World IPv6 Day is 1 week away, and for what it's worth, I'm joining in. On Wednesday 8th June, if you visit my site or any of the other participants, such as Google, you'll be helping to test whether mass deployment of IPv6 is likely to break anything.
For my latest ugly hack, I wanted to give any/every machine in the house a globally-routable IPv6 address, and I didn't want to have to babysit the setup every time the router's IPv4 address changed. I actually already had 6to4 up and running on one machine (but failing these two requirements) since this post a couple of years ago. To extend it, I've borrowed heavily from Michael Wensley's howto, but used a different approach which I find more readable. (Danger, automatic modification of config files ahead…)