Dhcp Relay Release - H3C S5120-SI Series Command Reference Manual

Default Level
2: System level
Parameters
drop: Specifies to drop messages containing Option 82.
keep: Specifies to forward messages containing Option 82 without any change.
replace: Specifies to forward messages containing Option 82 after replacing the original Option 82 with
the Option 82 padded in the specified padding format.
Description
Use the dhcp relay information strategy command to configure DHCP relay agent handling strategy
for messages containing Option 82.
Use the undo dhcp relay information strategy command to restore the default handling strategy.
The handling strategy for messages containing Option 82 defaults to replace.
Related commands: display dhcp relay information.
Examples
# Configure the DHCP relay agent handling strategy for messages containing Option 82 as keep.
<Sysname> system-view
[Sysname] interface vlan-interface 1
[Sysname-Vlan-interface1] dhcp relay information enable
[Sysname-Vlan-interface1] dhcp relay information strategy keep
dhcp relay release ip
Syntax
dhcp relay release ip client-ip
View
System view
Default Level
2: System level
Parameters
client-ip: DHCP client IP address.
Description
Use the dhcp relay release ip command to request the DHCP server to release a specified client IP
address.
Examples
# Request the DHCP server to release the IP address 1.1.1.1.
<Sysname> system-view
[Sysname] dhcp relay release ip 1.1.1.1
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