25-10
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 25 Configuring IPv4 Multicast VPN Support
Configuring MVPN
• Sample Configuration, page 25-13
• Displaying VRF Information, page 25-13
Configuring a VRF Entry
To configure a VRF entry, perform this task:
This example show how to configure a VRF named blue and verify the configuration:
Router# configure terminal
Router(config)# ip vrf blue
Router(config-vrf)# do show ip vrf blue
Name Default RD Interfaces
blue <not set>
Configuring the Route Distinguisher
To configure the route distinguisher, perform this task:
When configuring the route distinguisher, enter the route distinguisher in one of the following formats:
• 16-bit AS number:your 32-bit number (101:3)
• 32-bit IPv4 address:your 16-bit number (192.168.122.15:1)
This example show how to configure 55:1111 as the route distinguisher and verify the configuration:
Router(config-vrf)# rd 55:1111
Router(config-vrf)# do show ip vrf blue
Name Default RD Interfaces
blue 55:1111
Command or Action Purpose
Step 1
Router# configure terminal
Enters global configuration mode.
Step 2
Router(config)# ip vrf
vrf_name
Configures a VRF routing table entry and a Cisco Express
Forwarding (CEF) table entry and enters VRF configuration
mode.
Router(config)# no ip vrf
vrf_name
Deletes the VRF entry.
Step 3
Router(config-vrf)# do show ip vrf
vrf_name
Verifies the configuration.
Command or Action Purpose
Step 1
Router(config-vrf)# rd
route_distinguisher
Specifies the route distinguisher for a VPN IPv4 prefix.
Router(config-vrf)# no rd
route_distinguisher
Deletes the route distinguisher.
Step 2
Router(config-vrf)# do show ip vrf
vrf_name
Verifies the configuration.