Gateway OpenVPN version
From Wiki for Dragino Project
Due to the size of OpenVPN packages. We didn't add it as a default feature of gateways. If user want to use OpenVPN, he can install the firmware from http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LG308-LG301/Firmware/Release/. use the firmware lgw-openvpn