7)
You will get a message that looks like this, click OK.
8)
Both ZDs will become active. Connected APs will remain connected
to ZD1.
9)
Follow the above (standalone) procedure to upgrade standalone
ZD2 from an earlier release to the 9.5 release. The versions that
the ZD2 can upgrade from are 9.4.2.0, 9.5.0.0 and 9.5.1.0.
NOTE: If you are running a different version, upgrade to one of the above versions
first. Refer to the Release Notes for proper upgrade paths for any given release.
10)
ZD2 will restart after the upgrade process has completed.
11)
Verify that ZD2 is running 9.5 by going to the ZD UI dashboard and
checking the firmware version under system overview.