3com MSR 20-20 참조 매뉴얼

C

HAPTER

 52: DHCP R

ELAY

 A

GENT

 C

ONFIGURATION

 C

OMMANDS

replace: Specifies to forward messages containing option 82 after replacing the 
original option 82 with the option 82 padded in the specified padding format.

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.

# Configure the DHCP relay agent handling strategy for messages containing 
option 82 as keep.

<Sysname> system-view

[Sysname] interface ethernet 1/0

[Sysname-Ethernet1/0] dhcp relay information enable

[Sysname-Ethernet1/0] dhcp relay information strategy keep 

dhcp relay release ip client-ip

System view

client-ip: DHCP client IP address.

Use the dhcp relay release ip command to send a release request to a specified 
DHCP server for releasing a specified client IP address.

# Send a release request to the DHCP server for releasing the IP address 1.1.1.1.

<Sysname> system-view

[Sysname] dhcp relay release ip 1.1.1.1 

dhcp relay security static ip-address mac-address [ interface interface-type 
interface-number ]

undo dhcp relay security { ip-address | all | dynamic | static }

System view

ip-address: Specifies a client IP address for creating a static binding.

mac-address: Specifies a client MAC address for creating a static binding, in the 
format H-H-H.