[106909] in North American Network Operators' Group
Re: impossible circuit
daemon@ATHENA.MIT.EDU (list-nanog@pwns.ms)
Sun Aug 17 02:36:35 2008
Date: Sun, 17 Aug 2008 06:36:23 +0000
From: list-nanog@pwns.ms
To: Jon Lewis <jlewis@lewis.org>
In-Reply-To: <Pine.LNX.4.61.0808170138300.5503@soloth.lewis.org>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
> >From the traces I've seen, it seems if the first Sprint hop is sl-bb20-dc,
> the private IP hops don't show up. If the first Sprint hop is sl-crs2-dc,
> then the private IP hops are there. I wonder if anyone from Sprint can
> shed some light on that?
That's an interesting correlation, but maybe they don't appear because a router in the path is dropping packets sourced from private IPs?
