Cisco Cisco Firepower Management Center 4000
53-12
FireSIGHT System User Guide
Chapter 53 Updating System Software
Uninstalling Software Updates
To ensure continuity of operations, uninstall the update from clustered devices and paired Defense
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 Defense Center fails, do not restart the
uninstall or change configurations on its peer. Instead, contact Support.
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 FireSIGHT System. Uninstalling the update from
any of the stacked devices causes the devices in that stack to enter a limited, mixed-version state.
any of the 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 update completes on all devices
in the stack.
devices simultaneously. The stack resumes normal operation when the update completes on all devices
in the stack.
You cannot uninstall an update from devices in a clustered stack if uninstalling would revert these
devices to a version in which clustered stacking is not supported.
devices to a version in which clustered stacking is not supported.
Traffic Flow and Inspection
Uninstalling an update from managed devices may affect traffic inspection, traffic flow, and link state.
For specific information on how and when network traffic is affected for a particular update, see the
release notes.
For specific information on how and when network traffic is affected for a particular update, see the
release notes.
After the Uninstallation
After you uninstall the update, there are several steps you should take to ensure that your deployment is
performing properly. These include verifying that the uninstall succeeded and that all appliances in your
deployment are communicating successfully. For specific information for each update, see the release
notes.
performing properly. These include verifying that the uninstall succeeded and that all appliances in your
deployment are communicating successfully. For specific information for each update, see the release
notes.
To uninstall a patch or feature update using the local web interface:
Access:
Admin
Step 1
Select
System > Updates
.
The Product Updates page appears.
Step 2
Click the install icon next to the uninstaller for the update you want to remove.
•
On the Defense Center, the Install Update page appears. Select the Defense Center and click
Install
.
•
On a managed device, there is no intervening page.
In either case, if prompted, confirm that you want to uninstall the update and reboot the appliance.
The uninstall process begins. You can monitor its progress in the task queue (
System > Monitoring > Task
Status
).
Caution
Do not use the web interface to perform tasks other than monitoring the update until the uninstall has
completed and, if necessary, the appliance reboots. For more information, see
completed and, if necessary, the appliance reboots. For more information, see
.
Step 3
After the uninstall finishes, if necessary, log into the appliance.