Troubleshooting Tip: How to solve booting loop on FortiSwitch-6xxF series when using soft reboot
| Description | This article describes how to solve the booting loop on FortiSwitch-6xxF series when using soft reboot. |
| Scope | FortiSwitch 6xxF-FPOE Series. |
| Solution |
If not possible to boot the device, when soft rebooting the FortiSwitch 6xxF-FPOE Series. In this situation, check the FortiSwitch CPU CPLD version.
Run the command 'get hardware status':
S648FNTVXXXXXXXX # get hardware status Model name: FortiSwitch-648F CPU: Intel(R) Atom(TM) CPU C3558 @ 2.20GHz RAM: 3942 MB Hard disk: 30529 MB /dev/sda Network Card chipset: Network Interface Adapter (rev.) CPU CPLD Version: 2.10 <---- Switch CPLD Version: 3.4
CPLD version should be at least 2.11. Use the TFTP server and copy the new CPLD file (.jbc) to the TFTP folder. Get the CPU CPLD file from the Fortinet Support team.
S648FNTVXXXXXXXX # execute restore cpld tftp <.jbc file folder address on tftp(temp/xxxx_cpucpld_v0b.02.11h_20251015.jbc)> <tftp server ip> Please wait... Connect to tftp server <tftp server ip> ... Get image from tftp server OK. Checking CPLD firmware image integrity... OK *** DO NOT REBOOT/POWER OFF DEVICE DURING CPLD UPGRADING *** *** POWER CYCLE IS REQUIRED AFTER CPLD UPGRADE IS DONE *** This operation will replace the current CPU CPLD firmware Do you want to continue? (y/n)y Device #1 Silicon ID is ALTERA10(06) erasing MAXII device(s)... erasing MAXII UFM block... erasing MAXII CFM block... programming CFM block... programming UFM block... verifying CFM block... verifying UFM block... DONE CPLD firmware upgrade done.
Run 'execute shutdown' then power cycle the unit to make the new CPU CPLD firmware take effect.
S648FNTVXXXXXXXX # execute shutdown This operation will shutdown the system ! Do you want to continue? (y/n)y Saving config. The system is going down NOW !! System is shutting down... S648FNTVXXXXXXXX # .. After halted, please wait for 5 seconds. reboot: The system is halted.
FortiSwitch-648F (00:59-09282023) BIOS version : 04000009 Serial number: S648FNTVXXXXXXXX Please wait for OS to boot, or press any key to display configuration menu... 0 Booting default partition : FortiSwitch-648F v8.0.0,build0010,251029 System is started. EXT2-fs (sda2): warning: mounting unchecked fs, running e2fsck is recommended Do you want to run e2fsck? Will continue to boot if no input in 1 second (y/n) [n] The config file may contain errors, Please see details by the command 'diagnose debug config-error-log read'
S648FNTVXXXXXXX login: admin Password:******** Welcome !
S648FNTVXXXXXXXX # get hardware status Model name: FortiSwitch-648F CPU: Intel(R) Atom(TM) CPU C3558 @ 2.20GHz RAM: 3942 MB Hard disk: 30529 MB /dev/sda Network Card chipset: Network Interface Adapter (rev.) CPU CPLD Version: 2.11 <---- CPLD version should be minimum 2.11. Switch CPLD Version: 3.4
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