[CentOS] the wandering MAC?

Wed Oct 13 16:46:03 UTC 2010
Giles Coochey <giles at coochey.net>

  On 13/10/2010 18:37, Boris Epstein wrote:
> On Wed, Oct 13, 2010 at 12:35 PM, Benjamin Franz<jfranz at freerun.com>  wrote:
>> On 10/13/2010 09:28 AM, Boris Epstein wrote:
>>> What's happening is, it is showing up under one of the two MAC's:
>>> either 00:0a:cd:1a:c1:71 or 00:00:00:00:c1:71. If you reboot it the
>>> MAC stays the same; if you shutdown and do a full powerdown it seems
>>> to change.
>> I would say the card is probably dying and replace it.
> Thanks.
> That's possible, sure. I wonder though - it seems to work just fine
> when it's up, pretty fast, no abnormal error rate, it is brand new.
> But you could be right, of course.
I've tended to find that when a card is failing the MAC address starts 
setting itself to FF:FF:FF:FF:FF:FF not 00:00:00:XX:XX:XX

The first three bytes are Vendor ID on a MAC address, you haven't got 
anything in there that might fiddle with that? Is it an OEM card?