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SHub 3 / 200mb Broadband repeatedly dropping out
Hi,
Firstly thanks to all posters who have helped others with similar problems to mine. I am afraid that I have not been able to follow all the explanations, so am not sure if a problem like mine has already been answered.
Every few months, my internet has a few weeks of falling over multiple times every day. I keep trying to reboot the SHub and router, and sometimes this is enough to get it to reconnect for a few hours, then I get to do it all again.
I live in BR3 (London Borough of Bromley), and years ago was on NTL, transferred to Virgin. I then went to Sky for a few years and returned to Virgin perhaps 5 years ago. I think they just reused the old connection which might be relevant.
I have often had problems with the internet specifically. The TV and phone have been pretty reliable with just an odd evening when things have gone wrong, so I wonder if my wifi or internet is to blame. I purchased a BT Wholehome wifi setup to try and improve it, but I am still having problems.
The diagnostic info I have been able to gather is:
Cable Modem Status
Item Status Comments
Acquired Downstream Channel(Hz) 298750000 Locked
Ranged Upstream Channel(Hz) 35800000 Locked
Provisioning State Online
Downstream bonded channels
ChannelFrequency(Hz)Power (dBmV)SNR (dB)ModulationChannel ID
1 298750000 0 40.3 256 qam 21
2 2322750000 -0.9 40.3 256 qam 24
3 3314750000 -0.7 40.3 256 qam 23
4 4306750000 -0.5 40.3 256 qam 22
5 5290750000 0 40.3 256 qam 20
6 6282750000 -0.5 40.3 256 qam 19
7 7274750000 -0.7 40.3 256 qam 18
8 8266750000 -0.7 40.3 256 qam 17
9 9258750000 -0.5 40.9 256 qam 16
10 250750000 -0.5 40.3 256 qam 15
11 242750000 -0.5 40.3 256 qam 14
12 234750000 -0.7 40.9 256 qam 13
13 226750000 -0.5 40.3 256 qam 12
14 218750000 -0.2 40.3 256 qam 11
15 210750000 04 0.3 256 qam 10
16 202750000 04 0.9 256 qam 9
17 194750000 04 0.3 256 qam 8
18 186750000 -0.5 40.3 256 qam 7
19 178750000 -0.5 40.3 256 qam 6
20 170750000 -0.2 40.3 256 qam 5
21 162750000 -0.5 40.9 256 qam 4
22 154750000 -0.2 40.3 256 qam 3
23 146750000 -0.2 40.3 256 qam 2
24 138750000 -0.5 38.9 256 qam 1
Upstream bonded channels
Channel ID Frequency(Hz) Mode Power
(dBmV) Modulation Channel Bandwidth(Hz) Symbol Rate (ksps)
2 35800000 ATDMA 40.8 64 qam 6400000 5120
4 53700000 ATDMA 40.8 64 qam 6400000 5120
3 27400000 ATDMA 40.8 64 qam 6400000 5120
1 45800000 ATDMA 40.8 64 qam 6400000 5120
Operational Configuration
General Configuration Value
Network access Enabled
Maximum Number of CPEs 1
Baseline Privacy Enabled
Docsis Mode Docsis30
Config file wrkldJKDHSUBsgvca69834ncxv9873
Primary Downstream Service Flow
SFID1684 Max Traffic Rate230000000
Primary Upstream Service Flow
SFID1683 Max Traffic Rate12700000
Network Log
Date And Time Error Number Event Description
2018-06-20 20:30:14.0084020200Lost MDD Timeout;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-20 20:30:15.0084000700RCS Partial Service;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-20 20:30:38.0084020200Lost MDD Timeout;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-20 20:30:41.0084000700RCS Partial Service;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-21 11:19:38.0082000200No Ranging Response received - T3 time-out;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:44:48.0084000700RCS Partial Service;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:45:02.0084020200Lost MDD Timeout;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:45:02.0084000700RCS Partial Service;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:45:10.0084020200Lost MDD Timeout;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:45:25.0084000700RCS Partial Service;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:45:34.0084020200Lost MDD Timeout;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:45:46.0084000700RCS Partial Service;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:46:32.0084020200Lost MDD Timeout;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:46:33.0084000700RCS Partial Service;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:46:40.0084020200Lost MDD Timeout;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:46:41.0084000700RCS Partial Service;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:46:48.0084020200Lost MDD Timeout;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:46:50.0084000700RCS Partial Service;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:48:48.0084020200Lost MDD Timeout;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
2018-06-25 20:48:49.0084000700RCS Partial Service;CM-MAC=40:0d:10:91:4d:43;CMTS-MAC=00:a2:89:26:39:cb;CM-QOS=1.1;CM-VER=3.0;
Any help/pointers will be very much appreciated.
Many thanks,
Steve
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