At 02:43 AM 03/20/2001, you wrote:
> > > I'm using the de driver. Alas, the NICs seems quite old. They are
> 21140's.
> > > I've only got one 21143. I think there is a 3COM 3c905b in the lab too.
> > > Would it be better to use the 21143 + 3com than two 21140s?
> >
> > definitely : in my packet blaster, I get an order of magnitude less
> > packet drops with a 3c905 than with a dc NIC (which is on a multi-port
> > NIC : the PCI-PCI bridge may be a hindrance there)
>
>not my experience -- with the 21143 i can blast 140kpacket/s
>and receive them with no problems.
>For sure the "de" driver might have its own problems,
>but i think a lot of packet drops also depend on the card
>not being properly set for full duplex (which can
>cause collisions and lots of drops).
You should initially test mono-directional in a controlled environment to
avoid "collisions" to compare the true efficiency of the driver.
dennis
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