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Internet keeps dropping about once a day. Restart of modem is the only fix. Errors in event log.
As the title says my internet has been dropping, and tech support just wants to restart my modem over and over. There are numerous correctable and uncorrectable errors in the log even after only 10-15 mins. The modem is an SB8200. The coax line from the modem to the box on the side of the house is new, and the technician who installed our XFinity service a few months ago removed a "noisy" signal splitter and connected it directly. He said everything looked good. I'm getting pretty frustrated with these drops as on some days it may keep happening over and over, then there's days it doesn't happen at all. On average I'd say, about once a day, or once every other day it drops in the middle of a zoom call or something.
This just happened about 20 mins ago, and these are the logs. These correctable/uncorrectables are fresh, not from a long uptime.
Any help is greatly appreciated. Thanks for your time.
| Startup Procedure | ||
|---|---|---|
| Procedure | Status | Comment |
| Acquire Downstream Channel | 495000000 Hz | Locked |
| Connectivity State | OK | Operational |
| Boot State | OK | Operational |
| Configuration File | OK | |
| Security | Enabled | BPI+ |
| DOCSIS Network Access Enabled | Allowed | |
| Downstream Bonded Channels | |||||||
|---|---|---|---|---|---|---|---|
| Channel ID | Lock Status | Modulation | Frequency | Power | SNR/MER | Corrected | Uncorrectables |
| 5 | Locked | QAM256 | 495000000 Hz | -7.5 dBmV | 40.6 dB | 10731 | 13787 |
| 1 | Locked | QAM256 | 471000000 Hz | -7.2 dBmV | 40.7 dB | 11449 | 14879 |
| 2 | Locked | QAM256 | 477000000 Hz | -7.1 dBmV | 40.8 dB | 10838 | 14386 |
| 3 | Locked | QAM256 | 483000000 Hz | -7.4 dBmV | 40.6 dB | 11033 | 14422 |
| 4 | Locked | QAM256 | 489000000 Hz | -7.6 dBmV | 40.6 dB | 11372 | 13384 |
| 6 | Locked | QAM256 | 501000000 Hz | -7.7 dBmV | 40.6 dB | 10814 | 13107 |
| 7 | Locked | QAM256 | 507000000 Hz | -7.8 dBmV | 40.4 dB | 10318 | 13277 |
| 8 | Locked | QAM256 | 513000000 Hz | -7.8 dBmV | 40.4 dB | 10652 | 13040 |
| 9 | Locked | QAM256 | 519000000 Hz | -8.0 dBmV | 40.3 dB | 11170 | 12530 |
| 10 | Locked | QAM256 | 525000000 Hz | -8.6 dBmV | 40.0 dB | 10962 | 12201 |
| 11 | Locked | QAM256 | 531000000 Hz | -8.5 dBmV | 40.0 dB | 11206 | 12056 |
| 12 | Locked | QAM256 | 537000000 Hz | -8.8 dBmV | 39.9 dB | 10626 | 11836 |
| 13 | Locked | QAM256 | 543000000 Hz | -8.8 dBmV | 39.8 dB | 10699 | 11560 |
| 14 | Locked | QAM256 | 549000000 Hz | -8.7 dBmV | 39.7 dB | 11032 | 11337 |
| 15 | Locked | QAM256 | 555000000 Hz | -8.9 dBmV | 39.7 dB | 10808 | 10814 |
| 16 | Locked | QAM256 | 561000000 Hz | -9.0 dBmV | 39.4 dB | 10563 | 10886 |
| 17 | Locked | QAM256 | 567000000 Hz | -9.7 dBmV | 39.1 dB | 10714 | 11183 |
| 18 | Locked | QAM256 | 573000000 Hz | -9.8 dBmV | 39.1 dB | 10747 | 10449 |
| 19 | Locked | QAM256 | 579000000 Hz | -10.0 dBmV | 38.8 dB | 10801 | 10213 |
| 33 | Locked | QAM256 | 441000000 Hz | -7.1 dBmV | 40.9 dB | 10794 | 10167 |
| 34 | Locked | QAM256 | 453000000 Hz | -7.3 dBmV | 40.9 dB | 10226 | 9794 |
| 35 | Locked | QAM256 | 459000000 Hz | -7.1 dBmV | 40.9 dB | 10611 | 9936 |
| 36 | Locked | QAM256 | 465000000 Hz | -7.2 dBmV | 40.7 dB | 10396 | 9383 |
| 37 | Locked | Other | 690000000 Hz | -11.4 dBmV | 34.5 dB | 654101418 | 74898 |
| 38 | Not Locked | QAM256 | 0 Hz | 0.0 dBmV | 41.4 dB | 10327 | 9397 |
| 39 | Locked | QAM256 | 417000000 Hz | -6.3 dBmV | 41.5 dB | 10475 | 8843 |
| 40 | Locked | QAM256 | 423000000 Hz | -6.1 dBmV | 41.5 dB | 9930 | 8412 |
| 41 | Locked | QAM256 | 429000000 Hz | -6.3 dBmV | 41.3 dB | 9962 | 8526 |
| 42 | Locked | QAM256 | 435000000 Hz | -6.5 dBmV | 41.6 dB | 9362 | 7926 |
| 43 | Locked | QAM256 | 393000000 Hz | -5.1 dBmV | 41.7 dB | 9541 | 8175 |
| 44 | Locked | QAM256 | 399000000 Hz | -5.7 dBmV | 41.4 dB | 9485 | 7756 |
| 45 | Locked | QAM256 | 405000000 Hz | -6.2 dBmV | 41.4 dB | 9350 | 7352 |
| Upstream Bonded Channels | ||||||
|---|---|---|---|---|---|---|
| Channel | Channel ID | Lock Status | US Channel Type | Frequency | Width | Power |
| 1 | 1 | Locked | SC-QAM Upstream | 35600000 Hz | 6400000 Hz | 51.0 dBmV |
| 2 | 2 | Locked | SC-QAM Upstream | 29200000 Hz | 6400000 Hz | 51.0 dBmV |
| 3 | 3 | Locked | SC-QAM Upstream | 22800000 Hz | 6400000 Hz | 51.0 dBmV |
| 4 | 4 | Locked | SC-QAM Upstream | 16400000 Hz | 6400000 Hz | 50.0 dBmV |
| Date Time | Event ID | Event Level | Description |
|---|---|---|---|
| 04/04/2023 15:38 | 67061600 | 6 | "DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3." |
| 04/04/2023 15:38 | 2436694066 | 6 | "Honoring MDD; IP provisioning mode = IPv6" |
| 04/04/2023 15:37 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:37 | 82000400 | 3 | "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out" |
| 04/04/2023 15:37 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:37 | 82000400 | 3 | "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out" |
| 04/04/2023 15:37 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:36 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 16; Chan ID: 37; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3." |
| 04/04/2023 15:36 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:36 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 16; Chan ID: 37; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3." |
| 04/04/2023 15:36 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:36 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 16; Chan ID: 37; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3." |
| 04/04/2023 15:36 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:35 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 7; Chan ID: 1 2; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A." |
| 04/04/2023 15:35 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:35 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 7; Chan ID: 1 2; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A." |
| 04/04/2023 15:34 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:34 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 7; Chan ID: 1 2; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A." |
| 04/04/2023 15:34 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:34 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 7; Chan ID: 1 2; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A." |
| 04/04/2023 15:33 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:33 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 7; Chan ID: 1 2; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A." |
| 04/04/2023 15:33 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:33 | 82000800 | 3 | "16 consecutive T3 timeouts while trying to range on upstream channel 0" |
| 04/04/2023 15:33 | 82000600 | 3 | "Unicast Maintenance Ranging attempted - No response - Retries exhausted" |
| 04/04/2023 15:33 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:33 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 7; Chan ID: 2; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A." |
| 04/04/2023 15:33 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:32 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:32 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:32 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:32 | 82000200 | 3 | "No Ranging Response received - T3 time-out" |
| 04/04/2023 15:32 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:32 | 82000800 | 3 | "16 consecutive T3 timeouts while trying to range on upstream channel 1" |
| 04/04/2023 15:32 | 82000600 | 3 | "Unicast Maintenance Ranging attempted - No response - Retries exhausted" |
| 04/04/2023 15:32 | 82000500 | 3 | "Started Unicast Maintenance Ranging - No Response received - T3 time-out" |
| 04/04/2023 15:32 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 24; Chan ID: 37; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 2 3." |
No Responses!