izmir#configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

izmir(config)#router ospf 600

izmir(config-router)#network 172.168.1.1 0.0.0.255 area 0

izmir(config-router)#network 10.1.1.0 0.0.0.255 area 0

izmir(config-router)#network 100.1.1.0 0.0.0.255 area 0

izmir(config-router)#exit

izmir(config)#exit

 izmir#sh ip route

Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

       E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default

       U - per-user static route

Gateway of last resort is not set

     10.0.0.0/24 is subnetted, 1 subnets

C       10.1.1.0 is directly connected, Serial0/0

     172.168.0.0/24 is subnetted, 1 subnets

C       172.168.1.0 is directly connected, FastEthernet0/0

     100.0.0.0/24 is subnetted, 1 subnets

C       100.1.1.0 is directly connected, Serial0/1

O    192.168.1.0 [110/64] via 10.1.1.1, 00:02:13, Serial0/0

O    192.165.1.0 [110/64] via 100.1.1.2, 00:00:08, Serial0/1

Gateway of last resort is not set

     100.0.0.0/24 is subnetted, 1 subnets

C       100.1.1.0 is directly connected, Serial0/0

C    192.165.1.0 is directly connected, FastEthernet0/0