Two Servers Behind NAT Router
Running more than one server on your home network or behind any NAT router is possible. The concept is simple; each server will have it's IAX own port. The PDF below shows how to set it up.
Instructions: Two servers behind a NAT router
The default IAX port is 4569 but if you already chosen another port for the first server, that's fine, you can use it. Just pick a different port for the other server.
Remember to set the port you use on allstarlink.org. If you forget this step external (to your network) nodes will not be able to connect.