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静态路由的基本配置
静态路由配置图如下
PC1 IP地址:192.168.1.2
PC2 IP地址:192.168.2.2
PC3 IP地址:192.168.3.2
PC4 IP地址:192.168.4.2
R1 IP地址:
f1/0 192.168.3.1
f0/2 192.168.4.1
s2/0 1.1.1.1
R2 IP地址:
f0/0 192.168.1.1
f1/0 192.168.2.1
s2/0 1.1.1.2
 注：图中的端口号写错了f0/1应该是f1/0
配置好四台电脑的IP，不懂得可以去主页看上一篇文章配置R1ip
Router>enable
Router#conf
Router#configure
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#hostname R1
R1(config)#int f0/0
R1(config-if)#ip address 192.168.4.1 255.255.255.0
R1(config-if)#no shutdown
R1(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
R1(config)#int f1/0
R1(config-if)#ip address 192.168.3.1 255.255.255.0
R1(config-if)#no shutdown
R1(config-if)#
%LINK-5-CHANGED: Interface FastEthernet1/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up
R1(config-if)#int s2/0
R1(config-if)#ip address 1.1.1.1 255.255.255.0
R1(config-if)#clock rate 64000
R1(config-if)#no shutdown
%LINK-5-CHANGED: Interface Serial2/0, changed state to down
R1(config-if)#
配置R2的ip
R2(config)#int f0/0
R2(config-if)#ip add 192.168.1.1 255.255.255.0
R2(config-if)#no sh
R2(config-if)#no shutdown
R2(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
R2(config-if)#int f1/0
R2(config-if)#ip add 192.168.2.1 255.255.255.0
R2(config-if)#no sh
R2(config-if)#
%LINK-5-CHANGED: Interface FastEthernet1/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up
R2(config-if)#int s2/0
R2(config-if)#ip add 1.1.1.2 255.255.255.0
R2(config-if)#no sh
R2(config-if)#
%LINK-5-CHANGED: Interface Serial2/0, changed state to up
R2(config-if)#
4.配置完ip后配置静态路由
注：ip routte的配置命令解释
ip route [network] [mask ] [address] ip route ：创建静态路由 network:目标网络号 mask:目标子网掩码 address：下一跳的IP地址
R1的静态路由配置 如下 R1的静态路由，因为R1的数据要去访问R2上的目标，使用得告诉R1，R2上有多少个网络号，并且指向从S2/0口的1.1.1.2出去访问R2
R1(config)#ip route 192.168.1.0 255.255.255.0 1.1.1.2
R1(config)#ip route 192.168.2.0 255.255.255.0 1.1.1.2
R2的静态路由配置
R2(config)#ip route 192.168.3.0 255.255.255.0 1.1.1.1
R2(config)#ip route 192.168.4.0 255.255.255.0 1.1.1.1
5.配置完静态路由后，四台PC就可以相互ping通了
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