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Fendforself's avatar
Fendforself
Aspirant
Mar 13, 2023

CAX80 Firmware issues

Started have an issue last week with my cable speeds had a tech come out twice in a week to check for issues. I have my modem re-provisioned which is the only thing that fixes it for a time. I tried ...
Fendforself's avatar
Fendforself
Aspirant
Mar 14, 2023

 

 

Cable Diagnostic

Status: Good

Action: Your setup looks fine. If you are still experience an internet issue, the Netgear Cable Knowledge Base can provide additional troubleshooting info.

Internet Access: Good

Downstream Status: Good

Downstream Power Level: Good

Downstream SNR: Good

Upstream Status: Good

Upstream Power Level: Good


Current time: Tue Mar 14 14:56:02 2023

Startup Procedure
Acquire Downstream Channel: 513 MHz Locked
Connectivity State: OK Operational
Boot State: OK Operational
Security: Enabled BPI+


Downstream Bonded Channels
Channel LockedStatus Modulation ChannelID Frequency Power SNR Correctables Uncorrectables
1 Locked 256 QAM 24 513000000 Hz 2 dBmV 43.5 dB 0 0
2 Locked 256 QAM 1 363000000 Hz 3.5 dBmV 43.7 dB 0 0
3 Locked 256 QAM 2 369000000 Hz 3.6 dBmV 43.8 dB 0 0
4 Locked 256 QAM 3 375000000 Hz 3.8 dBmV 43.9 dB 0 0
5 Locked 256 QAM 4 381000000 Hz 3.7 dBmV 43.8 dB 0 0
6 Locked 256 QAM 5 387000000 Hz 3.5 dBmV 43.8 dB 0 0
7 Locked 256 QAM 6 393000000 Hz 3.2 dBmV 43.7 dB 0 0
8 Locked 256 QAM 7 399000000 Hz 3 dBmV 43.6 dB 0 0
9 Locked 256 QAM 8 405000000 Hz 3.1 dBmV 43.6 dB 0 0
10 Locked 256 QAM 9 411000000 Hz 3.1 dBmV 43.7 dB 0 0
11 Locked 256 QAM 10 417000000 Hz 3.1 dBmV 43.6 dB 0 0
12 Locked 256 QAM 11 423000000 Hz 2.8 dBmV 43.5 dB 0 0
13 Locked 256 QAM 13 441000000 Hz 2.6 dBmV 43.5 dB 0 0
14 Locked 256 QAM 14 447000000 Hz 2.4 dBmV 43.5 dB 0 0
15 Locked 256 QAM 15 453000000 Hz 2.6 dBmV 43.5 dB 0 0
16 Locked 256 QAM 16 459000000 Hz 2.4 dBmV 43.5 dB 0 0
17 Locked 256 QAM 17 465000000 Hz 2.2 dBmV 43.4 dB 0 0
18 Locked 256 QAM 18 471000000 Hz 2.1 dBmV 43.4 dB 0 0
19 Locked 256 QAM 19 477000000 Hz 2.3 dBmV 43.5 dB 0 0
20 Locked 256 QAM 20 483000000 Hz 2.1 dBmV 43.4 dB 0 0
21 Locked 256 QAM 21 489000000 Hz 2.1 dBmV 43.2 dB 0 0
22 Locked 256 QAM 22 495000000 Hz 1.9 dBmV 43.4 dB 0 0
23 Locked 256 QAM 23 507000000 Hz 1.9 dBmV 43.4 dB 0 0
24 Locked 256 QAM 26 519000000 Hz 1.8 dBmV 43.4 dB 0 0
25 Locked 256 QAM 27 525000000 Hz 1.7 dBmV 43.4 dB 0 0
26 Locked 256 QAM 28 531000000 Hz 1.4 dBmV 43.3 dB 0 0
27 Locked 256 QAM 29 537000000 Hz 1.3 dBmV 43.1 dB 0 0
28 Locked 256 QAM 30 543000000 Hz 1.4 dBmV 43.3 dB 0 0
29 Locked 256 QAM 31 549000000 Hz 1.4 dBmV 43.3 dB 0 0
30 Locked 256 QAM 32 555000000 Hz 1.1 dBmV 43.1 dB 0 0
31 Locked 256 QAM 33 561000000 Hz 1 dBmV 42.9 dB 0 0
32 Not Locked Unknown 0 0 Hz 0.0 0.0 0 0


Upstream Bonded Channels
Channel LockedStatus ChannelType ChannelID SymbolRate Frequency Power
1 Locked ATDMA 62 5120 Ksym/sec 24200000 Hz 37.8 dBmV
2 Locked ATDMA 61 5120 Ksym/sec 17800000 Hz 38.0 dBmV
3 Locked ATDMA 64 5120 Ksym/sec 37000000 Hz 40.5 dBmV
4 Locked ATDMA 63 5120 Ksym/sec 30600000 Hz 39.3 dBmV
5 Not Locked Unknown 0 0 0 0.0
6 Not Locked Unknown 0 0 0 0.0
7 Not Locked Unknown 0 0 0 0.0
8 Not Locked Unknown 0 0 0 0.0


Downstream OFDM Channels
Channel LockedStatus ProfileID ChannelID Frequency Power SNR/MER ActiveSubcarrier Unerror Correctable Uncorrectable
1 Locked 0 ,1 ,2 25 668000000 Hz -0.92 dBmV 41.2 dB 1108 ~ 2987 600512 581370 0
2 Not Locked 0 0 0 Hz 0 dBmV 0 dB 0 ~ 4095 0 0 0


Upstream OFDMA Channels
Channel LockedStatus ProfileID ChannelID Frequency Power
1 Not Locked 0 0 0 Hz 0 dBmV
2 Not Locked 0 0 0 Hz 0 dBmV


Event Log
Time Priority Description
Tue Mar 14 14:54:45 2023 Critical Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Tue Mar 14 14:54:39 2023 Notice DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2.;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Tue Mar 14 14:54:14 2023 Notice TLV-11 - unrecognized OID;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Tue Mar 14 14:54:09 2023 Error Missing BP Configuration Setting TLV Type: 17.9;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Tue Mar 14 14:54:09 2023 Error Missing BP Configuration Setting TLV Type: 17.8;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Tue Mar 14 14:54:09 2023 Error Missing BP Configuration Setting TLV Type: 17.3;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Tue Mar 14 14:54:09 2023 Warning DHCP WARNING - Non-critical field invalid in response ;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:51 1970 Notice Overriding MDD IP initialization parameters; IP provisioning mode = IPv4
Thu Jan 1 00:00:43 1970 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:53 1970 Critical DHCP FAILED - Discover sent, no offer received;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:55:12 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:55:08 2023 Critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:54:49 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:54:48 2023 Critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:54:35 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:54:34 2023 Critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:52:22 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:52:17 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:52:12 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:48 1970 Critical No Ranging Response received - T3 time-out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:28:56 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:28:52 2023 Critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:28:34 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:28:34 2023 Critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:28:03 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:28:03 2023 Critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:27:32 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:27:31 2023 Critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:25:12 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:25:06 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Mon Mar 13 16:25:04 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:47 1970 Critical No Ranging Response received - T3 time-out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:43 1970 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:48 1970 Critical No Ranging Response received - T3 time-out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:44 1970 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:47 1970 Critical No Ranging Response received - T3 time-out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 1 00:00:44 1970 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Sat Mar 11 09:42:59 2023 Critical Resetting the cable modem due to docsDevResetNow
Thu Jan 1 00:00:54 1970 Critical DHCP FAILED - Discover sent, no offer received;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Fri Mar 10 17:09:32 2023 Critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;

 

Speeds < 400mbps

 

I'm now back on another modem with the same equipment with no speed slowdowns.

FURRYe38's avatar
FURRYe38
Guru - Experienced User
Mar 15, 2023

Power levels look good.

 

However, the ISP needs to review and resolve all the Errors, Criticals, and Warnings. That's on them.