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Re: [PLUG] Why is my MAC changing?
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On Wed, Jul 29, 2009 at 10:23 AM, sean finney<seanius@seanius.net> wrote:
> On Wed, Jul 29, 2009 at 06:52:22AM -0700, Gordon Dexter wrote:
>> So this morning I get on and I'm in the captive portal again, and it's
>> asking me to pay again. Not fun. I call help desk and they put me on
>> hold for so long that I start to fiddle around and I notice that instead
>> of eth0 my interface is called eth3 for some reason, and it has a MAC
>> address of 00:00:20:00:00:00 or something similar (I know it was zeros
>
> i dont know why it's changing, but you can probably find your "old"
> mac address in /etc/udev/rules.d/70-persistent-net.rules (or thereabouts),
> in case you need to get back to your old address to avoid a need to pony
> up for another 12 bucks today.
>
>
> sean
Anyone know how the kernel handles MAC address collisions? Since you
are at a DEFCON, its possible someone sniffed your MAC and is now
squatting on it to avoid $12 ponies.
Amul
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