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FortiGate-100A Administration Guide 01-28007-0068-20041203 43
Installing and using a backup firmware image
If the FortiGate unit is running BIOS version v3.x, you can install a backup firmware
image. Once the backup firmware image is installed you can switch to this backup
image when required.
• Installing a backup firmware image
• Switching to the backup firmware image
• Switching back to the default firmware image
Installing a backup firmware image
To run this procedure you:
• access the CLI by connecting to the FortiGate console port using a null-modem
cable,
• install a TFTP server that you can connect to from the FortiGate as described in
the procedure “Installing firmware images from a system reboot using the CLI” on
page 38.
To install a backup firmware image
1 Connect to the CLI using the null-modem cable and FortiGate console port.
2 Make sure that the TFTP server is running.
3 Copy the new firmware image file to the root directory of your TFTP server.
4 To confirm that the FortiGate unit can connect to the TFTP server, use the following
command to ping the computer running the TFTP server. For example, if the IP
address of the TFTP server is 192.168.1.168:
execute ping 192.168.1.168
5 Enter the following command to restart the FortiGate unit:
execute reboot
As the FortiGate unit starts, a series of system startup messages are displayed.
When of the following message appears:
Press any key to enter configuration menu.....
......
6 Immediately press any key to interrupt the system startup.
If you successfully interrupt the startup process, the following message appears:
[G]: Get firmware image from TFTP server.
[F]: Format boot device.
[B]: Boot with backup firmware and set as default.
[Q]: Quit menu and continue to boot with default firmware.
[H]: Display this list of options.
Enter G,F,B,Q,or H:
Note: You have only 3 seconds to press any key. If you do not press a key soon enough, the
FortiGate unit reboots and you must log in and repeat the execute reboot command.