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Spirent TestCenter: How is "Receiver Ready Delay" implemented on the CV-8GFC-S4 module?

Environment/Versions
  • Spirent TestCenter 3.42 and above
    • CV-8GFC-S4 module
    • Port level "Receiver Ready Delay"
Answer
  • Here is a diagram of how this feature is implemented
     
     
  • Attached is a pcap that shows the effect of RRD = 500 usec on a port with a buffer credit of 8
Attachments
Attachment
Attachment Description
First 9 frames are sent without delay as buffer credits are available. The remaining frames are sent one at a time after the Receiver Ready Delay

Product : CV,Data Center,Spirent TestCenter,FC