>
> I believe there is a registry key to switch off that behaviour, or
> even plugging it into a switch rather than a crossover will probably
> do the job. You can google for the key, or someone (David?) posted it
> a week or two back if you wanted to dig through the archives.
>

Go to:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters

Add a new entry:

-Name: DisableDHCPMediaSense
-Typ: REG_DWORD -Boolean
-Value: 0, 1 (False, True) Default: 0 (False), 1 to disable MediaSense for TCP/IP.

Florian