经典路由交换实验案例《一》

拓扑分析：我们设左上路由器为R1左下路由器为R2，中间为R3，右边为R4。
左上为PC1左下为PC2，右边为PC3.
R4要配置静态路由。

R1：
---------------------------------------------------------------
interface f0/0
ip address 192.168.1.254 255.255.255.0
no shut
exit
interface f1/0
ip address 192.168.2.1 255.255.255.0
no shut
exit
interface f2/0
ip address 192.168.3.1 255.255.255.0
no shut
exit
ip route 192.168.4.0 255.255.255.0 192.168.3.2
ip route 192.168.5.0 255.255.255.0 192.168.3.2
ip route 192.168.6.0 255.255.255.0 192.168.3.2
ip route 192.168.7.0 255.255.255.0 192.168.3.2
ip route 192.168.4.0 255.255.255.0 192.168.2.2
ip route 192.168.5.0 255.255.255.0 192.168.2.2
ip route 192.168.6.0 255.255.255.0 192.168.2.2
ip route 192.168.7.0 255.255.255.0 192.168.2.2
exit
show ip route
R2：
---------------------------------------------------------------
interface f0/0
ip address 192.168.4.254 255.255.255.0
no shut
exit
interface f1/0
ip address 192.168.5.1 255.255.255.0
no shut
exit
interface f2/0
ip address 192.168.3.2 255.255.255.0
no shut
exit
ip route 192.168.1.0 255.255.255.0 192.168.3.1
ip route 192.168.2.0 255.255.255.0 192.168.3.1
ip route 192.168.6.0 255.255.255.0 192.168.3.1
ip route 192.168.7.0 255.255.255.0 192.168.3.1
ip route 192.168.1.0 255.255.255.0 192.168.5.2
ip route 192.168.2.0 255.255.255.0 192.168.5.2
ip route 192.168.6.0 255.255.255.0 192.168.5.2
ip route 192.168.7.0 255.255.255.0 192.168.5.2
exit
show ip route
R3：
---------------------------------------------------------------
interface f0/0
ip address 192.168.6.1 255.255.255.0
no shut
exit
interface f1/0
ip address 192.168.2.2 255.255.255.0
no shut
exit
interface f2/0
ip address 192.168.5.2 255.255.255.0
no shut
exit
ip route 192.168.1.0 255.255.255.0 192.168.2.1
ip route 192.168.3.0 255.255.255.0 192.168.2.1
ip route 192.168.4.0 255.255.255.0 192.168.2.1
ip route 192.168.1.0 255.255.255.0 192.168.5.1
ip route 192.168.3.0 255.255.255.0 192.168.5.1
ip route 192.168.4.0 255.255.255.0 192.168.5.1
ip route 192.168.7.0 255.255.255.0 192.168.6.2
exit
show ip route
R4：
---------------------------------------------------------------
interface f0/0
ip address 192.168.6.2 255.255.255.0
no shut
exit
interface f1/0
ip address 192.168.7.254 255.255.255.0
no shut
exit
ip route 0.0.0.0 0.0.0.0 192.168.6.1

有什么不懂得或不了解的，可以进YY提问



由于我是第一次做视频有点紧张不好意思。。里面也有一点口误，是四台路由器不是四台交换机。。