Changing the MAC address on a LAN adapter

[Fred]

Da Rock wrote:
> On 01/25/11 01:14, Paul B Mahol wrote:
>> On Sun, Jan 23, 2011 at 3:47 PM, John R. Levine<johnl at iecc.com>  wrote:
>>   
>>>>> Is this a known problem?  As far as I know, it's supposed to work.
>>>>>          
>>>> How you change MAC address? With "ether" command?
>>>>        
>>> # ifconfig em0 ether 01:17:a4:8f:04:5d
>>>      
>> Well, if it does not work it can be driver bug.
>>
>> In iwn case try to set MAC address of iwn before creating wlan or
>> you will need to set same MAC on wlanX and iwn.
>>    
> Actually I can confirm that. I use lagg for failover, and I remember 
> now you have to set the 'real' interface to the MAC of the other lagg 
> member, not a 'psuedo-device' or it won't work. Same principle applies 
> here.
>
> HTH
> _______________________________________________
> freebsd-questions at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to 
> "freebsd-questions-unsubscribe at freebsd.org"
>
>
>
Ethernet MAC addresses are assigned by the manufacturer of the 
equipment.  Each unit gets a unique address which generally can't be 
changed and shouldn't be changed.  The manufacturer buys a block of 
addresses from the IEEE.

Best regards,
Fred