You can try and delete

/etc/udev/rules.d/70-persistent-net.rules

and then reboot, it should auto regenerate the network interfaces and 
pickup the mac addresses from the hardware.

==>brian.


On 03/02/2012 11:37 AM, Florin Iucha wrote:
> On Fri, Mar 02, 2012 at 09:33:15AM -0800, Olwe Bottorff wrote:
>>>>   So how do I detect the real MAC address on my new machine
>>>>   and get Linux to see it? Or am I not correct in thinking each machine
>>>>   must have a unique MAC address?
>>>
>>> Boot a rescue distribution (to avoid some local scripts setting up a
>>> MAC) and run 'ifconfig -a'.
>>>
>> If I boot into the Ubuntu install CD (in my case USB drive), it should
>> immediately pick up the hardware MAC for the Wireless, right? By the
>> time the "Try" "Install" screen comes along it should see Wifi and want,
>> e.g., a password, right? If it doesn't see Wifi, then it's not an issue
>> of the cloned drive carrying over bad kernel-level info, right?
>
> I don't know if Ubuntu installer is willing and able to set up
> wireless cards (to use during installation or post-install).
>
> For checking the wireless network I would try something like Knoppix.
>
> Cheers,
> florin
>
>
>
>
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