> >
> > how to fix this (tried to use vtun for ipv6)
>
> Use gif0 instead.  I've used it for IPv6 over IPv4 tunnels, but don't know
> anything about tunnelling IPv6 over IPv6.

unfortunately vtun can't work with gif :( and it gives compression,
encoding and logging on password from any IP.

last option is the most important - so i have to make some script to
automatically configure gif tunnel on one side when IPv4 IP changes on
other