Cisco Cisco FirePOWER Appliance 8130
53-3
FireSIGHT System User Guide
Chapter 53 Updating System Software
Performing Software Updates
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Planning for the Update
License:
Any
Before you begin the update, you must thoroughly read and understand the release notes, which you can
download from the Support Site. The release notes describe supported platforms, new features and
functionality, known and resolved issues, and product compatibility. The release notes also contain
important information on prerequisites, warnings, and specific installation and uninstallation
instructions.
download from the Support Site. The release notes describe supported platforms, new features and
functionality, known and resolved issues, and product compatibility. The release notes also contain
important information on prerequisites, warnings, and specific installation and uninstallation
instructions.
The following sections provide an overview of some of the factors you must consider when planning for
the update.
the update.
FireSIGHT System Version Requirements
You must make sure your appliances (including software-based devices) are running the correct version
of the FireSIGHT System. The release notes indicate the required version. If you are running an earlier
version, you can obtain updates from the Support Site.
of the FireSIGHT System. The release notes indicate the required version. If you are running an earlier
version, you can obtain updates from the Support Site.
Operating System Requirements
Make sure the computers where you installed software-based devices are running the correct versions of
their operating systems. The release notes indicate the required versions. For information on supported
operating systems for virtual devices, see the FireSIGHT System Virtual Installation Guide. For
information on supported operating systems for Sourcefire Software for X-Series, see the Sourcefire
Software for X-Series Installation Guide.
their operating systems. The release notes indicate the required versions. For information on supported
operating systems for virtual devices, see the FireSIGHT System Virtual Installation Guide. For
information on supported operating systems for Sourcefire Software for X-Series, see the Sourcefire
Software for X-Series Installation Guide.
Time and Disk Space Requirements
Make sure you have enough free disk space and allow enough time for the update. When you update a
managed device, the update requires additional disk space on the Defense Center. The release notes
indicate space and time requirements.
managed device, the update requires additional disk space on the Defense Center. The release notes
indicate space and time requirements.
Configuration and Event Backup Guidelines
Before you begin a major update, Cisco recommends that you delete any backups that reside on the
appliance after copying them to an external location. Regardless of the update type, you should also back
up current event and configuration data to an external location. Event data is not backed up as part of
the update process.
appliance after copying them to an external location. Regardless of the update type, you should also back
up current event and configuration data to an external location. Event data is not backed up as part of
the update process.
You can use the Defense Center to back up event and configuration data for itself and the devices it
manages; see
manages; see
.
When to Perform the Update
Because the update process may affect traffic inspection, traffic flow, and link state, and because the
Data Correlator is disabled while an update is in progress, Cisco recommends you perform the update in
a maintenance window or at a time when the interruption will have the least impact on your deployment.
Data Correlator is disabled while an update is in progress, Cisco recommends you perform the update in
a maintenance window or at a time when the interruption will have the least impact on your deployment.
Understanding the Update Process
License:
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The following diagram summarizes the update process.