Re: Comparing hosts on a network to text file

[Johannes Truschnigg <johannes () truschnigg info>]

On Tue, Aug 07, 2012 at 02:37:48PM +0000, Morris, Andi wrote:
> Hi all, I’m looking to create a script, or use something already in
> existence to scan a network for hosts, returning the mac addresses active on
> the network.  The script should then compare the mac addresses discovered to
> a prepopulated text file and somehow notify me of any discrepancy.
> [...]
> Cheers, Andi

You may want to take a look at arpwatch (http://ee.lbl.gov/).

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