Description
This "revision-image-auto-backup" setting was first introduced in V5.0.
Solution
This option is used to control whether the image will be automatically backed up on upgrading. It can be checked in the GUI by selecting the "Details" link next to "Firmware Image" in "System Information" widget.
config system global
set revision-image-auto-backup enable
end
The "exec revision list image" CLI command can be used to check the image revision info.
