On Wed, Oct 17, 2007 at 08:51:34PM -0700, Len Gross wrote: >I'm doing some protocol development and it is convenient to start it on >Ethernet. I will need to send a packet to the Ethernet device and only have >it be sent once, even if there is a colision.
I know we've still got some hubs lying around in a backroom at work but I don't know of anything that will let you disable the retry-on-CD. Have you considered simulating the network at a slightly higher lever: Use ipfw pipes or similar to simulate packet loss (either set a queue length of 1 or probabilistically). This could be done either as a bridge or by tunneling your protocol over IP or UDP. -- Peter
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