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NetFlow not show all my network traffic

last1ghostlast1ghost

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i use cacti to graph core switch uplink interface, also i use port mirroring to mirror same traffic of upload interface to Ossim Sensor, unfortunately when i open Ossim server netflow i find huge different between traffic appears in cacti and the traffic appear from Ossim sensor  for the same port.

Note: i have another switch that i monitor it using cacti and mirror port to ossim sensor and the traffic number are almost matched 

any one can help if i miss some configuration
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Answers

  • from my experience  fprobe sucks

    I it replaced for  softflowd.


  • Are you looking at bits/s in the display and not flows.  That should match up.  Then there is the whole sampling aspect of netflow....
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