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ssanga
Staff & Editor
ssanga
Staff & Editor
July 10, 2025

Technical Tip: Data on ‘Diagnostics and Tools’ menu of managed FortiSwitches fails to load on the FortiGate GUI interface

  • July 10, 2025
  • 0 replies
  • 499 views
Description This article describes an issue observed in the Diagnostics and Tools section of managed FortiSwitches, where:
• The Ports section fails to load and continuously displays a loading spinner.
• The Cable Test feature shows incorrect port information, often displaying ports from a different FortiSwitch.
Scope FortiGate v7.6.3.
Solution

In the Diagnostics and Tools section of a Managed FortiSwitch, the Ports section fails to load and continuously shows a loading spinner.

ports.png
Additionally, the Cable Test feature displays ports from a different FortiSwitch.

Cabletest.png

 

This issue has been resolved in the following versions:

  • v7.6.4 (available to download from the Fortinet support portal).
  • v8.0.0 (scheduled to be released in February 2026).

These timelines for firmware release are estimates and may be subject to change.

General debug information required by FortiGate TAC for investigation:

  • Debugs:

 

diagnose debug console timestamp enable
diagnose debug application https -1
diagnose debug enable

 

Reproduce the issue.

 

diagnose debug reset

  • TAC Report:

 

execute tac report
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