Summary:
1. Backup - Management
2. Restore - Management
3. Backup - Gateway (same as Management)
4. Restore - Gateway (same as Management)
Details:
1. Backup - Management
1.1 Backup - Management -> webUI
Knowledge:




Note, make sure to close SmartDashboard, or you'd get an error see above.

Export it to you local PC
1.2 Backup - Management -> CLI

Backup located at:

2.1 Restore - Management -> webUI
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Make sure the device has the same OS version
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Make sure the device has the same number of interfaces
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Configure management interface so you can https to it; it doesn't has to be the same IP as the production mgmt server IP, all you need is to be able to https to it from your local machine
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Might need to go over "First Time Configuration Wizard"



reboot upon restore completion
2.2 Restore - Management -> CLI
-
Make sure the device has the same OS version
-
Make sure the device has the same number of interfaces
-
Configure management interface so you can ssh to it; or via OOB

reboot upon restore completion
-Yu