Cisco CATALYST 2960 Command Reference Guide

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Catalyst 2960 Switch Command Reference
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Chapter 2 Catalyst 2960 Switch Cisco IOS Commands
ip dhcp snooping vlan
ip dhcp snooping vlan
Use the ip dhcp snooping vlan global configuration command to enable DHCP snooping on a VLAN.
Use the no form of this command to return to the default setting.
ip dhcp snooping vlan vlan-range
no ip dhcp snooping vlan vlan-range
Syntax Description
Defaults DHCP snooping is disabled on all VLANs.
Command Modes Global configuration
Command History
Usage Guidelines You must first globally enable DHCP snooping before enabling DHCP snooping on a VLAN.
Examples This example shows how to enable DHCP snooping on VLAN 10:
Switch(config)# ip dhcp snooping vlan 10
You can verify your settings by entering the show ip dhcp snooping user EXEC command.
Related Commands
vlan vlan-range Specify a VLAN ID or a range of VLANs on which to enable DHCP snooping. The
range is 1 to 4094.
You can enter a single VLAN ID identified by VLAN ID number, a series of VLAN
IDs separated by commas, a range of VLAN IDs separated by hyphens, or a range
of VLAN IDs separated by entering the starting and ending VLAN IDs separated
by a space.
Release Modification
12.2(25)FX This command was introduced.
Command Description
show ip dhcp snooping Displays the DHCP snooping configuration.
show ip dhcp snooping binding Displays the DHCP snooping binding information.

Cisco CATALYST 2960 Specifications

General

Manageable	Yes
Stacking	No
Model	Catalyst 2960 Series Switches
Power over Ethernet (PoE)	Available on some models (IEEE 802.3af)
VLANs	255 active VLANs
Features	QoS
Operating Temperature	32 to 113°F (0 to 45°C)
Relative Humidity	10% to 85% non-condensing
Power Consumption	Varies by model (30W to 400W)