Switch monitoring system having a data collection device using filters in parallel orientation and filter counter for counting combination of filtered events

摘要

A switch monitoring system including at least one bus having a plurality of switching ports, wherein a multiplicity of data portions travel over the bus, each of the data portions having at least one destination. The system also includes a plurality of workstations connected to the plurality of switching ports, and a data collection device operative to collect at least one of the data portions from the at least one bus which data portion is being transmitted along the at least one bus to at least one destination including at least one destination other than the data collection device.