I have a same IOS on Cisco4500 (cat4500-ENTSERVICESK9-M), Version 12.2(46)SG, RELEASE SOFTWARE (fc1)
MPC8245 CPU at 333Mhz, Supervisor 6 E
I am trying to configure:
switchport trunk encap
but looks lits its not supported on the device or the IOS.
Is thier a correct IOS which support the trunk encaplusation.