RP/0/RSP0/CPU0:router(config-l2vpn)#
Enters L2VPN configuration mode.
Step 3 bridge group bridge-group-name
Example:
RP/0/RSP0/CPU0:router(config-l2vpn)# bridge group csco
RP/0/RSP0/CPU0:router(config-l2vpn-bg)#
Assigns each network interface to a bridge group and enters L2VPN bridge group configuration mode.
Step 4 bridge-domain bridge-domain-name
Example:
RP/0/RSP0/CPU0:router(config-l2vpn-bg)# bridge-domain abc
RP/0/RSP0/CPU0:router(config-l2vpn-bg-bd)#
Establishes a bridge domain and enters L2VPN bridge group bridge domain configuration mode.
Step 5 dhcp ipv4 snoop { profile profile-name }
Example:
RP/0/RSP0/CPU0:router(config-l2vpn-bg-bd)# dhcp ipv4 snoop profile attach
Enables DHCP snooping on a bridge and attaches DHCP snooping profile to the bridge.
• Use the profile keyword to attach a DHCP profile. The profile-name argument is the profile name for DHCPv4
snooping.
Step 6 Use the commit or end command.
commit - Saves the configuration changes and remains within the configuration session.
end - Prompts user to take one of these actions:
• Yes - Saves configuration changes and exits the configuration session.
• No - Exits the configuration session without committing the configuration changes.
• Cancel - Remains in the configuration mode, without committing the configuration changes.
Configuring a Layer 2 Virtual Forwarding Instance
These topics describe how to configure a Layer 2 virtual forwarding instance (VFI):
Creating the Virtual Forwarding Instance
Perform this task to create a Layer 2 Virtual Forwarding Instance (VFI) on all provider edge devices under
the bridge domain.
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
242
Implementing Multipoint Layer 2 Services
Configuring a Layer 2 Virtual Forwarding Instance
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