============ 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 ===========
