>> Another possible problem: what if you are trying to encapsulate vlan 7 inside >> of vlan 7. How do you know to double-encapsulate? What if user-space is sending >> a pre-built VLAN frame with a raw socket? I'm not sure there is enough info as to >> the intent to encapsulate or not once the VLAN code receives the packet. > I see how my proposal was wrong. Let me wild guess again :). I wondered if the following > code could be better. The idea being that the code could determine the need for > encapsulating or not from the interface's nesting level and the actual number of > VLAN tags in the packet. > I think we've had this conversation before. Search the list archives for "vlan Q in Q" Alex
