The Centralized Monitor menu allows administrators on the primary FortiMail unit of an HA cluster to monitor the state and activity of each HA cluster member, including CPU, memory, disk usage, email throughput, and other mail statistic summaries.
For active-active HA clusters, in cases where a FortiAnalyzer is not present to aggregate logs, administrators may conduct log searches across the cluster members. This streamlines the monitoring process, avoiding the need to log into each individual cluster member.
The centralized monitoring feature is license based. If you do not purchase the advanced management license, this feature is not available.
Both port 443 and 6688 need to be open for communication between the primary unit and secondary units.
This functionality is only available once centralized monitor is enabled under System > High Availability > Configuration. Alternatively, the feature can also be enabled in the CLI Console using the following command:
config system ha
set central-statistics enable
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