Subject: Re: bge sending garbage frames
To: Chris Tribo <ctribo@dtcc.edu>
From: Patrick Welche <prlw1@newn.cam.ac.uk>
List: current-users
Date: 11/10/2005 15:00:50
On Wed, Nov 09, 2005 at 07:15:20PM -0500, Chris Tribo wrote:
> 
> I agree, but it should not be necessary according to the NWAY spec.
> 
> "If Auto-Negotiation exists at only one end of a twisted-pair link, it
> determines that the Link Partner does not support the Auto-Negotiation
> mechanism. Instead of exchanging configuration information, it examines
> the signal it is receiving. If Auto-Negotiation discovers that the signal
> matches a technology that the device supports, it will automatically
> connect that technology. This function, known as Parallel Detection, gives
> Auto-Negotiation the ability to be compatible with any device that does
> not support Auto-Negotiation, yet supports: 10BASE-T, 100BASE-TX, or
> 100BASE-T4. Connection to any technology via Parallel Detection other than
> those listed above is not supported by Auto-Negotiation."

That seems quite impressive given

  http://www.cisco.com/warp/public/473/46.html

In the table, if the nic is 100FD and the switch auto, the result is
100HD ie. NBG..

Cheers,

Patrick