IP Address Problems

[Andrew Jorgensen]

On 1/9/06, dan <hentaidan at gmail.com> wrote:
> On 09/01/06, Mike Bird <mgb-ubuntu at yosemite.net> wrote:
> > Dan,
> >
> > Your ISP is giving you the new IP's.  They need to figure out
> > WHY they're giving you the new IP's.  About the only thing you
> > could be doing wrong is randomizing your MAC address and that
> > seems unlikely.
>
> MAC on the registered machine has always been the same, and the
> spoofed MAC address has always been the registered one; I built it
> into my (overzealous) script.
>
> And as I understand it I couldn't connect to the network with an
> un-registered MAC address at all.

You say you have written your own script to spoof the MAC address? 
This is very likely the source of your troubles.  When does this
script run?  (What other script triggers it?)  What exactly does your
script do?