[solved] OVPN-site2site-connection unstable since upgrade

[peter008]

After upgrading to 19.1, the VPN-connection often but unregularly drops with a connection timeout, sometimes after half an hour, sometimes after some hours.

It has been rock solid before the upgrade.

Besides I have to mention that the OVPN-server runs on 19.1.1 (MBR boot) on Hyper-V, while the client under 18.7.10_4 (with UEFI-bios), so both Opensense are virtualized.

[4r7ur]

Can't help you on this topic, sorry.

My OVPn site 2 site connection (APU2C4 running on cable to APU2C4 running on DSL) had according to the log the last hickups back then:
Feb 6 10:40:04    kernel: ovpns1: link state changed to UP
Feb 6 10:39:58    kernel: ovpns1: link state changed to DOWN

Edit:
found in the OpenVPN log file the following entries, happening once a day:
openvpn[89331]: Authenticate/Decrypt packet error: missing authentication info
but this has no impact that I can notice on the connection

[peter008]

Seems to be solved now with a patch: https://forum.opnsense.org/index.php?topic=11456.msg53042#msg53042