Dhcp Relay Information Enable - 3Com 8807 Command Reference Manual

DHCP Option 82
Configuration
Commands
dhcp relay information
enable
[SW8800]interface vlan1
[3Com-Vlan-interface1] ip relay address 10.9.0.3
Syntax
To enable the option 82 function on a VLAN interface in its VLAN interface view:

dhcp relay information enable

undo dhcp relay information enable
To enable the option 82 function on multiple VLAN interfaces in system view:
dhcp relay information enable { interface vlan-interface vlan-id [ to
vlan-interface vlan-id ] | all }
undo dhcp relay information enable { interface vlan-interface vlan-id [ to
vlan-interface vlan-id ] | all }
View
VLAN interface view, System view
Parameter
vlan-id: ID of the specific VLAN interface.
all: All VLAN interfaces.
Description
Use the dhcp relay information enable command to enable the function of
Option 82 support on DHCP relay.
Use the undo dhcp relay information enable command to disable the function
of Option 82 support on DHCP relay.
By default, this function is disabled.
Related command: dhcp server relay information enable.
Example
# Enable Option 82 support on DHCP relay so that the relay on VLAN interface 1
adds Option 82 into the request packets from the DHCP clients before it sends
these packets to a DHCP server.
<SW8800> system-view
System View: return to User View with Ctrl+Z
[SW8800] interface vlan 1
[3Com-Vlan-interface] dhcp relay information enable
# Disable Option 82 support on DHCP relay
DHCP Option 82 Configuration Commands 855