Do you tried arpwatch? Or Languard Network Scanner from www.gfi.com Robert
> -----Ursprungliche Nachricht----- > Von: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]Im > Auftrag von Xaos > Gesendet: Samstag, 7. Dezember 2002 01:07 > An: [EMAIL PROTECTED] > Betreff: IP conflict and mac > > > I recently came upon a situation with one of my clients where his Active > Directory Controller would show an IP conflict error message every few > seconds... > All the workstations machines had DHCP whose range was nowhere near the > server's ip and all the other server and routers etc. had different > static ips... > The server system log showed the MAC address of the machine that was > trying to claim the IP but I didn't find any way to find it on the lan... > I tried several MAC address scanners and the arp -a command (in case > anything was registered there) but nothing came up... > It turned out it was an old hub some stupid admin had decided to put > back online but it was pure chance we found that out... > > The question remains... sort of checking all mac addresses by hand is > there an easy way to locate a machine simply by it's mac and nothing else? > > Thanx for your time... :-) > > >