OSPF在FR环境下的六种网络类型完全配置总结
1:Hub-and-spoke上的NBMA模式(也是默认模式) 总结:HUB-AND-SPOKE上NBMA模式特点: (1) 帧中继接口IP地址都在同一子网上; (2) 要手动配置OSPF邻居;
(3) 需要选举DR,需要手动控制DR在HUB端; (4) 需要手工进行帧中继映射。 验证: 1:验证拓扑:
2:配置过程:
(1) FR交换机的配置. frame-relay switching int s0/0 en fr ietf
frame-relay intf-type dce clock rate 64000
frame-relay lmi-type ansi
frame-relay route 102 interface s0/1 201 frame-relay route 103 interface s0/2 301 frame-relay route 104 interface s0/3 401 no sh int s0/1 en fr ietf
frame-relay intf-type dce clock rate 64000
frame-relay lmi-type ansi
frame-relay route 201 interface s0/0 102 frame-relay route 203 interface s0/2 302 frame-relay route 204 interface s0/3 402 no sh int s0/2
en fr ietf
frame-relay intf-type dce clock rate 64000
frame-relay lmi-type ansi
frame-relay route 301 interface s0/0 103 frame-relay route 302 interface s0/1 203 frame-relay route 304 interface s0/3 403 no sh int s0/3 en fr ietf
frame-relay intf-type dce clock rate 64000
frame-relay lmi-type ansi
frame-relay route 401 interface s0/0 104 frame-relay route 402 interface s0/1 204 frame-relay route 403 interface s0/2 304 no sh 路由器R1
R1(config)#int s0/0
R1(config-if)#encapsulation frame-relay R1(config-if)#ip add 192.168.1.1 255.255.255.0 R1(config-if)#no sh
R1(config-if)#int lo 0
R1(config-if)#ip add 1.1.1.1 255.255.255.0 interface Serial0/0
ip address 192.168.1.1 255.255.255.0 encapsulation frame-relay no frame-relay inverse-arp
frame-relay map ip 192.168.1.2 102 broadcast frame-relay map ip 192.168.1.3 103 broadcast frame-relay map ip 192.168.1.4 104 broadcast
路由器R2
R2(config)#int s0/0
R2(config-if)#ip add 192.168.1.2 255.255.255.0 R2(config-if)#encapsulation frame-relay R2(config-if)#no frame-relay inverse-arp
R2(config-if)#frame-relay map ip 192.168.1.1 201 broadcast R2(config-if)#frame-relay map ip 192.168.1.3 203 broadcast R2(config-if)#frame-relay map ip 192.168.1.4 204 broadcast R2(config-if)#no sh R2(config-if)#int lo 0
R2(config-if)#ip add 2.2.2.2 255.255.255.0
路由器R3
R3(config)#int s0/0
R3(config-if)#encapsulation frame-relay R3(config-if)#no frame-relay inverse-arp R3(config-if)#ip add 192.168.1.3 255.255.255.0
R3(config-if)#frame-relay map ip 192.168.1.1 301 broadcast R3(config-if)#frame-relay map ip 192.168.1.2 302 broadcast R3(config-if)#frame-relay map ip 192.168.1.4 304 broadcast R3(config-if)#no sh R3(config-if)#int lo 0
R3(config-if)#ip add 3.3.3.3 255.255.255.0
路由器R4
R4(config)#int s0/0
R4(config-if)#encapsulation frame-relay R4(config-if)#no frame-relay inverse-arp R4(config-if)#ip add 192.168.1.4 255.255.255.0
R4(config-if)#frame-relay map ip 192.168.1.1 401 broadcast R4(config-if)#frame-relay map ip 192.168.1.2 402 broadcast R4(config-if)#frame-relay map ip 192.168.1.3 403 broadcast R4(config-if)#no sh R4(config-if)#int lo 0