Quick Reference Guide

DHCP Layer 2 Relay Commands 313
Command Mode
Interface Configuration (Ethernet, Port-channel).
User Guidelines
There are no user guidelines for this command.
Example
console(config-if-Gi1/0/1)#dhcp l2relay
dhcp l2relay circuit-id
Use the dhcp l2relay circuit-id command to enable setting the DHCP
Option 82 Circuit ID for a VLAN. When enabled, the interface number is
added as the Circuit ID in DHCP option 82. Use the no form of this
command to disable setting the DHCP Option 82 Circuit ID.
Syntax
dhcp l2relay circuit-id vlan vlan-range
no dhcp l2relay circuit-id vlan vlan-range
• vlan-range — The list of VLAN IDs.
Default Configuration
Setting the DHCP Option 82 Circuit ID is disabled by default.
Command Mode
Global Configuration
User Guidelines
There are no user guidelines for this command.
Example
console(config)#dhcp l2relay circuit-id vlan 340-350
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