[c-nsp] does duplex mismatch affect UDP throughput?

Gert Doering gert at greenie.muc.de
Tue Aug 2 08:12:35 EDT 2011


Hi,

On Tue, Aug 02, 2011 at 09:49:23PM +1000, Reuben Farrelly wrote:
> and by definition fixing the speed and duplex on a switch port means you 
> never see *any* collisions or broken frames on that specific end of the 
> link anyway.

Actually, you see CRC errors and Runts.  So it can be spotted if you
know what to look for :-)  (the "other end" will abort the packet it's
busy sending on detection of a late collision, and that will create 
a garbled packet on the switch side).

gert
-- 
USENET is *not* the non-clickable part of WWW!
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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