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SolarWinds NTA monitors Network Based Application Recognition (NBAR2) traffic. NBAR2 is an application classification system that is used with deep packet inspection technologies to provide better visibility into network traffic.
After you have enabled your devices to export NBAR2 flow records, you can view the Top NBAR2 Applications in summary views and reports.
When the netflow data is captured by NTA, the advanced application classification may be unavailable or unknown to NTA. In this case, you may see one of the following identifiers for applications that are unidentified.
You can monitor NBAR2 applications by viewing the Top XX Applications or from the NetFlow Applications Summary view. For more information about monitoring applications, see Monitor NBAR2 Applications in SolarWinds NTA.