R3:
ip vrf ONE
rd 300:0
!
ip vrf TWO
rd 300:1
!
interface Ethernet1/0
ip vrf forwarding ONE
ip address 10.0.0.2 255.255.255.252
duplex full
!
interface Ethernet1/1
ip vrf forwarding TWO
ip address 10.0.0.6 255.255.255.252
duplex full
!
interface Ethernet1/2
ip vrf forwarding ONE
ip address 10.0.0.9 255.255.255.252
duplex full
no keepalive
!
interface Ethernet1/3
ip vrf forwarding TWO
ip address 10.0.0.13 255.255.255.252
duplex full
no keepalive
!
router ospf 1 vrf ONE
log-adjacency-changes
capability vrf-lite
redistribute bgp 300 metric 10 subnets
network 10.0.0.8 0.0.0.3 area 100
!
router ospf 2 vrf TWO
log-adjacency-changes
capability vrf-lite
redistribute bgp 300 metric 10 subnets
network 10.0.0.12 0.0.0.3 area 200
!
router bgp 300
[...]
!
R4:
interface FastEthernet0/0
ip address 172.16.0.1 255.255.0.0
duplex full
no keepalive
!
interface Ethernet1/0
ip address 10.0.0.10 255.255.255.252
duplex full
no keepalive
!
interface Ethernet1/1
ip address 10.0.0.14 255.255.255.252
duplex full
no keepalive
!
router ospf 30
router-id 1.1.1.4
log-adjacency-changes
network 10.0.0.8 0.0.0.3 area 100
network 10.0.0.12 0.0.0.3 area 200
network 172.16.0.0 0.0.255.255 area 0
R3#sh ip rou vrf ONE
Routing Table: ONE
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
O IA 172.16.0.0/16 [110/11] via 10.0.0.10, 00:09:48, Ethernet1/2
O E2 192.168.200.0/24 [110/10] via 10.0.0.10, 00:09:32, Ethernet1/2
10.0.0.0/30 is subnetted, 3 subnets
C 10.0.0.8 is directly connected, Ethernet1/2
O IA 10.0.0.12 [110/20] via 10.0.0.10, 00:09:43, Ethernet1/2
C 10.0.0.0 is directly connected, Ethernet1/0
B 192.168.100.0/24 [20/0] via 10.0.0.1, 00:09:54
R3#sh ip rou vrf TWO
Routing Table: TWO
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
O IA 172.16.0.0/16 [110/11] via 10.0.0.14, 00:09:51, Ethernet1/3
B 192.168.200.0/24 [20/0] via 10.0.0.5, 00:09:36
10.0.0.0/30 is subnetted, 3 subnets
O IA 10.0.0.8 [110/20] via 10.0.0.14, 00:09:46, Ethernet1/3
C 10.0.0.12 is directly connected, Ethernet1/3
C 10.0.0.4 is directly connected, Ethernet1/1
O E2 192.168.100.0/24 [110/10] via 10.0.0.14, 00:09:41, Ethernet1/3
R4# sh ip rou
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.4 is directly connected, Loopback1
C 172.16.0.0/16 is directly connected, FastEthernet0/0
O E2 192.168.200.0/24 [110/10] via 10.0.0.13, 00:10:33, Ethernet1/1
10.0.0.0/30 is subnetted, 2 subnets
C 10.0.0.8 is directly connected, Ethernet1/0
C 10.0.0.12 is directly connected, Ethernet1/1
O E2 192.168.100.0/24 [110/10] via 10.0.0.9, 00:10:39, Ethernet1/0