Ip Dhcp Snooping Vlan - Cisco Nexus 7000 Series Command Reference Manual

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ip dhcp snooping vlan

To enable DHCP snooping one or more VLANs, use the ip dhcp snooping vlan command. To disable DHCP

snooping on one or more VLANs, use the no form of this command.

ip dhcp snooping vlan vlan-list

no ip dhcp snooping vlan vlan-list

Syntax Description

Command Default

By default, DHCP snooping is not enabled on any VLAN.

Command Modes

Global configuration

Command History

Usage Guidelines

To use this command, you must enable the DHCP snooping feature (see the feature dhcp command).

This command does not require a license.

This example shows how to enable DHCP snooping on VLANs 100, 200, and 250 through 252:

switch# configure terminal

switch(config)# ip dhcp snooping vlan 100,200,250-252

switch(config)#

Related Commands

ip dhcp snooping

ip dhcp snooping information option

Cisco Nexus 7000 Series Security Command Reference

Range of VLANs on which to enable DHCP

snooping. The vlan-list argument allows you to

specify a single VLAN ID, a range of VLAN IDs, or

comma-separated IDs and ranges (see the "Examples"

section). Valid VLAN IDs are from 1 to 4096.

Modification

This command was introduced.

Globally enables DHCP snooping on the device.

Enables the insertion and removal of option-82

information for DHCP packets forwarded without the

use of the DHCP relay agent.