log file ospfd.log ! hostname rt5 ! password 1 ! ! debug ospf event ! debug ospf zebra ! interface lo ip ospf area 0.0.0.0 ip ospf hello-interval 2 ip ospf dead-interval 8 ! interface eth-rt2 ip ospf area 0.0.0.0 ip ospf hello-interval 2 ip ospf dead-interval 8 ! interface eth-rt4 ip ospf area 0.0.0.0 ip ospf hello-interval 2 ip ospf dead-interval 8 ! router ospf ospf router-id 5.5.5.5 router-info area 0.0.0.0 !