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@glen.grant wrote:
You need to specifically set the encapsulation first , "switchport encapsulation dot1q" then issue your trunk command...
specially in cisco 3500 series..
Switch (config-if) # switchport trunk encapsulation ( dot1q | isl )
If you...
specially in cisco 3500 series..
Switch (config-if) # switchport trunk encapsulation ( dot1q | isl )
If you are using cisco use command
#switchport trunk encapsulation isl
#switchport mode trunk
OR ( multi-vendors like hp, juniper & also for cisc...
