A FortiWeb can be configured to join a Security Fabric through the root or downstream FortiGate.
Article Id 303785
Description This Article describes the difference between the Available and Free memory in the 'diag hardware mem list' output.
Scope FortiWeb, FortiWeb-VM.

While diagnosing the memory consumption on FortiWeb, the 'diag hardware mem list' is run in Fortiweb CLI.

This command gives the below output with a few more parameters:


Viva-kvm45 ## diag hardware mem list
MemTotal: 10071280 kB
MemFree: 7315196 kB  <-----
MemAvailable: 7617908 kB  <-----

Buffers: 140528 kB
Cached: 297528 kB


Differences between MemFree vs MemAvailable are underlined here. These terms sound similar but have some differences. 


  • MemFree: The amount of RAM, in Kilobytes. The system left them as unused in the system
  • MemAvailable: The amount of memory, available for starting new applications, without swapping.

Related document:

hardware mem