btw, what I missed, openvpn dies:

openvpn[11346]: segfault at 0 ip 000055e33503f5f3 sp 00007fff33642390 error 4 in openvpn[55e334fc8000+8f000]

but only  multipoint udp .



10.11.2023 11:35, Dmitry Melekhov пишет:
10.11.2023 11:23, Gert Doering пишет:
Hi,

On Fri, Nov 10, 2023 at 11:19:58AM +0400, Dmitry Melekhov wrote:
OK, now I know what is broken.

I have so called multihomed server,  and multihomed udp does not work in
2.6.7.

On server with only one external interface everything works OK.
Are you using --multihome in your config?  If not, please add this - UDP
on a server with multiple IP addresses of the same family (v4 or v6) can
not work reliably without --multihome.

yes, sure.

as I said 2.6.6 works OK , and all previous versions since multihomed support for udp was introduced.

If it does not work with --multihome, please send logs.


I see nothing strange in logs, server just lost connection, client too, then they reconnects.

(There is one multihome-related code change in 2.6.6 -> 2.6.7, but that
should only ever trigger if you use DCO)


I don't use dco, but multihomed udp does not work.


gert






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