Netflow v9 no data since sensor was created

Modified on 2025-06-10 12:58:47 +0200

I set up a Cisco 2960x to send netflow v9 to PRTG but since creating the sensor no data has populated.

I tested the configuration using the netflow 9 tester and I see data coming from the switch. The timestamps are off from the switch so I set the active flow timeout to 0. There is nothing blocking communication between the switch and the PRTG servers.

Are there any suggestions?

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Hello oppnetwork,

Thank you very much for your contact.
Just to check, did you also see this knowledge base article and does it apply to your current issue?

Best regards,
Sebastian

Mar, 2018 - Permalink

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.

Netflow v9 no data since sensor was created

Article CommentsAttention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.

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Attention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.