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Date: Tue, 25 Jan 2011 01:37:32 +1000
From: Da Rock <freebsd-questions@herveybayaustralia.com.au>
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Subject: Re: Changing the MAC address on a LAN adapter
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On 01/25/11 01:14, Paul B Mahol wrote:
> On Sun, Jan 23, 2011 at 3:47 PM, John R. Levine<johnl@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