on 06-07-2021 10:39
I get dropped packets from a wired connection generally after 3pm every day. It's a real nightmare as most of us I need to do video calls - and the connection is virtually unusable. The lost packets correlate with critical errors I'm getting on the Hub, i.e "No Ranging Response received". I run network tests and everything is fine. I've call VM before and told to do a Factory Reset which I've done, but didn't fix it...
Time | Priority | Description |
01/01/1970 00:01:36 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
03/07/2021 20:57:27 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
03/07/2021 20:57:27 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
02/07/2021 08:11:54 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
02/07/2021 01:17:14 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
29/06/2021 22:53:20 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
28/06/2021 13:17:14 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
25/06/2021 13:53:13 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
25/06/2021 12:31:8 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
21/06/2021 13:17:25 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
21/06/2021 01:03:20 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 04:37:15 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:34:1 | critical | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:31:47 | Warning! | Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:31:42 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:31:41 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:31:41 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:31:41 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
15/06/2021 17:55:31 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
15/06/2021 02:00:51 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
on 06-07-2021 13:56
Please post your power levels, network log and Pre and PostRS errors. Also setup a BQM here www.thinkbroadband.com/ping
Once done we can comment on your circuit.
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on 06-07-2021 15:38
Many thanks Downstream bonded channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 139000000 | -11.5 | 35 | 256 qam | 1 |
2 | 147000000 | -11.7 | 36 | 256 qam | 2 |
3 | 155000000 | -11.7 | 36 | 256 qam | 3 |
4 | 163000000 | -11.5 | 36 | 256 qam | 4 |
5 | 171000000 | -11.2 | 36 | 256 qam | 5 |
6 | 179000000 | -11.2 | 36 | 256 qam | 6 |
7 | 187000000 | -10.9 | 36 | 256 qam | 7 |
8 | 195000000 | -11 | 36 | 256 qam | 8 |
9 | 203000000 | -11.2 | 36 | 256 qam | 9 |
10 | 211000000 | -11.4 | 36 | 256 qam | 10 |
11 | 219000000 | -11.5 | 36 | 256 qam | 11 |
12 | 227000000 | -11.5 | 36 | 256 qam | 12 |
13 | 235000000 | -11.7 | 36 | 256 qam | 13 |
14 | 243000000 | -12 | 36 | 256 qam | 14 |
15 | 251000000 | -12.2 | 36 | 256 qam | 15 |
16 | 259000000 | -12.2 | 36 | 256 qam | 16 |
17 | 267000000 | -12 | 36 | 256 qam | 17 |
18 | 275000000 | -12 | 36 | 256 qam | 18 |
19 | 283000000 | -12 | 36 | 256 qam | 19 |
20 | 291000000 | -12 | 36 | 256 qam | 20 |
21 | 299000000 | -12 | 35 | 256 qam | 21 |
22 | 307000000 | -12 | 36 | 256 qam | 22 |
23 | 315000000 | -12 | 35 | 256 qam | 23 |
24 | 323000000 | -12 | 35 | 256 qam | 24 |
Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 35.7 | 850 | 0 |
2 | Locked | 36.3 | 719 | 0 |
3 | Locked | 36.6 | 270 | 0 |
4 | Locked | 36.6 | 175 | 0 |
5 | Locked | 36.3 | 198 | 0 |
6 | Locked | 36.3 | 177 | 0 |
7 | Locked | 36.6 | 131 | 0 |
8 | Locked | 36.6 | 55 | 0 |
9 | Locked | 36.3 | 120 | 0 |
10 | Locked | 36.3 | 105 | 0 |
11 | Locked | 36.6 | 116 | 0 |
12 | Locked | 36.3 | 352 | 0 |
13 | Locked | 36.6 | 222 | 0 |
14 | Locked | 36.3 | 384 | 0 |
15 | Locked | 36.6 | 505 | 0 |
16 | Locked | 36.3 | 593 | 0 |
17 | Locked | 36.3 | 518 | 0 |
18 | Locked | 36.6 | 304 | 0 |
19 | Locked | 36.3 | 186 | 0 |
20 | Locked | 36.3 | 602 | 0 |
21 | Locked | 35.7 | 1496 | 0 |
22 | Locked | 36.6 | 466 | 0 |
23 | Locked | 35.7 | 1102 | 0 |
24 | Locked | 35.7 | 1049 | 0 |
on 06-07-2021 15:39
Network Log
Time Priority Description
01/01/1970 00:01:36 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
03/07/2021 20:57:27 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
03/07/2021 20:57:27 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
02/07/2021 08:11:54 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
02/07/2021 01:17:14 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
29/06/2021 22:53:20 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
28/06/2021 13:17:14 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
25/06/2021 13:53:13 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
25/06/2021 12:31:8 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
21/06/2021 13:17:25 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
21/06/2021 01:03:20 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 04:37:15 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:34:1 | critical | Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:31:47 | Warning! | Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:31:42 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:31:41 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:31:41 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
18/06/2021 00:31:41 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
15/06/2021 17:55:31 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
15/06/2021 02:00:51 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
on 06-07-2021 15:40
General Configuration
Network access | Allowed |
Maximum Number of CPEs | 1 |
Baseline Privacy | Enabled |
DOCSIS Mode | Docsis30 |
Config file | cmreg-vmdg505-bbt060+voc-b.cm |
Primary Downstream Service Flow
SFID | 8178 |
Max Traffic Rate | 230000061 |
Max Traffic Burst | 42600 |
Min Traffic Rate | 0 |
Primary Upstream Service Flow
SFID | 8177 |
Max Traffic Rate | 22000061 |
Max Traffic Burst | 42600 |
Min Traffic Rate | 0 |
Max Concatenated Burst | 42600 |
Scheduling Type | BestEffort |
on 06-07-2021 15:40
BQM to follow in 24 hours.
HUGE THANKS for your help.
on 06-07-2021 15:44
on 07-07-2021 13:48
Thank you for suggestion. There's a lot to unplumb to get to the attenuator, so I'll provide the BQM in the first instance, and then hoping that VM engineer will intervene! Many thanks again, Will.
on 07-07-2021 13:52
BQM
on 07-07-2021 13:57