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Re: Have to unplug C7100V constantly.
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Have to unplug C7100V constantly.
I have had this modem now for a little over 2 years. I haven't had an issue until now. Just recently, like with in a month or so, I have ben losing my wifi connections. (Not sure of the ethernet connections) I would have to constantly reset (Unplug, or remotely) the modem and everything would be fine again for a week or so, until I have to do it again. I'm not sure why this is happening. I don't know what the Event Logs mean. I will add them here in hopes someone could tell me. If it was trying to update and it didn't take, how do I force it?
I have Comcast (Xfinity) with Voice.
Netgear C7100V
Firmware Version: V2.01.42
Windows 10 PC
Time | Priority | Description |
2020-02-04, 05:50:34.0 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-02-04, 05:49:58.0 | Warning (5) | Unicast DSID PSN startup error |
2020-02-04, 02:00:48.0 | Notice (6) | SW download Successful - Via Config file |
2020-02-04, 01:59:32.0 | Notice (6) | SW Download INIT - Via Config file d11_v_c7100vims_silver_c02.cm |
2020-02-04, 01:57:17.0 | Critical (3) | Resetting the cable modem due to docsDevResetNow |
2020-02-03, 01:26:11.0 | Warning (5) | MDD message timeout;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-02-02, 12:27:31.0 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-02-02, 04:06:49.0 | Warning (5) | MDD message timeout;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-02-01, 17:43:27.0 | Warning (5) | MDD message timeout;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-02-01, 17:43:27.0 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-01-31, 13:58:43.0 | Critical (3) | Resetting the cable modem due to docsDevResetNow |
2020-01-31, 02:04:48.0 | Warning (5) | MDD message timeout;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-01-29, 06:43:37.0 | Warning (5) | MDD message timeout;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-01-29, 06:43:37.0 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-01-20, 19:07:52.0 | Warning (5) | MDD message timeout;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-01-20, 19:07:52.0 | Critical (3) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-01-15, 10:28:37.0 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=b0:b9:8a:d3:71:40;CMTS-MAC=18:8b:9d:4a:3d:61;CM-QOS=1.1;CM-VER=3.0; |
2020-01-15, 10:28:02.0 | Warning (5) | Unicast DSID PSN startup error |
Time Not Established | Notice (6) | Honoring MDD; IP provisioning mode = IPv6 |
Time Not Established | Notice (6) | Honoring MDD; IP provisioning mode = IPv6 |
Time Not Established | Notice (6) | Honoring MDD; IP provisioning mode = IPv6 |
Time Not Established | Notice (6) | Honoring MDD; IP provisioning mode = IPv6 |
Time Not Established | Notice (6) | Honoring MDD; IP provisioning mode = IPv6 |
Time Not Established | Notice (6) | Honoring MDD; IP provisioning mode = IPv6 |
Time Not Established | Notice (6) | Honoring MDD; IP provisioning mode = IPv6 |
Time Not Established | Notice (6) | Honoring MDD; IP provisioning mode = IPv6 |
Time Not Established | Notice (6) | WiFi Interface [wl0] set to Channel 11 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl1] set to Channel 153 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl0] set to Channel 11 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl1] set to Channel 153 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl0] set to Channel 11 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl1] set to Channel 153 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl0] set to Channel 1 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl1] set to Channel 153 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl0] set to Channel 11 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl1] set to Channel 153 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl0] set to Channel 1 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl1] set to Channel 153 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl0] set to Channel 11 (Side-Band Channel:N/A) - Reason:INIT |
Time Not Established | Notice (6) | WiFi Interface [wl1] set to Channel 153 (Side-Band Channel:N/A) - Reason:INIT |
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Re: Have to unplug C7100V constantly.
Have the ISP check the signal and line quality UP to the modem.
Be sure there are not coax cable line splitters in the between the modem and ISP service box.
Be sure your using good quality RG6 coax cable up to the modem.
What channels are you using? Auto? Try setting manual channel 1, 6 or 11 on 2.4Ghz and any unused channel on 5Ghz.
Any Wifi Neighbors near by? If so, how many?
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Re: Have to unplug C7100V constantly.
To answer your questions:
What channels are you using? Auto? I'll have to look, but not sure what that has to do with me having to restart. The modem lights were PHONE: Flashing, no dial tone. Wifi: was also flashing. Basically, I had no service. I was not home and the last time, I forgot to even check to see if my network cable to my pc, was working (connected).
Any Wifi Neighbors near by? Yes.
If so, how many? 3 others.
It looks like I was being sarcastic up 👆 there, but I'm not. So I apologize for that.
I used to work for Comcast as an installer. I have an excellent Signal to the modem. I have a home run from my modem to the ground block.
I'm wondering if there was anything wrong with the actual modem, or the software.
I have quad core cable RG6 ran.
Did you see the failure in the event log? Does it mean anything?
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Re: Have to unplug C7100V constantly.
I see alot of CRITICALs listed. Possible this is signal related or ISP service related.
So when all this happens do both wired, wireless and phone all go down or does wired still have access to the internet during this time frame?
You might find a store or online store with a good refund policy and get you a 2nd modem gatway unit to test with and see if this different unit exhibits the same thing.
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Re: Have to unplug C7100V constantly.
Please provide power values screenshot as well.
it looks like line has an issue.
Please confirm cable and connectors are ok.
Please check another connector in the house.
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Re: Have to unplug C7100V constantly.
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Re: Have to unplug C7100V constantly.
in the main page, there should be an an icon called Cable connection. Once you click it, you will lot of values in a table format. Take screenshots and put it on imgur and let us know the links.
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Re: Have to unplug C7100V constantly.
Hope this helps?
Netgear C7100V Cable Connection Info.
Frequency start Value | |
This field below allows you to modify the frequency the cable modem start with its scan during initialization and registration. Enter the new start frequency and restart the cable modem for it to take effect. | |
|
<tabindex=-1>Startup Procedure</tabindex=-1>
Procedure | Status | Comment |
Acquire Downstream Channel | 555000000 Hz | Locked |
Connectivity State | OK | Operational |
Boot State | OK | Operational |
Configuration File | OK | ------------ |
Security | Enable | BPI+ |
<tabindex=-1>Downstream Bonded Channels</tabindex=-1>
Channel | Lock Status | Modulation | Channel ID | Frequency | Power | SNR | Correctables | Uncorrectables |
1 | Locked | QAM256 | 17 | 555000000 Hz | -4.6 dBmV | 39.7 dB | 891 | 0 |
2 | Locked | QAM256 | 18 | 561000000 Hz | -4.6 dBmV | 39.3 dB | 1156 | 0 |
3 | Locked | QAM256 | 19 | 567000000 Hz | -4.6 dBmV | 39.6 dB | 1537 | 0 |
4 | Locked | QAM256 | 20 | 573000000 Hz | -4.9 dBmV | 39.5 dB | 1903 | 0 |
5 | Locked | QAM256 | 21 | 579000000 Hz | -4.9 dBmV | 39.6 dB | 1912 | 0 |
6 | Locked | QAM256 | 22 | 585000000 Hz | -5.1 dBmV | 39.4 dB | 2701 | 0 |
7 | Locked | QAM256 | 23 | 591000000 Hz | -5.3 dBmV | 39.2 dB | 4952 | 0 |
8 | Locked | QAM256 | 24 | 597000000 Hz | -5.6 dBmV | 39.1 dB | 7058 | 0 |
9 | Locked | QAM256 | 25 | 603000000 Hz | -6.1 dBmV | 38.9 dB | 9676 | 0 |
10 | Locked | QAM256 | 26 | 609000000 Hz | -6.3 dBmV | 38.8 dB | 10450 | 0 |
11 | Locked | QAM256 | 27 | 615000000 Hz | -6.8 dBmV | 38.4 dB | 14987 | 0 |
12 | Locked | QAM256 | 28 | 621000000 Hz | -7.1 dBmV | 38.4 dB | 20099 | 0 |
13 | Locked | QAM256 | 29 | 627000000 Hz | -7.2 dBmV | 38.0 dB | 25505 | 0 |
14 | Locked | QAM256 | 30 | 633000000 Hz | -7.5 dBmV | 37.9 dB | 37240 | 0 |
15 | Locked | QAM256 | 31 | 639000000 Hz | -7.4 dBmV | 38.0 dB | 32428 | 0 |
16 | Locked | QAM256 | 32 | 645000000 Hz | -7.6 dBmV | 37.9 dB | 42582 | 0 |
17 | Locked | QAM256 | 33 | 651000000 Hz | -8.0 dBmV | 36.8 dB | 0 | 0 |
18 | Locked | QAM256 | 34 | 657000000 Hz | -8.3 dBmV | 36.6 dB | 2 | 0 |
19 | Locked | QAM256 | 35 | 663000000 Hz | -8.6 dBmV | 36.2 dB | 1 | 0 |
20 | Locked | QAM256 | 36 | 669000000 Hz | -8.5 dBmV | 36.2 dB | 0 | 0 |
21 | Locked | QAM256 | 37 | 675000000 Hz | -8.6 dBmV | 36.1 dB | 0 | 0 |
22 | Locked | QAM256 | 38 | 681000000 Hz | -8.6 dBmV | 36.1 dB | 0 | 0 |
23 | Locked | QAM256 | 39 | 687000000 Hz | -8.6 dBmV | 36.2 dB | 0 | 0 |
24 | Locked | QAM256 | 40 | 693000000 Hz | -8.6 dBmV | 36.3 dB | 0 | 0 |
<tabindex=-1>Upstream Bonded Channels</tabindex=-1>
Channel | Lock Status | US Channel Type | Channel ID | Symbol Rate | Frequency | Power |
1 | Locked | ATDMA | 4 | 5120 Ksym/sec | 17300000 Hz | 45.3 dBmV |
2 | Locked | ATDMA | 1 | 5120 Ksym/sec | 36500000 Hz | 45.5 dBmV |
3 | Locked | ATDMA | 2 | 5120 Ksym/sec | 30100000 Hz | 45.5 dBmV |
4 | Locked | ATDMA | 3 | 5120 Ksym/sec | 23700000 Hz | 45.5 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: Fri Feb 07 08:27:34 2020System Up Time: 74:39:06
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Re: Have to unplug C7100V constantly.
I saw the power table and it looks good but it does not
Are you seeing disconnected with WIRED connection as well?
Are the disconnections specific timing?
Is the disconnection on specific laptop/client or all the clients? (If yes, have you upgraded to latest WIFI driver on the laptop)
Do you see 2G/5G LED going off when it happens?
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Re: Have to unplug C7100V constantly.
Are you seeing disconnected with WIRED connection as well? I haven't been able to check the wired connection, the times I had this issue where I had to disconnect/Reset the modem, I was not home. I had to describe to my wife over the phone, what to look for and do. The only time I could even think of doing this was at 3am and I didn't want to turn on the Desktop, I just wanted to reset modem again. Coincidentlaly, since this time I reset the modem, I haven't had this issue again.
Are the disconnections specific timing? They were random. 3pm durring the day and 2am a few days later. I forgot what other times.
Is the disconnection on specific laptop/client or all the clients? (If yes, have you upgraded to latest WIFI driver on the laptop) No, it's on all random devices, Laptops, Cell Phones, Tablets, and Firesticks. The Wifi symbols on the modem were flashing, telling me they were disconnected.
Do you see 2G/5G LED going off when it happens? Yes.
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Re: Have to unplug C7100V constantly.
I would continue to post in your other thread about this:
Let keep this to one post thread so as not to make things confusing.
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