For what it's worth, about six months ago I noticed two new G5s (1.8GHz DPs)
on the same subnet would -insist- on leasing the same IP. I know no one
will believe this, but it turned out that both machines (part of the same
production batch, BTW) shipped with identical MAC addresses. No, really.
I'd never seen that, anywhere, and it took a little while to convince Apple
that had happened [at which point they got pretty interested; with the
possibility of that happening more than once on the production line would be
very, very bad.)
So, who knows? It's worth the ten seconds it takes to look at the ethernet
IDs.
--j!m
> ----------
> From: macos-x-server-bounces+jimmy=email@hidden
> on behalf of Simon Slavin
> Sent: Monday, January 31, 2005 4:03 AM
> To: MacOS X Server List
> Subject: Re: Ghost computers using my static IP
>
>
> On 29 Jan 2005, at 2:43pm, Drew Loker wrote:
>
> > On 27 Jan 2005, at 9:04pm, Drew Loker wrote:
> >
> > >> An ongoing problem is that there are 3 other computers show up
> > with my
> > >> same static IP when I do a network lookup.
> >
> > > Then you have malfunctioning network hardware. It should never
> > allow this.
> > > The second and third computers should just be told that their IP
> > address
> > > is already in use. Mac OS X handles this correctly but it seems
> > that your
> > > routers aren't.
> >
> > Today, I personally went to the machines in question, and they are
> > NOT set to a static IP. In fact, the IP address of the machine was
> > different than the Network Lookup said that machine had.
>
> Ahahaha ! I told you. Well, first your admin needs to find out why his
> network is allowing three computers to have the same IP addresses. I
> assume they're Windows computer since the Mac OS should automatically
> prevent this.
>
> > What could be going wrong with the DNS Server? I have contacted the
> > district network admin and he does not know what could be going on.
>
> Do you have DNS service turned on on any of your own computers or are
> you
> just using DNS supplied by another computer on your network ?
>
> Are you using DHCP to supply an IP address for your computers ?
> Is your admin using DHCP to supply an IP address for any of the other
> computers which are using your preferred IP address ?
>
> Simon
> --
> Simon Slavin Fylde College Room C11
> Computing Development Officer 01524 65201 x 93569
> Psychology Department
> University of Lancaster
>
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