enable
configure terminal
!
router ospf 10
 log-adjacency-changes
 passive-interface GigabitEthernet0/0/0
 auto-cost reference-bandwidth 1000
 network 10.0.0.4 0.0.0.3 area 0
 network 10.0.0.8 0.0.0.3 area 0
 network 192.168.3.0 0.0.0.15 area 0
end