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1、基于 OSPF 的网络拓扑结构：序号 IP 网段 子网掩码 所属设备1 192.168.10.0 255.255.255.252 RS2RS12 192.168.10.4 255.255.255.252 RS1RS43 192.168.10.8 255.255.255.252 RS3RS14 192.168.10.12 255.255.255.252 RS1RS55 192.168.1.0 255.255.255.252 RS1R26 218.26.121.0 255.255.255.252 R2R17 192.168.20.0 255.255.255.0 接入 RS2 网络8 192.168
2、.30.0 255.255.255.0 接入 RS3 网络9 192.168.40.0 255.255.255.0 接入 RS4 网络10 192.168.50.0 255.255.255.0 接入 RS5 网络PC IP 地址 子网掩码1 192.168.20.1 255.255.255.02 192.168.20.2 255.255.255.03 192.168.30.1 255.255.255.04 192.168.30.2 255.255.255.05 192.168.40.1 255.255.255.06 192.168.40.2 255.255.255.07 192.168.50.
3、1 255.255.255.08 192.168.50.2 255.255.255.0配置 OSPF:RS2 上的配置：Switchenable Switch#configure terminalSwitch(config)#hostname RS2RS2(config)#interface fastEthernet 0/1RS2(config-if)#no switchportRS2(config-if)#ip address 192.168.10.1 255.255.255.252RS2(config-if)#no shutdownRS2(config-if)#interface fast
4、Ethernet 0/2RS2(config-if)#no switchport RS2(config-if)#ip address 192.168.20.1 255.255.255.128RS2(config-if)#no shutdownRS2(config-if)#interface fastEthernet 0/3RS2(config-if)#no switchport RS2(config-if)#ip address 192.168.20.129 255.255.255.128RS2(config-if)#no shutdownRS2(config-if)#exitRS2(conf
5、ig)#router ospf 110RS2(config-router)#router-id 2.2.2.2RS2(config-router)#network 192.168.10.0 0.0.0.3 area 0RS2(config-router)#network 192.168.20.0 0.0.0.127 area 0RS2(config-router)#network 192.168.20.128 0.0.0.127 area 0RS1 上的配置：Switchenable Switch#configure terminalSwitch(config)#hostname RS1RS1
6、(config)#interface fastEthernet 0/1RS1(config-if)#no switchport RS1(config-if)#ip address 192.168.10.2 255.255.255.252RS1(config-if)#no shutdownRS1(config-if)#interface fastEthernet 0/2RS1(config-if)#no switchport RS1(config-if)#ip address 192.168.10.10 255.255.255.252RS1(config-if)#no shutdownRS1(c
7、onfig-if)#interface fastEthernet 0/3RS1(config-if)#no switchport RS1(config-if)#ip address 192.168.10.6 255.255.255.252RS1(config-if)#no shutdownRS1(config-if)#interface fastEthernet 0/4RS1(config-if)#no switchport RS1(config-if)#ip address 192.168.10.14 255.255.255.252RS1(config-if)#no shutdownRS1(
8、config-if)#interface fastEthernet 0/5RS1(config-if)#no switchport RS1(config-if)#ip address 192.168.1.2 255.255.255.252RS1(config-if)#no shutdownRS1(config-if)#exitRS1(config)#ip route 0.0.0.0 0.0.0.0 192.168.1.1RS1(config)#router ospf 110RS1(config-router)#router-id 1.1.1.1RS1(config-router)#networ
9、k 192.168.10.0 0.0.0.3 area 0RS1(config-router)#network 192.168.10.4 0.0.0.3 area 0RS1(config-router)#network 192.168.10.8 0.0.0.3 area 0RS1(config-router)#network 192.168.10.12 0.0.0.3 area 0RS1(config-router)#network 192.168.1.0 0.0.0.3 area 0RS1(config-router)#default-information originateRS3 上的配
10、置:Switchenable Switch#configure terminalEnter configuration commands, one per line. End with CNTL/Z.Switch(config)#hostname RS3RS3(config)#interface fastEthernet 0/1RS3(config-if)#no switchport RS3(config-if)#ip address 192.168.10.9 255.255.255.252RS3(config-if)#no shutdownRS3(config-if)#interface f
11、astEthernet 0/2RS3(config-if)#no switchport RS3(config-if)#ip address 192.168.30.1 255.255.255.128RS3(config-if)#no shutdownRS3(config-if)#interface fastEthernet 0/3RS3(config-if)#no switchport RS3(config-if)#ip address 192.168.30.129 255.255.255.128RS3(config-if)#no shutdownRS3(config-if)#exitRS3(c
12、onfig)#router ospf 110RS3(config-router)#router-id 3.3.3.3RS3(config-router)#network 192.168.10.8 0.0.0.3 area 0RS3(config-router)#network 192.168.30.0 0.0.0.127 area 0RS3(config-router)#network 192.168.30.128 0.0.0.127 area 0RS4 上的配置：Switchenable Switch#configure terminalSwitch(config)#hostname RS4
13、RS4(config)#interface fastEthernet 0/1RS4(config-if)#no switchport RS4(config-if)#ip address 192.168.10.5 255.255.255.252RS4(config-if)#no shutdownRS4(config-if)#interface fastEthernet 0/2RS4(config-if)#no switchport RS4(config-if)#ip address 192.168.40.1 255.255.255.128RS4(config-if)#no shutdownRS4
14、(config-if)#interface fastEthernet 0/3RS4(config-if)#no switchport RS4(config-if)#ip address 192.168.40.129 255.255.255.128RS4(config-if)#no shutdownRS4(config-if)#exitRS4(config)#router ospf 110RS4(config-router)#router-id 4.4.4.4RS4(config-router)#network 192.168.10.4 0.0.0.3 area 0RS4(config-rout
15、er)#network 192.168.40.0 0.0.0.127 area 0RS4(config-router)#network 192.168.40.128 0.0.0.127 area 0RS5 上的配置：Switchenable Switch#configure terminalEnter configuration commands, one per line. End with CNTL/Z.Switch(config)#hostname RS5RS5(config)#interface fastEthernet 0/1RS5(config-if)#no switchport
16、RS5(config-if)#ip address 192.168.10.13 255.255.255.252RS5(config-if)#no shutdownRS5(config-if)#interface fastEthernet 0/2RS5(config-if)#no switchport RS5(config-if)#ip address 192.168.50.1 255.255.255.128RS5(config-if)#no shutdownRS5(config-if)#interface fastEthernet 0/3RS5(config-if)#no switchport RS5(config-if)#ip address 192.168.50.129 255.255.255.128RS5(config-if)#no shutdownRS5(config-if)#exitRS5(config)#router ospf 110RS5(config-router)#router-id 5.5.5.5RS5(con
