System config Configuring an HA cluster
FortiGate-100A Administration Guide 01-28007-0068-20041203 91
1Power on the FortiGate unit to be configured.
2Connect to the web-based manager.
3Give the FortiGate unit a unique host name.
See “To change FortiGate host name” on page30. Use host names to identify
individual cluster units.
4Go to System > Config > HA.
5Select HA.
6Select the HA mode.
7Select a Group ID for the cluster.
The Group ID must be the same for all FortiGate units in the HA cluster.
8Optionally change the Unit Priority.
See “Unit Priority” on page 86.
9If required, select Override master.
See “Override Master” on page87.
10 Enter and confirm a password for the HA cluster.
11 If you are configuring Active-Active HA, select a schedule.
See “Schedule” on page 88.
12 Select Apply.
The FortiGate unit negotiates to establish an HA cluster. When you select apply you
may temporarily lose connectivity with the FortiGate unit as the HA cluster negotiates.
13 If you are configuring a NAT/Route mode cluster, power off the FortiGate unit and
then repeat this procedure for all the FortiGate units in the cluster. Once all of the units
are configured, continue with “To connect a FortiGate HA cluster” on page 92.
14 If you are configuring a Transparent mode cluster, reconnect to the web-based
manager.
You may have to wait a few minutes before you can reconnect.
15 Go to System > Status.
16 Select Change to Transparent Mode and select OK to switch the FortiGate unit to
Transparent mode.
17 Power off the FortiGate unit.
18 Repeat this procedure for all of the FortiGate units in the cluster then continue with “To
connect a FortiGate HA cluster” on page 92.
Note: The following procedure does not include steps for configuring interface heartbeat
devices and interface monitoring. Interface monitoring should be configured after the cluster is
up and running.