> John C. Lin wrote: > > (Sorry, if this is a FAQ) > > > > I noticed that the 802.1Q ARP frame size generated by the Linux driver > > (V1.8) is only 64 octets (not 68 octets). > > > > It seems the minimum frame size for 802.1Q is 68 octets. > > The 64-octets is an ethernet physical level issue, not a VLAN issue, so > there is no need to pad the frame to 68 bytes. > So what happens when a switch untags the vlan tag and sends the untagged packet out a port? Is it the responsibility of the switch to then pad the packet? Or does this just happen automatically anyway? James
