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Chris Boyle

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IPv6 on Sky Broadband [Apr. 9th, 2008|08:57 am]
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[Mood | pleased]
[Music |Blue Stone - Faraway (Runaway Mix)]

If anyone cares, making the turtle dance on Sky Broadband behind NAT, at least for one Linux machine, is surprisingly easy. 6to4 Just Works™, the key points being:
  • In your router's web UI, set WAN Setup / Default DMZ Server to the LAN IPv4 address of the machine you want to use; this is the only way to make it forward protocol 41 to you.
  • Your 6to4 address must be calculated from your router's external IP, which is dynamic, so you'll need a cron job or something to adjust the tunnel as needed (left as an exercise for the reader).
  • The local/IPv4 end of the tunnel is your LAN IPv4 address.
  • Enabling this for multiple machines is possible, using the first machine as a gateway, because you have a whole /48 to play with. Also left as an exercise for the reader. :-)