============ OSPF network routing table ============ N IA 10.0.10.0/24 [20] area: 0.0.0.1 via 172.16.0.2, r4-eth0 N 172.16.0.0/24 [10] area: 0.0.0.1 directly attached to r4-eth0 N 172.16.1.0/24 [10] area: 0.0.0.1 directly attached to r4-eth1 ============ OSPF router routing table ============= R 10.0.255.3 [10] area: 0.0.0.1, ABR, ASBR via 172.16.0.2, r4-eth0 ============ OSPF external routing table ===========