[Sis-SCPS-INTEREST] tx collisions: duplex state resolved, collisions are not.

Dan Miller dan at anacominc.com
Thu May 4 19:59:02 EDT 2006


Otto Solares wrote:
> On Thu, May 04, 2006 at 03:48:03PM -0700, Dan Miller wrote:
>   
>> Okay, I'll try switching to a switch (so to speak), but I still don't 
>> understand why it's only necessary when scps is running; without scps, I 
>> transfer data at a higher rate over the identical hardware and have no 
>> collisions at all...
>>     
>
> I'm pretty sure is not SCPS fault.  You obtain collisions with hubs
> _and_ hosts sending at the same time.  Probably SCPS needs more synch
> than TCP with _just_ 1 sending host which triggers hosts sending at
> the same time.
>
> -otto
>
>   
Okay, that makes sense.  And your theory was certainly proved right when 
I switched to switches!!!

Thanks again!!

Dan




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