[136254] in North American Network Operators' Group
Re: Using IPv6 with prefixes shorter than a /64 on a LAN
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Tue Feb 1 22:48:07 2011
To: Bill Stewart <nonobvious@gmail.com>
In-Reply-To: Your message of "Tue, 01 Feb 2011 17:37:55 PST."
<AANLkTimX-anFxL-4c0S71wxtO1yR1NGrR7N1crSjL-4-@mail.gmail.com>
From: Valdis.Kletnieks@vt.edu
Date: Tue, 01 Feb 2011 22:47:31 -0500
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On Tue, 01 Feb 2011 17:37:55 PST, Bill Stewart said:
> A typical home user will have a /56 of GUA, or maybe a /48 with some
> ISPs. Anybody who knows enough to figure out how to set a ULA can
> figure out a /64 from their GUA space that's not being auto-assigned
> by one of their various home routers. So if that's the way you want
> to do things, it won't cost you or your ISP anything.
Your local home network topology may not allow easy choice of a
/64, if you have multiple actual subnets - if it all fit into one /64, why did
you need/want that /56 or /48 in the first place?)
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