@Dahliana and one thing more: i discussed about this issue with my colleague, who has some experience with OpenVPN and he told me, that I shouldn't use this version of OpenVPN client (3.4.2) because...

@Dahliana yes, I already checked it and it is funny, according to tracert, DNS is achieved directly, not via the tunnel (10.34.1.254 is a gw for client, where vpn is tested, 217.153 .x.x is its WAN...

@Dahliana here it is: [Sep 28, 2023, 08:04:12] OpenVPN core 3.8.2connect1 win x86_64 64-bit OVPN-DCO built on Aug 21 2023 16:29:24 ⏎[Sep 28, 2023, 08:04:12] Frame=512/2112/512...

I successfully established OpenVPN setup on my router and generally it works fine. Here is a config on the router: On client I can enable this VPN, have a connection but when it is enabled, there is...