Creating instance groups

Create two unmanaged instance groups in ZONE_1 and ZONE_2. Each group will contain the FortiGate instance from the respective zone.

To create instance groups:

1. Go to Compute Engine > Instance groups.
2. Click CREATE INSTANCE GROUP.
3. Select New unmanaged instance group.
4. From the Region and Zone dropdown lists, select the region and zone where the primary FortiGate is deployed.
5. From the Network dropdown list, select the virtual private cloud hosting external subnet.
6. From the Select VMs dropdown list, select the FortiGate instance.
7. Repeat the steps 2-6 for the second zone and secondary FortiGate.