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PRTG Netflow on a network

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I have over 900 switches in a core, distribution, access layer configuration. I would like to deploy Netflow on my network. Do I deploy Netflow out to all of my switches or just to the core? If I deploy to more than just the core, do I need to use different network ports for each Netflow deployment?

cisco netflow prtg

Created on Feb 10, 2020 4:12:07 PM by  joer (0) 1



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Hello,

In the NetFlow Sensor you can either:

-enter an IP address to only receive data from a specific device. This way you would need one netflow sensor for each device. If you want to differ traffic for the individual devices then each device should send on a different port.

-or leave the IP field empty to receive data from any device on the specified port. In this case you can use 1 Netflow sensor for multiple devices.

Please not that we do not recommend using more than 50 of this sensor type on each probe.

Kind Regards,
Timo Dambach
Paessler Tech Support

Created on Feb 11, 2020 12:48:21 PM by  Timo Dambach [Paessler Support]



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