• The FortiGate units used in this example have interfaces named port1, port2, and port3.

• All FortiGate units in this example have factory default configuration, and are in NAT/Route mode.

• During configuration, if settings are not directly referred to they will be left at default settings.

• Basic firewalls are in place to allow unfiltered traffic between all connected interfaces in both directions.

• This OSPF network is not connected to any other OSPF areas outside of this example.

• The Internet connection is always available.

• Other devices may be on the network, but do not affect this configuration.