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What's the best way to monitor (and log) duplicate ip address in a network?

 
 
T Lee
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      12-01-2004, 12:25 AM
I manage an internal firewall/gateway between development lab and
company network.

I am looking for way to log all duplication ip addresses occurrances
in the lab and give timely notification to engineers to fix the problem.


What's the best methods/tools to monitor this?

I am looking into ntop, ping -b, but they don't have exactly
what I wanted.


Thanks

-Tony
 
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Tauno Voipio
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      12-01-2004, 06:25 AM
T Lee wrote:
> I manage an internal firewall/gateway between development lab and
> company network.
>
> I am looking for way to log all duplication ip addresses occurrances
> in the lab and give timely notification to engineers to fix the problem.
>
>
> What's the best methods/tools to monitor this?
>
> I am looking into ntop, ping -b, but they don't have exactly
> what I wanted.
>
>
> Thanks
>
> -Tony


Check arpwatch. It monitors the IP/MAC address pairings.

--

Tauno Voipio
tauno voipio (at) iki fi

 
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