Changing the MAC address on a LAN adapter
freebsd-questions at herveybayaustralia.com.au
Mon Jan 24 23:06:09 UTC 2011
On 01/25/11 04:44, Fred wrote:
> 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.
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> 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,
Yes, but for lagg to work both adapters need the same MAC- otherwise
routing wouldn't work properly (long story short).
BTW, my wifi is iwn and I have had no trouble.
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