Tag: Switched Port Analyzer

SPAN – Switched Port Analyzer technology and configuration

In simple words SPAN technology enables port mirroring on selected switch.

In some cases you will need that some kind of server, PC or other network device receives a copy of network traffic that is destinated for some other device in the network. Why would you want that? Maybe you need some kind of control of the traffic or you want to implement IDS – Intrusion Detection System or something else. In that case you can configure every Cisco switch to send a copy of the traffic to one of the ports that is connected to sensor device.

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