Changing the MAC address on a LAN adapter

Paul B Mahol onemda at
Mon Jan 24 15:14:35 UTC 2011

On Sun, Jan 23, 2011 at 3:47 PM, John R. Levine <johnl at> 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.

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