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Forum Discussion
Homeuser66
Jun 22, 2022Guide
Have to reset Modem more often now, due to WiFi not working.
I've had my Netgear CAX80 for almost a year now. I have never had any issues until recently. I have to reset my Modem almost every other day. My CAX80 will keep an Ethernet connection, but the Wi-Fi (both, 2G & 5G I'm not using the Wi-Fi 6) will drop out and ALL my Wi-Fi devices can't connect to it. When I try, it says, "Can't connect, no internet". Yet I can connect with a direct line with an ethernet cable. So, just the Wi-Fi is down, not my whole internet. My 2G channel is set for AUTO, while my 5G is set for 36, at the moment.
I have Xfinity and a direct line from the ground block (the barrel connection outside) directly to my modem. Which the total length is no more than 30 feet.
I have this from the Diagnostic Logs as of today, June 22, 2022 at 08:35am.
| Advanced Information | |
| 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 | 507 MHz | 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 | 256 QAM | 13 | 507000000 Hz | -3.6 dBmV | 41.4 dB | 1 | 0 |
| 2 | Locked | 256 QAM | 1 | 429000000 Hz | -2.3 dBmV | 42.2 dB | 0 | 0 |
| 3 | Locked | 256 QAM | 14 | 513000000 Hz | -4.0 dBmV | 41.2 dB | 0 | 0 |
| 4 | Locked | 256 QAM | 15 | 519000000 Hz | -4.3 dBmV | 41.0 dB | 0 | 0 |
| 5 | Locked | 256 QAM | 16 | 525000000 Hz | -4.3 dBmV | 41.0 dB | 0 | 0 |
| 6 | Locked | 256 QAM | 17 | 531000000 Hz | -3.7 dBmV | 41.1 dB | 0 | 0 |
| 7 | Locked | 256 QAM | 18 | 537000000 Hz | -3.7 dBmV | 41.1 dB | 0 | 0 |
| 8 | Locked | 256 QAM | 19 | 543000000 Hz | -3.9 dBmV | 41.1 dB | 0 | 0 |
| 9 | Locked | 256 QAM | 20 | 549000000 Hz | -4.1 dBmV | 40.9 dB | 0 | 0 |
| 10 | Locked | 256 QAM | 21 | 555000000 Hz | -4.3 dBmV | 40.7 dB | 2 | 0 |
| 11 | Locked | 256 QAM | 22 | 561000000 Hz | -4.2 dBmV | 40.7 dB | 0 | 0 |
| 12 | Locked | 256 QAM | 23 | 567000000 Hz | -4.2 dBmV | 40.8 dB | 0 | 0 |
| 13 | Locked | 256 QAM | 24 | 573000000 Hz | -4.2 dBmV | 40.7 dB | 4 | 0 |
| 14 | Locked | 256 QAM | 25 | 579000000 Hz | -4.0 dBmV | 40.8 dB | 1 | 0 |
| 15 | Locked | 256 QAM | 26 | 585000000 Hz | -4.1 dBmV | 40.7 dB | 3 | 0 |
| 16 | Locked | 256 QAM | 27 | 591000000 Hz | -4.0 dBmV | 40.8 dB | 1 | 0 |
| 17 | Locked | 256 QAM | 28 | 597000000 Hz | -4.1 dBmV | 40.7 dB | 3 | 0 |
| 18 | Locked | 256 QAM | 29 | 603000000 Hz | -4.4 dBmV | 40.4 dB | 3 | 0 |
| 19 | Locked | 256 QAM | 30 | 609000000 Hz | -5.0 dBmV | 40.0 dB | 6 | 0 |
| 20 | Locked | 256 QAM | 31 | 615000000 Hz | -5.0 dBmV | 39.6 dB | 15 | 0 |
| 21 | Locked | 256 QAM | 32 | 621000000 Hz | -5.0 dBmV | 39.8 dB | 25 | 0 |
| 22 | Locked | 256 QAM | 2 | 435000000 Hz | -2.6 dBmV | 42.1 dB | 0 | 0 |
| 23 | Locked | 256 QAM | 3 | 441000000 Hz | -3.0 dBmV | 41.8 dB | 0 | 0 |
| 24 | Locked | 256 QAM | 4 | 447000000 Hz | -3.2 dBmV | 41.8 dB | 1 | 0 |
| 25 | Locked | 256 QAM | 5 | 453000000 Hz | -3.4 dBmV | 41.8 dB | 1 | 0 |
| 26 | Locked | 256 QAM | 6 | 459000000 Hz | -3.6 dBmV | 41.6 dB | 1 | 0 |
| 27 | Locked | 256 QAM | 7 | 465000000 Hz | -3.9 dBmV | 41.5 dB | 1 | 0 |
| 28 | Locked | 256 QAM | 8 | 471000000 Hz | -3.8 dBmV | 41.5 dB | 0 | 0 |
| 29 | Locked | 256 QAM | 9 | 477000000 Hz | -3.8 dBmV | 41.4 dB | 1 | 0 |
| 30 | Locked | 256 QAM | 10 | 483000000 Hz | -3.7 dBmV | 41.4 dB | 0 | 0 |
| 31 | Locked | 256 QAM | 11 | 489000000 Hz | -3.5 dBmV | 41.5 dB | 0 | 0 |
| 32 | Locked | 256 QAM | 12 | 495000000 Hz | -3.3 dBmV | 41.6 dB | 2 | 0 |
Upstream Bonded Channels
| Channel | Lock Status | US Channel Type | Channel ID | Symbol Rate | Frequency | Power |
| 1 | Locked | ATDMA | 6 | 2560 Ksym/sec | 40400000 Hz | 44.0 dBmV |
| 2 | Locked | ATDMA | 2 | 5120 Ksym/sec | 16400000 Hz | 39.0 dBmV |
| 3 | Locked | ATDMA | 3 | 5120 Ksym/sec | 22800000 Hz | 39.5 dBmV |
| 4 | Locked | ATDMA | 4 | 5120 Ksym/sec | 29200000 Hz | 40.0 dBmV |
| 5 | Locked | ATDMA | 5 | 5120 Ksym/sec | 35600000 Hz | 40.5 dBmV |
| 6 | Not Locked | Unknown | 0 | 0 | 0 | 0.0 dBmV |
| 7 | Not Locked | Unknown | 0 | 0 | 0 | 0.0 dBmV |
| 8 | Not Locked | Unknown | 0 | 0 | 0 | 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 | 159 | 702000000 Hz | -4.52 dBmV | 40.0 dB | 1126 ~ 2969 | 3050460105 | 389960515 | 0 |
| 2 | Not Locked | 0 | 0 | 0 Hz | 0 dBmV | 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 |
Extended Upstream Transmit Power
9 Replies
- I'm Afraid to update firmware for that, when it's both.. But maybe I'll contact him.. Thanks!
- FURRYe38Guru - Experienced User
Thought your power specs are with in the specs, there a bit low. Might ask the ISP to maybe bump up the power one or two notches if possible.
You also have some corrects. Though shouldn't cause problems, I'd get them all to zero which can be attained. Check coax line and ensure coax jacks are screwed in well and snug fitting.
Homeuser66 wrote:
I've had my Netgear CAX80 for almost a year now. I have never had any issues until recently. I have to reset my Modem almost every other day. My CAX80 will keep an Ethernet connection, but the Wi-Fi (both, 2G & 5G I'm not using the Wi-Fi 6) will drop out and ALL my Wi-Fi devices can't connect to it. When I try, it says, "Can't connect, no internet". Yet I can connect with a direct line with an ethernet cable. So, just the Wi-Fi is down, not my whole internet. My 2G channel is set for AUTO, while my 5G is set for 36, at the moment.
I have Xfinity and a direct line from the ground block (the barrel connection outside) directly to my modem. Which the total length is no more than 30 feet.
I have this from the Diagnostic Logs as of today, June 22, 2022 at 08:35am.
Advanced Information 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. Starting Frequency Startup Procedure
Procedure Status Comment Acquire Downstream Channel 507 MHz 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 256 QAM 13 507000000 Hz -3.6 dBmV 41.4 dB 1 0 2 Locked 256 QAM 1 429000000 Hz -2.3 dBmV 42.2 dB 0 0 3 Locked 256 QAM 14 513000000 Hz -4.0 dBmV 41.2 dB 0 0 4 Locked 256 QAM 15 519000000 Hz -4.3 dBmV 41.0 dB 0 0 5 Locked 256 QAM 16 525000000 Hz -4.3 dBmV 41.0 dB 0 0 6 Locked 256 QAM 17 531000000 Hz -3.7 dBmV 41.1 dB 0 0 7 Locked 256 QAM 18 537000000 Hz -3.7 dBmV 41.1 dB 0 0 8 Locked 256 QAM 19 543000000 Hz -3.9 dBmV 41.1 dB 0 0 9 Locked 256 QAM 20 549000000 Hz -4.1 dBmV 40.9 dB 0 0 10 Locked 256 QAM 21 555000000 Hz -4.3 dBmV 40.7 dB 2 0 11 Locked 256 QAM 22 561000000 Hz -4.2 dBmV 40.7 dB 0 0 12 Locked 256 QAM 23 567000000 Hz -4.2 dBmV 40.8 dB 0 0 13 Locked 256 QAM 24 573000000 Hz -4.2 dBmV 40.7 dB 4 0 14 Locked 256 QAM 25 579000000 Hz -4.0 dBmV 40.8 dB 1 0 15 Locked 256 QAM 26 585000000 Hz -4.1 dBmV 40.7 dB 3 0 16 Locked 256 QAM 27 591000000 Hz -4.0 dBmV 40.8 dB 1 0 17 Locked 256 QAM 28 597000000 Hz -4.1 dBmV 40.7 dB 3 0 18 Locked 256 QAM 29 603000000 Hz -4.4 dBmV 40.4 dB 3 0 19 Locked 256 QAM 30 609000000 Hz -5.0 dBmV 40.0 dB 6 0 20 Locked 256 QAM 31 615000000 Hz -5.0 dBmV 39.6 dB 15 0 21 Locked 256 QAM 32 621000000 Hz -5.0 dBmV 39.8 dB 25 0 22 Locked 256 QAM 2 435000000 Hz -2.6 dBmV 42.1 dB 0 0 23 Locked 256 QAM 3 441000000 Hz -3.0 dBmV 41.8 dB 0 0 24 Locked 256 QAM 4 447000000 Hz -3.2 dBmV 41.8 dB 1 0 25 Locked 256 QAM 5 453000000 Hz -3.4 dBmV 41.8 dB 1 0 26 Locked 256 QAM 6 459000000 Hz -3.6 dBmV 41.6 dB 1 0 27 Locked 256 QAM 7 465000000 Hz -3.9 dBmV 41.5 dB 1 0 28 Locked 256 QAM 8 471000000 Hz -3.8 dBmV 41.5 dB 0 0 29 Locked 256 QAM 9 477000000 Hz -3.8 dBmV 41.4 dB 1 0 30 Locked 256 QAM 10 483000000 Hz -3.7 dBmV 41.4 dB 0 0 31 Locked 256 QAM 11 489000000 Hz -3.5 dBmV 41.5 dB 0 0 32 Locked 256 QAM 12 495000000 Hz -3.3 dBmV 41.6 dB 2 0 Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power 1 Locked ATDMA 6 2560 Ksym/sec 40400000 Hz 44.0 dBmV 2 Locked ATDMA 2 5120 Ksym/sec 16400000 Hz 39.0 dBmV 3 Locked ATDMA 3 5120 Ksym/sec 22800000 Hz 39.5 dBmV 4 Locked ATDMA 4 5120 Ksym/sec 29200000 Hz 40.0 dBmV 5 Locked ATDMA 5 5120 Ksym/sec 35600000 Hz 40.5 dBmV 6 Not Locked Unknown 0 0 0 0.0 dBmV 7 Not Locked Unknown 0 0 0 0.0 dBmV 8 Not Locked Unknown 0 0 0 0.0 dBmV Downstream OFDM Channels
Channel Lock
StatusModulation /
Profile IDChannel
IDFrequency Power SNR /
MERActive Subcarrier
Number RangeUnerrored
CodewordsCorrectable
CodewordsUncorrectable
Codewords1 Locked 0 ,1 ,2 ,3 159 702000000 Hz -4.52 dBmV 40.0 dB 1126 ~ 2969 3050460105 389960515 0 2 Not Locked 0 0 0 Hz 0 dBmV 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 Extended Upstream Transmit Power
- That's just the thing. I worked at Comcast as a installation tech, so I ran the line myself. I put my own fittings on and ran the line inside my house. I've double checked every fitting and they are spot on, even changed 1 just because. Things have changed since I worked there, but the line I ran (shielded) is only 2 years old, if that. I've even tested the line out the window directly to ground block to modem.. I have a call into Comcast. I'll see what they have to say..
Thanks!- FURRYe38Guru - Experienced User
Ok kewl. ya I found sometimes if the correct or un-correctables were seen with mine, I found one jack was not fitted correctly. All zero'd after re-fitting.
My ISP put an attenuator on mine as my power was too high. 😏