实验二十九、OSPF虚连接的配置

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1、实验二十九、OSPF虚连接的配置一、实验目的1.掌握多区域OSPF虚连接的配置2.理解OSPF虚连接的意义二、应用环境在大规模网络中，我们通常划分区域减少资源消耗，并将拓扑的变化本地化。由于实际环境的限制，不能物理的将其他区域环绕骨干区域，可以采用虚连接的方式逻辑的连接到骨干区域。三、实验设备1.DCR-1751三台2.CR-V35MT一条3.CR-V35FC一条四、实验拓扑五、实验要求配置表Router-ARouter-BRouter-CS1/1(DCE)192.168.1.1S/1/0(DTE

2、)192.168.1.2F0/0192.168.2.2F0/0192.168.0.1F0/0192.168.2.1E1/0192.168.3.1路由器A、B为ABR六、实验步骤第一步：参照实验三和上表配置各接口地址，并测试连通性第二步：路由器A的配置Router-A#confRouter-A_config#routerospf100Router-A_config_ospf_100#network192.168.0.0255.255.255.0area3Router-A_config_ospf_10

3、0#network192.168.1.0255.255.255.0area1Router-A_config_ospf_100#^Z第三步：路由器B的配置Router-B#confRouter-B_config#routerospf100Router-B_config_ospf_100#network192.168.1.0255.255.255.0area1Router-B_config_ospf_100#network192.168.2.0255.255.255.0area0Router-B_co

4、nfig_ospf_100#^Z第四步：路由器C的配置Router-C#confRouter-C_config#routerospf100Router-C_config_ospf_100#network192.168.2.0255.255.255.0area0Router-C_config_ospf_100#network192.168.3.0255.255.255.0area0Router-C_config_ospf_100#^Z第五步：查看路由器A的邻居表Router-A#shipospfne

5、ighbor----------------------------------------------------------------------------OSPFprocess:100VirtualLinkNeighborNeighborIDPriStateDeadTimeAREA:0NeighborIDPriStateDeadTimeNeighborAddrInterfaceAREA:1NeighborIDPriStateDeadTimeNeighborAddrInterface192

6、.168.2.11FULL/-38192.168.1.2Serial1/1AREA:3NeighborIDPriStateDeadTimeNeighborAddrInterface我们看到路由器B的ROUTER-ID是192.168.2.1第六步：查看路由器B的邻居表Router-B#shipospfneighbor----------------------------------------------------------------------------OSPFprocess:100V

7、irtualLinkNeighborNeighborIDPriStateDeadTimeAREA:0NeighborIDPriStateDeadTimeNeighborAddrInterface192.168.3.11FULL/BDR36192.168.2.2FastEthernet0/0AREA:1NeighborIDPriStateDeadTimeNeighborAddrInterface192.168.1.11FULL/-32192.168.1.1Serial1/0我们看到A的ROUTER-

8、ID是192.168.1.1第七步：配置虚连接Router-A#confRouter-A_config#routerospf100Router-A_config_ospf_100#area1virtual-link192.168.2.1！注意是ROUTER-IDRouter-B_config#routerospf100Router-B_config_ospf_100#area1virtual-link192.168.1.1！注意是ROUTER-ID第八步：查看虚连接Router-A