[svlug] Hardware based traffic visualizer?

Robert Hajime Lanning lanning at lanning.cc
Wed Oct 9 23:51:35 PDT 2002


On Wed, 9 Oct 2002, Daevid Vincent wrote:
> I'm wondering if there exists some sort of device that I can plunk down
> on my network that will be like meters to indicate what each (physical)
> port is doing send/receive. I'm not exactly sure what I'm talking about,
> all I know is that I have 8 machines on my LAN and sometimes my network
> is crawling and I'd like to know who the offending machine is. As it is
> now, all I have is this next to useless blinking LED above each port
> that really only tells me it's working, not how much data compared to
> the other ports is sending or receiving, or even if it is a send or
> receive "problem". Does any of this make sense?

Exchange your hub/switch for an SNMP managable hub/switch.  This would allow
you to run any of the SNMP monitoring softwares available, to show you
bandwidth utilization per port.  (MRTG, rrdtool + cricket, OpenNMS...)

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