[148919] in North American Network Operators' Group
Re: Choice of address for IPv6 default gateway
daemon@ATHENA.MIT.EDU (TJ)
Thu Jan 26 07:58:18 2012
In-Reply-To: <4F2119FE.3020502@netnod.se>
From: TJ <trejrco@gmail.com>
Date: Thu, 26 Jan 2012 07:57:13 -0500
To: Mathias Wolkert <tias@netnod.se>
Cc: nanog@nanog.org
Reply-To: trejrco@gmail.com
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Thu, Jan 26, 2012 at 04:16, Mathias Wolkert <tias@netnod.se> wrote:
> > Note, you can use RA for default gateway while still using static
> addressing.
>
> Could you give me a little bit more on this?
>
Easy: have the RAs sent w/ a prefix information option included, but w/o
the A bit being set.
> It seems to me that most platforms stop listening to RAs once you give
> them a static address.
>
That is (IMHO) a broken implementation. A static address, or even
a statically configured default gateway, should not prevent RAs from being
processed.
/TJ
