Community Forum

CM1000 Connectivity Issues

New Poster

CM1000 Connectivity Issues

I am having issue with my netgear cm1000 modem. Every now and then my Internet just freezes up for 15-20 secs and then just takes off again.  Here are my logs and voltages.  This happenens all day everyday with my logs.

 

 
 
 
Time Priority Description
2018-08-20, 09:43:20 Notice (6) CM-STATUS message sent. Event Type Code: 24; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 09:43:20 Notice (6) CM-STATUS message sent. Event Type Code: 4; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 09:43:19 Notice (6) CM-STATUS message sent. Event Type Code: 24; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 09:43:19 Notice (6) CM-STATUS message sent. Event Type Code: 4; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 09:43:19 Notice (6) CM-STATUS message sent. Event Type Code: 22; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 09:43:18 Notice (6) CM-STATUS message sent. Event Type Code: 16; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 09:43:18 Notice (6) CM-STATUS message sent. Event Type Code: 1; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 09:43:18 Notice (6) CM-STATUS message sent. Event Type Code: 22; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 09:43:17 Notice (6) CM-STATUS message sent. Event Type Code: 16; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 09:43:17 Notice (6) CM-STATUS message sent. Event Type Code: 20; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 09:43:17 Notice (6) CM-STATUS message sent. Event Type Code: 1; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 09:43:17 Warning (5) MDD message timeout;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:22 Notice (6) CM-STATUS message sent. Event Type Code: 24; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:22 Notice (6) CM-STATUS message sent. Event Type Code: 4; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:21 Notice (6) CM-STATUS message sent. Event Type Code: 24; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:21 Notice (6) CM-STATUS message sent. Event Type Code: 4; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:21 Notice (6) CM-STATUS message sent. Event Type Code: 22; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:20 Notice (6) CM-STATUS message sent. Event Type Code: 16; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:20 Notice (6) CM-STATUS message sent. Event Type Code: 1; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:20 Notice (6) CM-STATUS message sent. Event Type Code: 22; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:19 Notice (6) CM-STATUS message sent. Event Type Code: 16; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:19 Notice (6) CM-STATUS message sent. Event Type Code: 20; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:19 Notice (6) CM-STATUS message sent. Event Type Code: 1; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 05:13:18 Warning (5) MDD message timeout;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 00:05:44 Notice (6) CM-STATUS message sent. Event Type Code: 24; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 00:05:43 Notice (6) CM-STATUS message sent. Event Type Code: 4; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 00:05:43 Notice (6) CM-STATUS message sent. Event Type Code: 24; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 00:05:42 Notice (6) CM-STATUS message sent. Event Type Code: 4; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 00:05:42 Notice (6) CM-STATUS message sent. Event Type Code: 22; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 00:05:42 Notice (6) CM-STATUS message sent. Event Type Code: 1; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 00:05:42 Notice (6) CM-STATUS message sent. Event Type Code: 16; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 00:05:41 Notice (6) CM-STATUS message sent. Event Type Code: 22; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 00:05:41 Notice (6) CM-STATUS message sent. Event Type Code: 1; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 00:05:41 Notice (6) CM-STATUS message sent. Event Type Code: 16; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-20, 00:05:40 Warning (5) MDD message timeout;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-19, 23:56:20 Notice (6) CM-STATUS message sent. Event Type Code: 4; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-19, 23:56:19 Notice (6) CM-STATUS message sent. Event Type Code: 24; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-19, 23:56:19 Notice (6) CM-STATUS message sent. Event Type Code: 4; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-19, 23:56:18 Notice (6) CM-STATUS message sent. Event Type Code: 22; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;
2018-08-19, 23:56:18 Notice (6)

CM-STATUS message sent. Event Type Code: 24; Chan ID: 159 ; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 .;CM-MAC=78:d2:94:5b:81:f0;CMTS-MAC=dc:eb:94:b5:25:5a;CM-QOS=1.1;CM-VER=3.1;

 

 

 

 

 

 

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.
Starting Frequency

<tabindex=-1>Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 627000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Security Enable BPI+
IP Provisioning Mode Honor MDD IPv6 only

<tabindex=-1>Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR / MER Unerrored Codewords Correctable Codewords Uncorrectable Codewords
1 Locked QAM256 25 627000000 Hz 2.6 dBmV 40.1 dB 4093330914 727 2863
2 Locked QAM256 1 477000000 Hz 5.2 dBmV 41.4 dB 4144397124 5372 10968
3 Locked QAM256 2 483000000 Hz 4.9 dBmV 41.3 dB 4144403050 6591 8700
4 Locked QAM256 3 489000000 Hz 4.8 dBmV 41.1 dB 4144405701 5321 9964
5 Locked QAM256 4 495000000 Hz 4.9 dBmV 41.2 dB 4144417854 6176 6882
6 Locked QAM256 5 507000000 Hz 4.8 dBmV 40.8 dB 4144428051 5153 6732
7 Locked QAM256 6 513000000 Hz 4.6 dBmV 40.8 dB 4144438631 5387 6811
8 Locked QAM256 7 519000000 Hz 4.5 dBmV 40.8 dB 4144446850 4129 6391
9 Locked QAM256 8 525000000 Hz 4.4 dBmV 40.8 dB 4144763824 4206 6461
10 Locked QAM256 9 531000000 Hz 4.4 dBmV 40.9 dB 4144768958 3284 5971
11 Locked QAM256 10 537000000 Hz 4.5 dBmV 40.9 dB 4144776414 2292 5628
12 Locked QAM256 11 543000000 Hz 4.5 dBmV 40.9 dB 4144783243 2236 5812
13 Locked QAM256 12 549000000 Hz 4.6 dBmV 40.8 dB 4144788268 1933 5922
14 Locked QAM256 13 555000000 Hz 4.7 dBmV 40.6 dB 4144798841 1821 5901
15 Locked QAM256 14 561000000 Hz 4.7 dBmV 40.7 dB 4144809699 1718 5948
16 Locked QAM256 15 567000000 Hz 4.6 dBmV 40.8 dB 4144815921 1689 5691
17 Locked QAM256 16 573000000 Hz 4.3 dBmV 40.8 dB 4145255017 1831 6099
18 Locked QAM256 17 579000000 Hz 3.9 dBmV 40.5 dB 4145262508 2135 5781
19 Locked QAM256 18 585000000 Hz 3.6 dBmV 40.5 dB 4145269165 2167 5605
20 Locked QAM256 19 591000000 Hz 3.4 dBmV 40.5 dB 4145278496 2799 5641
21 Locked QAM256 20 597000000 Hz 3.6 dBmV 40.5 dB 4145286398 2309 5639
22 Locked QAM256 21 603000000 Hz 3.8 dBmV 40.7 dB 4145288110 1588 5704
23 Locked QAM256 22 609000000 Hz 3.5 dBmV 40.6 dB 4145291605 1542 5737
24 Locked QAM256 23 615000000 Hz 3.3 dBmV 40.5 dB 4145307358 1394 5707
25 Locked QAM256 24 621000000 Hz 3.2 dBmV 40.4 dB 4145614813 1767 7536
26 Locked QAM256 26 633000000 Hz 1.9 dBmV 39.8 dB 4145629571 1754 7261
27 Locked QAM256 27 639000000 Hz 1.3 dBmV 39.7 dB 4145641097 2126 7114
28 Locked QAM256 28 645000000 Hz 1.0 dBmV 39.6 dB 4145644363 1757 6453
29 Locked QAM256 29 651000000 Hz 0.5 dBmV 39.2 dB 4145634238 1879 5784
30 Locked QAM256 30 657000000 Hz 0.4 dBmV 39.1 dB 4145632871 2397 5976
31 Locked QAM256 31 663000000 Hz 0.3 dBmV 39.0 dB 4145479608 2036 5674
32 Locked QAM256 32 669000000 Hz 0.3 dBmV 39.0 dB 4145476884 2379 5745

<tabindex=-1>Upstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power
1 Locked ATDMA 1 36500000 Hz 42.5 dBmV
2 Locked ATDMA 2 30100000 Hz 43.0 dBmV
3 Locked ATDMA 3 23700000 Hz 45.0 dBmV
4 Not Locked Unknown 0 0 Hz 0.0 dBmV
5 Not Locked Unknown 0 0 Hz 0.0 dBmV
6 Not Locked Unknown 0 0 Hz 0.0 dBmV
7 Not Locked Unknown 0 0 Hz 0.0 dBmV
8 Not Locked Unknown 0 0 Hz 0.0 dBmV

<tabindex=-1>Downstream OFDM Channels
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power SNR / MER Active Subcarrier Number Range Unerrored Codewords Correctable Codewords Uncorrectable Codewords
1 Locked 0, 1 159 678000000 Hz 0.2 dBmV 36.3 dB 1126 ~ 2969 39161978090 1996317461 28
2 Not Locked 0 0 0 Hz 2.2 dBmV 0.0 dB 0 ~ 4095 0 0 0

<tabindex=-1>Upstream OFDMA Channels
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power
1 Not Locked Unknown 0 0 Hz 0 dBmV
2 Not Locked Unknown 0 0 Hz 0 dBmV
Tags (1)
Expert

Re: CM1000 Connectivity Issues

By chance, did you buy that CM1000 from Amazon? There's a variant, the CM1000-1AZNS, which isn't supported by Comcast but AFAIK they're working on a fix.

Comcast Experts are other customers who volunteer their time helping on the forum and have been recognized by the community. For more information on the Expert Program, please click here.
Unless so specifically stated, my opinions written herein are my own and do not necessarily reflect the views of Comcast, its official employees or affiliates.
New Poster

Re: CM1000 Connectivity Issues

I did purchase it from amazon.  How long have they been working on a fix?

New Poster

Re: CM1000 Connectivity Issues

It says right on the box tho it works with comcast

Expert

Re: CM1000 Connectivity Issues


@mwsBlake wrote:

I did purchase it from amazon.  How long have they been working on a fix?


We've known about it on the forum for a little over a month. I don't know the details, but there's something off about that particular variant since it's ostensibly the same exact modem and chipset, but the normal Comcast firmware won't work with it, which causes havoc on people's networks. 

 

Until Netgear provides an updated patch, I personally wouldn't waste my time messing around with it, I'd send it back and get the regular retail CM1000 or a different brand. 

 

Before you do anything, though, you need to check your receipt and see if it's the CM1000-1AZNS, otherwise there may be other problems with your system.

 


Comcast Experts are other customers who volunteer their time helping on the forum and have been recognized by the community. For more information on the Expert Program, please click here.
Unless so specifically stated, my opinions written herein are my own and do not necessarily reflect the views of Comcast, its official employees or affiliates.