Firmware, certificate and DNS troubleshooting for router installs.
Almost always a certificate or tls-auth mismatch — re-paste each block from the .ovpn, making sure you include the BEGIN/END lines.
Enable NAT / “Redirect internet traffic” in the OpenVPN client settings so LAN traffic is routed through the tunnel.
Set your router’s DNS to a public resolver and enable “Force DNS” so devices can’t bypass the VPN.
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