How to analyze bandwith on a specific link

Unanswered Question
Nov 9th, 2007


Ich would like to analyze on a switch C3560 how extrem a link is in use. It would be perfect if I'm able to create statistics and so far.

Would it be a big thing to configure MRTG for example to analyze how much bandwith a link is using?

thx for help


I have this problem too.
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jsivulka Thu, 11/15/2007 - 07:17

MRTG only uses inOctets and outOctets, while the ASHostMatrix and DetailHostMatrix have more information broken

down. The differences should be negligable. The comparison between MRTG that uses SNMP and NetFlow is not a valid test. The reason is NetFlow reports only L3 flows while the interface statistics reports total traffic. Netflow derived data to be 10 to 30% less than that from MRTG - SNMP. also Netflow accountin is more based on packet flows that byte counts.


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