Configuration Guide DHCP Snooping Commands
14.16 ip dhcp snooping vlan information option change-vlan-to vlan
Use this command to enable the option82 sub-option circuit-id and change the VLAN in the circuit-id
into the specified VLAN.
Use the no form of this command to restore the default setting.
ip dhcp snooping vlan vlan-id information option change-vlan-to vlan vlan-id
no ip dhcp snooping vlan vlan-id information option change-vlan-to vlan vlan-id
The ID of the VLAN to be replaced
This function is disabled by default.
Interface configuration mode
With this command configured, the option82 is added to the DHCP request packets, the circuit-id in
the option82 information is the specified VLAN and the DHCP server will assign the addresses
according to the option82 information.
The following adds the option82 to the DHCP request packets and changes the VLAN 4094 in the
option82 sub-option circuit-id to VLAN93:
Ruijie# configure terminal
Ruijie(config)# interface fastEthernet 0/1
Ruijie(config-if)# ip dhcp snooping vlan 4094 information option
change-vlan-to vlan 4093
Ruijie(config-if)# end