广播多路访问链路上的OSPF

拓扑图

如图所示

配置路由器IP地址

router 1的配置

Router>enRouter#conf t Router(config)#hostname Router1Router1(config)#int g0/0Router1(config-if)#ip addr 192.168.1.1 255.255.255.0Router1(config-if)#no shuRouter1(config-if)#exitRouter1(config)#int l0Router1(config-if)#ip addr 1.1.1.1 255.255.255.0Router1(config-if)#no shuRouter1(config-if)#end

router 2的配置

Router>enRouter#conf tRouter(config)#hostname Router2Router2(config)#int l0Router2(config-if)#ip addr 2.2.2.2 255.255.255.0Router2(config-if)#no shuRouter2(config-if)#exitRouter2(config)#int g0/0Router2(config-if)#ip addr 192.168.1.2 255.255.255.0Router2(config-if)#no shuRouter2(config-if)#end

router 3的配置

Router>enRouter#conf tRouter(config)#hostname Router3Router3(config)#int l0Router3(config-if)#ip addr 3.3.3.3 255.255.255.0Router3(config-if)#no shuRouter3(config-if)#exitRouter3(config)#int g0/0Router3(config-if)#ip addr 192.168.1.3 255.255.255.0Router3(config-if)#no shuRouter3(config-if)#end

router 4的配置

Router>enRouter#conf tRouter(config)#hostname Router4Router4(config)#int l0Router4(config-if)#ip addr 4.4.4.4 255.255.255.0Router4(config-if)#no shuRouter4(config-if)#exitRouter4(config)#int g0/0Router4(config-if)#ip addr 192.168.1.4 255.255.255.0Router4(config-if)#no shuRouter4(config-if)#end

配置ospf

router 1的配置

Router1(config)#router ospf 1Router1(config-router)#router-id 1.1.1.1Router1(config-router)#network 1.1.1.0 0.0.0.255 area 0Router1(config-router)#network 192.168.1.0 0.0.0.255 area 0Router1(config-router)#exit

router 2的配置

Router2(config)#router ospf 1Router2(config-router)#router-id 2.2.2.2Router2(config-router)#network 192.168.1.0 0.0.0.255 area 0Router2(config-router)#network 2.2.2.0 0.0.0.255 area 0Router2(config-router)#exit

router 3的配置

Router3(config)#router ospf 1Router3(config-router)#router-id 3.3.3.3Router3(config-router)#network 192.168.1.0 0.0.0.255 area 0Router3(config-router)#network 3.3.3.0 0.0.0.255 area 0Router3(config-router)#exit

router 4的配置

Router4(config)#router ospf 1Router4(config-router)#router-id 4.4.4.4Router4(config-router)#network 4.4.4.0 0.0.0.255 area 0Router4(config-router)#network 192.168.1.0 0.0.0.255 area 0Router4(config-router)#exit

在router 1上查看OSPF的邻居信息

Router1#show ip ospf  neighbor Neighbor ID     Pri   State           Dead Time   Address         Interface 2.2.2.2           1   FULL/BDR        00:00:39    192.168.1.2     GigabitEthernet0/0 3.3.3.3           1   FULL/DROTHER    00:00:37    192.168.1.3     GigabitEthernet0/0 4.4.4.4           1   FULL/DROTHER    00:00:31    192.168.1.4     GigabitEthernet0/0   此时router 1 为DR，router 2 为BDR  断开router 1的连接，再查看router2的OSPF邻居信息   Router2#show ip ospf neighbor Neighbor ID     Pri   State           Dead Time   Address         Interface 3.3.3.3           1   FULL/DROTHER    00:00:38    192.168.1.3     GigabitEthernet0/0 4.4.4.4           1   FULL/BDR        00:00:32    192.168.1.4     GigabitEthernet0/0   router2 成为了DR   实验结束

转载于:https://www.cnblogs.com/knightysa/p/9229671.html

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