TP-Link T1600G-18TS Configuration Manual page 582

Configuring Network Security
Step 8
Step 9
The following example shows how to enable Option 82 on port 1/0/7 and configure the
strategy as replace, the circuit-id as VLAN20 and the remote-id as Host1:
Switch#configure
Switch(config)#interface gigabitEthernet 1/0/7
Switch(config-if)#ip dhcp snooping information option
Switch(config-if)#ip dhcp snooping information strategy replace
Switch(config-if)#ip dhcp snooping information circut-id VLAN20
Switch(config-if)#ip dhcp snooping information remote-id Host1
Switch(config-if)#show ip dhcp snooping information interface gigabitEthernet 1/0/7
Interface Option 82 Status Operation Strategy Circuit ID
--------- ----------------
Gi1/0/7 Enable
Switch(config-if)#end
Switch#copy running-config startup-config
end
Return to privileged EXEC mode.
copy running-config startup-config
Save the settings in the configuration file.
------------------
Replace
DHCP Snooping Configuration
Remote ID
------------- -----------------
VLAN20 Host1
Configuration Guide
LAG
-----
N/A
559