[Spread-users] Problem with multiple network interfaces

Vivien Quema vivien.quema at inrialpes.fr
Thu Sep 13 10:49:22 EDT 2007

> With performance that bad, you are probably correct that your switch
> or router is dropping ALL multicast packets.  Spread falls back to
> unicast recovery in such a case on a packet by packet basis, but this
> causes huge performance impacts.
> Once you fix the problem with your switch, or reconfigure your spread
> system to match the network that you are given (e.g. - no
> broad/multicast), you should see much better performance.

Thanks for your answers.

What should I do? How can I prevent Spread from using IP multicast?


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