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OpenVPN Cookbook

You're reading from   OpenVPN Cookbook Get the most out of OpenVPN by exploring it's advanced features.

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Product type Paperback
Published in Feb 2017
Publisher
ISBN-13 9781786463128
Length 400 pages
Edition 2nd Edition
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Author (1):
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Jan Just Keijser Jan Just Keijser
Author Profile Icon Jan Just Keijser
Jan Just Keijser
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Table of Contents (11) Chapters Close

Preface 1. Point-to-Point Networks 2. Client-server IP-only Networks FREE CHAPTER 3. Client-server Ethernet-style Networks 4. PKI, Certificates, and OpenSSL 5. Scripting and Plugins 6. Troubleshooting OpenVPN - Configurations 7. Troubleshooting OpenVPN - Routing 8. Performance Tuning 9. OS Integration 10. Advanced Configuration

Comparing IPv4 and IPv6 speed


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.

Getting ready

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 running Fedora 22 Linux and OpenVPN 2.3.11. Keep the configuration file example-2-4-server.conf from the Adding IPv6 support recipe from Chapter 2, Client-server IP-only Networks, as well as the client configuration file basic-udp-client.conf.

How to do it...

  1. Start the server:

            [root@server]# openvpn --config example-2-4-server.conf
    
  2. Next, start...

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