Documentation forNetFlow Traffic Analyzer
Analyzing network traffic and bandwidth is a key capability of SolarWinds Observability Self-Hosted (formerly Hybrid Cloud Observability) and is available in the Advanced edition. NetFlow Traffic Analyzer (NTA) is also available in a standalone module.

Filter events and display historical events in NTA

You can view your events in the Last XX Traffic Analyzer Events widget which is available on all NetFlow summary views.

If you want to adjust the number of events to display or want to display only certain events, you can do so on the Events view.

If you want to see only unknown traffic events, click NetFlow Settings in any NetFlow view, and Under NetFlow Management click Show Unknown Traffic Events. For more information about unknown traffic, see Resolve unknown NetFlow traffic.

Filter all events

  1. Click Alerts & Activity > Events.
  2. You can further filter events by:
    1. Network Object or Type of Device
    2. Event Type

      The table below provides event types relevant for NTA events, and the corresponding events.

    3. Time Period
  3. If you want to see cleared events, select Show Cleared Events.
  4. If desired, edit the Number of Displayed Events.
  5. Click Refresh.
Event Type Events
NetFlow Receiver Service Started

NetFlow Receiver Service Started

NetFlow Receiver Service Settings Changed

NetFlow Receiver Service Stopped

NetFlow Receiver Service Stopped

License Limitation

No Valid License

Unmanaged NetFlow Node Unmanaged NetFlow Node
Unmonitored NetFlow Interface Automatically Added

Unmonitored NetFlow Interface Automatically Added

NetFlow Event

NetFlow Event Interface Index Mapping Is Being Used for Node

NetFlow Event: Removing Interface Index Mapping for Node

NetFlow Database Maintenance

Scheduled Shrink Performed

Updating Data to Be Used in Top XX Aggregated widgets

Windows Firewall Is Turned on

Unmanaged NetFlow Interface Unmanaged NetFlow Interface

Unmonitored NetFlow Interface

Unmonitored NetFlow Interface
Invalid Template

Invalid Template

Invalid IPFIX Template

No Template Received No Template Received
Unsupported Incoming Flow Unsupported Incoming Flow
Not Enabled NetFlow Data Export Not Enabled NetFlow Data Export
ICMP NetFlow Node ICMP NetFlow Node
Not Primary NPM Node IP Address Not Primary NPM Node IP Address
Notification Reset

Notification Event Status Reset

NetFlow Licensing NetFlow Licensing
Informational

Unable to Start Listening on Port

Port Is Free, Listening

NetFlow service time difference warning

NetFlow service time difference warning

NetFlow service time difference warning ended

NetFlow service time difference error NetFlow Service time difference error