[106793] in North American Network Operators' Group
Re: impossible circuit
daemon@ATHENA.MIT.EDU (Andy Johnson)
Wed Aug 13 14:29:59 2008
From: "Andy Johnson" <andyjohnson@ij.net>
To: "Jon Lewis" <jlewis@lewis.org>
Date: Wed, 13 Aug 2008 14:27:33 -0400
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
> working, and keeps the dupes from coming back at us, because the ppp
> encapsulated packets aren't understood by Sprint's routers running [I
> assume] hdlc...so they can't forward the packets.
AFAIK, routers don't just forward IP packets because they "see" them. That
destination MAC address needs to be set to something assigned to the router
doesn't it? Unless somehow they've crossed you into some sprint router
running IRB? That might be the only exception I can think of.