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[Erich Dollansky]

Hi,

On Mon, 24 Sep 2012 20:06:22 -0700
"Rudy (bulk)" <crapsh at monkeybrains.net> wrote:

> Checking all the interfaces, there are a lot more drops/Ierrs on
> em2... The igb devices (PCIe card) seem a lot better than the
> Supermicro motherboard em devices.  Is this an on-board vs mb thing,
> or em vs igb thing?
> 
I do not have any experience with this hardware. I only can speak for
iwn, run and the em thing in my machine. I am travelling with this
hardware most of the time I have bought it.

I hardly notice drops on the em interface connection to locally
connected machines.

I see a drop range from 0 to 100% when iwn is connecting to the same AP
while run ranges from 0 to 10% at the same moment of time.

But when I connect via iwn to a different AP and stay within 10m the
drop rate is 0 again.

With other words, it can be a problem caused how the actual hardware
pieces connect to each other. It could be in your case that the PCI
card has simply a better layout. I do not believe that on-board
hardware is generally bad.

Can you change the hardware this machine is talking to?

Erich