@Clive_A Ok, thanks. yes I have made it work with UBNT but in a different way. I have used UBNT as a client against TP-Link, that way I have managed to get site to site with wireguard between tp-link...

@RaRu when I read the log it look like the problem is tp-link, OpenVPN on tp-link is very outdated and problably full of security hole. this is from the log on my client, what this exactly meen I don...

@RaRu good question, I don't know where the error is, I just know what I have tested now. and my test shows that it works against all openvpn servers except tp-link. so !!

@RaRu I do a last test to a unifi router, same client same phone, no problem what so ever. the problem is only to tp-link routers.

did a test here against the ER605v2 and an ER707-M2 both failed against my android phone. same config from PC, vpn worked against both routers. I also tested android against openvpn on an openvpn...

@TzTerri yep, backup takes all settings on controller.