Chap - Asus DS300j G2 Series User Manual

P
ort
A port is the physical point of connection between the ASUS DS300f G2 and the iSCSI network. There are four
ports on each RAID controller for a total of eight on a system with dual controllers. When you create a portal,
you specify one port.
There are two options for each iSCSI port:
• Jumbo Frame – Enables jumbo frame support on the port.
The standard Ethernet frame is 1518 bytes, with 1500 bytes for payload. A jumbo frame ranges from 1500 bytes
to 9000 bytes of payload. Because jumbo frames carry more data, they are used to reduce network management
overhead, thereby increasing network throughput.
t
runk
A trunk is an aggregation of two or more iSCSI ports on the same RAID controller. Also known as a link
aggregation . This feature combines ports to increase bandwidth. Ports must be enabled to add them to a trunk.
Trunks are identified by their Trunk IDs.
When you create a trunk, you specify:
• Controller ID – RAID controller whose iSCSI ports you are using.
• Master port – Any available iSCSI port.
• Slave ports – The remaining available iSCSI ports.
S
eSSIon
A session is a group of TCP connections that link an iSCSI initiator with a target. Each RAID controller supports
a maximum of 128 sessions, or 256 per subsystem.
199
SnS
I
Internet Storage Name Service (iSNS) is a protocol that facilitates automated discovery, management, and
configuration of iSCSI devices on a TCP/IP network. iSNS service runs on an iSNS server on your network.
You can enable iSNS on the ASUS DS300f G2 and specify the IP address and port number of the iSNS server.

chaP

Challenge Handshake Authentication Protocol (CHAP) is an authentication
mechanism used to authenticate iSCSI sessions between initiators and targets.
A uni-directional or peer CHAP authenticates from the target (ASUS DS300f G2) to the initiator (host PC or
server).
A bi-directional or local CHAP authenticates target to initiator and initiator to target .
P
InG
Ping is a computer network administration utility that tests whether a device is accessable over the IP network.
Ping sends echo request packets to the target node, such as your host PC or server, and waits for a response.
It measures the time from transmission to reception and records any packet loss.
ASUS DS300f G2 can ping through its virtual management port and each of its iSCSI data ports. You must input
the IP address of the target client.
DS300f G2 Series User Manual