SPAN (Switched Port Analyzer) / RSPAN (Remote SPAN)

• http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3560/12240se/scg/swspan.htm
• 3560 -> Configuring SPAN and RSPAN

• Summary
  • You can analyze network traffic passing through ports or VLANs by using SPAN or RSPAN to send a copy of the traffic to another port on the switch or on another switch that has been connected to a network analyzer or other monitoring or security device. SPAN copies (or mirrors) traffic received or sent (or both) on source ports or source VLANs to a destination port for analysis.

• • Analysisのためにポート/VLANを他のポートにミラーリング