Technical Tip: FortiOS upgrade procedure in FGSP cluster
Description
This article explains the FortiOS upgrade procedure in a FortiGate Session Life Support Protocol (FGSP) cluster.
Scope
FortiGate.
Solution
The standalone-config-sync setting manages the configuration synchronization in an FGSP cluster. It will also change the behavior of the FortiOS upgrade procedure in FGSP. This setting is available under the 'system ha' configuration:
config system ha
set standalone-config-sync (enable|disable)
If standalone-config-sync is set to disable: the FortiOS image should be uploaded to both Primary and Secondary config sync units manually. The upgrade will start when the image is uploaded. It is possible to delay the upgrade on the Secondary unit to avoid network outage during the Primary unit upgrade.
Related article:
Technical Tip: Configuration Guide: FortiGate Session Life Support Protocol (FGSP)