Configuring SPAN On Cisco Catalyst Switches – Monitor & Capture Network Traffic/Packets

Configure your Cisco switch to capture data or voip traffic by mirroring incoming – outgoing packets with SPAN on Catalyst 2940, 2950, 2955, 2960, 2970, 3550,3560, 3560−E, 3750 and 3750−E, 4507R Series Switches. Network monitoring via packet capturing-sniffing software, network analyser, IDS or IPS is possible using Cisco’s SPAN or RSPAN method covered extensively in this article. Understand SPAN Terminology.

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