Network tap filters improve analyzer performance

SEPTEMBER 26, 2007 -- VSS monitoring Inc. has introduced pre-filter options in its line of distributed network taps.

SEPTEMBER 26, 2007 -- VSS monitoring Inc. (search for VSS) has introduced pre-filter options in its line of distributed network taps. The remotely managed filter taps are designed to allow users to separate select traffic from the monitoring stream to provide analyzers with the packets of interest only, thereby increasing aggregation bandwidth and analyzer efficiency.

Filter options include MAC source/destination, IP address/range, UDP and TCP port/range, VLAN/QoS, and IP type of service, including any protocol of known port ranges. The user can configure multiple filters per tap port using either an HTTP or command line interface where each filter can be set to either pass or drop the traffic selection. Filter combinations can be implemented on the same traffic, narrowing the selection and improving the capture rate of any analyzer hardware.

The tap's filters are designed to affect copied traffic only and not the pass-through of traffic on the network ports.

The VSS filter taps are available in a variety of port configurations, speeds, as well as copper and fiber media.

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