Specifications

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Catalyst 4500 Se ries S wit ch C is co IO S C om mand R efer ence —Re lease I OS XE 3 .3.0 XO(1 5.1 (1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
ip dhcp snooping information option
Switch(config-if)# ip dhcp snooping vlan 555 information option format-type circuit-id
string customer-500
Switch(config)# end
Related Commands Command Description
ip dhcp snooping Globally enables DHCP snooping.
ip dhcp snooping binding Sets up and genera tes a DHCP binding config uration to
restore bindings across reboots.
ip dhcp snooping information opt ion Enables DHCP option 82 data insertion.
ip dhcp snooping limit rate Configures the number of the DHCP messages that an
interface can receive per second.
ip dhcp snooping trust Enables DHCP snooping on a trusted VLAN.
ip dhcp snooping vlan Enables DHCP snooping on a VLAN or a gr oup of VLANs.
ip dhcp snooping vlan informatio n
option format-type circuit-id string
Enables circuit-id (a sub-option of DHCP snooping
option-82) on a VLAN.
show ip dhcp snooping Displays the DHCP snooping configuration.
show ip dhcp snooping binding Displays the DHCP snooping binding entries.