[134937] in North American Network Operators' Group
Re: IPv6 prefix lengths
daemon@ATHENA.MIT.EDU (ML)
Wed Jan 12 22:54:26 2011
Date: Wed, 12 Jan 2011 22:54:23 -0500
From: ML <ml@kenweb.org>
To: nanog@nanog.org
In-Reply-To: <AANLkTimPTPk7TFw2=CucUrVe0VTAGETckXVZvhy13XDo@mail.gmail.com>
Reply-To: ml@kenweb.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 1/12/2011 10:49 PM, Richard Barnes wrote:
> Hi all,
>
> What IPv6 prefix lengths are people accepting in BGP from
> peers/customers? My employer just got a /48 allocation from ARIN, and
> we're trying to figure out how to support multiple end sites out of
> this (probably around 10). I was thinking about assigning a /56 per
> site, but looking at the BGP table stats on potaroo.net [1], it looks
> like this is not too common (only .29% of prefixes). Thoughts?
>
> Thanks,
> --Richard
>
>
> [1]<http://bgp.potaroo.net/v6/as2.0/index.html>
>
Are you talking about assigning /56s per POP, enterprise site?
If /56s are just in your iBGP..shouldn't be a problem. You're going to
aggregate and just announce your /48 to your eBGP peers, yes??
