R1(config)#int lo 0
R1(config-if)#ip add 1.1.1.1 255.255.255.0
R1(config-if)#int serial 0/0
R1(config-if)#ip address 192.1.1.1 255.255.255.0
R1(config-if)#no shut
R1(config-if)#encapsulation frame-relay
R1(config-if)#no frame-relay inverse-arp
R1(config-if)#frame-relay map ip 192.1.1.2 102 broadcast
R1(config-if)#ip ospf
R1(config-if)#exit
R1(config)#router ospf 1
R1(config-router)#router-id 1.1.1.1
R1(config-router)#network 192.1.1.0 0.0.0.255 area 0
R1(config-router)#network 1.1.1.0 0.0.0.255 area 0
R1(config-router)#neighbor 192.1.1.2 //这条命令千万不能忘记了，不然邻居建立不起来，路由学不到
R2(config)#int lo 0
R2(config-if)#ip add 2.2.2.2 255.255.255.0
R2(config-if)#int serial 0/0
R2(config-if)#ip address 192.1.1.2 255.255.255.0
R2(config-if)#no shut
R2(config-if)#encapsulation frame-relay
R2(config-if)#no frame-relay inverse-arp
R2(config-if)#frame-relay map ip 192.1.1.1 201 broadcast
R2(config)#router ospf 1
R2(config-router)#router-id 2.2.2.2
R2(config-router)#network 2.2.2.0 0.0.0.255 area 0
R2(config-router)#network 192.1.1.0 0.0.0.255 area 0
R2(config-router)#neighbor 192.1.1.1
R4(config)#frame-relay switching
R4(config)#int serial 0/0
R4(config-if)#no ip address
R4(config-if)#encapsulation frame-relay
R4(config-if)#frame-relay intf-type dce
R4(config-if)#clock rate 64000
R4(config-if)#frame-relay route 102 interface serial 0/1 201
R4(config-if)#no shut
R4(config-if)#int serial 0/1
R4(config-if)#no ip address
R4(config-if)#encapsulation frame-relay
R4(config-if)#frame-relay intf-type dce
R4(config-if)#frame-relay route 201 interface serial 0/0 102
