setting Daylight Saving Time Once
    1081
  - Setting Recurring Daylight Saving Time
    1082
57 Tunneling

1084
- Configuring a Tunnel
  1084
- Configuring Tunnel Keepalive Settings
  1085
- Configuring a Tunnel Interface
  1086
- Configuring Tunnel Allow-Remote Decapsulation
  1086
- Configuring the Tunnel Source Anylocal
  1087
58 Uplink Failure Detection (UFD)

1088
- Feature Description
  1088
- How Uplink Failure Detection Works
  1089
- UFD and NIC Teaming
  1090
- Important Points to Remember
  1091
- Configuring Uplink Failure Detection
  1091
- Clearing a UFD-Disabled Interface
  1093
- Displaying Uplink Failure Detection
  1094
- Sample Configuration: Uplink Failure Detection
  1096
59 Upgrade Procedures

1098
- Get Help with Upgrades
  1098
60 Virtual Lans (Vlans)

1099
- Default VLAN
  1100
- Port-Based Vlans
  1100
- Vlans and Port Tagging
  1101
- Configuration Task List
  1101
  - Creating a Port-Based VLAN
    1102
  - Assigning Interfaces to a VLAN
    1102
  - Moving Untagged Interfaces
    1104
  - Assigning an IP Address to a VLAN
    1105
- Configuring Native Vlans
  1105
- Enabling Null VLAN as the Default VLAN
  1106
61 VLT Proxy Gateway

1107
- Proxy Gateway in VLT Domains
  1107
- Configuring an LLDP VLT Proxy Gateway
  1112
- Configuring a Static VLT Proxy Gateway
  1113
62 Virtual Link Trunking (VLT)

1114
- Overview
  1114
  - VLT on Core Switches
    1115
  - Enhanced VLT
    1116
- VLT Terminology
  1116
- Configure Virtual Link Trunking
  1117
  - Important Points to Remember
    1117
  - Configuration Notes
    1118
  - Primary and Secondary VLT Peers
    1122
  - RSTP and VLT
    1122
  - VLT Bandwidth Monitoring
    1123
  - VLT and Stacking
    1123
  - VLT and IGMP Snooping
    1123
  - VLT Ipv6
    1123
  - VLT Port Delayed Restoration
    1124
  - PIM-Sparse Mode Support on VLT
    1125
  - VLT Routing
    1126
  - Non-VLT ARP Sync
    1129
- RSTP Configuration
  1129
  - Preventing Forwarding Loops in a VLT Domain
    1129
  - Sample RSTP Configuration
    1130
  - Configuring VLT
    1130
- PVST+ Configuration
  1142
  - Sample PVST+ Configuration
    1142
- Evlt Configuration Example
  1143
  - Evlt Configuration Step Examples
    1144
- PIM-Sparse Mode Configuration Example
  1146
- Verifying a VLT Configuration
  1147
- Additional VLT Sample Configurations
  1150
- Troubleshooting VLT
  1152
- Reconfiguring Stacked Switches as VLT
  1154
- Specifying VLT Nodes in a PVLAN
  1154
- Configuring a VLT VLAN or LAG in a PVLAN
  1159
  - Creating a VLT LAG or a VLT VLAN
    1159
  - Associating the VLT LAG or VLT VLAN in a PVLAN
    1160
- Proxy ARP Capability on VLT Peer Nodes
  1161
  - Working of Proxy ARP for VLT Peer Nodes
    1162
- VLT Nodes as Rendezvous Points for Multicast Resiliency
  1163
- Configuring VLAN-Stack over VLT
  1164
- Ipv6 Peer Routing in VLT Domains Overview
  1167
63 Virtual Extensible LAN (VXLAN)

1174
- Overview
  1174
- Components of VXLAN Network
  1175
- Functional Overview of VXLAN Gateway
  1176
- VXLAN Frame Format
  1176
  - Components of VXLAN Frame Format
    1177
- Configuring and Controlling VXLAN from the NVP Controller GUI
  1178
- Configuring Vxlan Gateway
  1181
  - Connecting to an NVP Controller
    1181
  - Advertising VXLAN Access Ports to Controller
    1182
- Displaying VXLAN Configurations
  1184
- VXLAN Service Nodes for BFD
  1185
  - Examples of the Show Bfd Neighbors Command
    1185
64 Virtual Routing and Forwarding (VRF)

1186
- VRF Overview
  1186
- VRF Configuration Notes
  1187
  - Dhcp
    1190
- VRF Configuration
  1190
  - Loading VRF CAM
    1190
  - Creating a Non-Default VRF Instance
    1190
  - Assigning an Interface to a VRF
    1191
  - Assigning a Front-End Port to a Management VRF
    1191
  - View VRF Instance Information
    1192
  - Assigning an OSPF Process to a VRF Instance
    1192
  - Configuring VRRP on a VRF Instance
    1192
  - Configuring Management VRF
    1193
  - Configuring a Static Route
    1194
- Sample VRF Configuration
  1195
- Route Leaking Vrfs
  1201
- Dynamic Route Leaking
  1202
  - Configuring Route Leaking Without Filtering Criteria
    1202
  - Configuring Route Leaking with Filtering
    1205
65 Virtual Router Redundancy Protocol (VRRP)

1209
- VRRP Overview
  1209
- VRRP Benefits
  1210
- VRRP Implementation
  1210
- VRRP Configuration
  1211
  - Configuration Task List
    1211
    
    Creating a Virtual Router
    1212
    
    Configuring Vrrp Authentication
    1216
  - Setting VRRP Initialization Delay
    1221
- Sample Configurations
  1222
  - VRRP for an Ipv4 Configuration
    1222
  - VRRP in a VRF Configuration
    1227
  - VRRP for Ipv6 Configuration
    1232
66 Debugging and Diagnostics

1237
- Offline Diagnostics
  1237
  - Important Points to Remember
    1237
  - Running Offline Diagnostics
    1237
- Trace Logs
  1241
- Auto Save on Crash or Rollover
  1241
- Last Restart Reason
  1241
- Hardware Watchdog Timer
  1241
- Using the Show Hardware Commands
  1242
- Enabling Environmental Monitoring
  1243
- Buffer Tuning
  1247
  - Deciding to Tune Buffers
    1248
  - Using a Pre-Defined Buffer Profile
    1251
  - Sample Buffer Profile Configuration
    1251
- Troubleshooting Packet Loss
  1252
  - Displaying Drop Counters
    1252
  - Dataplane Statistics
    1256
  - Display Stack Port Statistics
    1257
  - Display Stack Member Counters
    1257
- Enabling Application Core Dumps
  1260
- Mini Core Dumps
  1261
- Enabling TCP Dumps
  1262
67 Standards Compliance

1263
- IEEE Compliance
  1263
- RFC and I-D Compliance
  1264
  - General Internet Protocols
    1264
  - General Ipv4 Protocols
    1265
  - General Ipv6 Protocols
    1267
  - Border Gateway Protocol (BGP)
    1269
  - Open Shortest Path First (OSPF)
    1270
  - Intermediate System to Intermediate System (IS-IS)
    1270
  - Routing Information Protocol (RIP)
    1271
  - Multicast
    1271
  - Network Management
    1272
- MIB Location
  1277

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Dell S4048T Manuals

Dell S4048T Configuration Manual (1277 pages)

Table of Contents

1 About this Guide

2 Configuration Fundamentals

3 Getting Started

4 Management

802.1Ag

802.1X

7 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)

8 Access Control Lists (Acls)

9 Bidirectional Forwarding Detection (BFD)

10 Border Gateway Protocol Ipv4 (Bgpv4)

11 Content Addressable Memory (CAM)

12 Control Plane Policing (Copp)

13 Data Center Bridging (DCB)

14 Dynamic Host Configuration Protocol (DHCP)

15 Equal Cost Multi-Path (ECMP)

16 FIP Snooping

17 FIPS Cryptography

18 Force10 Resilient Ring Protocol (FRRP)

19 GARP VLAN Registration Protocol (GVRP)

20 High Availability (HA)

21 Internet Group Management Protocol (IGMP)

22 Interfaces

23 Internet Protocol Security (Ipsec)

24 Ipv4 Routing

25 Ipv6 Routing

26 Iscsi Optimization

27 Intermediate System to Intermediate System

28 Link Aggregation Control Protocol (LACP)

29 Layer 2

30 Link Layer Discovery Protocol (LLDP)

31 Microsoft Network Load Balancing

32 Multicast Source Discovery Protocol (MSDP)

33 Multiple Spanning Tree Protocol (MSTP)

34 Multicast Features

35 Object Tracking

36 Open Shortest Path First (Ospfv2 and Ospfv3)

37 Policy-Based Routing (PBR)

38 PIM Sparse-Mode (PIM-SM)

39 PIM Source-Specific Mode (PIM-SSM)

40 Port Monitoring

41 Private Vlans (PVLAN)

42 Per-VLAN Spanning Tree Plus (PVST+)

43 Quality of Service (Qos)

44 Routing Information Protocol (RIP)

45 Remote Monitoring (RMON)

46 Rapid Spanning Tree Protocol (RSTP)

47 Software-Defined Networking (SDN)

48 Security

49 Service Provider Bridging

50 Sflow

51 Simple Network Management Protocol (SNMP)

52 Stacking

53 Storm Control

54 Spanning Tree Protocol (STP)

55 Supportassist

56 System Time and Date

57 Tunneling

58 Uplink Failure Detection (UFD)

59 Upgrade Procedures

60 Virtual Lans (Vlans)

61 VLT Proxy Gateway

62 Virtual Link Trunking (VLT)

63 Virtual Extensible LAN (VXLAN)

64 Virtual Routing and Forwarding (VRF)

65 Virtual Router Redundancy Protocol (VRRP)

66 Debugging and Diagnostics

67 Standards Compliance

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