Administrator Guide

except the Layer 2 and Layer 3 control frames. It is not required for a VLAN ID to be preserved (in the hardware or the OS
application) when a VLAN ID, used for encapsulation, is associated with a physical/Port-channel interface. Normal VLANs and
VLAN encapsulation can exist simultaneously and any non-unicast traffic received on a normal VLAN is not flooded using lite
subinterfaces whose encapsulation VLAN ID matches with that of the normal VLAN ID.
You can use the encapsulation dot1q vlan-id command in INTERFACE mode to configure lite subinterfaces.
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