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CCNA实验:

要求:1、完成设备基本配置

      2、在R1、R2、R3上配置静态路由,保证全网可达

      3、在R1、R3上去掉上一步配置的静态路由,改用默认路由,仍全网可达。


R1:

en
conf t
hostname R1
interf s0/0
ip address 192.168.12.1 255.255.255.0
no sh
inter f1/0
ip address 192.168.1.254 255.255.255.0
no sh



R2:

en
conf t
hostname R2
interf s0/0
ip address 192.168.12.2 255.255.255.0
no sh
interf s0/1
ip address 192.168.23.2 255.255.255.0
no sh


R3:

en 
conf t
hostname R3
interf s0/0
ip address 192.168.23.3 255.255.255.0
no sh
interf f1/0
ip address 192.168.2.254 255.255.255.0
no sh


PC1:

en
conf t
hostname PC1
no ip routing
ip default-gateway 192.168.1.254
interf f0/0
ip address 192.168.1.1 255.255.255.0
no sh


PC2:

en
conf t
hostname PC2
no ip routing
ip default-gateway 192.168.2.254
interf f0/0
ip address 192.168.2.1 255.255.255.0
no sh