On 12/3/2010 10:57 AM, Phil Mayers wrote: > No. 802.1q trunks do this automatically i.e. bump MTU from 1518 to > 1522 to account for the extra space. I've never seen a switch platform > that needed any special config for this to work. But finding one that won't incorrectly count it as a Giant at some level is another story :-) Jeff