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agodbole
Staff
Staff
March 25, 2026

Technical Tip: How to flash FortiSwitch port LEDs from the FortiGate switch controller or the FortiSwitch CLI

  • March 25, 2026
  • 0 replies
  • 287 views
Description This article describes how to flash Fortiswitch port LEDs from the FortiGate switch controller or the FortiSwitch CLI.
Scope FortiGate and FortiSwitch.
Solution

Here are the steps to perform an LED flash test to identify a racked FortiSwitch using the FortiGate or FortiSwitch CLI. 

 

  1. Port LED flash test through the FortiGate CLI.

 

execute switch-controller switch-action physical-ports led-flash <switch-id> <Time>

<switch-id> = FortiSwitch Name or the serial number

<time> - FortiSwitch LED flash mode in minutes < 5 | 15 | 30 | 60 >

 

To disable the LED flash:

 

execute switch-controller switch-action physical-ports led-flash <switch-id> disable

 

  1. Port LED flash test through the FortiSwitch CLI:

 

diagnose switch physical-ports led-flash <time>

<time> - FortiSwitch LED flash mode in minutes < 5 | 15 | 30 | 60 >

 

To disable it, use the following command:

 

diagnose switch physical-ports led-flash disable

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