Operation Manual

Configuration Guide 558
Configuring Network Security DHCP Snooping Configuration
Step 9 copy running-config startup-config
Save the settings in the configuration file.
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 ten-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 ten-gigabitEthernet
1/0/7
Interface Option 82 Status Operation Strategy Circuit ID Remote ID LAG
--------- ---------------- ------------------ ----------- ------------- -----
Te1/0/7 Enable Replace VLAN20 Host1 N/A
Switch(config-if)#end
Switch#copy running-config startup-config