Switch#show ip protocols
Switch#show ip route
Switch#show running-config
Router #show ip protocol
17.
把路由器的S0口配置为被动接口的命令是( )。
Router(config-if)# passive-interface serial 0
Router(config-if)# passive serial 0
Router(config-router)# passive-interface s 0
Router(config-router)# interface-passive serial 0