hostname r1 ! ! debug ospf event ! interface r1-eth1 ip ospf hello-interval 2 ip ospf dead-interval 10 ip ospf priority 20 ! router ospf ospf router-id 192.168.0.1 passive-interface r1-eth0 network 192.168.0.1/32 area 0 network 192.168.100.0/24 area 0 network 192.168.101.0/24 area 0