Fortinet FortiGate FortiGate-3016B - Installing firmware from a system reboot using the CLI

FortiGate Firmware Installing firmware from a system reboot using the CLI
FortiGate-3016B, FortiGate-3600A and FortiGate-3810A FortiOS 3.0 MR5 Install Guide
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6 Type y.
The FortiGate unit uploads the firmware image file. After the file uploads, a
message similar to the following appears:
Get image from tftp server OK.
Check image OK.
This operation will downgrade the current firmware version!
Do you want to continue? (y/n)
7 Type y.
The FortiGate unit reverts to the old firmware version, resets the configuration to
factory defaults, and restarts. This process takes a few minutes.
8 Reconnect to the CLI.
9 To restore your previous configuration, if needed, use the command:
execute restore config <name_str> <tftp_ip4>
10 Update antivirus and attack definitions.
For information, see the FortiGate Administration Guide, or from the CLI, enter:
execute update-now.
Installing firmware from a system reboot using the CLI
This procedure installs a specified firmware image and resets the FortiGate unit to
default settings. You can use this procedure to upgrade to a new firmware version,
revert to an older firmware version, or re-install the current firmware.
To use this procedure, you must connect to the CLI using the FortiGate console
port and a RJ-45 to DB-9 cable. This procedure reverts the FortiGate unit to its
factory default configuration.
For this procedure you install a TFTP server that you can connect to from the
FortiGate internal interface. The TFTP server should be on the same subnet as
the internal interface.
Before beginning this procedure, it is recommended that you:
• back up the FortiGate unit configuration
• back up the IPS custom signatures
• back up web content and email filtering
For more information, see the FortiGate Administration Guide.
If you are reverting to a previous FortiOS version, you might not be able to restore
the previous configuration from the backup configuration file.
To install firmware from a system reboot
1 Connect to the CLI using the RJ-45 to DB-9 cable port and FortiGate console port.
2 Make sure the TFTP server is running.
3 Copy the new firmware image file to the root directory of the TFTP server.
Note: Installing firmware replaces your current antivirus and attack definitions, along with
the definitions included with the firmware release you are installing. After you install new
firmware, make sure that antivirus and attack definitions are up to date. For details, see the
FortiGate Administration Guide.