Error: Link up. No flow received for last 10 minutes.

Error: Link up. No flow received for last 10 minutes.

Hi,
 
Netflow Analyser failed yesterday and one of our staff member contacted your company, both parties spent more than one hour to bring the system backup.
 
I noticed that the webport was changed to 8081 (from 8080)
 
After netflow was back online, I could not see any traffic displayed on the screen.
 
The error I received is "Status: Link up. No flow received for last 10 minutes."  I've left this for a day and still not receiving any flow.
 
Could you please advise how to fix this issue ?
 
Regards,
 
Peter Nguyen
From The Laminex Group
 
 

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