Using /126 for IPv6 router links
owen at delong.com
Sun Jan 24 02:24:26 UTC 2010
On Jan 23, 2010, at 4:52 AM, Mathias Seiler wrote:
> 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 ? ;)
Use the /64... It's OK... IPv6 was designed with that in mind.
64 bits is enough networks that if each network was an almond M&M, you would be able to fill all of the
great lakes with M&Ms before you ran out of /64s.
> Mathias Seiler
> MiroNet GmbH, Strassburgerallee 86, CH-4055 Basel
> T +41 61 201 30 90, F +41 61 201 30 99
> mathias.seiler at mironet.ch
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