3com MSR 20-20 참조 매뉴얼

C

HAPTER

 52: DHCP R

ELAY

 A

GENT

 C

ONFIGURATION

 C

OMMANDS

Use the dhcp relay address-check enable command to enable IP address 
match check on the relay agent.

Use the dhcp relay address-check disable command to disable IP address 
match check on the relay agent.

By default, the function is disabled.

Note that this command can be executed only on Layer 3 Ethernet interfaces 
(including sub-interfaces) and VLAN interfaces.

# Enable IP address match checking on the DHCP relay agent.

<Sysname> system-view

[Sysname] interface ethernet 1/0

[Sysname-Ethernet1/0] dhcp relay address-check enable 

Interface view

None

Use the dhcp relay information enable command to enable the relay agent to 
support option 82.

Use the undo dhcp relay information enable command to disable option 82 
support.

By default, option 82 support is disabled on DHCP relay agent.

# Enable option 82 support on the relay agent.

<Sysname> system-view

[Sysname] interface ethernet 1/0

[Sysname-Ethernet1/0] dhcp relay information enable 

dhcp relay information format { normal | verbose [ node-identifier { mac | 
sysname | user-defined node-identifier } ] }

undo dhcp relay information format [ verbose node-identifier ]

Interface view