In the world of virtual private networking, OpenVPN is a dominant force, known for its flexibility and robust security. While many users are familiar with (network tunnel) mode for routing, TAP (network tap) mode on Windows offers a unique capability: bridging networks at Layer 2.
Note: Most commercial VPN apps now default to Wintun automatically if supported. However, if you specifically need functionality (bridging), you must use the TAP Windows driver. openvpn tap windows