High availability HA in NAT/Route mode
FortiGate-400 Installation and Configuration Guide 81
The network equipment to use and the procedure to follow are the same, whether you
are configuring the FortiGate units for active-active HA or active-passive HA.
To connect the FortiGate units to your network:
1Connect port 1 of each FortiGate unit to a switch or hub connected to your internal
network.
2Connect port 2 of each FortiGate unit to a switch or hub connected to your external
network.
3Optionally connect port 3 of each FortiGate unit to a switch or hub connected to
another network.
4Connect the 4/HA interfaces of the FortiGate units to another switch or hub.
Figure 14: HA network configuration
When you have connected the cluster, proceed to “Starting the HA cluster”.