Configuring Multipoint OSPF using Network type Point-to-Multipoint
R1#sh run ! Output Omitted ! interface FastEthernet0 no ip address shutdown speed auto ! interface Serial0 no ip address encapsulation frame-relay ! interface Serial0.1 multipoint ip address 10.2.123.1 255.255.255.248 ip ospf network point-to-multipoint frame-relay interface-dlci 102 frame-relay interface-dlci 103 ! end R1#sh ip ospf neighbo Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 0 FULL/ - 00:01:50 10.2.123.3 Serial0.1 2.2.2.2 0 FULL/ - 00:01:51 10.2.123.2 Serial0.1 R1#sh ip ospf interface s0.1 Serial0.1 is up, line protocol is up Internet Address 10.2.123.1/29, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type POINT_TO_MULTIPOINT, Cost: 64 Transmit Delay is 1 sec, State POINT_TO_MULTIPOINT, Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:13 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 4 msec, maximum is 4 msec Neighbor Count is 2, Adjacent neighbor count is 2 Adjacent with neighbor 3.3.3.3 Adjacent with neighbor 2.2.2.2 Suppress hello for 0 neighbor(s) R1# R2#sh run ! Output Omitted ! interface FastEthernet0 no ip address shutdown speed auto ! interface Serial0 no ip address encapsulation frame-relay ! interface Serial0.1 multipoint ip address 10.2.123.2 255.255.255.248 ip ospf network point-to-multipoint frame-relay map ip 10.2.123.3 101 broadcast frame-relay interface-dlci 101 ! router ospf 1 router-id 2.2.2.2 log-adjacency-changes network 10.0.0.0 0.255.255.255 area 0 ! end R2#sh ip ospf neig Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:01:54 10.2.123.1 Serial0.1 R2#sh ip ospf interface s0.1 Serial0.1 is up, line protocol is up Internet Address 10.2.123.2/29, Area 0 Process ID 1, Router ID 2.2.2.2, Network Type POINT_TO_MULTIPOINT, Cost: 64 Transmit Delay is 1 sec, State POINT_TO_MULTIPOINT, Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:17 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 4 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 1.1.1.1 Suppress hello for 0 neighbor(s) R2# R3#sh run Building configuration... Current configuration : 933 bytes ! Output Omitted ! interface Serial0 no ip address encapsulation frame-relay ! interface Serial0.1 multipoint ip address 10.2.123.3 255.255.255.248 ip ospf network point-to-multipoint frame-relay map ip 10.2.123.2 101 broadcast frame-relay interface-dlci 101 ! router ospf 1 router-id 3.3.3.3 log-adjacency-changes network 10.0.0.0 0.255.255.255 area 0 ! end R3#sh ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:01:43 10.2.123.1 Serial0.1 R3#sh ip ospf interface s0.1 Serial0.1 is up, line protocol is up Internet Address 10.2.123.3/29, Area 0 Process ID 1, Router ID 3.3.3.3, Network Type POINT_TO_MULTIPOINT, Cost: 64 Transmit Delay is 1 sec, State POINT_TO_MULTIPOINT, Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:07 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 1.1.1.1 Suppress hello for 0 neighbor(s) R3#
