[olug] Ethernet Auto-negotiation and Duplexing on Linux

Derek & Lisa olug at robotz.com
Fri Aug 8 19:03:22 UTC 2003


mii-tool is in what package?  it does not seem to be installed.

ty

On Friday 08 August 2003 1:39 pm, Ryan O'Rourke wrote:
> On Fri, 2003-08-08 at 13:32, Derek & Lisa wrote:
> > Ethernet Auto-negotiation and Duplexing on Linux
> >
> > We recently had an issue where our Fiber provider informed us our Linux
> > router had to be hard set to auto negotiate off, 10mbps full duplex.  The
> > unit in question had old NE2000 complaint drivers/cards.   Currently
> > there is approximately 20% bandwidth drop across this unit.  Turning
> > autoneg off and settings the parameters manually is supposed to fix this
> > throughput issue according to our fiber provider.  The unit is connected
> > directly to their fiber equipment (starting with a Lucent switch) which
> > apparently does not like auto-negotiation.
> > My questions are, should I trust ethertool?  And, does anyone have
> > experience with turning auto-negotiation off on an Ethernet device under
> > Linux?
>
> I don't know if you should trust ethertool or not, but have used
> mii-tool with great results for these kinds of things in the past.
> man mii-tool
> It's very easy. Hope That Helps.
>
> -- Ryan
>
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