Hi there, I've had my 1GB Virgin Broadband for 11 months but for the past 3 weeks or so I've been experiencing a lot of buffering when watching livestreams (Twitch.tv) as well as disconnects from games while playing on PC or Xbox. I've had an engineer visit who came out, replaced a connector outside and left me to see if anything improved. It did not, so he came back with a replacement router. The router was set up with 2 x 4dB attenuators in the back. The problem was even worse than before. I removed those attenuators and it worked pretty much as normal for a few days but now the problem is the same as before. I tried putting both attenuators back, only trying one attenuator at a time. No improvement. What is the next move?

3.0 Downstream channelsChannel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID 133100000011.742QAM 25625213900000015.143QAM 2561314700000014.643QAM 2562415500000014.443QAM 2563516300000014.243QAM 2564617100000013.943QAM 2565717900000013.943QAM 2566818700000013.743QAM 2567919500000013.943QAM 25681020300000013.843QAM 25691121100000013.643QAM 256101221900000013.743QAM 256111322700000013.443QAM 256121423500000013.243QAM 256131524300000013.243QAM 256141625100000012.743QAM 256151725900000012.743QAM 256161826700000012.643QAM 256171927500000012.343QAM 256182028300000012.543QAM 256192129100000012.443QAM 256202229900000012.143QAM 256212330700000012.243QAM 256222431500000011.742QAM 256232532300000011.742QAM 256242633900000011.442QAM 256262734700000011.642QAM 256272835500000011.342QAM 256282936300000011.342QAM 256293037100000011.642QAM 256303137900000011.142QAM 256313.0 Downstream channelsChannel Locked Status RxMER (dB) Pre RS Errors Post RS Errors 1Locked42507517762Locked43410478390513Locked43304771526214Locked43290851657215Locked43190951543276Locked43416211619317Locked43354200578058Locked43333498386109Locked432900804463710Locked432874244690911Locked432852893498512Locked43967942728213Locked431016154123414Locked43724473177515Locked431133154528916Locked431368665183317Locked43985555623718Locked431310564688519Locked43944045434620Locked431141544391521Locked431053174984922Locked431533765520823Locked43820323887924Locked42547565537525Locked42616967292526Locked4211948911392327Locked421236356932828Locked421922376803529Locked421505575377330Locked421535055176931Locked42147197572453.1 Downstream channelsChannel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz) 49944K1840QAM 409611083.1 Downstream channelsChannel ID Locked Status RxMER Data (dB) PLC Power (dBmV) Corrected errors (Active Profile) Uncorrectable errors (Active Profile) 49Locked405.91048720062104188

3.0 Upstream channelsChannel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID 04960000036.55120QAM 64114310000036.35120QAM 642236600000365120QAM 64333010000035.85120QAM 64742360000035.55120QAM 6483.0 Upstream channelsChannel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts 0ATDMA00001ATDMA00002ATDMA00003ATDMA00004ATDMA00003.1 Upstream channelsChannel Channel Width (MHz) Power (dBmV) FFT Type Modulation 1110.431.52KQAM 2563.1 Upstream channelsChannel Channel Type Number of Active Subcarriers First Active Subcarrier (Hz) T3 Timeouts T4 Timeouts 11OFDMA2087400000010

Network LogTime Priority Description 17-05-2024 12:11:53noticeGUI Login Status - Login Fail from LAN interface16-05-2024 18:33:12noticeGUI Login Status - Login Success from LAN interface16-05-2024 18:31:47noticeGUI Login Status - Login Fail from LAN interface16-05-2024 18:04:51warningRNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:47:33noticeCM-STATUS message sent. Event Type Code: 24; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:45:36noticeCM-STATUS message sent. Event Type Code: 24; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:43:45noticeCM-STATUS message sent. Event Type Code: 22; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:59noticeCM-STATUS message sent. Event Type Code: 4; Chan ID: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.116-05-2024 17:41:59noticeCM-STATUS message sent. Event Type Code: 5; Chan ID: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM16-05-2024 17:41:54noticeCM-STATUS message sent. Event Type Code: 20; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:46noticeCM-STATUS message sent. Event Type Code: 16; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:46noticeCM-STATUS message sent. Event Type Code: 4; Chan ID: 2 3 5 7 8 10 11 12 13 14 15 17 18 19 20 21 22 23 26 29 30 31 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:42noticeCM-STATUS message sent. Event Type Code: 23; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:36warningRCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:30warningMDD message timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:24criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:09warningMDD message timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:07criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:06criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:06warningRCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:41:03criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:40:49criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:40:48warningMDD message timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:40:43criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:40:42warningMDD message timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:40:39criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:40:33noticeCM-STATUS message sent. Event Type Code: 16; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2 3.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:40:30warningMDD message timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:38:09noticeCM-STATUS message sent. Event Type Code: 24; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:36:14noticeCM-STATUS message sent. Event Type Code: 22; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:34:20noticeCM-STATUS message sent. Event Type Code: 4; Chan ID: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.116-05-2024 17:34:15noticeCM-STATUS message sent. Event Type Code: 20; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:34:11noticeCM-STATUS message sent. Event Type Code: 16; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:34:03noticeCM-STATUS message sent. Event Type Code: 23; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;16-05-2024 17:34:03noticeCM-STATUS message sent. Event Type Code: 5; Chan ID: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM

Thanks for your posts on our Community Forums DrKnavery, and a very warm welcome to you! Sorry to hear of the issues you've been experiencing. I've been able to look into your local area but there doesn't appear to be an issues flagging. With this, a flow has been ran on the hub and no issues have been revealed. Can you please provide an updated BQM link and/or screenshot so we can see how things have been since your most recent post? Thanks, David_Bn

Livestream buffering and disconnects while gaming. | Virgin Media Community

DrKnavery

Joining in

8 months ago

3.0 Downstream channels

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

1	331000000	11.7	42	QAM 256	25
2	139000000	15.1	43	QAM 256	1
3	147000000	14.6	43	QAM 256	2
4	155000000	14.4	43	QAM 256	3
5	163000000	14.2	43	QAM 256	4
6	171000000	13.9	43	QAM 256	5
7	179000000	13.9	43	QAM 256	6
8	187000000	13.7	43	QAM 256	7
9	195000000	13.9	43	QAM 256	8
10	203000000	13.8	43	QAM 256	9
11	211000000	13.6	43	QAM 256	10
12	219000000	13.7	43	QAM 256	11
13	227000000	13.4	43	QAM 256	12
14	235000000	13.2	43	QAM 256	13
15	243000000	13.2	43	QAM 256	14
16	251000000	12.7	43	QAM 256	15
17	259000000	12.7	43	QAM 256	16
18	267000000	12.6	43	QAM 256	17
19	275000000	12.3	43	QAM 256	18
20	283000000	12.5	43	QAM 256	19
21	291000000	12.4	43	QAM 256	20
22	299000000	12.1	43	QAM 256	21
23	307000000	12.2	43	QAM 256	22
24	315000000	11.7	42	QAM 256	23
25	323000000	11.7	42	QAM 256	24
26	339000000	11.4	42	QAM 256	26
27	347000000	11.6	42	QAM 256	27
28	355000000	11.3	42	QAM 256	28
29	363000000	11.3	42	QAM 256	29
30	371000000	11.6	42	QAM 256	30
31	379000000	11.1	42	QAM 256	31

3.0 Downstream channels

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

1	Locked	42	5075	1776
2	Locked	43	410478	39051
3	Locked	43	304771	52621
4	Locked	43	290851	65721
5	Locked	43	190951	54327
6	Locked	43	416211	61931
7	Locked	43	354200	57805
8	Locked	43	333498	38610
9	Locked	43	290080	44637
10	Locked	43	287424	46909
11	Locked	43	285289	34985
12	Locked	43	96794	27282
13	Locked	43	101615	41234
14	Locked	43	72447	31775
15	Locked	43	113315	45289
16	Locked	43	136866	51833
17	Locked	43	98555	56237
18	Locked	43	131056	46885
19	Locked	43	94404	54346
20	Locked	43	114154	43915
21	Locked	43	105317	49849
22	Locked	43	153376	55208
23	Locked	43	82032	38879
24	Locked	42	54756	55375
25	Locked	42	61696	72925
26	Locked	42	119489	113923
27	Locked	42	123635	69328
28	Locked	42	192237	68035
29	Locked	42	150557	53773
30	Locked	42	153505	51769
31	Locked	42	147197	57245

3.1 Downstream channels

Channel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)

1840

QAM 4096

1108

3.1 Downstream channels

Channel ID Locked Status RxMER Data (dB) PLC Power (dBmV) Corrected errors (Active Profile) Uncorrectable errors (Active Profile)

Locked

5.9

1048720062

104188

DrKnavery
Joining in
8 months ago
3.0 Upstream channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
0 49600000 36.5 5120 QAM 64 1
1 43100000 36.3 5120 QAM 64 2
2 36600000 36 5120 QAM 64 3
3 30100000 35.8 5120 QAM 64 7
4 23600000 35.5 5120 QAM 64 8
3.0 Upstream channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
0 ATDMA 0 0 0 0
1 ATDMA 0 0 0 0
2 ATDMA 0 0 0 0
3 ATDMA 0 0 0 0
4 ATDMA 0 0 0 0
3.1 Upstream channels
Channel Channel Width (MHz) Power (dBmV) FFT Type Modulation
11 10.4 31.5 2K QAM 256
3.1 Upstream channels
Channel Channel Type Number of Active Subcarriers First Active Subcarrier (Hz) T3 Timeouts T4 Timeouts
11 OFDMA 208 74000000 1 0

DrKnavery

Joining in

8 months ago

Network Log

Time Priority Description

17-05-2024 12:11:53	notice	GUI Login Status - Login Fail from LAN interface
16-05-2024 18:33:12	notice	GUI Login Status - Login Success from LAN interface
16-05-2024 18:31:47	notice	GUI Login Status - Login Fail from LAN interface
16-05-2024 18:04:51	warning	RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:47:33	notice	CM-STATUS message sent. Event Type Code: 24; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:45:36	notice	CM-STATUS message sent. Event Type Code: 24; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:43:45	notice	CM-STATUS message sent. Event Type Code: 22; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:59	notice	CM-STATUS message sent. Event Type Code: 4; Chan ID: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1
16-05-2024 17:41:59	notice	CM-STATUS message sent. Event Type Code: 5; Chan ID: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM
16-05-2024 17:41:54	notice	CM-STATUS message sent. Event Type Code: 20; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:46	notice	CM-STATUS message sent. Event Type Code: 16; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:46	notice	CM-STATUS message sent. Event Type Code: 4; Chan ID: 2 3 5 7 8 10 11 12 13 14 15 17 18 19 20 21 22 23 26 29 30 31 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:42	notice	CM-STATUS message sent. Event Type Code: 23; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:36	warning	RCS Partial Service;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:30	warning	MDD message timeout;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:24	critical	SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:09	warning	MDD message timeout;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:07	critical	No Ranging Response received - T3 time-out;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:06	critical	SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:06	warning	RCS Partial Service;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:41:03	critical	SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:40:49	critical	SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:40:48	warning	MDD message timeout;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:40:43	critical	SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:40:42	warning	MDD message timeout;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:40:39	critical	SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:40:33	notice	CM-STATUS message sent. Event Type Code: 16; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2 3.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:40:30	warning	MDD message timeout;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:38:09	notice	CM-STATUS message sent. Event Type Code: 24; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:36:14	notice	CM-STATUS message sent. Event Type Code: 22; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:34:20	notice	CM-STATUS message sent. Event Type Code: 4; Chan ID: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1
16-05-2024 17:34:15	notice	CM-STATUS message sent. Event Type Code: 20; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:34:11	notice	CM-STATUS message sent. Event Type Code: 16; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:34:03	notice	CM-STATUS message sent. Event Type Code: 23; Chan ID: 49; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM-VER=3.1;
16-05-2024 17:34:03	notice	CM-STATUS message sent. Event Type Code: 5; Chan ID: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=:::::;CMTS-MAC=:::::;CM-QOS=1.1;CM

DrKnavery
Joining in
8 months ago
- David_Bn
  Forum Team
  8 months ago
  Thanks for your posts on our Community Forums DrKnavery, and a very warm welcome to you!
  
  Sorry to hear of the issues you've been experiencing.
  
  I've been able to look into your local area but there doesn't appear to be an issues flagging.
  
  With this, a flow has been ran on the hub and no issues have been revealed.
  
  Can you please provide an updated BQM link and/or screenshot so we can see how things have been since your most recent post?
  
  Thanks,
  
  David_Bn
  - Cardiffman282
    Trouble shooter
    8 months ago
    Purely on the data posted in the thread the downstream power levels are all far too high and there are tens of thousands of Post RS errors and uncorrectable errors. A 10 dB attenuator would seem to be in order here.
legacy1
Alessandro Volta
8 months ago
Just another upstream problem that VM would not like to fix because next day it might be fine instead of fixing the issue.
jpeg1
Alessandro Volta
8 months ago
Those attenuators need to stay in. Do a reset on the Hub and see if the RS errors return. If so there is very likely a cable problem somewhere between the Hub and the street cabinet.
The BQM shows there is a degree of contention on the network which you might be stuck with.

DrKnavery

Joining in

8 months ago

Here are stats since Saturday morning.

3.0 Downstream channels

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

1	331000000	7	42	QAM 256	25
2	259000000	7.1	43	QAM 256	16
3	267000000	7.2	43	QAM 256	17
4	275000000	7.1	43	QAM 256	18
5	283000000	7.3	43	QAM 256	19
6	291000000	7.3	43	QAM 256	20
7	299000000	7.1	43	QAM 256	21
8	307000000	7.2	42	QAM 256	22
9	315000000	7	42	QAM 256	23
10	323000000	6.9	42	QAM 256	24
11	339000000	7	42	QAM 256	26
12	347000000	7	42	QAM 256	27
13	355000000	7	42	QAM 256	28
14	363000000	7	43	QAM 256	29
15	371000000	7.2	43	QAM 256	30
16	379000000	7	42	QAM 256	31
17	387000000	6.9	42	QAM 256	32
18	395000000	6.9	42	QAM 256	33
19	403000000	6.8	42	QAM 256	34
20	411000000	6.8	42	QAM 256	35
21	419000000	6.7	42	QAM 256	36
22	427000000	6.4	42	QAM 256	37
23	435000000	6.3	42	QAM 256	38
24	443000000	6.2	42	QAM 256	39
25	451000000	6.4	42	QAM 256	40
26	459000000	6.5	42	QAM 256	41
27	467000000	6.3	42	QAM 256	42
28	475000000	6.3	42	QAM 256	43
29	483000000	6.2	42	QAM 256	44
30	491000000	6.2	42	QAM 256	45
31	499000000	6.4	42	QAM 256	46

3.0 Downstream channels

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

1	Locked	42	26
2	Locked	43	17
3	Locked	43	14
4	Locked	43	22
5	Locked	43	17
6	Locked	43	13
7	Locked	43	12
8	Locked	42	24
9	Locked	42	32
10	Locked	42	21
11	Locked	42	16
12	Locked	42	9
13	Locked	42	13
14	Locked	43	18
15	Locked	43	14
16	Locked	42	23
17	Locked	42	12
18	Locked	42	19
19	Locked	42	30
20	Locked	42	23
21	Locked	42	18
22	Locked	42	20
23	Locked	42	15
24	Locked	42	19
25	Locked	42	22
26	Locked	42	19
27	Locked	42	27
28	Locked	42	22
29	Locked	42	24
30	Locked	42	22
31	Locked	42	13

3.1 Downstream channels

Channel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)

1840

QAM 4096

1108

3.1 Downstream channels

Channel ID Locked Status RxMER Data (dB) PLC Power (dBmV) Corrected errors (Active Profile) Uncorrectable errors (Active Profile)

Locked

4.7

3622467198

DrKnavery
Joining in
8 months ago
I would add the upstream and log but it has taken 5 minutes to post just that message.
- Martin_N
  Forum Team
  8 months ago
  Thank you for that information DrKnavery. We can certainly take a further look into this.
  
  I will private message you now to confirm your details.
  
  ^Martin

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0	49600000	36.5	5120	QAM 64	1
1	43100000	36.3	5120	QAM 64	2
2	36600000	36	5120	QAM 64	3
3	30100000	35.8	5120	QAM 64	7
4	23600000	35.5	5120	QAM 64	8

0	ATDMA	0	0	0	0
1	ATDMA	0	0	0	0
2	ATDMA	0	0	0	0
3	ATDMA	0	0	0	0
4	ATDMA	0	0	0	0