Re: How to setup 100Mb/sec full duplex networking on Ultra-80?
On Sun, Jul 29, 2001 at 02:53:08AM +0200, Guenter Millahn wrote:
> On Sun, 29 Jul 2001, Craig Ian Dewick wrote:
>
> > On Sun, 29 Jul 2001, Guenter Millahn wrote:
> >
> > > Hello community,
> > >
> > > I have an Sun SPARC Ultra-80 running Debian/woody together with an older
> > > switch (LattisSwitch 28115 by Bay Networks).
> > > The Workstation has a standard hme (happy meal) network card.
> > >
> > > Something with the autonegotiation doesn't work, probably because of the
> > > age of the switch. I have configured 100 Mb/sec full-duplex on the
> > > switch, but the Debian box falls back to 100 Mb/sec half-duplex. Another
> > > effect on this box: After a reboot of the switch the connection is down
> > > until I remove the plug from the switch and plug in it again.
> >
> > It also depends what you're connecting it to. If it's a network hub
> > (without the intelligence of a switch) it'll always default to
> > half-duplex. If it's connected to a switch (whether it be a level 2 or a
> > level 3 switch) it should default to full-duplex. At least that's how it
> > behaves with Solaris, and the limited experience I've had with
> > Debian/Sparc shows the same result.
>
> The switch is a level 2, 100Mb/sec, with full-duplex capabilities from the
> early days of FastEthernet networking. But the main question for me is, how to
> force the debian woody box to go to 100 MBit full duplex mode?
You have to use the ethtool program. If that doesn't work (as in it
gives you some weird ioctl errors), I'll have to get you an updated
version since that would mean you are using a 2.4.x kernel :)
Ben
--
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/ Ben Collins -- ...on that fantastic voyage... -- Debian GNU/Linux \
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