Toilet-Duck
2 years agoTuning in
Cable modem randomly rebooting & poor connection
Over the past month or so I keep having connection issues, my Superhub was recently changed from a Superhub 2 (almost flawless) to a Superhub 5. Since this was changed my router also now reboots randomly which is annoying as it constantly keeps disconnecting me.
Could someone take a look at my levels / connection to see what the issue is being caused by, apparently there was an SNR fault which was resolved however I'm still having issues.
3.0 Downstream channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 330000000 | 7.5 | 42 | QAM 256 | 25 |
2 | 178000000 | 8.4 | 43 | QAM 256 | 6 |
3 | 186000000 | 8.4 | 42 | QAM 256 | 7 |
4 | 194000000 | 8.5 | 42 | QAM 256 | 8 |
5 | 202000000 | 8.4 | 42 | QAM 256 | 9 |
6 | 210000000 | 8.7 | 42 | QAM 256 | 10 |
7 | 218000000 | 8.5 | 42 | QAM 256 | 11 |
8 | 226000000 | 8.4 | 42 | QAM 256 | 12 |
9 | 234000000 | 8.4 | 42 | QAM 256 | 13 |
10 | 242000000 | 8.2 | 42 | QAM 256 | 14 |
11 | 250000000 | 8 | 42 | QAM 256 | 15 |
12 | 258000000 | 7.8 | 42 | QAM 256 | 16 |
13 | 266000000 | 7.8 | 42 | QAM 256 | 17 |
14 | 274000000 | 7.7 | 42 | QAM 256 | 18 |
15 | 282000000 | 7.5 | 42 | QAM 256 | 19 |
16 | 290000000 | 7.5 | 42 | QAM 256 | 20 |
17 | 298000000 | 7.6 | 42 | QAM 256 | 21 |
18 | 306000000 | 7.7 | 42 | QAM 256 | 22 |
19 | 314000000 | 7.6 | 42 | QAM 256 | 23 |
20 | 322000000 | 7.5 | 42 | QAM 256 | 24 |
21 | 338000000 | 7.6 | 41 | QAM 256 | 26 |
22 | 346000000 | 7.4 | 42 | QAM 256 | 27 |
23 | 354000000 | 7 | 42 | QAM 256 | 28 |
24 | 362000000 | 7.1 | 42 | QAM 256 | 29 |
25 | 370000000 | 7.3 | 42 | QAM 256 | 30 |
26 | 378000000 | 7.2 | 42 | QAM 256 | 31 |
27 | 386000000 | 7.1 | 42 | QAM 256 | 32 |
28 | 394000000 | 7.1 | 42 | QAM 256 | 33 |
29 | 402000000 | 7.2 | 42 | QAM 256 | 34 |
30 | 410000000 | 6.8 | 42 | QAM 256 | 35 |
31 | 418000000 | 6.4 | 42 | QAM 256 | 36 |
3.0 Downstream channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 42 | 2 | 0 |
2 | Locked | 43 | 0 | 0 |
3 | Locked | 42 | 0 | 0 |
4 | Locked | 42 | 0 | 0 |
5 | Locked | 42 | 0 | 0 |
6 | Locked | 42 | 0 | 0 |
7 | Locked | 42 | 0 | 0 |
8 | Locked | 42 | 0 | 0 |
9 | Locked | 42 | 0 | 0 |
10 | Locked | 42 | 0 | 0 |
11 | Locked | 42 | 0 | 0 |
12 | Locked | 42 | 0 | 0 |
13 | Locked | 42 | 0 | 0 |
14 | Locked | 42 | 0 | 0 |
15 | Locked | 42 | 0 | 0 |
16 | Locked | 42 | 1 | 0 |
17 | Locked | 42 | 0 | 0 |
18 | Locked | 42 | 0 | 0 |
19 | Locked | 42 | 0 | 0 |
20 | Locked | 42 | 0 | 0 |
21 | Locked | 41 | 1 | 0 |
22 | Locked | 42 | 1 | 0 |
23 | Locked | 42 | 1 | 0 |
24 | Locked | 42 | 1 | 0 |
25 | Locked | 42 | 3 | 0 |
26 | Locked | 42 | 3 | 0 |
27 | Locked | 42 | 3 | 0 |
28 | Locked | 42 | 4 | 0 |
29 | Locked | 42 | 1 | 0 |
30 | Locked | 42 | 6 | 0 |
31 | Locked | 42 | 5 | 0 |
3.1 Downstream channels
Channel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)
159 | 92 | 4K | 1800 | QAM 4096 | 1128 |
3.1 Downstream channels
Channel ID Locked Status RxMER Data (dB) PLC Power (dBmV) Corrected errors (Active Profile) Uncorrectable errors (Active Profile)
159 | Locked | 44 | 8.0 | 453025 | 0 |
3.0 Upstream channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
0 | 49600000 | 45.3 | 5120 | QAM 64 | 9 |
1 | 43100000 | 44.8 | 5120 | QAM 64 | 10 |
2 | 36600000 | 44.3 | 5120 | QAM 64 | 11 |
3 | 30100000 | 44 | 5120 | QAM 64 | 12 |
4 | 23600000 | 43.8 | 5120 | QAM 64 | 13 |
3.0 Upstream channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
0 | ATDMA | 0 | 0 | 0 | 0 |
1 | ATDMA | 0 | 0 | 0 | 0 |
2 | ATDMA | 0 | 0 | 0 | 0 |
3 | ATDMA | 0 | 0 | 4 | 0 |
4 | ATDMA | 0 | 0 | 0 | 0 |
3.1 Upstream channels
Channel Channel Width (MHz) Power (dBmV) FFT Type Modulation
14 | 10 | 39.5 | 2K | QAM 256 |
3.1 Upstream channels
Channel Channel Type Number of Active Subcarriers First Active Subcarrier (Hz) T3 Timeouts T4 Timeouts
14 | OFDMA | 200 | 74000000 | 0 | 0 |
16-11-2023 02:08:02 | warning | DBC-REQ Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:08:02 | notice | US profile assignment change. US Chan ID: 14; Previous Profile: 13; New Profile: 12 13.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:07:58 | notice | REGISTRATION COMPLETE - Waiting for Operational status |
16-11-2023 02:07:52 | warning | Dynamic Range Window violation |
16-11-2023 02:07:52 | warning | RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:07:52 | warning | Dynamic Range Window violation |
16-11-2023 02:07:52 | warning | REG-RSP-MP Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:07:52 | warning | RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:07:52 | warning | RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:07:52 | warning | Dynamic Range Window violation |
16-11-2023 02:07:52 | warning | RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:07:52 | warning | Dynamic Range Window violation |
16-11-2023 02:07:47 | notice | DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:07:44 | notice | TLV-11 - unrecognized OID;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:07:41 | warning | DHCP WARNING - Non-critical field invalid in response ;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:07:39 | notice | Honoring MDD; IP provisioning mode = IPv4 |
16-11-2023 02:07:17 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:07:11 | critical | SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
16-11-2023 02:07:10 | critical | Cable Modem Reboot because of - unknown |
15-11-2023 03:15:13 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
15-11-2023 03:15:07 | critical | SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
15-11-2023 03:15:06 | critical | Cable Modem Reboot because of - unknown |
14-11-2023 02:36:30 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
14-11-2023 02:36:25 | critical | SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
14-11-2023 02:36:24 | critical | Cable Modem Reboot because of - unknown |
10-11-2023 14:12:45 | critical | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
10-11-2023 14:12:45 | critical | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
10-11-2023 14:12:45 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
10-11-2023 14:12:45 | critical | 16 consecutive T3 timeouts while trying to range on upstream channel 0;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
10-11-2023 14:12:25 | critical | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
10-11-2023 14:12:25 | critical | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |
10-11-2023 14:12:25 | critical | 16 consecutive T3 timeouts while trying to range on upstream channel 4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1; |