switch mode命令详解
switch mode有三种模式： 1.access------将某个端口加入 某个 vlan ， 该端口将为access模式，从该端口出来的包或者贞将不带有tag，主要用来接入终端设备，如PC机、服务器、打印服务器等。 s1(config)#int fa 0/24 s1( config-if )#switch mode access ---指
switch mode有三种模式：
1.access------将某个端口加入 某个vlan，该端口将为access模式，从该端口出来的包或者贞将不带有tag，主要用来接入终端设备，如PC机、服务器、打印服务器等。
s1(config)#int fa 0/24
s1(config-if)#switch mode access ---指定24口为普通端口模式
2.trunk--------trunk模式的端口用于交换机与交换机，交换机与路由器，大多用于级联网络设备，从该端口出来的包或者贞将带有tag，以便在线路上承载多个vlan。
s1(config)#int fa 0/24
s1(config-if)#switch mode trunk ---指定24口为普通端口模式
3.multi: 在一个线路中承载多个vlan，但不像trunk,它不对承载的数据打标签。主要用于接入支持多vlan的服务器或者一些网络分析设备。现在基本不使用此类接口，在cisco的网络设备中，也基本不支持此类接口了。
注意：以下配置交换机虽然不出错，但会以最后配置的那条为准
s1(config)#int fa 0/24
s1(config-if)#switch mode access
s1(config-if)#switch access vlan 80
s1(config-if)#switch mode trunk
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