Either the machine is routed to the internet because there's an IPv6-aware router properly set up with an ISP that provides a prefix, or you can create a 6in4 t

Either the machine is routed to the internet because there's an IPv6-aware router properly set up with an ISP that provides a prefix, or you can create a 6in4 tunnel through a broker such as Hurricane Electric[0] or SixXS[1] (either on a router or on the machine itself). [0]: https://tunnelbroker.net https://tunnelbroker.net [1]: https://www.sixxs.net https://www.sixxs.net