Welcome to Justanswer.com, my name is ***** ***** I will do my best to assist you.
Ive seen this issue before, but before I suggest anything can you tell me the full and complete message you are getting.
Does it say just filter failed? Or does it have any code or text? Please reply with the full, complete and exact message you are seeing, thank you.
Dustin S.Senior Technician and Network Switching Systems Operator / Maintainer.