Network, Networking Technology, Data Communication Terms, Glossary and Dictionary

SPAN: Switched Port Analyzer

Switched Port Analyzer(SPAN) is a feature of many managed switches that extends the monitoring capabilities of existing network analyzers into a switched Ethernet environment. SPAN mirrors the traffic at one switched segment onto a predefined SPAN port. A network analyzer attached to the SPAN port can monitor traffic from any of the other switched ports.

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SPAN: Switched Port Analyzer