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Spirent TestCenter: Streams ARP resolves but traffic only passes through the DUT intermittently

Environment/Versions
  • Spirent TestCenter
  • Windows GUI
  • Automation
  • ARP
Answer

IP Address of Raw StreamBlock was same as the Device on the same STC-port but different MAC addresses.

DUT gets confused which MAC addresses are for Which IP addresses.

SOLUTION: is to set both the Raw Stream and the Device to have the same Source Mac addresses, then traffic will pass through the DUT.


Product : Spirent TestCenter,API,Windows GUI,Spirent TestCenter,ARP