Cisco Catalyst 4500 Series Command Reference Manual page 381

Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
Switch(config-if)# ip dhcp snooping vlan 555 information option format-type circuit-id
string customer-555
Switch(config-if)# interface FastEthernet 2/1
Switch(config-if)# ip dhcp snooping vlan 555 information option format-type circuit-id
string customer-500
Switch(config)# end
This example shows how to configure the option-82 circuit-ID override suboption:
Switch(config-if)# ip dhcp snooping vlan 250 information option format-type circuit-id
override string testcustomer
You can verify your settings by entering the show ip dhcp snooping user EXEC command.
The show ip dhcp snooping user EXEC command only displays the global command output, including
Note
a remote-ID configuration. It does not display any per-interface, per-VLAN string that you have
configured for the circuit ID.
Related Commands Command
ip dhcp snooping
ip dhcp snooping information option
ip dhcp snooping limit rate
ip dhcp snooping trust
ip dhcp snooping vlan
show ip dhcp snooping
show ip dhcp snooping binding
OL-27596 -01
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
ip dhcp snooping vlan information option format-type circuit-id string
Description
Globally enables DHCP snooping.
Enables DHCP option 82 data insertion.
Configures the number of the DHCP messages that an
interface can receive per second.
Enables DHCP snooping on a trusted VLAN.
Enables DHCP snooping on a VLAN or a group of VLANs.
Displays the DHCP snooping configuration.
Displays the DHCP snooping binding entries.
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