[179246] in North American Network Operators' Group

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Re: Small IX IP Blocks

daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Sat Apr 4 18:49:50 2015

X-Original-To: nanog@nanog.org
To: Mike Hammett <nanog@ics-il.net>
In-Reply-To: Your message of "Sat, 04 Apr 2015 16:06:02 -0500."
 <982266.14031.1428181537100.JavaMail.mhammett@ThunderFuck>
From: Valdis.Kletnieks@vt.edu
Date: Sat, 04 Apr 2015 18:49:37 -0400
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org

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On Sat, 04 Apr 2015 16:06:02 -0500, Mike Hammett said:

> I am starting up a small IX. The thought process was a /24 for every IX
> location (there will be multiple of them geographically disparate), even though
> we nqever expected anywhere near that many on a given fabric. Then okay, how do
< we d o v6? We got a /48, so the thought was a /64 for each.

You probably want a /56 for each so you can hand a /64 to each customner.

That way, customer isolation becomes easy because it's a routing problem.
If customers share a subnet, it gets a little harder....

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