The OSPF configurations are: RTA routerospf1 network10.0.0.00.0.255.255area0 RTB routerospf1 network10.0.0.00.0.255.255area0 network10.5.0.00.0.255.255area5 area5virtual-link10.100.100.9 RTC routerospf1 network10.0.0.00.0.255.255area0 network10.10.0.00.0.255.255area10 network10.30.0.00.0.255.255area30 RTD routerospf1 network10.0.0.00.0.255.255area0 network10.20.0.00.0.255.255area20 RTE routerospf1 network10.0.0.00.0.255.255area0 network10.15.0.00.0.255.255area15 RTF routerospf1 network10.5.0.00.0.255.255area5 RTG routerospf1 network10.10.1.580.0.0.0area5 RTH routerospf1 network10.20.100.1000.0.0.0area20 RTI routerospf1 network10.5.0.00.0.255.255area5 network10.35.0.00.0.255.255area35 area5virtual-link10.100.100.2 RTJ routerospf1 network10.15.0.00.0.255.255area15 RTK through RTN have Frame Relay interfaces. The four interfaces to the Frame Relay network are all on the same subnet, so the OSPF network type must be either broadcast or point-to-multipoint: RTK interfaceSerial0 encapsulationframe-relay ipaddress10.30.254.193255.255.255.192 ipospfnetworkpoint-to-multipoint ! routerospf1 network10.30.0.00.0.255.255area30 RTL encapsulationframe-relay ipaddress10.30.254.194255.255.255.192 ipospfnetworkpoint-to-multipoint ! routerospf1 network10.30.0.00.0.255.255area30 RTM encapsulationframe-relay ipaddress10.30.254.195255.255.255.192 ipospfnetworkpoint-to-multipoint ! routerospf1 network10.30.0.00.0.255.255area30 RTN encapsulationframe-relay ipaddress10.30.254.196255.255.255.192 ipospfnetworkpoint-to-multipoint ! routerospf1 network10.30.0.00.0.255.255area30 |