Created on 03-30-2006 12:00 AM
Description | FortiGate BIOS variations and firmware loading options. |
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Steps or Commands | There are different BIOS versions, depending on the FortiGate model and its distribution date. These BIOSes may support different firmware installation options, and/or other features. Currently, depending on the BIOS version, there are three slightly different firmware loading features:
Version 1 and 2 are essentially the same, with the Y meaning the same as D prompt, and the N meaning the same as the R prompt. Version 3 adds the B option. Option definitionsY or D (Yes or Default) These options will overwrite the existing firmware version on the flash memory, and replace it with the newly loaded version. N or R (No or Run image without saving) The firmware is run in RAM memory without it being saved to the flash memory. The configuration used will be the one that exists on the flash card, and it must therefore be compatible with the new version that is being run. A configuration upgrade will not be performed with this option. Any manual changes done to the configuration at this point will be saved to flash memory. Upon a system reboot, this new firmware is erased and the firmware loaded will be the one that previously existed in flash memory, along with the configuration also stored in flash. This option is usually selected when running the special HQIP hardware test firmware. This option must not be selected when trying to evaluate a significantly different firmware option, since the original configuration file may be incompatible with the new firmware version. B (Backup firmware) With this option, the BIOS supports a dual partition system. If new firmware is loaded with this option, it is installed in a separate partition, and a new configuration file is created. This new firmware and configuration, will not conflict with the firmware and configuration in the other partition. It is possible to select the boot partition from either the BIOS "B" option (Boot with backup firmware …), or once the firmware has loaded via the CLI command FortiOS v3.0 dual partition supportFortiOS v3.0 adds dual partition support for all FortiGate models*, regardless of whether this option exists in the BIOS. See the Fortinet Knowledge Base article 2.80MR11 to 3.0MR1 upgrade/downgrade/dual-boot procedure for further information. Note: Certain low-end models with a reduced compact flash size will not be able to support this. BIOS boot examplesExample 1 Ver:03000000 Example 2 FGT50A (18:02-04.14.2004) Example 3 FGT1K (12:54-07.01.2003) |
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