How do I set up a NetFlow sensor to capture packets being marked by the QoS Policy?

What I need to work out is when I setup Toplists Custom to view TOS filed I am seeing a value that does not match DSCP, IPP or a equivalent decimal value.

I am trying to use the tool to verify packet markings

netflow prtg qos toplist tos

Created on Jan 7, 2011 12:29:10 AM by ktoovey (0) ●1

Last change on Jan 10, 2011 7:50:02 AM by Daniel Zobel [Product Manager]

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I have a similar question. Is there a way to map the DSCP packet markings? For example, having channel definitions on a Netflow sensor showing DSCP markups?

Created on Feb 12, 2011 5:10:03 PM by Eric Steel (0)

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Dear Eric,

I'm afraid DSCP-'values' in the packets can't be used for channel definitions in Netflow Sensors.

Best Regards.

Created on Feb 15, 2011 11:54:48 AM by Torsten Lindner [Paessler Support]

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+1 for this. We stopped using ManageEngines' netflow analyzer for PRTG. This is one feature I miss.

Created on Dec 7, 2011 11:32:28 PM by Zac (0)

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DSCP is the only reason we are still using Manage Engine for our netflow data and PRTG for monitoring. Would be great to get rid of the extra system.

Bump for this as a feature request

Created on Feb 12, 2015 6:52:29 PM by tom234679 (274) ●1

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Sniffer and Flow Sensors support filtering for ToS/DSCP-Fields on packets: PRTG Manual: Filter Rules for Flow, IPFIX and Packet Sniffer Sensors

Created on Feb 16, 2015 8:55:33 AM by Torsten Lindner [Paessler Support]

Last change on Dec 2, 2021 10:16:27 AM by Maike Guba [Paessler Support]