I have one 3640 in my lab and it's running c3640-i-mz.124-21.bin.
I'm trying to create a subinterface and it won't take the commands. I have
no problems with any of the other routers in my pod.
BB1(config-subif)#int fa2/0.200
BB1(config-subif)# encapsulation dot1q 200
^
% Invalid input detected at '^' marker.
Do i need a differnt IOS to support the subinterface functionality?
Thanks,
Justin
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