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Cisco Catalyst 4500 Series Command Reference Guide

Cisco Catalyst 4500 Series
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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
OL-27596 -01
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
ip dhcp snooping vlan
ip dhcp snooping vlan
Use the ip dhcp snooping vlan command to enable DHCP snooping on a VLAN. To disable DHCP
snooping on a VLAN, use the no form of this command.
ip dhcp snooping [vlan number]
no ip dhcp snooping [vlan number]
Syntax Description
Defaults DHCP snooping is disabled.
Command Modes Global configuration mode
Command History
Usage Guidelines DHCP snooping is enabled on a VLAN only if both global snooping and the VLAN snooping are
enabled.
Examples This example shows how to enable DHCP snooping on a VLAN:
Switch(config)# ip dhcp snooping vlan 10
Switch(config)#
This example shows how to disable DHCP snooping on a VLAN:
Switch(config)# no ip dhcp snooping vlan 10
Switch(config)#
This example shows how to enable DHCP snooping on a group of VLANs:
Switch(config)# ip dhcp snooping vlan 10 55
Switch(config)#
This example shows how to disable DHCP snooping on a group of VLANs:
Switch(config)# no ip dhcp snooping vlan 10 55
Switch(config)#
vlan number (Optional) Single VLAN number or a range of VLANs; valid values are from 1
to 4094.
Release Modification
12.1(12c)EW Support for this command was introduced on the Catalyst 4500 series switch.

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Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

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