[Noisebridge-discuss] IEEE OUI block

Jonathan Lassoff jof at thejof.com
Wed Mar 2 10:01:38 UTC 2011


On Wed, Mar 2, 2011 at 1:36 AM, Dr. Jesus <j at hug.gs> wrote:
> On Tue, Mar 1, 2011 at 1:33 PM, Jonathan Lassoff <jof at thejof.com> wrote:
>> On Tue, Mar 1, 2011 at 1:22 PM,  <alex at alexperez.com> wrote:
>>>> On Tue, Mar 1, 2011 at 9:51 AM, Dr. Jesus <j at hug.gs> wrote:
>>>>> Does anyone maintain an IEEE OUI?  I want to buy something like 64
>>>>> valid addresses for a project, and an IAB is way more than I need.
>>>
>>>
>>> Why not just use/steal one from a range allocated to Xerox? It's not like
>>> they've made Ethernet devices in the last 20+ years
>>
>> Aint that the truth! Poor PARC... always getting the short end of the stick. :p
>> I bet there are a lot of unused OUIs out there (I wonder if there's a
>> yearly maintenance cost to the IEEE. I doubt they'd ever rescind and
>> re-issue an OUI though).
>
> You only pay annually if you want a private registration.
>
>> Is this for something that you'll pass onto a third party?
>> You could also just set the IG bit (second-least significant bit in
>> byte number 1) and create your own internal assignment/uniqueness
>> protocols.
>
> I did think about a locally administered address, but it's going in a
> shipping product.
>
> For the record, the answer is to buy a SEEPROM with a MAC address built in:
>
>  http://www.microchip.com/ParamChartSearch/chart.aspx?branchID=7044
>
> Dallas/Maxim has some parts that do the same thing.

Wow. That is an amazingly application-specific chip. Cool find!
That really seems like the right answer for a small quantity of units.

Cheers,
jof



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