@NeilR_M I found the mistake. My ER605 is behind a firewall. After correcting the IP in my client to the public IP, I succeded. However thank you for guidance.

Or is it better to use Wireguard to setup a VPN?

Hello @NeilR_M , thank you for quick response. I did not put any DNS, nor full mode in my setup. I've made som screenshots at my VPN config on my Router and the VPN Client. So I should use a DNS from...

Hello, I'm reaching out in hope for som guidance for a newbie in VPN tunneling. I've made a VPN (Server-to Client), which i can connect to from my laptop. From there I can ping my ER605. So fa so...