Slow transfer with 21140 card
John Fulmer
jfulmer@iegroup.com
Wed Jul 22 20:06:33 1998
Keith Dart wrote:
>
> On Wed, 22 Jul 1998, Robert G. Brown wrote:
>
> > On Wed, 22 Jul 1998, Hannu Krosing wrote:
> >
> > > You are probably right. But are the switches _always_ full-duplex ?
>
> No, they don't have to be. Most modern switches can be either full or half
> duplex, and this is auto-negotiated via a protocol first developed by
> N-Way. Alas, interoperability has been poor with this feature, and it
> doesn't always work properly.
However, I have seen some switches that do auto-negotiation that forces
full-duplex as the default. Or at least some integrators that do it....
jf
--
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+ John Fulmer | "UNIX was not designed to stop +
+ Secure Network System | you from doing stupid things, +
+ Lawrence, Kansas | because that would also stop you +
+ | from doing clever things." +
+ jfulmer@iegroup.com | +
+ http://www.iegroup.com | -- Larry Wall +
+ "The opinions contained above may not reflect those of SNS" +
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