NTA Source Library (SETTINGS menu > Network Traffic Analysis > NTA Sources) provides a table view of:

  • Flow sources identified during network discovery.
  • Flow sources you configured manually or automatically using NTA Device Configuration.
  • Devices polled for NBAR traffic totals.
  • Groups or individual interfaces providing SNMP or flow statistics.

Understanding Column Data

  • Name. Name of source device.
  • Enabled. Indicates if flow or statistics are gathered from this device.
  • Protocol. Flow protocol (if supported).
  • Credentials. Credential types.
  • Receiving Flows. Indicates if flow source is active. ("n/a" indicates not a configured flow source).
  • Flow Rate. Flow packet rate.
  • Traffic Totals. Indicates if traffic totaling is active. Flow Sum denotes traffic totals are summed from flow packets. Receiving indicates traffic totals are estimated (typical of sFlow).
  • NBAR Polling. Indicates if endpoint is polled for NBAR classification data.
  • NBAR Embedded. Indicates if NBAR is provided by the flow protocol.
  • ASN Embedded. Indicates if ASN identification is provided by the current flow protocol.
  • Last Active. Time of last information.

Click a column heading ( ) to display the column selection listing . You can also include:

  • IP Address. Device IP address.
  • Reliability. Estimated reliability based on the volume and sampling rate.
  • Sample Rate. Fraction of observed traffic data reported by source.
  • Flow Packets Lost. Number of flow packets lost.
  • Flow Packets Received. Number of flow packets received.