Fortinet FortiGate-800 User Manual download pdf (Page 106)

106 Fortinet Inc.

Manual virus definition updates System status

Switching back to the default firmware image

Use this procedure to switch the FortiGate unit to operating with the backup firmware

image that had been running as the default firmware image. When you switch to this

backup firmware image, the configuration saved with this firmware image is restored.

To switch back to the default firmware image

1 Connect to the CLI using the null-modem cable and FortiGate console port.

2 Enter the following command to restart the FortiGate unit:

execute reboot

As the FortiGate units starts, a series of system startup messages are displayed.

When the following message appears:

Press any key to enter configuration menu.....

......

3 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:

4 Type B to load the backup firmware image.

The FortiGate unit loads the backup firmware image and restarts. When the FortiGate

unit restarts it is running the backup firmware version with a restored configuration.

Manual virus definition updates

The Status page of the FortiGate web-based manager displays the current installed

versions of the FortiGate antivirus definitions.

To update the antivirus definitions manually

1 Download the latest antivirus definitions update file from Fortinet and copy it to the

computer that you use to connect to the web-based manager.

2 Start the web-based manager and go to System > Status.

3 In the Antivirus Definitions Version section, select Definitions Update .

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.

Note: For information about configuring the FortiGate unit for automatic antivirus definitions

updates, see “Virus and attack definitions updates and registration” on page 117. You can also

manually start an antivirus definitions update by going to System > Update and selecting

Update Now.

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Fortinet FortiGate-800 User Manual Page 106