[166263] in North American Network Operators' Group
Re: comcast ipv6 PTR
daemon@ATHENA.MIT.EDU (Jean-Francois.TremblayING@videotro)
Tue Oct 15 13:43:32 2013
In-Reply-To: <CALOgxGbUf8YabqfDCA8+OmFFDmMQ1Zdsk-sLa7JMETEiWcJWzQ@mail.gmail.com>
To: NANOG <nanog@nanog.org>
From: Jean-Francois.TremblayING@videotron.com
Date: Tue, 15 Oct 2013 13:40:39 -0400
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> > My cable company assigns me a different prefix every time the modem
> > reboots, about once a month, and I think that's pretty typical.
>
> Really?
> I think my IPv6 address form Comcast has changed (maybe) twice in the
last
> 18 months, and I think it was only once.
Could it be a non-persistent DUID on the CPE maybe? It tends to get more
rare as home router implementors get their IPv6 right, but we still see
some in the wild. (it makes an interesting attack vector also...)
/JF
