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31 of 32 Downstream Bonded Channels
A little over a week ago I upgraded my 600Mbps Comcast plan to 1Gbps and replace my Netgear CM600 modem with a Netgear CM2050V. Mostly, I wanted to get higher upload speeds, within the realm of Comcast plans, but also to replace their voice modem.
While I am not getting the most out of the 1Gbps download speed, highest around 616Mbps, the upload speed appears as expected, highest around 42Mbps for thier specified 35Mbps. I spent several hours with them on the phone early on trying to determine if there was an issue for the download speed especially since I have multiple machines capable of doing over 1Gbps speeds, CAT6 wiring, etc. Typical experience as you would expect.
However, I found that only 31 of my 32 downstream channels were bonded.
Has anyone seen this or know if this is an actual issue? Comcast eventually pointed me to Netgear and was saying this was not an issue.
Below is my full connection status for this expecially for those that want to see the full connection for comparisons. For this particular question, you will see the downstream only has 31 channels bonded and the last not locked and not configured.
Cable Connection
| 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. | |
|
Startup Procedure
| Procedure | Status | Comment |
| Acquire Downstream Channel | 495000000 Hz | Locked |
| Connectivity State | OK | Operational |
| Boot State | OK | Operational |
| Security | Enabled | BPI+ |
Downstream Bonded Channels
| Channel | Lock Status | Modulation | Channel ID | Frequency | Power | SNR | Correctables | Uncorrectables |
| 1 | Locked | QAM256 | 20 | 495000000 Hz | 7.8 dBmV | 41.4 dB | 15 | 0 |
| 2 | Locked | QAM256 | 4 | 399000000 Hz | 7.5 dBmV | 41.8 dB | 1 | 0 |
| 3 | Locked | QAM256 | 5 | 405000000 Hz | 7.4 dBmV | 41.7 dB | 4 | 0 |
| 4 | Locked | QAM256 | 6 | 411000000 Hz | 7.4 dBmV | 41.7 dB | 2 | 0 |
| 5 | Locked | QAM256 | 7 | 417000000 Hz | 7.3 dBmV | 41.6 dB | 6 | 0 |
| 6 | Locked | QAM256 | 8 | 423000000 Hz | 7.3 dBmV | 41.6 dB | 2 | 0 |
| 7 | Locked | QAM256 | 9 | 429000000 Hz | 7.5 dBmV | 41.7 dB | 2 | 0 |
| 8 | Locked | QAM256 | 10 | 435000000 Hz | 7.5 dBmV | 41.7 dB | 2 | 0 |
| 9 | Locked | QAM256 | 11 | 441000000 Hz | 7.4 dBmV | 41.6 dB | 8 | 0 |
| 10 | Locked | QAM256 | 12 | 447000000 Hz | 7.6 dBmV | 41.5 dB | 7 | 0 |
| 11 | Locked | QAM256 | 13 | 453000000 Hz | 7.8 dBmV | 41.6 dB | 7 | 0 |
| 12 | Locked | QAM256 | 14 | 459000000 Hz | 8.0 dBmV | 41.6 dB | 5 | 0 |
| 13 | Locked | QAM256 | 15 | 465000000 Hz | 8.2 dBmV | 41.7 dB | 2 | 0 |
| 14 | Locked | QAM256 | 16 | 471000000 Hz | 8.3 dBmV | 41.6 dB | 4 | 0 |
| 15 | Locked | QAM256 | 17 | 477000000 Hz | 8.3 dBmV | 41.6 dB | 4 | 0 |
| 16 | Locked | QAM256 | 18 | 483000000 Hz | 8.2 dBmV | 41.6 dB | 3 | 0 |
| 17 | Locked | QAM256 | 19 | 489000000 Hz | 7.9 dBmV | 41.4 dB | 3 | 0 |
| 18 | Locked | QAM256 | 21 | 507000000 Hz | 8.0 dBmV | 41.5 dB | 5 | 0 |
| 19 | Locked | QAM256 | 22 | 513000000 Hz | 8.0 dBmV | 41.4 dB | 7 | 0 |
| 20 | Locked | QAM256 | 23 | 519000000 Hz | 8.0 dBmV | 41.4 dB | 8 | 0 |
| 21 | Locked | QAM256 | 24 | 525000000 Hz | 7.9 dBmV | 41.3 dB | 8 | 0 |
| 22 | Locked | QAM256 | 25 | 531000000 Hz | 8.0 dBmV | 41.3 dB | 10 | 0 |
| 23 | Locked | QAM256 | 26 | 537000000 Hz | 8.1 dBmV | 41.3 dB | 3 | 0 |
| 24 | Locked | QAM256 | 27 | 543000000 Hz | 8.0 dBmV | 41.3 dB | 5 | 0 |
| 25 | Locked | QAM256 | 28 | 549000000 Hz | 8.0 dBmV | 41.2 dB | 11 | 0 |
| 26 | Locked | QAM256 | 29 | 555000000 Hz | 7.8 dBmV | 41.2 dB | 9 | 0 |
| 27 | Locked | QAM256 | 30 | 561000000 Hz | 7.7 dBmV | 41.1 dB | 8 | 0 |
| 28 | Locked | QAM256 | 31 | 567000000 Hz | 7.4 dBmV | 41.0 dB | 15 | 0 |
| 29 | Locked | QAM256 | 32 | 573000000 Hz | 7.4 dBmV | 40.8 dB | 10 | 0 |
| 30 | Locked | QAM256 | 33 | 579000000 Hz | 7.4 dBmV | 40.8 dB | 15 | 0 |
| 31 | Locked | QAM256 | 34 | 585000000 Hz | 7.6 dBmV | 40.8 dB | 7 | 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 | 5 | 5120 | 36500000 Hz | 39.5 dBmV |
| 2 | Locked | ATDMA | 6 | 5120 | 30100000 Hz | 40.3 dBmV |
| 3 | Locked | ATDMA | 7 | 5120 | 23700000 Hz | 39.8 dBmV |
| 4 | Locked | ATDMA | 8 | 5120 | 17300000 Hz | 38.8 dBmV |
| 5 | Not Locked | Unknown | 0 | 0 | 0 Hz | 0.0 dBmV |
| 6 | Not Locked | Unknown | 0 | 0 | 0 Hz | 0.0 dBmV |
| 7 | Not Locked | Unknown | 0 | 0 | 0 Hz | 0.0 dBmV |
| 8 | Not Locked | Unknown | 0 | 0 | 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 | Locked | 0 ,1 ,2 ,3 | 48 | 722000000 Hz | 10.8 dBmV | 39.4 dB | 1108 ~ 2987 | 10653606569 | 10528333163 | 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 |
Current System Time:Tue Dec 29 11:51:36 2020System Up Time:8 days 23:21:37
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