We have home grown scripts that harvest all mac addresses from our cisco edge switches and cisco wireless controllers. We store these mac addresses in a database along with what device (and port/radio) they were connected to. With this data, it was easy for us to write a script to take a list of stolen mac addresses and query the database. If any mac address shows back up on our network we are alerted by email.

On Tue, 9 Dec 2008, Hector J Rios wrote:

Date: Tue, 09 Dec 2008 23:05:54 -0600
From: Hector J Rios <[EMAIL PROTECTED]>
Reply-To: The EDUCAUSE Wireless Issues Constituent Group Listserv
    <[email protected]>
To: [email protected]
Subject: [WIRELESS-LAN] Detecting Stolen Laptops...

Once in a while we get calls from the university police department
asking us to search for stolen laptops. We use the stolen laptop's MAC
address to search in both DHCP and WCS (we are a Cisco shop). We've
never been successful in recovering a stolen laptop. So far the thieves
have been smart enough not to ever bring those laptops back into our
campus. I'm curious to know if any of you have come up with a way to
automate the detection of a wireless device. Something like waiting for
a laptop's MAC to come on the wireless network and immediately sending
an email to an operator.



Thanks,



Hector Rios

Louisiana State University


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--
Todd M. Hall
Sr. Network Analyst
Information Technology Infrastructure
Mississippi State University
[EMAIL PROTECTED]
662-325-9311 (phone)

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