On Mon, Jan 26, 2009 at 8:20 AM, Bart Silverstrim <bsilver at chrononomicon.com> wrote: > Might be related to the MAC addresses thread question...but I'm hoping > there are some scripting gurus that have done this. Take a look at arpwatch - ftp://ftp.ee.lbl.gov/arpwatch.tar.gz - http://en.wikipedia.org/wiki/Arpwatch Brian