Artica can be your router or a intermediate gateway with multiple interfaces.
According to the Artica Open Source Edition, you can use your Artica server act as a gateway for free of charge.
Especially if you want to use your Artica server as a transparent Proxy.
Sometimes it is interesting to have a simplified gateway to interconnect several networks.
There is a lot of software available to accomplish this task, but many of them are complex to implement.
They focusing mainly on firewall settings and you need to pass all firewall sections to make networks communicating correctly.
Software such as untangle, pfsense, opnsense, Zeroshell, and ClearOS are perfect for this task, but their setup is complex.
You have to go before through the firewall stages to get into a simple routing system.
As we only want only connectivity tasks, we will strip our Artica appliance of all excessive features and turn it into a single gateway.
Use the following article which relates the use of the Gateway Wizard.