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S-Series: Not seeing network and application response times in flow analytics from switch

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TitleS-Series: Not seeing network and application response times in flow analytics from switch
Symptoms
  • Not seeing network and application response times in analytics
  • Flows are seen so there is some netflow information being received
  • Only one side of the communication is seen 
Environment
  • S-Series
  • XMC
  • NAC
  • Analytics
Cause
In order to see actual flows generated on ports we need  a policy configuration to scan for the data in the packets. It needs to include at least two ports as it scans only on the inbound or RX (ingress)  part of the data. 
We need to  see the SYN+SYN/ACK in the mirrored traffic in order to get the network and application response times.
Resolution
Configure policy on ports where both sides of the communication ingress in order to see both sides of the communication
Additional notes

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