nanog mailing list archives

Re: Big day for IPv6 - 1% native penetration


From: Owen DeLong <owen () delong com>
Date: Tue, 20 Nov 2012 07:24:30 -0800


On Nov 20, 2012, at 7:06 AM, Sander Steffann <sander () steffann nl> wrote:

Hi,

So, I assume 6in4 tunnels like HE.net are included in the "native" percentage?

As the traffic is delivered as native traffic to Google I don't think Google can even see that there is a tunnel 
between them and the user. They might see a lower MTU, but to Google the traffic is native IPv6.

- Sander


That's only really true of the 6in4 (tunnel broker) tunnels. The 6to4 traffic that comes through our 6to4 or any other 
6to4 gateways, OTOH, will have 2002::/16 addresses which makes it just as obvious as Teredo.

Owen



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