Thank you for contacting Cisco support.
Apologies for the inconvenience. Please reply to the following questions so that we can further isolate the issue:
-How often is the switch rebooting?
-What do you have to do to get the switch back to work?
-Have you tried to upgrade the firmware to the latest version available?
Please contact our SBSC phone line at 1866-606-1866 for immediate assistance.
Have a great day!