Date: Wed, 14 Mar 2012 16:43:22 -0700 From: matt <sendtomatt@gmail.com> To: Adarsh Joshi <adarsh.joshi@qlogic.com> Cc: "freebsd-drivers@freebsd.org" <freebsd-drivers@freebsd.org> Subject: Re: Zero MAC address Message-ID: <4F612D1A.9020207@gmail.com> In-Reply-To: <5E4F49720D0BAD499EE1F01232234BA87438162F44@AVEXMB1.qlogic.org> References: <5E4F49720D0BAD499EE1F01232234BA87438162F44@AVEXMB1.qlogic.org>
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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 > > > ________________________________ > This message and any attached documents contain information from QLogic Corporation or its wholly-owned subsidiaries that may be confidential. If you are not the intended recipient, you may not read, copy, distribute, or use this information. If you have received this transmission in error, please notify the sender immediately by reply e-mail and then delete this message. > _______________________________________________ > freebsd-drivers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-drivers > To unsubscribe, send any mail to "freebsd-drivers-unsubscribe@freebsd.org" > 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
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