Troubleshoot Long Flow Errors in NTA
Invalid flow errors recorded in the NetFlow Traffic Analyzer may result when a flow duration exceeds the cache timeout values. This condition displays the following event in the Last XX Traffic Analyzer Events widget:
To resolve this error, the following lines must appear in the Flow Monitor section of the Configuration file for Flow Records on Cisco devices:
cache timeout inact 10
cache timeout act 5
For additional information, see Configuring Devices for Flow Collection in the online help.