router ospf 1
 router-id 3.3.3.3

 network 172.16.50.0 0.0.0.255 area 0

 network 172.16.60.0 0.0.0.255 area 0

 network 172.16.100.192 0.0.0.63 area 0

 network 10.1.3.0 0.0.0.3 area 0

 network 10.1.2.0 0.0.0.3 area 0

end