I have run this test with private ip ranges and public ip ranges. It works in both instances. Reboot the switch and as soon as you see the system reset message, press and hold ctrl+u. Post your screen shot as I have done below.
What version of firmware does the device report it is running from the web interface?
Are there any other configuration changes that have been made other than the IP address of the switch?
Can you post the config file? If the config file cannot be read with a text editor, such as notepad++, I would like you to change the password of the device before you back up the configuration to "cisco".
Sx550X, Sx350X, Sx250: PSE will Supply Power to Catalyst PSE Ports
May 31, 2016
June 5, 2017
Configure Remote Network Monitoring (RMON) Events Control Settings on a Switch through the Command Line Interface (CLI)
Remote Network Monitoring (RMON) was developed by the Internet Engineering Task Force (IETF) to support...