New Contributor II
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T3/T4 timeout errors
I'm having frequent dropped internet signals. Ran diagnostics on my Nighthawk modem. Problems seems to be upstream, innumerable T3/T4 timeout issues. I cannot get the customer support person to understand the issue (over his/her head?). They keep telling me to check my modem. I have a tech background. I know the difference. Here is my modem log below. How to I get someone at Cox customer service that understands the problem, not the first line customer service people that don't understand the details of the problem?
| Time | Priority | Description |
| Tue Jun 20 10:34:07 2023 | (Critical (3)) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:34:07 2023 | (Critical (3)) | No Ranging Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:34:02 2023 | (Critical (3)) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:34:01 2023 | (Critical (3)) | No Ranging Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:33:57 2023 | (Critical (3)) | 16 consecutive T3 timeouts while trying to range on upstream channel 8;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:33:57 2023 | (Critical (3)) | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:33:57 2023 | (Critical (3)) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:31:44 2023 | (Critical (3)) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:26:28 2023 | (Critical (3)) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:26:27 2023 | (Critical (3)) | No Ranging Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:26:24 2023 | (Critical (3)) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:21:33 2023 | (Critical (3)) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:21:33 2023 | (Critical (3)) | No Ranging Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:21:26 2023 | (Critical (3)) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:21:26 2023 | (Critical (3)) | No Ranging Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:21:25 2023 | (Critical (3)) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:19:01 2023 | (Critical (3)) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:19:01 2023 | (Critical (3)) | No Ranging Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:18:59 2023 | (Critical (3)) | 16 consecutive T3 timeouts while trying to range on upstream channel 8;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:18:59 2023 | (Critical (3)) | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:18:59 2023 | (Critical (3)) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:15:39 2023 | (Warning (5)) | Dynamic Range Window violation |
| Tue Jun 20 10:15:39 2023 | (Warning (5)) | RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:15:38 2023 | (Critical (3)) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:15:19 2023 | (Critical (3)) | No Maintenance Broadcasts for Ranging opportunities received - T2 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:15:09 2023 | (Critical (3)) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:15:09 2023 | (Critical (3)) | No Ranging Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:15:08 2023 | (Critical (3)) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:15:08 2023 | (Critical (3)) | No Ranging Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:15:03 2023 | (Critical (3)) | 16 consecutive T3 timeouts while trying to range on upstream channel 8;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:15:03 2023 | (Critical (3)) | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:15:03 2023 | (Critical (3)) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:12:46 2023 | (Critical (3)) | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:12:46 2023 | (Critical (3)) | No Ranging Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:12:43 2023 | (Critical (3)) | 16 consecutive T3 timeouts while trying to range on upstream channel 8;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:12:43 2023 | (Critical (3)) | Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:12:43 2023 | (Critical (3)) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:12:24 2023 | (Warning (5)) | Dynamic Range Window violation |
| Tue Jun 20 10:12:24 2023 | (Warning (5)) | RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
| Tue Jun 20 10:12:23 2023 | (Critical (3)) | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=6c:cd:d6:68:c7:bc;CMTS-MAC=00:29:c2:00:c9:5e;CM-QOS=1.1;CM-VER=3.1; |
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