flowscan - 1.006-13.2 main

FlowScan is a freely-available network traffic analysis and
visualization tool which uses IP flow data to provide a continuous
near real-time view of a network's IP traffic.
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FlowScan is a tool to monitor and graph flow information from Cisco
and Riverstone routers in near real-time. You can also use FlowScan
with flow information generated by programs like fprobe.