缺省在所有端口禁用RIP，除非特别指定
Router1#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router1(config)#router rip
Router1(config-router)#passive-interface default
Router1(config-router)#no passive-interface FastEthernet0/0.1
Router1(config-router)#network 172.22.0.0
Router1(config-router)#network 172.25.0.0
Router1(config-router)#network 192.168.1.0
Router1(config-router)#exit
Router1(config)#end
Router1#
