On Thu, 21 Oct 2010, Daniel Lacey wrote: > Isn't 1490 the "magic" MTU for PPPoE? Perhaps. But this is supposed to be a layer 2 connection via ethernet from us to the customer. PPPoE isn't in use. Just some switches and q-in-q in between. Antonio Querubin 808-545-5282 x3003 e-mail/xmpp: tony at lava.net