Network TAPs

What is a Network Tap?


A network tap is an external device that creates a “copy” of the traffic for use by various monitoring devices. It allows port mirroring. The traffic on the network is unaffected by the act of monitoring or port mirroring. Because the monitoring is performed by a device external to the network, on a copy of the traffic, this deployment is often referred to as 'out of band'. Taps can be Active or Passive.

 

A chart showing where network taps sit within a typical network architecture
 

 

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