North American Network Operators Group

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RE: identifying application type of network traffic

  • From: Cheung, Rick
  • Date: Thu Dec 16 15:58:29 2004

Title: RE: identifying application type of network traffic

        I believe NBAR stats are accessible via SNMP, so you can use MRTG to graph application utilization.


Rick Cheung

-----Original Message-----
From: [email protected] [mailto:[email protected]]On Behalf Of
Adam Atkinson
Sent: Thursday, December 16, 2004 11:17 AM
Subject: RE: identifying application type of network traffic

> Currently, I use (protocol, port_number) as indicator
> of application. Referring to rfc on wellknown protocol
> and port allocation, I can only identity about 50% of
> traffic type.
> Is there a complete  (protocol, port_number) list ? or
> is there a better way to identify application type
> based on netflow data?

Cisco's "Network Based Application Recognition" can recognise quite
a few things, particularly a fair few p2p applications. It looks
at the actual contents of packets, not just the port numbers.

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