Make sure that you update the MAC address with charter, and that they actually update it. I've had a few problems where they haven't even though they said they did.

Also, a lot of modems have diagnostic suites built in. An easy enough way to get at it is to turn it off, and unscrew the coax line. Now boot it up, and it won't get an IP from charter, but it should give your router an ip like 193.168.100.100, and the gateway should he something like 192.168.100.1 (check for specifics) but that gateway is your modem. Punch that IP into a browser and see what comes up, usually the password is something stupid, and a Google search will yield it if its not admin. Keep in mind you pulled the cable, so it will show that. This will also work when you have no internet, and it usually shortens phone calls with Charter.

sent from my mobile
Eric

On Sep 26, 2012 10:42 AM, "Richard Klein" <rich@richardklein.org> wrote:
Liz,
   I live in Clinton these days, where Verizon DSL and Comcast are the
only options.  Comcast is faster, but their monthly data caps made
Verizon the better choice for me (not to mention my general distaste
for cable companies).

   I recently had superficially similar problems.  I went on freecycle
and got someone's old DSL modem to swap for my own, to rule that out,
but I got impatient and bought a new modem before I got the reply from
freecycle.  In any case, you probably can get another cable modem off
freecycle for testing purposes.

   After the new modem didn't fix things, I finally called Verizon.
They sent out a tech with a good "bedside" manner (he was friendly,
seemed to know what he was talking about, and didn't talk down to me).
 He didn't find anything wrong with my signal, but he did notice the
copper loop to my apartment was longer than necessary and cut down the
excess at the pole.  I haven't had any problems in the 2 months since.
 In retrospect, I think my problems were mostly on hot, humid days.

--
Rich

On Thu, Sep 20, 2012 at 7:11 PM, E Johnson <iris.gates@gmail.com> wrote:
> Umm. Non-happy camper.  ISP things have changed here, without me being
> informed. Recently (2 days ago) my modem started rebooting every little
> while. Zillions of T3 & T4 timouts in the modem log, Signal lavels were
> perfect when it was online.  I own this thing, a Motorola SB6120 purchased
> late June 2010. It has not been abused.
>
> I am in Woosta & we all know the ISP available here. 2 techs showed up
> mid-morning, to diagnose and fix this issue. One guy stood there watching;
> the other guy "did stuff." They checked the signal levels on incoming line
> from the box connected to the pole our back, and declared my moden Dying.
> They talked to each other (not me) & seemed to think I was Granny-in-a-Box,
> until they let me say more than one sentence.
>
> These guys also confessed that since July 202, Ch4rter does not "allow"
> customers to own/run their own modems. Their consolation prize is that they
> don't charge modem rental fees any more. (it's not on the bill, anyway,
> FWIW). They mumbled some other mumbo jumbo and fled 5 seconds after they
> learned I have my own router too, & didn't care if the modem and router were
> yet in communication. They just said "better reboot" and they "no longer"
> service "wireless" --which I am not running except when certain visitors
> appear. I think they meant they don't diagnose routers, which has always
> been the policy, and which is fine. Internal LAN issues aren't their
> problem.
>
> So now I have a modem which may or may not be sick, but no way to test it to
> make sure. Is there anyone here who can take a look at this thing & test to
> see if it's Really Dying, or if Ch4rter deaded it with their  latest
> firmware revision of their firmware & policy change in July 2012?
>
> An interesting meeting theme sometime might be how to get the Verizon FIOS
> in Worcester. Several years ago I watched Verizon trucks & Verizon moles
> installing their fiber optics in manholes all over town. Ch4rter is running
> on Verizon's infrastructure. Ch4rter internet has been working better since
> then, but we're still locked out of the option to use verizon. Is this a
> topic of interest to anyone? If so, I'll lead the discussion and even buy
> the Pizz4. To me, this is a Large Pizza problem.
>
> Another interesting but probably futile discussion might center around why
> we have suddenly been deprived of the ability to watch the behavior and
> effectiveness of our modems, which serve internet coming from our ISP.. I
> was not informed of this -- was anyone who is just a 'regular' customer?
>
> Meanwhile, if anyone has a test lab or whatever, where they can test my
> declared-dead modem, please let me know. Otherwise it's probably a giveaway,
> or another piece of Landfill Fodder. I can bring to a meeting & can wait for
> results.
>
> Thanks &  happy pizzaz,
> Liz J
>
>
>
>
>
>
>
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