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Psantia
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Wednesday, May 6th, 2020

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Connection Keeps Dropping

I'm seeing a lot post that resemble my issue recently. For the last 2 weeks my connection will drop during random times once or twice a day and can take over 15 minutes to come back up.

 

Procedure Status Comment
Acquire Downstream Channel 501000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Security ENABLED BPI+
IP Provisioning Mode Honor MDD IPv6 only
Downstream Bonded Channels (Partial Service)
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectabables
1 Locked QAM256 5 501000000 Hz 1.2 dBmV 41.1 dB 139 111
2 Locked QAM256 1 477000000 Hz 1.0 dBmV 41.0 dB 197 168
3 Locked QAM256 2 483000000 Hz 1.0 dBmV 40.9 dB 156 57
4 Locked QAM256 3 489000000 Hz 0.9 dBmV 41.1 dB 172 172
5 Locked QAM256 4 495000000 Hz 0.8 dBmV 41.1 dB 181 95
6 Locked QAM256 6 507000000 Hz 1.1 dBmV 41.1 dB 139 103
7 Locked QAM256 7 513000000 Hz 1.3 dBmV 31.9 dB 145 74
8 Locked QAM256 8 519000000 Hz 1.3 dBmV 37.0 dB 135 63
9 Locked Unknown 9 525000000 Hz 1.3 dBmV 0.0 dB 1428390 1325164
10 Locked Unknown 10 531000000 Hz 1.2 dBmV 0.0 dB 626402 454847
11 Locked Unknown 11 537000000 Hz 1.1 dBmV 0.0 dB 1609488 1535024
12 Locked QAM256 12 543000000 Hz 1.3 dBmV 28.3 dB 8172693 281947
13 Locked QAM256 13 555000000 Hz 1.3 dBmV 34.4 dB 117 98
14 Locked QAM256 14 561000000 Hz 1.5 dBmV 28.5 dB 1340008 9058
15 Locked QAM256 15 567000000 Hz 1.5 dBmV 27.6 dB 912348 4292
16 Locked QAM256 16 573000000 Hz 1.3 dBmV 32.6 dB 207 169
17 Locked QAM256 17 579000000 Hz 1.4 dBmV 36.6 dB 126 125
18 Locked QAM256 18 585000000 Hz 2.1 dBmV 40.6 dB 164 213
19 Locked QAM256 19 591000000 Hz 2.7 dBmV 41.2 dB 168 204
20 Locked QAM256 20 597000000 Hz 2.2 dBmV 40.9 dB 166 203
21 Locked QAM256 21 603000000 Hz 2.6 dBmV 38.0 dB 162 127
22 Locked QAM256 22 609000000 Hz 2.2 dBmV 40.1 dB 158 148
23 Locked QAM256 23 615000000 Hz 2.0 dBmV 41.1 dB 174 145
24 Locked QAM256 34 423000000 Hz 1.4 dBmV 41.2 dB 230 227
25 Locked QAM256 35 429000000 Hz 1.6 dBmV 41.3 dB 216 285
26 Locked QAM256 36 435000000 Hz 1.4 dBmV 41.1 dB 195 255
27 Locked QAM256 37 441000000 Hz 1.5 dBmV 40.8 dB 152 227
28 Locked QAM256 38 453000000 Hz 1.2 dBmV 40.8 dB 205 254
29 Locked QAM256 39 459000000 Hz 1.0 dBmV 38.8 dB 365 257
30 Locked QAM256 40 465000000 Hz 0.8 dBmV 40.7 dB 240 207
31 Locked QAM256 41 471000000 Hz 1.0 dBmV 40.0 dB 153 253
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 4 5120 Ksym/sec 16600000 Hz 48.8 dBmV
2 Locked ATDMA 1 5120 Ksym/sec 35800000 Hz 40.0 dBmV
3 Locked ATDMA 2 5120 Ksym/sec 29400000 Hz 41.5 dBmV
4 Locked ATDMA 3 5120 Ksym/sec 23000000 Hz 43.8 dBmV
5 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0 dBmV
6 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0 dBmV
7 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0 dBmV
8 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0 dBmV
Downstream OFDM Channels
Channel Channel ID Indicator Subcarrier Zero Frequency Active Subcarrier Number Range Total Codewords Uncorrectable Codewords
1 33 Non-Primary 611600000 Hz 1228 ~ 2867 653836 44
2 0 Other 0 Hz 0 ~ 0 0 0
Upstream OFDMA Channels
Channel UpstreamIsMuted Ranging Status Subcarrier Zero Frequency Active Subcarrier Number Range Symbols Per Frame Tx Power
1   Other 0 Hz 0 ~ 0 0 0 dBmV
2   Other 0 Hz 0 ~ 0 0 0 dBmV

 

Modem Model- Netgear C7800-200NAS

My event log shows T3 errors and SYNC Timing Synchronization failure

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