minimum IPv6 announcement size

Otis L. Surratt, Jr. otis at
Tue Sep 24 13:47:24 UTC 2013

-----Original Message-----
From: Nathanael C. Cariaga [mailto:nccariaga at] 
Sent: Tuesday, September 24, 2013 8:50 AM
To: NANOG Mailing List
Subject: minimum IPv6 announcement size

>Just wondering if anyone could shed light on my concern.....
>I've been Google-ing about if there is such a standard that sets the
minimum IPv6 advertisement on BGP.  My concern is that I am running a
network that is operating on multiple sites and currently rolling >out
our IPv6 on the perimeter level.  Having to get our /48 allocation from
our RIR, I figured out I would it would be best for us to break down the
>/48 into smaller chunks (i.e /56s) and farm it out to our sites since a
single /48 will be very big for our single site.
>Any advise will be very much appreciated.

Minimum announcement for IPv6 as I recall is /48. Some providers might
accept less for their networks.


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