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Home > Success Center > Netflow Traffic Analyzer (NTA) > NTA - Knowledgebase Articles > Identify video streaming traffic using NTA

Identify video streaming traffic using NTA

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Updated March 7, 2017


This article provides information about identifying video streaming traffic using NTA.


All NTA version


Network based Application Recognition is supported in NTA 4.2.


NBAR2, or Network-Based Application Recognition, is a classification engine that recognizes and classifies a wide variety of protocols and applications, including web-based and other difficult-to-classify applications and protocols that use dynamic TCP/User Datagram Protocol (UDP) port assignments.


When NBAR2 recognizes and classifies a protocol or application, the network can be configured to apply the appropriate quality of service (QoS) for that application or traffic with that protocol.


The   match protocol  (NBAR2) command is used to classify traffic on the basis of protocols supported by NBAR2. NBAR2 is capable of classifying the following types of protocols:

  • Non-TCP and non-UDP IP protocols.
  • Statically assigned TCP and UDP port numbers.
  • Dynamically assigned TCP and UDP port numbers. This kind of classification requires stateful inspection.
  • Subport classification or classification based on deep packet inspection © Cisco


Other references:



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