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Forum Discussion
C7000-100NAS randomly drops internet connection
Hello, My C7000-100NAS modem seems to randomly drop it's Comcast connection. This happen on 2.4 ghz, 5 ghz, and wired connections. There is no pattern, however the dropped connection usually last...
I'm having the same issues, I had Comcast out half a dozen times and they have done everything they can to try and fix, when they show up no issies are found, but they have removed splitters, replaced the ends on cables, boosted the signal with an amplifier. Still happens, been happening ever since I bought the modem, now I'm starting to believe it;s the modem not Comcast.
It is not Comcast. C7000, a $220 asset, is in my closet now. I have written it off ass a loss and lesson learned. I almost threw it away or lit it on fire in protest. But, I chose to keep it around as a reminder. I replaced my setup with ASUS gear and all is fine. I have always had Netgear everything. Since their total lack of concern about this known issue I will never buy another. I was recently in the market of a wireless repeater for another location that has a lot of obstruction. Pretty much the only game in town was Netgear. I decided to run ethernet wiring instead.
Trust me. It is the modem/router and they do not care.
If anyone is in doubt, go to dslreports.com/speedtest run the test a few times and click on "see full data in table". You will see that fewer channels are bonding than the modem interface reports.
With the right software you can make anyone see what you want them to see - just ask VW
I ran the test on "https://www.dslreports.com/speedtest/". Great testing site, with lots of information. I experienced the same change in download rates as reported before - initial test was low, second test was per contract with TWC, nearly a 5-fold change in the download rate of the initial try. So, I still conclude that "If the repeated tests start with low rates and continue to increase, then it is most likely the ISP." If this is casued by the router/modem - I have yet to determine how/why.
Guys,
Don't how but mine got fixed. Has been almost 2 months now without a single drop, at least when I'm at home playing and streaming 4k content. Comcast came and changed all my cables ends and the filter between the post line and the house. Before I was getting -8 dbmv on 3 channels locked. Now is +7.5 dbmv with 16 channel locked for downstream and 3 channels for upstream as before. Don't know if this was the issue as you some off you guys have done it before. Mine got fixed for now. Knock on wood.
Startup Procedure Procedure Status Comment Acquire Downstream Channel 663000000 Hz Locked Connectivity State OK Operational Boot State OK Operational Security Enabled BPI+ IP Provisioning Mode Honor MDD honorMdd(4) Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables 1 Locked QAM256 2 663000000 Hz 7.4 dBmV 39.8 dB 42878 54929 2 Locked QAM256 1 657000000 Hz 7.5 dBmV 39.9 dB 46960 39266 3 Locked QAM256 3 669000000 Hz 6.9 dBmV 39.7 dB 43313 22189 4 Locked QAM256 4 675000000 Hz 6.7 dBmV 38.5 dB 48004 38624 5 Locked QAM256 5 681000000 Hz 6.8 dBmV 39.6 dB 42859 48958 6 Locked QAM256 6 687000000 Hz 6 dBmV 39.3 dB 46323 27838 7 Locked QAM256 7 693000000 Hz 5.8 dBmV 39.2 dB 46543 56253 8 Locked QAM256 8 699000000 Hz 5.8 dBmV 39.2 dB 40166 51342 9 Locked QAM256 9 705000000 Hz 5.5 dBmV 39 dB 46190 34510 10 Locked QAM256 10 711000000 Hz 5 dBmV 38.9 dB 43586 64671 11 Locked QAM256 11 717000000 Hz 5.6 dBmV 39.1 dB 38598 42897 12 Locked QAM256 12 723000000 Hz 5.9 dBmV 39.2 dB 44150 37057 13 Locked QAM256 13 729000000 Hz 5.4 dBmV 39 dB 42544 56421 14 Locked QAM256 14 735000000 Hz 5.6 dBmV 39.1 dB 37576 27004 15 Locked QAM256 15 741000000 Hz 6.1 dBmV 39.3 dB 43387 41498 16 Locked QAM256 16 747000000 Hz 5.8 dBmV 39.2 dB 39033 52136 17 Not Locked Unknown 0 0 Hz 0.0 dBmV 0.0 dB 0 0 18 Not Locked Unknown 0 0 Hz 0.0 dBmV 0.0 dB 0 0 19 Not Locked Unknown 0 0 Hz 0.0 dBmV 0.0 dB 0 0 20 Not Locked Unknown 0 0 Hz 0.0 dBmV 0.0 dB 0 0 21 Not Locked Unknown 0 0 Hz 0.0 dBmV 0.0 dB 0 0 22 Not Locked Unknown 0 0 Hz 0.0 dBmV 0.0 dB 0 0 23 Not Locked Unknown 0 0 Hz 0.0 dBmV 0.0 dB 0 0 24 Not Locked Unknown 0 0 Hz 0.0 dBmV 0.0 dB 0 0 Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power 1 Locked ATDMA 81 5120 Ksym/sec 34800000 Hz 43 dBmV 2 Locked ATDMA 82 5120 Ksym/sec 27900000 Hz 41 dBmV 3 Locked ATDMA 83 5120 Ksym/sec 21000000 Hz 39.8 dBmV 4 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 5 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 6 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 7 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 8 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV Current System Time:Thu Sep 08 09:57:55 2016