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3.
Reboot the appliance and invoke the restore utility.
What to Do Next
Install the ISO image using the procedure in
Obtaining the Restore ISO and Update Files
Cisco provides ISO images for restoring appliances to their original factory settings. Before you restore an
appliance, obtain the correct ISO image from the Support Site.
The ISO image you should use to restore an appliance depends on when Cisco introduced support for that
appliance model. Unless the ISO image was released with a minor version to accommodate a new appliance
model, ISO images are usually associated with major versions of the system software (for example, 5.2 or 5.3). To
avoid installing an incompatible version of the system, Cisco recommends that you always use the most recent
ISO image available for your appliance.
Firepower devices use an internal flash drive to boot the appliance so you can run the restore utility.
Cisco also recommends that you always run the latest version of the system software supported by your appliance.
After you restore an appliance to the latest supported major version, you should update its system software,
intrusion rules, and Vulnerability Database (VDB). For more information, see the release notes for the update you
want to apply, as well as the Firepower Management Center Configuration Guide.
For your convenience, you can install system software and intrusion rule updates as part of the restore process.
For example, you could restore a device to Version 6.0, and also update the device to Version 6.0.0.1 as part of
that process. Keep in mind that only Management Centers require rule updates.
To obtain the restore ISO and other update files:
1.
Using the user name and password for your support account, log into the Support Site
(https://sso.cisco.com/autho/forms/CDClogin.html).
2.
Browse to the software download section (https://software.cisco.com/download/navigator.html).
3.
Enter a search string in the
and install.
For example, to find software downloads for Firepower, you would enter
4.
Find the image (ISO image) that you want to download.
You can click one of the links on the left side of the page to view the appropriate section of the page. For
example, you would click
System.
5.
Click the ISO image you want to download.
The file begins downloading.
6.
Copy the files to an HTTP (web) server, FTP server, or SCP-enabled host that the appliance can access on its
management network.
Caution:
Do not transfer ISO or update files via email; the files can become corrupted. Also, do not change
the names of the files; the restore utility requires that they be named as they are on the Support Site.
Beginning the Restore Process
Begin the restore process by booting the appliance from an internal flash drive.
After you make sure that you have the appropriate level of access and connection to an appliance, as well the
correct ISO image, use one of the following procedures to restore your appliance:
Cisco Firepower Management Center Getting Started Guide
Restoring a Firepower Management Center to Factory Defaults
Beginning the Restore Process, page
area on the page that appears for the system software you want to download
Find
6.0 Images
to view the images and release notes for Version 6.0 of the Firepower
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Firepower.
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