PRTG Netflow

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With Netflow enabled and pointing to PRTG, the Netflow sensor in PRTG does not reflect the throughput seen on the normal SNMP probe of the same customer interface. There are no filters set in which would hamper the information. Running PRTG v8.

Can someone explain to me that the throughput on the Netflow probe in PRTG should match what is seen in PRTG for the SNMP data of the same interface port?

If not, why?

netflow prtg snmp

Created on Feb 3, 2012 3:03:33 PM by  dcmw (0) 1



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Hello,

I'm afraid comparing Netflow Data with SNMP Data is always difficult. First of all, there is the active Flow Timeout which 'delays' the traffic monitored with Netflow a bit. Even more 'distraction' comes in if the Netflow is produced from an ASA which only sends information once traffic streams are terminated.

best regards.

Created on Feb 3, 2012 5:43:04 PM by  Torsten Lindner [Paessler Support] (15,450) 3 1



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do you have any filters applied on the netflow sensor?

did you check the netflow configuration on your router? Make sure all data is included.

Created on Feb 5, 2012 10:41:16 AM by  Aurelio Lombardi [Paessler Support] (7,239) 3 1



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