R2 :

conf t

int f0/0

no shutdown

ip add 192.168.1.254 255.255.255.0

end

 

R1 :

conf t

int f0/0

no shutdown

ip add 192.168.1.1 255.255.255.0

no ip routing

end

 

conf t

no ip address

end 

以上操作只是为了让R1不具备路由功能。

 

conf t

int f0/0

no shutdown

ip add 192.168.1.254 255.255.255.0

end

 

注：适应场合为DHCP、开机等情况