NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
stevedud
Feb 10, 2022Tutor
error in log
i've been losing my internet sporadically and I checked the logs and i see this error happening every few minutes. I'm connected to xfinity. CM-STATUS message sent. Event Type Code: 20; Chan ID:...
plemans
Feb 10, 2022Guru - Experienced User
do you have a full screen snip of the cable connetions page and the event logs?
That helps more than 1 entry.
thanks
- stevedudFeb 10, 2022Tutor
the event log has the same error over and over every few minutes, no other errors.
Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 519000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Security Enabled BPI+
IP Provisioning Mode Honor MDD honorMdd(4)Downstream Bonded Channels (Partial Service)
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables
1 Locked QAM256 17 519000000 Hz -9 dBmV 39.3 dB 0 0
2 Locked QAM256 14 495000000 Hz -7.6 dBmV 40.1 dB 0 0
3 Locked QAM256 15 507000000 Hz -7.3 dBmV 40.3 dB 1 0
4 Locked QAM256 16 513000000 Hz -7.9 dBmV 40 dB 0 0
5 Locked QAM256 18 525000000 Hz -9.5 dBmV 38.9 dB 7 0
6 Locked QAM256 19 531000000 Hz -10.4 dBmV 38.3 dB 0 0
7 Locked QAM256 20 537000000 Hz -10.4 dBmV 38.3 dB 0 0
8 Locked QAM256 21 543000000 Hz -11.2 dBmV 37.8 dB 0 0
9 Locked QAM256 22 549000000 Hz -11.9 dBmV 37 dB 1 0
10 Locked QAM256 23 561000000 Hz -13.4 dBmV 35.8 dB 3 0
11 Locked QAM256 24 567000000 Hz -14.3 dBmV 35.1 dB 7 0
12 Locked QAM256 26 573000000 Hz -15.3 dBmV 34.2 dB 43 52
13 Locked QAM256 27 579000000 Hz -15.6 dBmV 34 dB 7 0
14 Locked QAM256 28 585000000 Hz -16.9 dBmV 32.8 dB 1 0
15 Locked QAM256 29 591000000 Hz -17.1 dBmV 32.5 dB 8 28
16 Locked QAM256 30 597000000 Hz -17.7 dBmV 31.7 dB 16 0
17 Locked QAM256 31 603000000 Hz -17 dBmV 32.4 dB 34 0
18 Locked QAM256 32 609000000 Hz -17.4 dBmV 32.1 dB 23 0
19 Locked QAM256 33 615000000 Hz -17.3 dBmV 32.2 dB 14 0
20 Locked QAM256 34 621000000 Hz -18 dBmV 31.4 dB 153 114
21 Locked QAM256 35 627000000 Hz -18.5 dBmV 30.9 dB 2474 27
22 Locked QAM256 36 633000000 Hz -19 dBmV 30.1 dB 103401 34
23 Locked QAM256 37 639000000 Hz -19 dBmV 30.5 dB 3014 156
24 Locked QAM256 38 645000000 Hz -19.4 dBmV 30 dB 34183 141
25 Locked QAM256 39 651000000 Hz -19.4 dBmV 29.9 dB 42168 295
26 Locked QAM256 40 657000000 Hz -19 dBmV 30.5 dB 4505 22
27 Locked QAM256 41 663000000 Hz -18.5 dBmV 30.9 dB 1084 0
28 Locked QAM256 42 669000000 Hz -17.9 dBmV 31.4 dB 5909 13907
29 Locked QAM256 43 675000000 Hz -17.9 dBmV 29.9 dB 66611607 2547371
30 Locked QAM256 44 681000000 Hz -17.3 dBmV 32 dB 50 0
31 Locked QAM256 45 687000000 Hz -17.4 dBmV 31.9 dB 187 0
32 Not Locked Unknown 0 0 Hz 0.0 dBmV 0.0 dB 0 0Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power
1 Locked ATDMA 85 5120 Ksym/sec 36500000 Hz 40.5 dBmV
2 Locked ATDMA 86 5120 Ksym/sec 30100000 Hz 39.3 dBmV
3 Locked ATDMA 87 5120 Ksym/sec 23700000 Hz 38.5 dBmV
4 Locked ATDMA 88 5120 Ksym/sec 17300000 Hz 37.3 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 dBmVDownstream 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 Not Locked 0 0 0 Hz 0 dBmV 0.0 dB 0 ~ 4095 0 0 0
2 Not Locked 0 0 0 Hz 0 dBmV 0.0 dB 0 ~ 4095 0 0 0Upstream OFDMA Channels
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power
1 Not Locked 0 0 0 Hz 0 dBmV
2 Not Locked 0 0 0 Hz 0 dBmV- plemansFeb 10, 2022Guru - Experienced User
Your power is out of spec and you have errors in your line.
remove any splitters, amplifiers, or signal attenuators from you line.
check for kinks, damage, old/bad/cheap/corroded connections and replace them if you have them.
If you can, move the modem to right where the coax comes into the home and connect there. This prevents the line in the home from being the issue. If that doesn't help, the isp needs to check the line
- stevedudFeb 12, 2022TutorI found that the cable was not screwed into the modem very well. I fixed that and rebooted the modem two days ago. Here are the stats now.
Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 519000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Security Enabled BPI+
IP Provisioning Mode Honor MDD honorMdd(4)
Downstream Bonded Channels (Partial Service)
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables
1 Locked QAM256 17 519000000 Hz -10.1 dBmV 40.4 dB 28 2
2 Locked QAM256 1 417000000 Hz -10 dBmV 40.6 dB 28 0
3 Locked QAM256 2 423000000 Hz -10.6 dBmV 40.2 dB 47 0
4 Locked QAM256 3 429000000 Hz -9.8 dBmV 40.7 dB 7 0
5 Locked QAM256 4 435000000 Hz -10 dBmV 40.6 dB 13 0
6 Locked QAM256 5 441000000 Hz -9 dBmV 41.1 dB 0 0
7 Locked QAM256 6 447000000 Hz -8.5 dBmV 41.3 dB 1 0
8 Locked QAM256 7 453000000 Hz -7.7 dBmV 41.7 dB 0 0
9 Locked QAM256 8 459000000 Hz -7.1 dBmV 41.9 dB 7 0
10 Locked QAM256 9 465000000 Hz -6.9 dBmV 42 dB 0 0
11 Locked QAM256 10 471000000 Hz -7.2 dBmV 41.8 dB 0 0
12 Locked QAM256 11 477000000 Hz -6.9 dBmV 42 dB 0 0
13 Locked QAM256 12 483000000 Hz -6.8 dBmV 42 dB 0 0
14 Locked QAM256 13 489000000 Hz -7.2 dBmV 41.8 dB 0 0
15 Locked QAM256 14 495000000 Hz -7.7 dBmV 41.4 dB 0 0
16 Locked QAM256 15 507000000 Hz -8.2 dBmV 41.4 dB 54 0
17 Locked QAM256 16 513000000 Hz -9 dBmV 41 dB 43 8
18 Locked QAM256 18 525000000 Hz -10.7 dBmV 40.1 dB 16 0
19 Locked QAM256 19 531000000 Hz -11.5 dBmV 39.7 dB 16 0
20 Locked QAM256 20 537000000 Hz -11.5 dBmV 39.7 dB 51 0
21 Locked QAM256 21 543000000 Hz -12.1 dBmV 39.3 dB 10 0
22 Locked QAM256 22 549000000 Hz -12.9 dBmV 38.6 dB 16 0
23 Locked QAM256 23 561000000 Hz -14.5 dBmV 37.6 dB 36 35
24 Locked QAM256 24 567000000 Hz -15.4 dBmV 37 dB 11 0
25 Locked QAM256 26 573000000 Hz -16.2 dBmV 36.3 dB 52 81
26 Locked QAM256 27 579000000 Hz -16.4 dBmV 36.1 dB 55 6
27 Locked QAM256 28 585000000 Hz -17.5 dBmV 35.2 dB 15 0
28 Locked QAM256 29 591000000 Hz -17.6 dBmV 35 dB 40 41
29 Locked QAM256 30 597000000 Hz -18.2 dBmV 34.6 dB 33 0
30 Locked QAM256 31 603000000 Hz -17.4 dBmV 35 dB 34 0
31 Locked QAM256 32 609000000 Hz -17.6 dBmV 35.1 dB 10 0
32 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 85 5120 Ksym/sec 36500000 Hz 39.8 dBmV
2 Locked ATDMA 86 5120 Ksym/sec 30100000 Hz 38.3 dBmV
3 Locked ATDMA 87 5120 Ksym/sec 23700000 Hz 37.5 dBmV
4 Locked ATDMA 88 5120 Ksym/sec 17300000 Hz 36 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
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 Not Locked 0 0 0 Hz 0 dBmV 0.0 dB 0 ~ 4095 0 0 0
2 Not Locked 0 0 0 Hz 0 dBmV 0.0 dB 0 ~ 4095 0 0 0
Upstream OFDMA Channels
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power
1 Not Locked 0 0 0 Hz 0 dBmV
2 Not Locked 0 0 0 Hz 0 dBmV