Cisco ASR 9000 Series Reference Guide

dhcp ipv4 snoop profile (VPLS)
To enable DHCP snooping on a bridge and to attach a DHCP snooping profile to the bridge, use the dhcp
ipv4 snoop command in L2VPN bridge group bridge domain configuration mode. To disable DHCP snooping
on an interface, use the no form of this command.
dhcp ipv4 snoop profile profile-name
no dhcp ipv4 snoop
Syntax Description
Attaches a DHCP profile. Profile name for DHCPv4 snooping.
profile profile-name
Command Default
None
Command Modes
L2VPN bridge group bridge domain configuration
Command History
ModificationRelease
This command was introduced.Release 3.7.2
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
Task ID
OperationsTask ID
read, writel2vpn
Examples
The following example shows how to enable DHCP snooping on a bridge:
RP/0/RSP0/CPU0:router# configure
RP/0/RSP0/CPU0:router(config)# l2vpn
RP/0/RSP0/CPU0:router(config-l2vpn)# bridge group 1
RP/0/RSP0/CPU0:router(config-l2vpn-bg)# bridge-domain bar
RP/0/RSP0/CPU0:router(config-l2vpn-bg-bd)# dhcp ipv4 snoop profile attach
This example shows how to enable DHCP snooping over a pseudowire:
RP/0/RSP0/CPU0:router# configure
RP/0/RSP0/CPU0:router(config)# l2vpn
RP/0/RSP0/CPU0:router(config-l2vpn)# bridge group 1
RP/0/RSP0/CPU0:router(config-l2vpn-bg)# bridge-domain bar
Cisco ASR 9000 Series Aggregation Services Router VPN and Ethernet Services Command Reference, Release
6.1.x
249
Multipoint Layer 2 Services Commands
dhcp ipv4 snoop profile (VPLS)

Cisco ASR 9000 Series Specifications

General

Series	ASR 9000
Category	Network Router
Modular Design	Yes
Redundancy	Yes (Hardware and Software)
Operating System	Cisco IOS XR
Interfaces/Ports	10G, 40G, 100G, 400G Ethernet
Expansion Slots	Varies by model
Routing Protocol	BGP, OSPF, IS-IS, EIGRP
Management	CLI, SNMP, NETCONF
Power Supply	Redundant
Port Density	Varies by model
Power Supply Options	AC, DC
Memory	Varies by model
Storage	Varies by model
Dimensions	Varies by model
Weight	Varies by model