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Spirent TestCenter: Why do my End Of Test results in Results Reporter show Join Latency as N/A for RFC-3918?

Environment/Versions
  • Spirent TestCenter
    • RFC-3918
      • Join Latency
Answer
  • This could occur if traffic is being received even before the client has joined.
  • Traffic should not be received until after the client joins the group.
  • In this case it would be a DUT issue. Most likely some mis-configuration.
  • Another symptom of this would be high Leave latency since DUT is mis-configured, it would not obey the leave either and traffic would continue to be sent.

Product : Access,Spirent TestCenter,IGMP/MLD,RFC 3918