Comcast Static IP Changed With New Modem?

Josh Luthman josh at imaginenetworksllc.com
Mon Feb 9 16:49:45 UTC 2015


With Time Warner Cable in my region that is expected 100% of the time.
Every single cable modem replacement requires you to initialize the static
IP configuration.  I expect the cable operators to operate similarly.


Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373

On Mon, Feb 9, 2015 at 11:41 AM, Justin Wilson - MTIN <lists at mtin.net>
wrote:

> Seen this happen quite often with Comcast.  They simply didn’t provision
> the new modem.  A simple call to them should correct it.  Done it two or 3
> times in the past 6 months.
>
> Justin
>
>
> Justin Wilson j2sw at mtin.net
> http://www.mtin.net
> Managed Services – xISP Solutions – Data Centers
> http://www.thebrotherswisp.com
> Podcast about xISP topics
> http://www.midwest-ix.com
> Peering – Transit – Internet Exchange
>
> > On Feb 9, 2015, at 11:32 AM, Justin Krejci <JKrejci at usinternet.com>
> wrote:
> >
> > Has anyone run into the situation where their static IP address from
> Comcast (on the business class cable modem Internet service) was changed
> when the modem was replaced?
> >
> > We have a remote site that uses Comcast as a backup Internet connection
> and when we went to use it recently our VPN tunnel would not establish.
> After working with the Comcast support group we discovered Comcast changed
> our static IP address. I am working through trying to figure out the when
> and the why with Comcast still and suspect it was changed when the modem
> was replaced back in December. The modem was replaced by Comcast as our
> previous modem was apparently EOL'ed.
> >
> > We're now setting up additional monitoring to verify the accessibility
> of our remote site via the Comcast connection so we don't have any future
> uh-ohs when we need to use our backup connection and it too is not fully
> functional.
> >
> > TIA,
> > -Justin
> >
>
>



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