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Forum Discussion
CBR750 not tranmitting to Comcast
So after getting my replacement CBR750 a new problem has come up. I had a Comcast tech onsite Saturday 12-17-2022 after fixing a bunch of noisy lines, my speed is still around the same 910-890. Howev...
| Time | Priority | Description |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:01 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:02 | Notice (6) | CM-STATUS message sent. Event Type Code: 21 |
| Dec 17 2022 14:04:02 | Warning (5) | Lost MDD Timeout |
| Dec 17 2022 14:04:46 | Critical (3) | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out |
| Dec 17 2022 15:26:46 | Error (4) | Missing Mandatory MDD TLV on primary DS Channel |
| Dec 17 2022 15:27:02 | Critical (3) | SYNC Timing Synchronization failure - Loss of Sync |
| Dec 17 2022 15:27:15 | Warning (5) | ToD request sent - No Response received |
| Dec 17 2022 15:27:18 | Warning (5) | MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1 |
| Dec 17 2022 15:27:18 | Notice (6) | TLV-11 - unrecognized OID |
| Dec 17 2022 15:27:18 | Critical (3) | Config File Rejected due to Invalid or Unexpected TLV 11 |
| Dec 17 2022 15:27:19 | Warning (5) | RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW |
| Dec 17 2022 15:27:29 | Alert (2) | CM Certificate Error |
| Dec 17 2022 16:18:07 | Warning (5) | MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1 |
| Dec 17 2022 16:18:07 | Notice (6) | TLV-11 - unrecognized OID |
| Dec 17 2022 16:18:07 | Critical (3) | Config File Rejected due to Invalid or Unexpected TLV 11 |
| Dec 17 2022 16:18:11 | Warning (5) | RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW |
| Dec 17 2022 16:18:20 | Alert (2) | CM Certificate Error |
| Dec 17 2022 16:32:22 | Notice (6) | CM-STATUS message sent. Event Type Code: 5 |
| Dec 17 2022 16:35:52 | Warning (5) | MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1 |
| Dec 17 2022 16:35:52 | Notice (6) | TLV-11 - unrecognized OID |
| Dec 17 2022 16:35:52 | Critical (3) | Config File Rejected due to Invalid or Unexpected TLV 11 |
| Dec 17 2022 16:35:56 | Warning (5) | RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW |
| Dec 17 2022 16:36:06 | Alert (2) | CM Certificate Error |
| Dec 17 2022 22:58:19 | Critical (3) | No Ranging Response received - T3 time-out |
| Dec 18 2022 00:22:35 | Notice (6) | CM-STATUS message sent. Event Type Code: 5 |
| Dec 18 2022 00:54:12 | Critical (3) | No Ranging Response received - T3 time-out |
| Dec 18 2022 12:52:47 | Warning (5) | MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1 |
| Dec 18 2022 12:52:47 | Notice (6) | TLV-11 - unrecognized OID |
| Dec 18 2022 12:52:47 | Critical (3) | Config File Rejected due to Invalid or Unexpected TLV 11 |
| Dec 18 2022 12:52:51 | Warning (5) | RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW |
| Dec 18 2022 12:53:00 | Alert (2) | CM Certificate Error |
| Dec 18 2022 12:53:37 | Critical (3) | No Ranging Response received - T3 time-out |
| Dec 18 2022 13:18:06 | Notice (6) | CM-STATUS message sent. Event Type Code: 5 |
| Dec 18 2022 15:44:49 | Alert (2) | CM Certificate Error |
| Dec 18 2022 16:13:17 | Critical (3) | No Ranging Response received - T3 time-out |
| Dec 19 2022 13:47:07 | Notice (6) | CM-STATUS message sent. Event Type Code: 5 |
| Dec 19 2022 15:44:48 | Alert (2) | CM Certificate Error |
| Dec 19 2022 16:12:44 | Critical (3) | No Ranging Response received - T3 time-out |
| Dec 19 2022 16:16:35 | Notice (6) | DS profile config update. DS Chan ID: 193. |
| Dec 19 2022 17:30:26 | Critical (3) | No Ranging Response received - T3 time-out |
Got the Cable Connections status page?
Be sure the ISP provisions the modem correctly. I see some critical that the ISP needs to look at.
"Config File Rejected due to Invalid or Unexpected TLV 11"
"Error (4) Missing Mandatory MDD TLV on primary DS Channel"
Has a factory reset been performed with the CBR disconnected from the ISP Coax line.
Was the test modem another CBR or a different modem altogether?