! hostname r4 password zebra log file /tmp/r1-frr.log ip forwarding ! interface r4-eth0 ip address 10.1.0.4/24 ip ospf network point-to-multipoint ip ospf hello-interval 1 ip ospf dead-interval 30 ! ! interface r4-eth1 ip address 10.1.4.4/24 ip ospf network broadcast ip ospf hello-interval 1 ip ospf dead-interval 30 ! ! router ospf ospf router-id 4.4.4.4 distance 20 network 10.1.0.0/24 area 0 network 10.1.4.0/24 area 0