[189380] in North American Network Operators' Group
Re: Need Comcast IPv6 routing assistance please
daemon@ATHENA.MIT.EDU (Nick Hilliard)
Mon May 23 14:50:08 2016
X-Original-To: nanog@nanog.org
X-Envelope-To: nanog@nanog.org
Date: Mon, 23 May 2016 19:50:01 +0100
From: Nick Hilliard <nick@foobar.org>
To: David Sotnick <sotnickd-nanog@ddv.com>
In-Reply-To: <CALwYWVOMwykyscLxY4HGezMX=UFCNH8D9qd01CYkhXjDex4MQA@mail.gmail.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
David Sotnick wrote:
> I'm seeing *consistent* 46.1% packet loss between Comcast Res/Bus services
> in Northern CA and Pixar (Level 3 customer) also in Northern CA. I have
> ticket open with Level (3) but the problem appears to be on Comcast's
> network.
5/12 = 41.6%
Someone's got a 12-way LAG / ECMP path with either 5 links broken or
else with a hashing algorithm which is dumping your packets into one or
more broken paths 5/12 of the time.
Nick
