Cisco Catalyst 4500 Series Command Reference Manual page 356

ip dhcp snooping information option
Switch(config)# ip dhcp snooping vlan 500 555
Switch(config)# ip dhcp snooping information option format remote-id string switch123
Switch(config)# interface GigabitEthernet 5/1
Switch(config-if)# ip dhcp snooping trust
Switch(config-if)# ip dhcp snooping limit rate 100
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
Related Commands Command
ip dhcp snooping
ip dhcp snooping binding
ip dhcp snooping information option
ip dhcp snooping limit rate
ip dhcp snooping trust
ip dhcp snooping vlan
ip dhcp snooping vlan information
option format-type circuit-id string
show ip dhcp snooping
show ip dhcp snooping binding
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0SG and IOS 15.1(1)SG)
2-298
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
Description
Globally enables DHCP snooping.
Sets up and generates a DHCP binding configuration to
restore bindings across reboots.
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.
Enables circuit-id (a sub-option of DHCP snooping
option-82) on a VLAN.
Displays the DHCP snooping configuration.
Displays the DHCP snooping binding entries.
OL-25342 -01