Thanks to everyone who replied. 

I should have mentioned that I am back on line and my static IP is working.  I just found it odd that Cox would offer a different IP than the one I am assigned if I did not set my router up for a static IP.  I assumed that when my router asked for the IP Cox would provide the static IP automatically.

------------------------
Keith Smith

--- On Thu, 8/30/12, Michael Butash <michael@butash.net> wrote:

From: Michael Butash <michael@butash.net>
Subject: Re: Cox Cable / Static IP / New Router
To: plug-discuss@lists.plug.phoenix.az.us
Date: Thursday, August 30, 2012, 12:24 PM

If you do that, reboot your modem at the same time.  From a docsis level
they filter only one mac at a time (unless you pay for more), and
flipping mac's won't always simply work.

-mb


On 08/30/2012 11:55 AM, JD Austin wrote:
> They go off the network mac address that you're sending them; many
> devices let you spoof anything you want.
> If you can still boot the old one get it's mac address and spoof it on
> the new one.
>
> On Thu, Aug 30, 2012 at 11:33 AM, keith smith <klsmith2020@yahoo.com
> <mailto:klsmith2020@yahoo.com>> wrote:
>
>
>     Hi,
>
>     Last night, after 6 years of good loyal service, my D-Link router
>     died.  I just happened to have a never used 2 year old Netgear
>     router in my closet.  I hooked it up and everything was fine at
>     first. I have a static IP and it changed.  I called Cox and was told
>     I needed to configure my router to tell them what my IP is.  I'm not
>     a network guru, so this hit me kind of strange.  I thought they
>     assigned IP's.
>
>     Any thoughts on this are much appreciated.
>
>     ------------------------
>     Keith Smith
>
>
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