Changing the MAC address on a LAN adapter

Paul B Mahol onemda at
Sun Jan 23 14:20:57 UTC 2011

On Sun, Jan 23, 2011 at 3:38 AM, John Levine <johnl at> wrote:
> My Lenovo laptop running 8.1 has two ordinary Intel network adapters,
> a wired PRO/1000 with the em driver and a WiFi PRO/Wireless 5300 with
> the iwn driver.  They work fine, but for either one if I use ifconfig
> to change the MAC address, the adapter won't actually work until I
> change the address back to the native one.  Typical symptoms are
> endless DHCP queries with no response.
> Is this a known problem?  As far as I know, it's supposed to work.

How you change MAC address? With "ether" command?

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