3Com Switch 7750 Series
Command Reference Guide – DHCP Chapter 2 DHCP Relay Configuration Commands
2-4
Related command: dhcp relay information strategy.
Example
# Enable option 82 supporting on a DHCP relay.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] dhcp relay information enable
2.1.5 dhcp relay information strategy Syntax
dhcp relay information strategy { drop | keep | replace }
undo dhcp relay information strategy
View
System view
Parameter
drop: Specifies to discard the DHCP request packets that carry option 82.
keep: Specifies to remain the DHCP request packets that carry option 82 unchanged.
replace: Specifies to replace the option 82 carried by a DHCP request packet with that
of the DHCP relay.
Description
Use the dhcp relay information strategy command to instruct a DHCP relay to
perform specified operations to DHCP request packets that carry option 82.
Use the undo dhcp relay information strategy command to instruct a DHCP relay to
perform the default operations to DHCP request packets that carry option 82.
By default, the DHCP relay replaces the option 82 carried by a DHCP request packet
with its own option 82.
dhcp relay information enable
Example
# Instruct the DHCP relay to drop the DHCP request packets that carry option 82.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] dhcp relay information strategy drop