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Couldn't find anything like that.Have tried already tons of monitors.

Can anyone suggest one with required options?

Would be awesome if it

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Does your edge routing gear support Netflow? – Driftpeasant Dec 7 '11 at 18:11
Any RRD based performance collector gives these, Hobbit, Nagios, Zenoss. Is "free" a requirement here? What about platform? Type of devices? – SpacemanSpiff Dec 7 '11 at 18:11
All monitoring solutions are showing an average over a period of time. The "Min" is actually the minimum for the average over a longer period of time and the "Max" is the maximum of the average for a longer period of time. If you consider instant bandwidth Min is 0 all time, and Max equals maximum bandwidth of the interface. – Mircea Vutcovici Dec 7 '11 at 18:18
Anything for Ubuntu terminal only? – Somebody Dec 7 '11 at 18:46
Well... what about bash_scripting + /sbin/ip or /sbin/ss + rrdtool? – Mircea Vutcovici Dec 7 '11 at 21:19

I am using Cacti and OpenNMS for monitoring and graphing of the results.

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