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DELL PC6224F User Manual

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DHCP Layer 2 Relay Commands
259
dhcp l2relay trust
Use the dhcp l2relay trust command to configure an interface to mandate 
Option-82 on receiving DHCP packets.
Syntax
dhcp l2relay trust
no dhcp l2relay trust
Default Configuration
DHCP Option 82 is discarded by default.
Configuration Mode
Interface Configuration (Ethernet).
User Guidelines
There are no user guidelines for this command.
Example
console(config-if-1/g1)#dhcp l2relay trust
dhcp l2relay vlan
Use the dhcp l2relay vlan command to enable the L2 DHCP Relay agent for 
a set of VLANs. All DHCP packets which arrive on interfaces in the 
configured VLAN are subject to L2 Relay processing. Use the "no" form of 
this command to disable L2 DHCP Relay for a set of VLANs.
Syntax
dhcp l2relay vlan 
vlan-range
no dhcp l2relay vlan 
vlan-range
• vlan-range - The list of VLAN IDs.