ip dhcp snooping information option

Enables the insertion of Option-82 information into DHCP snooping packets.

Syntax

ip dhcp snooping information option { allow-untrusted }
no ip dhcp information option { allow-untrusted }

Command Default

By default, Option-82 information is not inserted into snooping packets.

Parameters

allow-untrusted
Globally enables the "Option-82 allow untrusted" feature on the device.

Modes

Interface configuration mode

Usage Guidelines

When you run the command with the allow-untrusted option, the device accepts incoming DHCP packets with Option-82 information on the untrusted port of the DHCP snooping-enabled VLAN.

Use the no ip dhcp snooping information option form of the command to disable the insertion of Option-82 information into snooping packets.

Use the no ip dhcp snooping information option allow-untrusted form of the command to disable the acceptance of Option-82 packets on the untrusted port.