Cisco Cisco FirePOWER Appliance 7020 Notas de publicación
Version 5.2.0.6
Sourcefire 3D System Release Notes
3
Before You Begin: Important Update and Compatibility Notes
well as with any compatibility issues or required pre- or post-update configuration
changes.
WARNING!
Sourcefire strongly recommends you perform the update in a
maintenance window or at a time when the interruption will have the least impact
on your deployment.
For more information, see the following sections:
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•
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Configuration and Event Backup Guidelines
Before you begin the update, Sourcefire strongly recommends that you back up
current event and configuration data to an external location. This data is not
backed up as part of the update process.
Use the Defense Center to back up event and configuration data for itself and the
Use the Defense Center to back up event and configuration data for itself and the
devices it manages. For more information on the backup and restore feature, see
the Sourcefire 3D System User Guide.
IMPORTANT!
The Defense Center purges backups from previous updates. To
retain archived backups, store the backups externally.
Traffic Flow and Inspection During the Update
The update process (and any uninstallation of the update) reboots all appliances.
Depending on how your devices are configured and deployed, the following
capabilities are affected:
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traffic inspection, including application awareness and control, URL filtering,
Security Intelligence, intrusion detection and prevention, and connection
logging
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traffic flow, including switching, routing, NAT, VPN, and related functionality
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link state
Note that when you update clustered or clustered stacked devices, the system
performs the update one device or stack at a time to avoid traffic interruption.
Traffic Inspection and Link State
In an inline deployment, your managed devices (depending on model) can affect
traffic flow via application control, user control, URL filtering, Security
Intelligence, and intrusion prevention, as well as switching, routing, NAT, and