简单的OSPF单区域配置
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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
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 loopback0:172.16.1.1/24 Router-Bd的接口配置：S1/0:192.168.1.2/24 loopback0:172.16.2.1/24 Router-A(config)#interface loopback0
Router-A(config-if)#ip address 172.16.1.1 255.255.255.0
Router-A(config-if)#no shut
Router-A(config-if)#exit
Router-B(config)#interface loopback0
Router-B(config-if)#ip address 172.168.2.1 255.255.255.0
Router-B(config-if)#no shut
Router-B(config-if)#exit
第2步：验证接口配置
Router-A#show interface loopback0
Loopback0 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
Router-A(config-router)#network 192.168.1.0 0.0.0.255 area 0
Router-A(config-router)#network 172.16.1.0 0.0.0.255 area 0
Router-A(config-router)#exit
Router-B(config)#router ospf 1
Router-B(config-router)#network 192.168.1.0 0.0.0.255 area 0
Router-B(config-router)#network 172.16.2.0 0.0.0.255 area 0
Router-B(config-router)#exit
第4步：查看路由表
Router-A#sh ip route
Codes: 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 route
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.1.0/24 is directly connected, Loopback0
O 172.16.2.1/32 [110/782] via 192.168.1.2, 00:00:27, Serial1/1 C 192.168.1.0/24 is directly connected, Serial1/1
Router-B#sh ip route
Codes: 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 route
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
O 172.16.1.1/32 [110/782] via 192.168.1.1, 00:00:39, Serial1/0 C 172.16.2.0/24 is directly connected, Loopback0
C 192.168.1.0/24 is directly connected, Serial1/0