50 Fortinet Inc.
Configuring your network NAT/Route mode installation
Figure 7: FortiGate-400 NAT/Route mode connections
Configuring your network
If you are running the FortiGate unit in NAT/Route mode, your networks must be
configured to route all Internet traffic to the IP address of the FortiGate interface to
which they are connected.
Completing the configuration
Use the information in this section to complete the initial configuration of the FortiGate
unit.

Configuring interface 3

Use the following procedure to configure interface 3 to connect to a network:
1Log into the web-based manager.
2Go to System > Network > Interface.
3Choose port3 and select Modify .
4Change the IP address and Netmask as required.
5Select Apply.