环境

  • Cisco Packet Tracer 5.3
  • Windows 10

    操作

    操作：按照如图所示连接拓扑图
    image.png ```bash

    进入特权模式

    Switch>enable

    进入全局配置模式

    Switch#configure terminal Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#

    进入端口

    Switch(config)#interface FastEthernet0/1 Switch(config-if)#

    禁用

    Switch(config-if)#shutdown

%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to administratively down Switch(config-if)# %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down

使能

Switch(config-if)#no shutdown

%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up

Switch(config-if)# ```

实验工程

端口使能-禁用.zip