Reference Guide

dhcp l2relay circuit-id subscription
This command sets the Option-82 Circuit ID for a given service subscription identified by subscription-
string on a given interface. The subscription-string is a character string which needs to be matched with
a configured DOT1AD subscription string for correct operation. When circuit-id is enabled using this
command, all Client DHCP requests that fall under this service subscription are added with Option-82
circuit-id as the incoming interface number.
Default Disabled
Format dhcp l2relay circuit-id subscription subscription-string
Mode Interface Config
no dhcp l2relay circuit-id subscription
This command resets the Option-82 Circuit ID for a given service subscription identified by
subscription-string on a given interface. The subscription-string is a character string which needs to be
matched with a configured DOT1AD subscription string for correct operation. When circuit-id is disabled
using this command, all Client DHCP requests that fall under this service subscription are no longer
added with Option-82 circuit-id.
Format no dhcp l2relay circuit-id subscription subscription-string
Mode Interface Config
dhcp l2relay circuit-id vlan
This parameter sets the DHCP Option-82 Circuit ID for a VLAN. When enabled, the interface number is
added as the Circuit ID in DHCP option 82.
Format
dhcp l2relay circuit-id vlan vlan-list
Mode Global Config
Parameter Description
vlan–list
The VLAN ID. The range is 1–4093. Separate nonconsecutive IDs with a comma (,) no spaces
and no zeros in between the range. Use a dash (–) for the range.
no dhcp l2relay circuit-id vlan
This parameter clears the DHCP Option-82 Circuit ID for a VLAN.
Format
no dhcp l2relay circuit-id vlan vlan-list
Mode Global Config
Switching Commands
ExtremeSwitching 200 Series: Command Reference Guide for version 01 .02.04.0007 416