OT Cable Modem Woes

[Mark Phillips]

Thanks for the info! Do you know any reasonable cable installers who could
replaces the coax in my house? It is over ten years old, and probably the
problem. The cable to the dmz is just a year old, and at the opposite end
of the house from the cable modem. I have also been having some issues with
the tvs in the house, so time to replaces all of it.

Mark
On Feb 20, 2015 9:35 PM, "Zany Yan" <sirlight at cox.net> wrote:

> Mark,
>
> I used to have a LOT of problems with my Cox connection. It was working
> then it would start recycle the modem like every 2 mins for a long while.
> My signal was CRAP!!!!!
>
> Finally, it totally quit all together. Couldn't even connect. Finally, a
> Cox technical person came over. Looked at my cable from the DMZ box on the
> side of the house to inside with a meter and it was VERY bad.
>
> Ended up totally replacing the cable from the DMZ box all the way to the
> cable modem.
>
> Once that was done, my connection came back.
>
> You want to call COX Internet technical support line, don't call the help
> line. Make sure you keep telling them that the connection has been dropping
> like crazy.
>
> Jon
>
> On 02/20/2015 08:06 PM, Mark Phillips wrote:
>
>> I have a 1-3 year old Motorola Surfboard SB6141 and Cox. The modem and
>> my LAN are up 24/7. Recently, I have been loosing my connection to the
>> Internet. My local LAN is up (I can ping/ssh other computers on the LAN)
>> but I get and error message of "Can't resolve host" when I try to ping
>> google. A quick power off, wait 30 seconds, power on of the modem fixes
>> the problem. These outages are happening more frequently - daily for the
>> last two days. The lights on the front of the modem are not different
>> between running normally and unable to access the Internet.
>>
>> The downstream signal to noise is 37 - 38 dB @ 14 dBmV. The upstream
>> power level is 41 - 45 dBmV.
>>
>> I am seeing this in the logs for the modem on a regular basis after the
>> reboots
>>
>> MIMO Event MIMO: Stored MIMO=-1 post cfg file
>> MIMO=-1;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;
>> CM-QOS=1.1;CM-VER=3.0;
>>
>> TLV-11 - unrecognized
>> OID;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-
>> QOS=1.1;CM-VER=3.0;
>>
>> Do I need to buy a new modem? Is there anything Cox can do?
>>
>> Thanks,
>>
>> Mark
>>
>>
>>
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