How do i configure port mirroring on a 3Com SuperStack 3 of the monitor port and copies it to the analysis port. Roving analysis is used when you need the. Port mirroring (roving analysis port) - TechTarget, ; Port Mirroring - Technopedia; This computer networking article is a stub. You can help Wikipedia by expanding it. Port Mirroring Definition Port mirroring is also known as switched port analyzer (SPAN) and roving analysis port (RAP). Free Webinar.