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实验拓扑:
实验目的:
使用OSPF路由协议使得两台PC互通。
实验步骤:
1.分别配置两台PC的IP地址,子网掩码与默认网关;
2.配置路由器r0的两个接口地址,启用OSPF路由协议,并标明进程,标明路由器的名称,宣告网络,network 192.168.10.254 0.0.0.0 area 0的意思是:宣告192.168.10.254这个网络,0.0.0.0--精确查找192.168.10.254这个网络,area 0:标明这个OSPF网络是个单区域网络的主干区域网络;
3.配置路由器r1的两个接口地址,启用OSPF路由协议,并标明进程,标明路由器的名称,宣告网络;
4.配置路由器r2的两个接口地址,启用OSPF路由协议,并标明进程,标明路由器的名称,宣告网络;
5.查看启用OSPF后,路由器获得的路由表;
6.ping。
实验命令:
R0:
Continue with configuration dialog? [yes/no]: no
Router>enable
Router#configure
Router(config)#int fastEthernet 0/0
Router(config-if)#ip address 192.168.10.254 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#exit
Router(config)#int fastEthernet 0/1
Router(config-if)#ip address 10.1.12.1 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#exit
Router(config)#router ospf 100
Router(config-router)#router-id 1.1.1.1
Router(config-router)#network 192.168.10.254 0.0.0.0 area 0
Router(config-router)#network 10.1.12.1 0.0.0.0 area 0
Router(config-router)#end
Router#write
R1:
Continue with configuration dialog? [yes/no]: no
Router>enable
Router#configure
Router(config)#int fastEthernet 0/0
Router(config-if)#ip address 10.1.12.2 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#exit
Router(config)#int fastEthernet 0/1
Router(config-if)#ip address 10.1.23.1 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#exit
Router(config)#router ospf 10
Router(config-router)#router-id 2.2.2.2
Router(config-router)#network 10.1.12.2 0.0.0.0 area 0
Router(config-router)#network 10.1.23.1 0.0.0.0 area 0
Router(config)#end
Router#write
R2:
Continue with configuration dialog? [yes/no]: no
Router>enable
Router#configure
Router(config)#int fastEthernet 0/0
Router(config-if)#ip address 192.168.20.254 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#exit
Router(config)#int fastEthernet 0/1
Router(config-if)#ip address 10.1.23.2 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#exit
Router(config)#router ospf 100
Router(config-router)#router-id 3.3.3.3
Router(config-router)#network 192.168.20.254 0.0.0.0 area 0
Router(config-router)#network 10.1.23.2 0.0.0.0 area 0
Router(config-router)#end
Router#write
实验验证:
r0路由器的路由表:
C 10.1.12.0 is directly connected, FastEthernet0/1
O 10.1.23.0 [110/2] via 10.1.12.2, 00:12:44, FastEthernet0/1
C 192.168.10.0/24 is directly connected, FastEthernet0/0
O 192.168.20.0/24 [110/3] via 10.1.12.2, 00:12:44, FastEthernet0/1
PC1 PING192.168.20.1: