On Tue, Nov 01, 2005 at 02:46:02PM -0500, Chris Tribo wrote:
> 
> If I force the media to 10BaseT or 10baseT-FDX, the NIC works fine,  
> if I go from 10 to 100/100FDX directly, the NIC freaks out and starts  
> sending garbage to the switch nonstop. The port activity light is on  
> constantly at the switch with no traffic going out any of the other  
> ports.
> 

Sounds like the switch port is not auto-negotiating up to 100Mbit/s
but instead is sticking at 10Mbit/s - hence the weirdness on the port
activity.  I have seen exactly that happen when plugging a 100Mbit/s
NIC into a 10Mbit/s port, the activity light was always on full time.

-- 
Brett Lymn