[Cialug] OT: Cable Modem troubelshooting

[David Champion]

Being a former ISP employee, I get that MC wants to control the modems, but
a huge nerd I also want to be able to control my network devices.

They temporarily loaned me one of their combined modem/router/phone
devices, I was like "uh, no". Took it back to them yesterday.

-dc


On Fri, May 1, 2020, 11:05 AM Jared Brees <fromj2sitsme at msn.com> wrote:

> Moost point since it's working now, but side note - you CAN mess with
> firmware, it just (if applicable) either requires soldering headers, or
> spinning up your own equipment, similar to what Mediacom has on the other
> end. Even if you do the 2nd option, that firmware is "gone" as soon as it
> reboots.
> ________________________________
> From: Cialug <cialug-bounces at cialug.org> on behalf of David Champion <
> dchamp1337 at gmail.com>
> Sent: Thursday, April 30, 2020 14:39
> To: Central Iowa Linux Users Group <cialug at cialug.org>
> Subject: Re: [Cialug] OT: Cable Modem troubelshooting
>
> After a couple more tech support calls and some help from Chris (who
> noticed I was getting a private IP address) I was able to get them to
> register my modem properly and now it works again.
>
> -dc
>
>
> On Thu, Apr 30, 2020 at 12:16 PM David Champion <dchamp1337 at gmail.com>
> wrote:
>
> > I plugged into the Arris modem and it does give me a dhcp address, I can
> > get into the modem at 192.168.100.1, I can view the software version, and
> > can see the Event Log.
> >
> > I may try doing a reset on the modem with the recessed pinhole and see if
> > it will work.
> >
> > Thanks,
> >
> > -dc
> >
> >
> > On Thu, Apr 30, 2020 at 11:42 AM Jimmy Lela <binaryvisionary at gmail.com>
> > wrote:
> >
> >> Dave,
> >>
> >> You're correct about the firmware, Mediacom controls that.  Last I knew
> I
> >> thought you could still access the modem's admin page and see useful
> >> things
> >> like TX power and SNR, but it's been a while, they may have locked that
> >> down.  Do you get anything if you browse to whatever IP the admin page
> >> should be at, like 192.168.0.1 or similar?  Actually I just tried, and
> my
> >> modem does respond at 192.168.01 but so far any default credentials I've
> >> tried haven't worked.
> >>
> >> I've been renting a modem/router from Mediacom too but it's in bridged
> >> mode.  I've been looking to buy my own and am leaning towards a new
> Arris
> >> SB, I've had good success with them.
> >>
> >> On Thu, Apr 30, 2020, 11:24 AM David Champion <dchamp1337 at gmail.com>
> >> wrote:
> >>
> >> > Off Topic question:
> >> > I have an Arris SB8200 cable modem on Mediacom, it was working
> perfectly
> >> > fine. Last week I started having flaky internet connection issues, it
> >> got
> >> > to the point where if I power cycle the modem, I could ping out to the
> >> WAN
> >> > gateway IP address for about 15 to 30 seconds, then it would stop.
> >> >
> >> > The modem had all 4 of the lights lit up normally, no indication of
> >> > problems.
> >> >
> >> > After bugging the 1st tier tech support guy at MC he finally looked
> hard
> >> > enough to confirm that they could see the connection dropping, and he
> >> > claimed they couldn't see the modem at all any more after that.
> >> >
> >> > Tech came out yesterday, said the modem was bad, they left me a modem
> /
> >> > router - Ubee 1301 as a loaner and they're charging me $50 for the
> >> service
> >> > call. I was able to get into the admin on it and turn off wifi and
> >> change
> >> > the LAN IP, seem  to be working.
> >> >
> >> > Question is: is there any troubleshooting I can do on the Arris modem?
> >> From
> >> > what I understand there's no way I can access it or update firmware,
> or
> >> see
> >> > if the provider pushed a bad firmware to it, I'm fully at their mercy.
> >> Is
> >> > this correct?
> >> >
> >> > Good thing I still have my old Internetsolver / Aureon DSL as a
> backup.
> >> >
> >> > -dc
> >> > _______________________________________________
> >> > Cialug mailing list
> >> > Cialug at cialug.org
> >> > https://www.cialug.org/cgi-bin/mailman/listinfo/cialug
> >> >
> >> _______________________________________________
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> >>
> >
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