Disabling Teredo Tunneling in Vista If you Google ‘Teredo’, a wealth of tech-related articles come up – on tunneling protocols and v6/v4 technologies and other things you might not understand. To put it simply, Teredo is a tunneling technology that links your Vista PC to a similar, distant IPv6 host via an IPv6-incompatible network – which in most cases is an IPv4 network. … [Read more...] about How To Disable Tunnel 6t04 Adapter Teredo Tunnelling In windows