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Re: Using /126 for IPv6 router links
From: Christopher Morrow <morrowc.lists () gmail com>
Date: Sat, 23 Jan 2010 20:08:05 -0500

On Sat, Jan 23, 2010 at 7:52 AM, Mathias Seiler
<mathias.seiler () mironet ch> wrote:
Hi

In reference to the discussion about /31 for router links, I d'like to know what is your experience with IPv6 in this 
regard.

I use a /126 if possible but have also configured one /64 just for the link between two routers. This works great but 
when I think that I'm wasting 2^64 - 2 addresses here it feels plain wrong.

So what do you think? Good? Bad? Ugly? /127 ? ;)

<cough>draft-kohno-ipv6-prefixlen-p2p-00.txt</cough>

(<http://tools.ietf.org/id/draft-kohno-ipv6-prefixlen-p2p-00.txt>)

why not just ping your vendors to support this, and perhaps chime in
on v6ops about wanting to do something sane with ptp link addressing?
:)

-Chris


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