Could be a signal problem. Maybe it is only bonding one channel down when you see the 30Mbps speed. Do you lose the blue downstream light on the front? Can you post the signal levels from 192.168.100.1? See here for more info.
The statuses listed show the connection state of the cable modem. They are used by your service provider to evaluate the operation of the cable modem.
| Startup Procedure | ||
|---|---|---|
| Procedure | Status | Comment |
| Acquire Downstream Channel | Locked | |
| Connectivity State | OK | Operational |
| Boot State | OK | Operational |
| Configuration File | OK | |
| Security | Enabled | BPI+ |
| DOCSIS Network Access Enabled | Allowed | |
| Downstream Bonded Channels | ||||||||
|---|---|---|---|---|---|---|---|---|
| Channel | Lock Status | Modulation | Channel ID | Frequency | Power | SNR | Corrected | Uncorrectables |
| 1 | Locked | QAM256 | 29 | 951000000 Hz | 5.9 dBmV | 31.8 dB | 16 | 0 |
| 2 | Locked | QAM256 | 17 | 879000000 Hz | 8.1 dBmV | 32.5 dB | 0 | 0 |
| 3 | Locked | QAM256 | 18 | 885000000 Hz | 7.8 dBmV | 32.4 dB | 10 | 0 |
| 4 | Locked | QAM256 | 19 | 891000000 Hz | 7.5 dBmV | 32.4 dB | 0 | 0 |
| 5 | Locked | QAM256 | 20 | 897000000 Hz | 7.1 dBmV | 32.3 dB | 4 | 0 |
| 6 | Locked | QAM256 | 21 | 903000000 Hz | 6.7 dBmV | 32.3 dB | 14 | 0 |
| 7 | Locked | QAM256 | 22 | 909000000 Hz | 6.7 dBmV | 32.2 dB | 10 | 0 |
| 8 | Locked | QAM256 | 23 | 915000000 Hz | 6.7 dBmV | 32.2 dB | 22 | 0 |
| 9 | Locked | QAM256 | 24 | 921000000 Hz | 6.7 dBmV | 32.1 dB | 20 | 0 |
| 10 | Locked | QAM256 | 25 | 927000000 Hz | 6.8 dBmV | 32.0 dB | 26 | 0 |
| 11 | Locked | QAM256 | 26 | 933000000 Hz | 6.6 dBmV | 32.0 dB | 15 | 0 |
| 12 | Locked | QAM256 | 27 | 939000000 Hz | 6.5 dBmV | 32.0 dB | 28 | 0 |
| 13 | Locked | QAM256 | 28 | 945000000 Hz | 6.4 dBmV | 31.9 dB | 45 | 0 |
| 14 | Locked | QAM256 | 30 | 957000000 Hz | 6.0 dBmV | 31.8 dB | 42 | 0 |
| 15 | Locked | QAM256 | 31 | 963000000 Hz | 5.8 dBmV | 31.8 dB | 25 | 0 |
| 16 | Locked | QAM256 | 32 | 969000000 Hz | 6.1 dBmV | 31.7 dB | 62 | 0 |
| Upstream Bonded Channels | ||||||
|---|---|---|---|---|---|---|
| Channel | Lock Status | US Channel Type | Channel ID | Symbol Rate | Frequency | Power |
| 1 | Locked | ATDMA | 1 | 5120 Ksym/sec | 36800000 Hz | 32.7 dBmV |
| 2 | Locked | ATDMA | 2 | 5120 Ksym/sec | 30400000 Hz | 34.2 dBmV |
| 3 | Locked | ATDMA | 3 | 5120 Ksym/sec | 24000000 Hz | 32.7 dBmV |
| 4 | Locked | ATDMA | 4 | 5120 Ksym/sec | 17600000 Hz | 32.7 dBmV |
Current System Time: Thu Dec 29 11:00:40 2022
Well you are bonding on all 16 downstream channels, but your SNR is low. It should be above 35-36. What did the technicians say about that? Also, can you explain how the coaxial gets from the street to the room the modem is in? Any splitters or amps?
Also, I assume you have connected direct to the modem and done a speed test that way, to rule out the router.
Actually, SNR should be over 30, less than 30 is a problem.
SNR should be over 30, less than 30 is a problem.
From my experience, I have seen problems when ever the SNR is below 35. However you are right, technically 30 is the spec.
they did not comment on the SNR. No splitters or amps.
Speed test done by the cox technicians direct to the modem was 30up/3down.
Techs tested a new modem (from cox 3.1) and did a direct speed test and it was 178download.
Have you done a speedtst direct to the 6183?
SNR is slow. Mine is always 39 to 41.
SNR isn't fast or slow, it's the Signal to Noise ratio.
