log file ospfd.log ! ! debug ospf event ! debug ospf zebra ! int r3-eth1 ip ospf hello-interval 2 ip ospf dead-interval 10 ip ospf priority 5 ! int r3-eth2 ip ospf hello-interval 2 ip ospf dead-interval 10 ip ospf priority 5 ! router ospf ospf router-id 192.168.0.3 log-adjacency-changes network 192.168.0.0/20 area 0.0.0.0 timers throttle spf 0 0 0 timers lsa min-arrival 10 timers throttle lsa all 0 refresh timer 10 ! line vty !