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What is Port Mirroring?

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TitleWhat is Port Mirroring?
Question
What is port mirroring?
Environment
All products
Answer
Port mirroring allows  inspection of traffic entering and leaving a port by placing a protocol analyzer on the port that's receiving the mirrored data. A packet  received  by or transmitted  from the source port will be forwarded to the destination port. A protocol analyzer on the destination port sometimes called a sniffer or packet sniffer, captures traffic without affecting the client on the original port. A free software package from Wireshark.com can be installed onb any laptop to make it a traffic analyzer.

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