Users Guide

ip vrf source-vrf-name
ip vrf VRF-A
2. Configure the IP prefix.
CONFIGURATION
ip prefix-list prefix-list-name {permit | deny} ip-address
ip prefix-list abc permit 20.0.0.0/24
or
ip prefix-list abc deny 20.0.0.0/24
3. Configure the route-map.
CONFIGURATION
route-map route-map-name
route-map xyz
4. Associate the prefix list to the route-map.
CONFIGURATION
route-map route-map-name {permit | deny} rule
match ip address prefix-list prefix-list-name
route-map xyz permit 10
match ip address prefix-list abc
or
route-map xyz deny 10
match ip address prefix-list abc
5. Export the routes from a VRF instance using route maps.
VRF CONFIGURATION
ip route-export route-target route-map-name route-map-name
ip route-export 1:1 route-map xyz
6. Enter the destination VRf instance into which you want to leak the routes using route maps.
CONFIGURATION
ip vrf destination-vrf-name
ip vrf VRF-B
7. Import these leaked routes into another VRF instance.
VRF CONFIGURATION
ip route-import route-target
ip route-import 1:1
OS10(config)#interface ethernet 1/1/1
OS10(conf-if-eth1/1/1)# ip vrf forwarding VRF1
OS10(conf-if-eth1/1/1)# ip address 120.0.0.1/24
OS10(config)#interface ethernet 1/1/2
OS10(conf-if-eth1/1/2)# ip vrf forwarding VRF2
OS10(conf-if-eth1/1/2)# ip address 140.0.0.1/24
OS10(config)#ip route vrf VRF1 160.0.0.0/24 120.0.0.2
OS10(config)# ip vrf VRF1
OS10(conf-vrf)# ip route-export 1:1
OS10(config)# ip vrf VRF2
OS10(conf-vrf)# ip route-import 1:1
Layer 3
485