Prtg netflow sensor not working. . Jun 10, 2025 · We have a Netflow9 sensor configured, which has stopped working, since updating PRTG software to the latest version. Netflow Sensor Stops Working We have 5 netflow sensors that are not working. 1. Sep 27, 2024 · What I would recommend is try to capture traffic on the interface and see if the flow is going out. Jun 10, 2025 · We recently had an issue with Netflow sensors, in this case please make sure that your version number is 16. Jun 10, 2025 · With the PRTG service stopped (to free up the ports) both the free ManageEngine OP Netflow sensor and your own Paessler NetFlow tool show data being received on both ports. Monitor your network traffic, troubleshoot issues, and gain valuable insights. I have used the netflow tester and it shows the packets coming in. You can update using the Auto-Update feature. 265X. I have run a Wireshark trace, and can see that the Netflow packets are being sent to the PRTG server. Jun 19, 2025 · Learn how to easily set up PRTG NetFlow Collector on Windows 10 with our step-by-step guide. The problem may not be on the switch. 22. Any ideas why the data would not be showing up in PRTG? Please make sure the sensor matches the NetFlow version your device is exporting! There are several filter options available to divide traffic into different channels. uzbh ous xtol igjsni wxqtm fbiqva jrk ujlsg kkoa ndxw