My question & problem is related to NBAR, I have enabled NBAR on one of my Cisco router Interface using the command line âip nbar protocol-discoveryâ & it discovered bunch of the well known protocols running across my enterprise, but with that it shows huge amount of Bandwidth is eaten-up by unknown protocols.
So, my question is how I can discover that which application are those Unknown protocols? Can you please help me with a way or command to find that?
NBAR identifies applications based on the PDLMs available in the router. NBAR reports applications as unknown if there is no PDLM match available in the router. You can find pdlm files in the Cisco site and use the following to load it in the flash
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