Subj : New one To : Wilfred van Velzen From : Michiel van der Vlist Date : Thu Jan 26 2017 13:36:32 Hello Wilfred, On Thursday January 26 2017 13:26, you wrote to me: MvdV>> Linux defaults to IPv4 like Windows does. Force binkd to IPv6 MvdV>> with the -6 option in the node statement. WV> Your assumptium seems right. When I do nothing special I get: I am not surprised that Linux follows Windows in this. 6to4 is very unreliable. Many articles have been written about it. Here are some: http://www.potaroo.net/ispcol/2010-12/6to4fail.html https://labs.ripe.net/Members/emileaben/6to4-how-bad-is-it-really https://labs.ripe.net/Members/emileaben/6to4-why-is-it-so-bad Teredo has similar problems, but fortunaltely that seems to be dead for quit a while now. Microsoft swtched off their Teredo servers severak years ago. http://www.potaroo.net/ispcol/2011-04/teredo.html WV> While normally a IPv6 address is always tried first... Except for automated tunnels such as 6to4 and Teredo... Cheers, Michiel --- GoldED+/W32-MSVC 1.1.5-b20130111 * Origin: he.net certified sage (2:280/5555) .