ip_dhcp_snooping_information_option.html

To enable the insertion and removal of option-82 information for Dynamic Host Configuration Protocol (DHCP) packets, use the ip dhcp snooping information option command. To disable the insertion and removal of option-82 information, use the no form of this command.

Syntax Description

This command has no arguments or keywords.

Command Default

By default, the device does not insert and remove option-82 information.

Command Modes

Global configuration mode

Command History

Release	Modification
5.0(2)N2(1)	This command was introduced.

Usage Guidelines

To use this command, you must enable the DHCP snooping feature using the feature dhcp command.

Examples

This example shows how to globally enable DHCP snooping:

switch# configure terminal

switch(config)# ip dhcp snooping information option

switch(config)#

Related Commands

Command	Description
feature dhcp	Enables the DHCP snooping feature on the device.
ip dhcp snooping	Globally enables DHCP snooping on the device.
ip dhcp snooping trust	Configures an interface as a trusted source of DHCP messages.
ip dhcp snooping vlan	Enables DHCP snooping on the specified VLANs.
show ip dhcp snooping	Displays general information about DHCP snooping.
show running-config dhcp	Displays DHCP snooping configuration, including IP Source Guard configuration.