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


-- 
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ 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  +
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