Cisco Cisco FirePOWER Appliance 7020
Version 5.2.0.6
Sourcefire 3D System Release Notes
9
Updating Your Appliances
secondary stack, which goes into maintenance mode until any necessary
processes restart and the stack is processing traffic again. The system then
applies the update to the primary stack, which follows the same process.
After the Installation
After you perform the update on either the Defense Center or managed devices,
you must reapply device configuration and access control policies. Applying an
access control policy may cause a short pause in traffic flow and processing, and
may also cause a few packets to pass uninspected. For more information, see the
Sourcefire 3D System User Guide.
There are several additional post-update steps you should take to ensure that
There are several additional post-update steps you should take to ensure that
your deployment is performing properly. These include:
•
verifying that the update succeeded
•
making sure that all appliances in your deployment are communicating
successfully
•
updating your vulnerability database (VDB), if necessary
The next sections include detailed instructions not only on performing the update,
but also on completing any post-update steps. Make sure you complete all of the
listed tasks.
Updating a Defense Center
Use the procedure in this section to update your Defense Centers, including
virtual Defense Centers. For the Version 5.2.0.6 update, Defense Centers reboot.
WARNING!
Before you update the Defense Center, reapply access control
policies to any managed devices. Otherwise, the subsequent update of managed
devices may fail.
WARNING!
Do not reboot or shut down your appliances during the update until
after you see the login prompt. The system may appear inactive during the
pre-checks portion of the update; this is expected behavior and does not require
you to reboot or shut down your appliances.
To update a Defense Center:
1. Read these release notes and complete any required pre-update tasks.
For more information, see