《计算机网络》实验指导书：单区域OSPF配置.doc

海量资料 超值下载单区域OSPF配置一、实验目的1.掌握单区域OSPF的基本配置2.理解链路状态路由协议的工作过程3.掌握实验环境中虚拟接口的配置二、实验描述1.在大规模的网络环境中，OSPF作为链路状态路由协议的代表应用非常广泛。2.具有无自环路，收敛快的特点三、实验拓扑四、所需设备1.R2801 2台2.串口线 1根五、实验步骤第1步：路由器接口的配置Router-A的接口配置：S1/1: 192.168.1.1/24 loopback0:172.16.1.1/24Router-B的接口配置：S1/0:192.168.1.2/24 loopback0:172.16.2.1/24Router-A(config)#interface loopback0进入虚拟接口配置模式Router-A(config-if)#ip address 172.16.1.1 255.255.255.0Router-A(config-if)#no shutRouter-A(config-if)#exitRouter-B(config)#interface loopback0Router-B(config-if)#ip address 172.168.2.1 255.255.255.0Router-B(config-if)#no shutRouter-B(config-if)#exit第2步：验证接口配置Router-A#show interface loopback0Loopback0 is up, line protocol is up (connected) Hardware is Loopback Internet address is 172.16.1.1/24 MTU 1514 bytes, BW 8000000 Kbit, DLY 5000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation LOOPBACK, loopback not set Last input never, output never, output hang never Last clearing of show interface counters never第3步：配置OSPF路由协议Router-A(config)#router ospf 1路由进程号Router-A(config-router)#network 192.168.1.0 0.0.0.255 area 0Router-A(config-router)#network 172.16.1.0 0.0.0.255 area 0注意写掩码与区域号Router-A(config-router)#exitRouter-B(config)#router ospf 1Router-B(config-router)#network 192.168.1.0 0.0.0.255 area 0Router-B(config-router)#network 172.16.2.0 0.0.0.255 area 0Router-B(config-router)#exit第4步：查看路由表Router-A#sh ip routeCodes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static routeGateway of last resort is not set 172.16.0.0/16 is variably subnetted, 2 subnets, 2 masksC 172.16.1.0/24 is directly connected, Loopback0O 172.16.2.1/32注意：环回接口产生的是主机路由 110/782 via 192.168.1.2, 00:00:27, Serial1/1C 192.168.1.0/24 is directly connected, Serial1/1Router-B#sh ip routeCodes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static routeGateway of last resort is not set 172.16.0.0/16 is variably subnetted, 2 subnets, 2 masksO 172.16.1.1/32 110管理距离110/782 via 192.168.1.1, 00:00:39, Serial1/0C 172.16.2.0/24 is directly connected, Loopback0C 192.168.1.0/24 is directly connected, Serial1/0第5步：其他验证命令Router-A#show ip ospf interfaceLoopback0 is up, line protocol is up Internet address is 172.16.1.1/24, Area 0 Process ID 1, Router ID 172.16.1.1, Network Type LOOPBACK, Cost: 1 Loopback interface is treated as a stub HostSerial1/1 is up, line protocol is up Internet address is 192.168.1.1/24, Area 0 Process ID 1, Router ID 172.16.1.1, Network Type POINT-TO-POINT, Cost: 781 Transmit Delay is 1 sec, State POINT-TO-POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:05 Index 2/2, flood queue length 0 Next 0x0(0)/0x0(0)Router-A#show ip ospf neighbor查看OSPF邻居Neighbor ID Pri State Dead Time Address Interface172.16.2.1 1 FULL/- 00:00:38 192.168.1.2 Serial1/1Router-A#六、注意事项1.每个路由器的OSPF进程号可以不相同，一个路由器可以有多个OSPF进程2.OSPF是无类路由协议，允许子网不连续七、参考配置Router-A#sh runBuilding configuration.hostname Router-A!username Router-B password 0 jsj414!interface Loopback0 ip address 172.16.1.1 255.255.255.0!interface Serial1/1 ip address 192.168.1.1 255.255.255.0