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mmelbourne's avatar
mmelbourne
Dialled in
6 months ago

Packet loss affecting Upstream

Hi, Following a couple of recent total loss of service events, I am now seeing some packet loss at times, which is affecting upstream bandwidth. It correlates to Upstream channels operating at 16QAM...
mmelbourne's avatar
mmelbourne
Dialled in
6 months ago

From the BQM linked above, I am still seeing issues of reduced upstream bandwidth and occasional packet loss. I now have a high number of post-RS errors in the Downstream channels, but suspect this may well be due to transient spikes as they are not incrementing significantly. Are you able to see any issues?

Downstream bonded channels

Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID

11390000000.737256 qam1
22110000000.237256 qam10
3219000000036256 qam11
4227000000037256 qam12
5235000000-0.237256 qam13
6243000000-0.537256 qam14
7251000000-0.438256 qam15
8259000000-0.237256 qam16
9267000000037256 qam17
10275000000037256 qam18
112830000000.438256 qam19
122910000000.538256 qam20
13299000000137256 qam21
143070000001.238256 qam22
153150000001.438256 qam23
163230000001.538256 qam24
173310000001.738256 qam25
183390000001.538256 qam26
193470000001.538256 qam27
203550000001.438256 qam28
21363000000138256 qam29
223710000000.738256 qam30
233790000000.538256 qam31
243870000000.238256 qam32



Downstream bonded channels

Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors

1Locked37.610497686
2Locked37.39877606
3Locked36.69068722
4Locked37.38068630
5Locked37.69177421
6Locked37.616107083
7Locked38.69327414
8Locked37.614037203
9Locked37.68457400
10Locked37.69477385
11Locked38.61167594
12Locked38.68327100
13Locked37.68917150
14Locked38.98642166
15Locked38.98944682
16Locked38.68966334
17Locked38.68665385
18Locked38.68746247
19Locked38.910335086
20Locked38.699113314
21Locked38.6102813294
22Locked38.6100213233
23Locked38.698713585
24Locked38.6108313716

Upstream bonded channels

Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID

14960000046512064 qam1
22360078144.8512016 qam5
33010008745512016 qam4
43660000045.3512064 qam3
54310000045.8512064 qam2



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0020
2ATDMA0010
3ATDMA0000
4ATDMA0000
5ATDMA0010

Network Log

Time Priority Description

10/08/2024 06:12:45Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
10/08/2024 06:12:42Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
10/08/2024 06:12:37criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
10/08/2024 06:12:36Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
10/08/2024 06:12:36criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
09/08/2024 09:55:51ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
07/08/2024 08:21:16criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
06/08/2024 16:55:54ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/08/2024 17:31:18criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/08/2024 13:55:49ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/07/2024 13:14:3Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/07/2024 13:13:45Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/07/2024 13:13:40criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/07/2024 13:13:40Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/07/2024 13:13:40criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/07/2024 13:13:40Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/07/2024 13:12:21criticalStarted Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/07/2024 11:17:34criticalReceived 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;
29/07/2024 11:15:24Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/07/2024 11:15:19criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;