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