In this video, you will learn how to connect and configure a new FortiGate unit in NATRoute mode to securely connect a private network to the Internet. br br In NATRoute mode, a FortiGate unit is installed as a gateway or router between two networks. In most cases, it is used between a private network and the Internet. This allows the FortiGate to hide the IP addresses of the private network using network address translation (NAT).