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OpenVPN 2 Cookbook by Jan Just Keijser

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3-way routing

For a small number (less than four) of fixed endpoints, a point-to-point setup is very flexible. In this recipe, we set up three OpenVPN tunnels between three sites, including routing between the endpoints. By setting up three tunnels, we create a redundant routing so that all sites are connected even if one of the tunnels is disrupted.

Getting ready

We use the following network layout:

Getting ready

Install OpenVPN 2.0 or higher on two computers. Make sure the computers are connected over a network. In this recipe, the tunnel endpoints were running CentOS 5 Linux or Fedora 13 Linux and OpenVPN 2.1.1. Make sure that the routing (IP forwarding) is ...

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