Changing the MAC address on a LAN adapter
fred at blakemfg.com
Mon Jan 24 19:00:04 UTC 2011
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
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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.
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