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Wireshark-users: Re: [Wireshark-users] Please help me :(

From: Gerald Combs <gerald@xxxxxxxxxxxxx>
Date: Thu, 23 Oct 2008 09:04:51 -0700
onur cinar wrote:
> I am working as a asistant student in a school’s one of the department.
> In our department we gave ip address to users so every computer has
> different IP s. However sometimes there is an error that “ There is an
> IP conflict in the Lan” and we want to follow who are using same
> address. I want you to help me how to solve this problem.

If you have a managed switch, you should be able to look up the offending MAC
address in the switch's CAM or MAC address table. If you don't have a managed
switch, consider getting one. They provide a lot of awareness and control, and
many models are amazingly cheap.