Technical Tip: FortiSwitch rolls back to old firmware even after successful upgrade attempt
| Description | This article describes how to fix FortiSwitch rolling back to the previous firmware even after a successful upgrade attempt. |
| Scope | Managed FortiSwitch. |
| Solution | Delete old firmware images existing on FortiGate: Command to check existing firmware images for FortiSwitch models:
execute switch-controller switch-software list-available
Command to delete an image or all firmware images from FortiGate:
execute switch-controller switch-software delete <all>|<image-name>
After deleting the existing images, upgrade FortiSwitch again. FortiSwitch should upgrade to the desired image.
See reference commands: execute switch-controller. |