- Download the firmware file load it into the root drive of the USB disk and connect it to the FortiGate.
- Check the USB firmware and configuration installations are enabled. They are disabled by default.
config system auto-install
set auto-install-config disable
set auto-install-image disable
end
- To check the USB device contents, enter the below command on FortiGate CLI after connecting the USB disk to the FortiGate.
exec usb-disk list
It will show output such as this:
(global) # exec usb-disk list
2022-06-20 13:04:16 65532578 FGT81Ev7.0.6.out <<< file renamed to short version for easy restore
2020-06-29 10:09:28 <DIR> System Volume Information
- Enter the following command to restore the image file from USB:
execute restore image usb <filename>
(global) # exec restore image usb FGT81Ev7.0.6.out
This operation will replace the current firmware version!
Do you want to continue? (y/n) Y << press y for upload of image and reboot of Fortigate.
Please wait...
Copy image FGT81Ev7.0.6.out from USB disk ...
Get image from USB disk OK.
Verifying the signature of the firmware image.
Checking new firmware integrity ... pass
Please wait for system to restart.
- After the reboot is done, check the firmware image on the FortiGate unit as per the below CLI command:
FG81e # get sys status
Version: FortiGate-81E-POE v7.0.6,build0366,220606 (GA.F) << upgrade completed to 7.0.6
- Issue a command to check if the configuration is loaded and no errors on it:
diag deb config-error-log read
- Update the antivirus and attack definitions:
execute update-now
Reference article for flash format TFTP uploads through console connection:
Technical Tip: Formatting and loading FortiGate firmware image using TFTP
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