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Netflow error...NTA 4.1.2...for a Cisco Catalyst 4510R+E

Has anyone seen any issues receiving Netflow 9 data from this node with the following symptoms:

Above is the initial error received when the poller gets hit with the first packet

after that, floods of the following messages

My initial theory is that there may be an interface sending NetFlow data that shouldn't be...I have never seen that initial error before and that leads me to believe

Can there be some kind of "data leak" from a port that is sending NetFlow but shouldn't be?

Otherwise NetFlow for the device is actually pretty good...all seems normal

Just thought I'd throw this out and see if anyone has seen this behavior

Thanks

- Jason

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Accepted answers

All comments

petr.klang

This looks like mismatch of templates. ID of interface can't be zero or negative. From pcap it should be visible, but take a look also here - Devices/Firmware Versions with Known Issues. This issue is similar to first two of them.

Petr

jxchappell

The odd thing is, I am receiving successful NetFlow from the device as a whole and on the interfaces...I'm obviously working with our Network Engineering team as well...would it still process the flows without the correct interface ID?

petr.klang

That's possible. If there are more templates, some of them can be recognized correctly. Or it can be process only some of these flows and some of them create this issues.