//*R1、R2的预配置
R1(config)#int s3/0
R1(config-if)#encapsulation frame-relay
R1(config-if)#no frame-relay inverse-arp
R1(config-if)#ip ad 12.0.0.1 255.255.255.0
R1(config-if)#frame-relay map ip 12.0.0.2 102 broadcast
R1(config-if)#no sh
R2(config)#int s3/0
R2(config-if)#encapsulation frame-relay
R2(config-if)#no frame-relay inverse-arp
R2(config-if)#ip ad 12.0.0.2 255.255.255.0
R2(config-if)#frame-relay map ip 12.0.0.1 201 broadcast
R2(config-if)#no sh
R1#show ip ospf int
Serial3/0 is up, line protocol is up
Internet Address 12.0.0.1/24, Area 0
Process ID 10, Router ID 12.0.0.1, Network Type NON_BROADCAST//*网络类型为non-broadcast, Cost: 64
Transmit Delay is 1 sec, State WAITING, Priority 1
No designated router on this network
No backup designated router on this network
Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
oob-resync timeout 120
Hello due in 00:00:14
Wait time before Designated router selection 00:01:14
Index 1/1, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 0, maximum is 0
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 0, Adjacent neighbor count is 0
Suppress hello for 0 neighbor(s)
R1#show ip ospf nei //*通过命令，我们看不到OSPF的邻居关系
R1(config-if)#int s3/0
R1(config-if)#ip ospf network broadcast //*将网络类型改为broadcast
R1#show ip ospf interface
Serial3/0 is up, line protocol is up
Internet Address 12.0.0.1/24, Area 0
Process ID 10, Router ID 12.0.0.1, Network Type BROADCAST//*更改成功, Cost: 64
Transmit Delay is 1 sec, State DROTHER, Priority 1
Designated Router (ID) 12.0.0.2, Interface address 12.0.0.2
Backup Designated router (ID) 12.0.0.2, Interface address 12.0.0.2
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
oob-resync timeout 40
Hello due in 00:00:07
Index 1/1, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 0, maximum is 0
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 1, Adjacent neighbor count is 0
Suppress hello for 0 neighbor(s)
R1#show ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
12.0.0.2 1 FULL/DR 00:00:34 12.0.0.2 Serial3/0 //*这是邻居关系建立好了
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配置OSPF的网络类型