[U-Boot] Fw: TFTP fails when using network switch

Jerry Van Baren
2009-01-21T12:23:53Z

Loren A. Linden Levy wrote:
> Hi Jerry,
>
> Your gonna love this. I was setting the hardware MAC address to be
> FF:FF:FF:FF:FF:FF. When i changed this everything magically started
> working. I guess this MAC has some meaning like the device is a
> router. Anyway, i learned a lot while trying to figure this
> out. Thanks again!
>
> Alex

That is a multicast (broadcast) address (the bit 0x01 in the first octet
is set). Very wrong, as you now know.
<http://www.denx.de/wiki/view/DULG/EthernetDoesNotWork>
<http://www.denx.de/wiki/DULG/WhereCanIGetAValidMACAddress>
More detailed explanation:
<http://en.wikipedia.org/wiki/MAC_address>

Best regards,
gvb