This recipe is a continuation of the previous recipe, but here we will focus on the performance difference between tunneling Pv4 traffic and IPv6 traffic. In this recipe, we will run
iperf over the VPN tunnel using IPv4 addresses and IPv6 addresses inside the tunnel, after which the differences in performance will be explained.
We use the following network layout:
Set up the client and server certificates using the Setting up the public and private keys recipe from Chapter 2, Client-server IP-only Networks. For this recipe, the server computer was running CentOS 6 Linux and OpenVPN 2.3.11. The client was ...