05-24-2006 02:38 PM - edited 03-03-2019 03:22 AM
SW-B-TOP(config-if)#switchport mode trunk
When trying to execute the above command am getting the following error.
Command rejected: An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode.
05-24-2006 06:57 PM
You will need to set the encapsulation type first if you want to force the interface to trunk. Assuming you want dot1q trunking, try the following
switchport trunk encapsulation dot1q
switchport mode trunk
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