nanog mailing list archives

Re: IPv6 prefix lengths


From: Cameron Byrne <cb.list6 () gmail com>
Date: Wed, 12 Jan 2011 21:25:08 -0800

On Jan 12, 2011 7:50 PM, "Richard Barnes" <richard.barnes () gmail com> 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?


Is it possible you should be using PA space from your ISP? An ISP would have
no issue providing a /48 per site. Not too many details were given about
your requirements or circumstances ... PA may fit.

Thanks,
--Richard


[1] <http://bgp.potaroo.net/v6/as2.0/index.html>



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