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