Zero MAC address

[matt]

On 03/14/12 14:06, Adarsh Joshi wrote:
> Hello everyone,
>
> I assigned a 00:00:00:00:00:00 MAC address to one of my interfaces on a machine and tried to ping the peer machine. The ping did go through fine.
>
> I can the see the request and reply packets on the packet capture. I am wondering if that is legitimate and if not, who is supposed to check that. I mean, the stack or the driver on the sending machine or the receiving machine.
>
> Basically, I am trying to test a statistics utility which keeps track of packets with invalid MAC addresses.  Are the packets with zero MAC addresses be classified as invalid?
>
> Thanks a lot
> Adarsh
>
>
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My impression is that 00:00:00:00:00:00 is the very first ethernet phy 
as assigned by Xerox?
As far as I know there is no special role at layer 2 for zeros.

Matt