Cisco Cisco Firepower Management Center 2000 Notas de publicación
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FireSIGHT System Release Notes
Before You Begin: Important Update and Compatibility Notes
Before You Begin: Important Update and Compatibility Notes
Before you begin the update process for Version 5.4.0.5 and Version 5.4.1.4, you should familiarize yourself with the
behavior of the system during the update process, as well as with any compatibility issues or required pre- or
post-update configuration changes.
behavior of the system during the update process, as well as with any compatibility issues or required pre- or
post-update configuration changes.
Caution:
Cisco 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:
Configuration and Event Backup Guidelines
Before you begin the update, Cisco strongly recommends that you delete or move any backup files that reside on your
appliance, then back up current event and configuration data to an external location.
appliance, then back up current event and configuration data to an external location.
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 FireSIGHT System User Guide.
information on the backup and restore feature, see the FireSIGHT System User Guide.
Note:
The Defense Center purges locally stored backups from previous updates. To retain archived backups, store the
backups externally.
Caution:
BIOS Version 2.0.1b must be running on your DC2000 and DC4000 appliances in order to update to version
5.4.0.5. If updating your appliances fails due to an incompatible BIOS version, contact Support.
Traffic Flow and Inspection During the Update
The update process reboots managed devices. Depending on how your devices are configured and deployed, the
following capabilities are affected:
following capabilities are affected:
traffic inspection, including application awareness and control, URL filtering, Security Intelligence, intrusion detection
and prevention, and connection logging
and prevention, and connection logging
traffic flow, including switching, routing, NAT, VPN, and related functionality
link state
Note that when you update clustered devices, the system performs the update one device at a time to avoid traffic
interruption.
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 VPN. For
more information on appliance capabilities, see the FireSIGHT System Installation Guide.
control, URL filtering, Security Intelligence, and intrusion prevention, as well as switching, routing, NAT, and VPN. For
more information on appliance capabilities, see the FireSIGHT System Installation Guide.