Dhcp Relay Release Ip - HP MSR Series Command Reference Manual

Use undo dhcp relay information strategy to restore the default handling strategy.
Syntax
dhcp relay information strategy { drop | keep | replace }
undo dhcp relay information strategy
Default
The handling strategy for messages that contain Option 82 is replace.
Views
Interface view
Predefined user roles
network-admin
Parameters
drop: Drops DHCP messages that contain Option 82 messages.
keep: Keeps the original Option 82 intact.
replace: Replaces the original Option 82 with the configured Option 82.
Usage guidelines
This command takes effect only on DHCP requests that contain Option 82.
For DHCP requests that do not contain Option 82, the DHCP relay agent always adds Option 82 to the
requests before forwarding the requests to the DHCP server.
If the handling strategy is replace, configure a padding mode and padding format for Option 82. If the
handling strategy is keep or drop, you do not need to configure any padding mode or padding format.
The settings do not take effect even if you configure them.
Examples
# Specify the handling strategy for Option 82 as keep.
<Sysname> system-view
[Sysname] interface gigabitethernet 2/0/1
[Sysname-GigabitEthernet2/0/1] dhcp relay information enable
[Sysname-GigabitEthernet2/0/1] dhcp relay information strategy keep
Related commands
• dhcp relay information enable
display dhcp relay information
•

dhcp relay release ip

Use dhcp relay release ip to release a specific client IP address.
Syntax
dhcp relay release ip client-ip [ vpn-instance vpn-instance-name ]
Views
System view
91