Re: eepro100 in 10Mbit mode

On Fri, 21 Jun 2002, Donald Becker wrote:

> > But on using mii-tool to force these interfaces to 10baseT-FD, there are
> > _many_ collisions on the core switch which kills even a 5Mbit flow to
> > 3Mbit. I have tried 10baseT-HD too, but the collisions still seem to
> > occur. Is there something fundamentally flawed in this design?
> 
> You are forcing the interface to full duplex?
> Unless you link partner is also forced to full duplex, you will
> encounter network errors and serious performance problems.
> 
> I never recommend forced full duplex.  If you don't have autonegotiation
> on an Ethernet link, use standard Ethernet (CSMA/CD, "half duplex").
> 
> If you want to limit the negotiated speed, use the '-A' option to the
> mii-diag program to limit the advertised capabilities:
>       http://www.scyld.com/diag/index.html
> 

That worked! Using 'mii-tool -A 10baseT' works. This seems to do sane 
autonegotiation with the switch.

Thanks.
-Amit
-- 
I'm an angel!!! Honest!
The horns are just there to hold the halo up straight.
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                  Amit Kucheria
          EECS Grad. Research Assistant
         University of Kansas @ Lawrence
   (R): +1-785-830-8521 ||| (C): +1-785-760-2871
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