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MarkmacVSS (talk | contribs) Stacking is a technology used in this product class. |
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[[Image:Net Optics Director.PNG|380px|thumb| Standard Data monitoring switch with 1U chassis, high port density {{deletable image-caption}}]]
A data monitoring switch typically provides 24 to 38 ports in a 1U 19-inch chassis, with higher port density devices expected in the future. Ports may be dedicated as network inputs or tool outputs, or may be configurable as either. Network input ports may be paired to provide in-line connectivity (integrated [[Network tap|Tap]] function), or independent to take input from external network Taps or network switch [[SPAN port]]s. Some devices have the ability to interconnect chassis to configure logical systems with hundreds of ports.
In addition, some data monitoring switches support stacking, which allows them to be architected as a traffic capture system configured as a fully distributed mesh.<ref>Jai C.S, TMCnet, Security Featured Article, [http://sip-trunking.tmcnet.com/topics/security/articles/61231-vss-monitoring-intros-intelligent-stacking-network-traffic-capture.htm "VSS Monitoring Intros Intelligent Stacking for Network Traffic Capture" ]</ref>
When a number of monitoring tools are connected to the data monitoring switch’s tool ports, copies of traffic from any of the network ports can be switched to any of the tools using the data monitoring switch’s management interface. A unique characteristic of the data monitoring switch, as opposed to matrix switches and aggregating Taps, is that it can support a flexible set of port mappings including:
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