Users Guide

Table Of Contents
BGP 1455
Next, configure OSPF to exchange routes with the other routers. OSPF runs
in the VRFs and area 0 is used within each VRF. Each VRF is configured to
redistribute BGP subnets advertised by S1.
1
Configure router Blue.
S1(config)#router ospf vrf "Blue"
2
A router ID is required.
S1(config-router-vrf-Blue)#router-id 172.18.0.1
3
Configure network as 'don't care'. A non-zero IP address is required.
S1(config-router-vrf-Blue)#network 172.18.0.0 255.255.255.255
area 0
4
Redistribute BGP subnets.
S1(config-router-vrf-Blue)#redistribute bgp subnets
S1(config-router-vrf-Blue)#exit
5
VRF Green and Red are nearly identical to VRF Blue.
S1(config)#router ospf vrf "Green"
S1(config-router-vrf-Green)#router-id 172.17.0.1
S1(config-router-vrf-Green)#network 172.17.0.0 255.255.255.255
area 0
S1(config-router-vrf-Green)#redistribute bgp subnets
S1(config-router-vrf-Green)#exit
S1(config)#router ospf vrf "Red"
S1(config-router-vrf-Red)#router-id 172.16.0.1
S1(config-router-vrf-Red)#network 172.16.0.0 255.255.255.255
area 0
S1(config-router-vrf-Red)#redistribute bgp subnets
S1(config-router-vrf-Red)#exit