Memory usage reduced on FortiGate models with 2 GB RAM 7.4.2

This information is also available in the FortiOS 7.4 Administration Guide: Fortinet Security Fabric

As part of improvements to reduce memory usage on FortiGate models with 2 GB RAM:

• FortiGate models with 2 GB RAM can be the root of the Security Fabric topology with a maximum of five downstream devices.

• FortiGate models can authorize a limited number of FortiExtender devices:

  • Two FortiExtenders for FortiGate 40F and 60E series devices and their variants

  • Six FortiExtenders for FortiGate 60F, 80E, and 90E series devices and their variants

• The memory footprint is reduced when running daemons, including Proxy/WAD, IPS engine, automation, and logging.

• The dynamic routing daemon only runs when required by the FortiGate configuration.

Models with reduced memory usage are the FortiGate 40F, 60E, 60F, 80E, and 90E series devices and their variants.

FortiOS 7.4.4 introduces additional changes for FortiGate models with 2 GB RAM. See Proxy-related features no longer supported on FortiGate 2 GB RAM models 7.4.4 for more information.