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Reimage the Firepower Threat Defense Device
Procedure
Step 1
Download the FTD boot image (see
FTD on the Management interface.
For the ASA 5506-X, 5508-X, 5516-X, ISA 3000: You must use the Management 1/1 port to download the
image. For the other models, you can use any interface.
Step 2
Download the FTD system software install package (see
FTP server accessible by the FTD on the Management interface.
Step 3
At the console port, reboot the Firepower Threat Defense device.
reboot
Example:
Enter yes to reboot.
Example:
> reboot
This command will reboot the system.
Please enter 'YES' or 'NO': yes
Step 4
Press Esc during the bootup when prompted to reach the ROMMON prompt.
Pay close attention to the monitor.
Example:
[...]
Booting from ROMMON
Cisco Systems ROMMON Version (2.1(9)8) #1: Wed Oct 26 17:14:40 PDT 2011
Platform ASA 5555-X with SW, 8 GE Data, 1 GE Mgmt
Use BREAK or ESC to interrupt boot.
Use SPACE to begin boot immediately.
Boot in
Press Esc at this point.
If you see the following message, then you waited too long, and must reload the FTD again after it finishes
booting:
Launching BootLoader...
Boot configuration file contains 2 entries.
[...]
Step 5
Erase all disk(s) on the FTD. The internal flash is called disk0. If you have an external USB drive, it is disk1.
Example:
Example:
rommon #0> erase disk0:
Cisco ASA and Firepower Threat Defense Reimage Guide
24
Download Software, on page
7 seconds.
Cisco ASA and Firepower Threat Defense Reimage Guide
2) to a TFTP server accessible by the
Download Software, on page
Continue?
2) to an HTTP or
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