GUI features not supported on FortiGate 2 GB RAM models
Fortinet has optimized memory usage on physical FortiGate devices with 2 GB of RAM to ensure smooth performance and reliability by adjusting memory used by some GUI features. This change prioritizes device stability and reduces the risk of performance issues.
Changes:
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Removed CLI Command: The
gui-rest-api-cachecommand (underconfig system global) is no longer available. This command was used to enable/disable REST API result caching on FortiGate. -
Streamlined GUI Pages: The following pages in the Security Fabric section have been removed:
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Physical Topology
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Logical Topology
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Security Rating
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Security Rating: With Security Rating page removed, security insights no longer show on pages, such as firewall policy, interface, or address object. Security rating event logs are no longer generated. However, PSIRT advisory warnings and critical vulnerability warnings are still visible in the GUI.
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Visibility in Security Fabric topologies: Since physical FortiGate devices with 2 GB RAM do not support topology features, any downstream physical FortiGate with 2 GB RAM will not appear in the Physical Topology or Logical Topology pages of the upstream root device’s GUI, even if the upstream device has more than 2 GB of RAM.
To verify the downstream device’s connection, use the following CLI on the upstream FortiGate instead:
# diagnose sys csf downstream
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Retired REST API Endpoints: The
/api/v2/monitor/system/security-rating/*endpoints are no longer supported.
These adjustments free up critical memory resources to help your FortiGate device operate more efficiently and reliably and to remain stable under typical workloads.
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These changes apply exclusively to physical FortiGate devices with 2 GB of RAM, leaving devices with higher memory unaffected. Specifically, the impacted models are:
To confirm whether your FortiGate model has 2 GB RAM, enter |