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 From:  Daniele Guazzoni <daniele dot guazzoni at gcomm dot ch>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] m0n0wall throughput is awful.
 Date:  Thu, 29 Sep 2005 01:03:10 +0200
General hints for everybody regarding speed/duplex settings on fastethernet:

Although there are 4 possible combination of settings only two of them 
are valid:

- Both devices negotiate the settings (auto)
- Both devices are manually fixed to the same settings

Any other combination will result in errors, slowdowns and disappointment...

In real life use fixed settings for fix equipment and auto-negotiation 
for mobile devices and you will avoid 99% of the problems.

Chris Buechler wrote:
> You can force speed and duplex via hidden config.xml options, see the
> FAQ.  DON'T do it unless you force BOTH SIDES.  Otherwise you're still
> going to end up with a mismatch (and depending on how the devices
> other than m0n0wall you're plugging into are configured, this is
> usually how you end up with duplex mismatches in the first place).
> -Chris