In this recipe, we extend the complete site-to-site network recipe to include support for IPv6.
Install OpenVPN 2.3.9 or higher on two computers. Make sure the computers are connected over a network. For this recipe, the server computer was running CentOS 6 Linux and OpenVPN 2.3.9 and the client was running Fedora 22 Linux and OpenVPN 2.3.10. We'll use the
secret.key file from the OpenVPN secret keys recipe here.
We will use the following network layout:
dev tun proto udp local openvpnserver.example.com lport 1194 remote openvpnclient.example.com ...