IP DHCP Snooping Commands
ip dhcp snooping vlan information option circuit-id
Cisco 220 Series Smart Plus Switches Command Line Interface Reference Guide Release 1.0.0.x
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Command Mode
Global Configuration mode
User Guidelines
You must first globally enable DHCP snooping on the switch before enabling
DHCP snooping on a VLAN.
Example
switchxxxxxx(config)#
ip dhcp snooping vlan 7
ip dhcp snooping vlan information option circuit-id
To configure the option-82 circuit-ID suboption, use the ip dhcp snooping vlan
information option circuit-id Interface Configuration mode command.
To revert to its default setting, use the no form of this command.
Syntax
ip dhcp snooping vlan
VLAN-LIST
information option circuit-id
STRING
no ip dhcp snooping vlan
VLAN-LIST
information option circuit-id
Parameters
•
VLAN-LIST
—A VLAN ID or a list of VLAN IDs. (Range:1 to 4094)
•
STRING
—A circuit ID, using from 1 to 64 ASCII characters (no spaces).
Default Configuration
N/A
Command Mode
Interface Configuration mode
User Guidelines
You must globally enable DHCP snoopingDHCP snooping on the switch by using
the ip dhcp snooping Global Configuration mode command to apply any DHCP
snooping configuration.