On Sun, Jul 27, 2003 at 08:41:15PM -0400, Greg Folkert wrote: > On Sun, 2003-07-27 at 20:16, Joyce, Matthew wrote: > > Does anyone know of a tool or util which can list all the mac addresses > > being used on a lan ? > > I'm trying to discover if foreign devices are being connected over the > > weekend. > > > > Ideally I'd like to be able to compare one list with another and see the > > difference. > You have to have a node on the segment you want to watch, and then use > "arp" > > It has a few variations of usage, but should be able to cover your > needs.
One addition to this is to send a ping to broadcast before running arp, unless it's filtered out every machine on the subnet will reply so your arp table will have the full list. -- Michael Heironimus -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]

