Has anyone has success enabling IPv6? I'm wondering if I can simply add AAAA records to my DNS server using the inet6 address of eth0, verify that it works, then request a PTR RR for it? I couldn't find anything in the online docs, so it's not clear if v6 routing is actually supported...

Ugh, I just noticed eth0 is configured to fe80. So I guess no v6 then.

Linode does not presently support IPv6, and has said that they probably won't do so until all of their transit providers support it.

Nonetheless, Hurricane Electric offers very low-latency, high-throughput and more or less easy to set up tunnels. Not as good/cool as native, of course, but usually sufficient, at least for ordinary purposes.

http://tunnelbroker.net/

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Matt Nordhoff (aka Peng on IRC)

There is a good overview on how to configure said tunnel on the Linode wiki:

http://www.linode.com/wiki/index.php/IPv6

The discussion tab on that page also discusses issues of deploying native (though the above posts in this thread summarize pretty well).