On 2017-06-17, Harald Dunkel <ha...@afaics.de> wrote: > Hi folks, > > AFAICS the openvpn 2.4.2 man page recommends a "multihome" feature > for dual stack setups, but I can't make it work on OpenBSD (the > openvpn server) in this case.
.. > Sat Jun 17 15:13:43 2017 Socket Buffers: R=[212992->212992] S=[212992->212992] > Sat Jun 17 15:13:43 2017 setsockopt(IPV6_V6ONLY=0) > Sat Jun 17 15:13:43 2017 UDP link local (bound): [AF_INET6][undef]:1194 .. It's trying to use a single socket for v4 and v6. That is never going to work on OpenBSD. Try "bind ipv6only" and see if that helps.
