Cisco Cisco Firepower Management Center 2000
Firepower System Release Notes
Uninstalling the Update
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Planning the Uninstallation
Before you uninstall the update, you must thoroughly read and understand the following sections.
Uninstallation Method
This section will change with Crossbeam/MDC.
You must uninstall updates locally. You cannot use a Firepower Management Center to uninstall the update from
a managed device.
a managed device.
For all physical appliances and virtual Firepower Management Centers, uninstall the update using the local web
interface. Because virtual managed devices do not have a web interface, you must use the bash shell to uninstall
the update.
interface. Because virtual managed devices do not have a web interface, you must use the bash shell to uninstall
the update.
Order of Uninstallation
Uninstall the update in the reverse order that you installed it. That is, first uninstall the update from managed
devices, then from Firepower Management Centers.
devices, then from Firepower Management Centers.
Uninstalling the Update from Clustered or Paired Appliances
Clustered devices and Firepower Management Centers in high availability pairs must run the same version of the
Firepower System. Although the uninstallation process triggers an automatic failover, appliances in mismatched
pairs or clusters do not share configuration information, nor do they install or uninstall updates as part of their
synchronization. If you need to uninstall an update from redundant appliances, plan to perform the uninstallations
in immediate succession.
Firepower System. Although the uninstallation process triggers an automatic failover, appliances in mismatched
pairs or clusters do not share configuration information, nor do they install or uninstall updates as part of their
synchronization. If you need to uninstall an update from redundant appliances, plan to perform the uninstallations
in immediate succession.
To ensure continuity of operations, uninstall the update from clustered devices and paired Firepower Management
Centers one at a time. First, uninstall the update from the secondary appliance. Wait until the uninstallation process
completes, then immediately uninstall the update from the primary appliance.
Centers one at a time. First, uninstall the update from the secondary appliance. Wait until the uninstallation process
completes, then immediately uninstall the update from the primary appliance.
Caution:
If the uninstallation process on a clustered device or paired Firepower Management Center fails, do
not restart the uninstall or change configurations on its peer. Instead, contact Support.
Uninstalling the Update from Stacked Devices
All devices in a stack must run the same version of the Firepower System. Uninstalling the update from any of the
stacked devices causes the devices in that stack to enter a limited, mixed-version state.
stacked devices causes the devices in that stack to enter a limited, mixed-version state.
To minimize impact on your deployment, Cisco recommends that you uninstall an update from stacked devices
simultaneously. The stack resumes normal operation when the uninstallation completes on all devices in the stack.
simultaneously. The stack resumes normal operation when the uninstallation completes on all devices in the stack.
Uninstalling the Update from Devices Deployed Inline
Managed devices do not perform traffic inspection, switching, routing, or related functions while the update is
being uninstalled. Depending on how your devices are configured and deployed, the uninstallation process may
also affect traffic flow and link state. For more information, see
being uninstalled. Depending on how your devices are configured and deployed, the uninstallation process may
also affect traffic flow and link state. For more information, see
Uninstalling the Update and Online Help
Uninstalling the Version 6.0.1.2 update does not revert the online help to its previous version. If the version of your
online help does not match that of your Firepower System software, your online help may contain documentation
for unavailable features and may have problems with context sensitivity and link functionality.
online help does not match that of your Firepower System software, your online help may contain documentation
for unavailable features and may have problems with context sensitivity and link functionality.