^--- how do I make OpenVPN push this if not through the commands I already have in the config? And also needed this, which for some reason is not configured by default because DD-WRT is a terrible ...

Don't be intimidated by tcpdump. If your openvpn internal interface is eg enp5s0, asking it to show icmp on that interface is probably as simple as running (as root) tcpdump -i enp5s0 icmp .

If you’ve ever explored VPN settings or read a tech guide, chances are you’ve seen the term OpenVPN pop up. But what exactly is it? Is it an app, a ...