[167537] in North American Network Operators' Group

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Re: IPv6 /48 advertisements

daemon@ATHENA.MIT.EDU (Justin M. Streiner)
Wed Dec 18 11:44:12 2013

Date: Wed, 18 Dec 2013 08:10:07 -0500 (EST)
From: "Justin M. Streiner" <streiner@cluebyfour.org>
To: Cliff Bowles <cliff.bowles@apollogrp.edu>
In-Reply-To: <1A5C3257AD8D4946A4B497A6FAF501743C45E5B476@EXCH07-01.apollogrp.edu>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On Wed, 18 Dec 2013, Cliff Bowles wrote:

> Question: will carriers accept IPv6 advertisements smaller than /48?

Most of the carriers I've seen won't accept anything smaller than /48. 
You have 4096 /48s to use in your /36.  The bigger concern for carriers/ISPs
is IPv6 routing table bloat from carrying lots of small individual
advertisements.

jms


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