R3 show ip ospf | be Area 2 R5 debug ip ospf adj R3 conf t router ospf 3 area 2 stub ! show ip ospf | be Area 2 R6 show ip route 0.0.0.0 conf t router ospf 6 area 2 stub ! show ip route 4.4.4.4 show ip route 0.0.0.0 R5 un all show ip route 0.0.0.0 conf t router ospf 5 area 2 stub ! show ip route 6.6.6.6 show ip route 0.0.0.0 R4 conf t router ospf 4 area 2 stub R6 show ip route 4.4.4.4 show ip route 0.0.0.0