Here is the scenario. I have a server appliance that is distributed to my clients (I'll refer to this as the 'appliance'). The appliance talks to my server to get updates. This is a pretty standard setup. For quality control I want to set up a test appliance at my location that will talk to my server through the internet. It is absolutely crucial that this goes through the internet to make sure the test environment is as close to the production environment as possible.
The simple solution is to get two internet connections, one for the appliance and the other for the server. Is there a way to do this with one internet connection?