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XP & Mac addresses

daemon@ATHENA.MIT.EDU (Matthew K. Arthur)
Fri Feb 1 15:58:36 2002

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Message-ID:  <009c01c1ab60$f33b89a0$c92bfc80@rts.wustl.edu>
Date:         Fri, 1 Feb 2002 14:42:22 -0600
Reply-To: "Matthew K. Arthur" <arthur@wustl.edu>
From: "Matthew K. Arthur" <arthur@wustl.edu>
To: RESNET-L@listserv.nd.edu

Sorry to bother everyone about this, I seem to recall it has been mentioned
already but...

We have a student who is running XP.  Everytime he reboots his machine, his
MAC address changes by one digit (usually the first digit).  He has a
Linksys 10/100 card and we have Cisco 10/100 autosensing switches.  Cisco
wants to say it is a problem between the card and the switch.  I want to see
what the Cisco tech is smokin'   The problem is that with our auto-reg
system, he is forced to replace his old registration each time he reboots
onto the network AND after x number of MAC address changes the port shuts
off.

I can solve the port problems, I need to know if anyone has figured out why
XP does this and HOW to make it stop.

Thanks in advance to all.  GO RAMS!!

Matt

Matthew K. Arthur
Associate Director
NTS - Residential Technology Services
Washington University in St. Louis (RAMS)
W: 314-935-6845, F: 314-935-8308
arthur@wustl.edu

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