Multicast Receive to Onload or Kernel Stack

Onload User Guide (UG1586)

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1.2 English

If a multicast stream is being accelerated by Onload, and another application that is not using Onload subscribes to the same stream, then the second application will not receive the associated datagrams. Therefore if multiple applications subscribe to a particular multicast stream, either all or none should be run with Onload.