Ethereal-dev: Re: [Ethereal-dev] OUI: Organization Unique Identifier

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From: Dominique bastien <ip6helper@xxxxxxxxx>
Date: Wed, 19 Jan 2005 16:04:34 -0500 (EST)
Yes it's exactly this one. Many protocols put the 3 bytes OUI inside the payload to know the which vendor implement the extension.

Gerald Combs <gerald@xxxxxxxxxxxx> wrote:
Dominique bastien wrote:
>
> Can someone indicate to me the way to get the name of the companie
> that own the MAC address. I try to find the code inside the ethernet
> dissector but I found that is the call to proto_tree_add_ether()
> that seem to do the job. In my case I want to display only the 3
> bytes from the payload.

Are you looking for the information contained in Ethereal's "manuf" file?

http://www.ethereal.com/distribution/manuf.txt

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