[eepro100] Linux Full Duplex
Thu, 25 May 2000 17:32:24 +0100
Donald Becker wrote:
> On Wed, 24 May 2000, Leonardo Rodrigues wrote:
> > zeus kernel: eth0: Intel EtherExpress Pro 10/100 at 0xfce0,
> > 00:A0:C9:83:07:9E, IRQ 5
> > Questions: Is this board 100Mbps FULL duplex capable ?
> > If the answer is
> > yes, how can I enable it ? The NIC is plugged on a Cisco 100Mbit FULL
> > duplex capable switch, with autonegotiation, but Linux isn=B4t getting =
> > duplex automatically on, as its supposed to be.
> It should negotiate full duplex automatically.
> Run 'mii-diag' or 'mii-diag --watch' to see the status
> If you have forced full duplex on the Cisco, you have disabled
> autonegotiation. Turn it back on.
Almost coincidently, I had this exact scenario last night. I have
an Intel 550T switch, which I'd misconfigured to force full-duplex
on the ports. Of course, this didn't work very well... Once set
to auto-negotation, Linux changed from half to full without any
interaction from me.
Fred Barnes, PhD research student, UKC. http://nuked.xylene.com/