MAC 81:58:68:fa:81:58 - Ignore it

Sorin PAUN Laurentiu-Sorin.Paun at
Mon May 3 11:52:38 EDT 2004

Please ignore the message, it was just a C programming mistake.


Sorin PAUN wrote:
> Dear all,
> Have you ever heard about this strange MAC address: 81:58:68:fa:81:58 ?
> I'm working on buffering packets for a station on the new AP it will 
> connect to,using some facilities of ARP, and just trying to see how it 
> works without the buffers, I see:
> A distant host sends UDP packets to the station via the new AP, which 
> operate as a router, 50ms before the station get associated. On the 
> router I see packets go the wlan0 interface immediately, not sent to the 
> real MAC address of the client, but to 81:58:68:fa:81:58 (captured with 
> tcpdump&ethereal on wlan0 interface). This MAC is independent to the 
> real MAC address of the client, I tried more clients.
> Also, I found packets sent
> And surprize, the client ge these packets 50ms later, the packets being 
> addressed to the MAC 81:58:68:fa:81:58 too...
> Sorin.
> Ph.D. candidate, IMAG Grenoble, France.

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