Cisco三层交换机端口设置trunk方法
问题症状:
Switch(config-if)#switchport mode trunk
Command rejected: An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode.
解决方法:
Switch(config-if)#switchport trunk encapsulation dot1q
Switch(config-if)#switchport mode trunk
先配置封装,再设置trunk