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How do I see NetFlow data close to real time in PRTG?

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Hi I have configured PRTG for NetFlow to monitor the traffic from Cisco 6500 Switches (Netflow V5). When I review the live data of a NetFlow sensor, I see it is exactly 30 minutes behind. Both the PRTG and Cisco switches are time synchronized. How do I make it more real-time?

Also I need to monitor the traffic for the ASA and it seems that for that I need to enable Netflow9. Can NetFlow v5 and v9 co-exist in the same PRTG server, or what else can be done?

Thank you for your help..

Regards Kingshuk

cisco logging netflow prtg real-time

Created on Aug 4, 2010 2:54:58 AM by  kingshukmitra (0) 1

Last change on Aug 23, 2010 8:35:46 AM by  Daniel Zobel [Paessler Support]



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  • What is your active flow timeout set to on the device and in PRTG? We recommend to set it to 5 minutes on the device and 6 minutes in PRTG.
  • Yes, NetFlow 9 and 5 can co-exist.

Created on Aug 4, 2010 8:16:19 AM by  Aurelio Lombardi [Paessler Support]

Last change on Aug 23, 2010 8:37:41 AM by  Daniel Zobel [Paessler Support]



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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.