on 15-08-2020 15:30
Hi
I'm checking my Superhub 2ac network log and I have a lot of T3 timeouts as shown below. Frequently, my Superhub seems to be restarting by itself and has been dropping connections too. Any reasons as to why this may be happening?
Network Log
First Time | Last Time | Priority | Error Number | Description |
15/08/2020 14:07:00 GMT | 15/08/2020 14:07:00 GMT | Warning (5) | 66050310 | Auth Success - Web login successful. |
15/08/2020 14:06:54 GMT | 15/08/2020 14:06:54 GMT | Error (4) | 68010302 | DHCP WAN IP - **.**.***.*** |
15/08/2020 14:05:51 GMT | 15/08/2020 14:05:51 GMT | Error (4) | 68000407 | TOD established |
Time Not Established | Time Not Established | Critical (3) | 82000200 | No Ranging Response received - T3 time-out |
Time Not Established | Time Not Established | Notice (6) | 84000510 | Downstream Locked Successfully |
15/08/2020 13:52:42 GMT | 15/08/2020 13:52:42 GMT | Warning (5) | 66050310 | Auth Success - Web login successful. |
14/08/2020 17:10:26 GMT | 14/08/2020 17:10:26 GMT | Warning (5) | 66050310 | Auth Success - Web login successful. |
13/08/2020 01:18:34 GMT | 13/08/2020 01:18:34 GMT | Error (4) | 68010302 | DHCP WAN IP - **.***.***.*** |
13/08/2020 01:17:48 GMT | 13/08/2020 01:17:48 GMT | Error (4) | 68000407 | TOD established |
13/08/2020 01:17:38 GMT | 13/08/2020 01:17:38 GMT | Notice (6) | 84000510 | Downstream Locked Successfully |
13/08/2020 01:17:32 GMT | 13/08/2020 01:17:32 GMT | Critical (3) | 82000200 | No Ranging Response received - T3 time-out |
13/08/2020 01:17:32 GMT | 13/08/2020 01:17:32 GMT | Critical (3) | 82000200 | No Ranging Response received - T3 time-out |
13/08/2020 01:17:32 GMT | 13/08/2020 01:17:32 GMT | Critical (3) | 82000200 | No Ranging Response received - T3 time-out |
13/08/2020 01:17:32 GMT | 13/08/2020 01:17:32 GMT | Critical (3) | 82000200 | No Ranging Response received - T3 time-out |
13/08/2020 01:17:31 GMT | 13/08/2020 01:17:31 GMT | Critical (3) | 82000700 | Unicast Ranging Received Abort Response - initializing MAC |
13/08/2020 01:17:31 GMT | 13/08/2020 01:17:31 GMT | Critical (3) | 82000700 | Unicast Ranging Received Abort Response - initializing MAC |
13/08/2020 01:17:31 GMT | 13/08/2020 01:17:31 GMT | Critical (3) | 82000700 | Unicast Ranging Received Abort Response - initializing MAC |
13/08/2020 01:17:31 GMT | 13/08/2020 01:17:31 GMT | Critical (3) | 82000700 | Unicast Ranging Received Abort Response - initializing MAC |
13/08/2020 01:17:13 GMT | 13/08/2020 01:17:13 GMT | Critical (3) | 82000200 | No Ranging Response received - T3 time-out |
13/08/2020 01:16:49 GMT | 13/08/2020 01:16:49 GMT | Critical (3) | 82000200 | No Ranging Response received - T3 time-out |
Downstream DS-1 DS-2 DS-3 DS-4 DS-5 DS-6 DS-7 DS-8
Frequency (Hz) | 139000000 | 147000000 | 155000000 | 163000000 | 171000000 | 179000000 | 187000000 | 195000000 |
Lock Status(QAM Lock/FEC Sync/MPEG Lock) | Locked | Locked | Locked | Locked | Locked | Locked | Locked | Locked |
Channel ID | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Modulation | 256QAM | 256QAM | 256QAM | 256QAM | 256QAM | 256QAM | 256QAM | 256QAM |
Symbol Rate (Msym/sec) | 6.952000 | 6.952000 | 6.952000 | 6.952000 | 6.952000 | 6.952000 | 6.952000 | 6.952000 |
Interleave Depth | I=12 J=17 | I=12 J=17 | I=12 J=17 | I=12 J=17 | I=12 J=17 | I=12 J=17 | I=12 J=17 | I=12 J=17 |
Power Level (dBmV) | -0.32 | -0.76 | -1.18 | -1.79 | -2.13 | -2.51 | -2.90 | -3.00 |
RxMER (dB) | 37.09 | 37.36 | 37.64 | 37.94 | 38.26 | 37.94 | 37.94 | 37.94 |
Pre RS Errors | 449 | 387 | 292 | 301 | 292 | 866 | 302 | 299 |
Post RS Errors | 287 | 291 | 279 | 297 | 289 | 866 | 302 | 299 |
Upstream US-1 US-2 US-3 US-4
Channel Type | 2.0 | 2.0 | 2.0 | 2.0 |
Channel ID | 8 | 6 | 5 | 7 |
Frequency (Hz) | 39400000 | 53700000 | 60300000 | 46200000 |
Ranging Status | Success | Success | Success | Success |
Modulation | 32QAM | 64QAM | 64QAM | 64QAM |
Symbol Rate (Sym/sec) | 5120000 | 5120000 | 5120000 | 5120000 |
Mini-Slot Size | 2 | 2 | 2 | 2 |
Power Level (dBmV) | 51.00 | 51.00 | 51.00 | 51.00 |
T1 Timeouts | 0 | 0 | 0 | 0 |
T2 Timeouts | 0 | 0 | 0 | 0 |
T3 Timeouts | 1 | 0 | 0 | 0 |
T4 Timeouts | 0 | 0 | 0 | 0 |
Upstream Burst Req(1) Init Maint(3) Per Maint(4) Adv Short(9) Adv Long(10) Adv UGS(11)
Modulation Type | 16QAM | QPSK | 16QAM | 32QAM | 32QAM | 16QAM |
Differential Encoding | OFF | OFF | OFF | OFF | OFF | OFF |
Preamble Length | 56 | 640 | 384 | 104 | 104 | 104 |
Preamble Value Offset | 652 | 0 | 0 | 716 | 716 | 716 |
FEC Error Correction (T) | 0 | 5 | 5 | 8 | 13 | 5 |
FEC Codeword Information Bytes (K) | 16 | 34 | 34 | 114 | 220 | 86 |
Maximum Burst Size | 0 | 0 | 0 | 4 | 255 | 255 |
Guard Time Size | 8 | 48 | 48 | 8 | 8 | 8 |
Last Codeword Length | Fixed | Fixed | Fixed | Shortened | Shortened | Shortened |
Scrambler On/Off | ON | ON | ON | ON | ON | ON |
Answered! Go to Answer
26-08-2020 19:53 - edited 26-08-2020 19:54
post the levels from the new hub
log into hub3 - 192.168.0.1 [or 192.168.100.1 if in modem mode] - DON'T SIGN IN, click - click router status [centre of screen] - and post the downstream and upstream figures - to see those press on the grey buttons/boxes labelled - upstream - downstream
as said above the upstream was out of spec at 51 on the old hub - or was said to be in the past - they now seem to accept 52 but generally if you dont have problem - if its the same on the hub3 - it displays as 5.1 for 51 as theres bug in the reporting software i would push for a tech to reduce them
the wifi is about the same on the hub3 but only if you set it up - split the wifi bands and turn off smart wifi
on 26-08-2020 19:58
Downstream bonded channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 227000000 | -1.2 | 38 | 256 qam | 12 |
2 | 219000000 | -1.2 | 38 | 256 qam | 11 |
3 | 235000000 | -1.5 | 38 | 256 qam | 13 |
4 | 243000000 | -1.5 | 38 | 256 qam | 14 |
5 | 251000000 | -1.7 | 38 | 256 qam | 15 |
6 | 259000000 | -1.9 | 38 | 256 qam | 16 |
7 | 267000000 | -2 | 38 | 256 qam | 17 |
8 | 275000000 | -2.2 | 38 | 256 qam | 18 |
9 | 283000000 | -2 | 38 | 256 qam | 19 |
10 | 291000000 | -2.5 | 38 | 256 qam | 20 |
11 | 299000000 | -2.7 | 38 | 256 qam | 21 |
12 | 307000000 | -2 | 40 | 256 qam | 22 |
13 | 315000000 | -1.7 | 40 | 256 qam | 23 |
14 | 323000000 | -1.4 | 40 | 256 qam | 24 |
15 | 331000000 | -1.5 | 40 | 256 qam | 25 |
16 | 339000000 | -0.9 | 38 | 256 qam | 26 |
17 | 347000000 | -1.2 | 38 | 256 qam | 27 |
18 | 355000000 | -1.5 | 38 | 256 qam | 28 |
19 | 363000000 | -1.2 | 40 | 256 qam | 29 |
20 | 371000000 | -1.7 | 38 | 256 qam | 30 |
21 | 379000000 | -1.7 | 38 | 256 qam | 31 |
22 | 387000000 | -1.7 | 40 | 256 qam | 32 |
23 | 395000000 | -1.9 | 40 | 256 qam | 33 |
24 | 403000000 | -1.7 | 40 | 256 qam | 34 |
Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 38.9 | 473 | 63 |
2 | Locked | 38.9 | 36 | 52 |
3 | Locked | 38.9 | 1071 | 53 |
4 | Locked | 38.9 | 345 | 36 |
5 | Locked | 38.6 | 49 | 36 |
6 | Locked | 38.9 | 142276787 | 37 |
7 | Locked | 38.6 | 64 | 36 |
8 | Locked | 38.6 | 70 | 115 |
9 | Locked | 38.9 | 67 | 136 |
10 | Locked | 38.6 | 150 | 39 |
11 | Locked | 38.6 | 89 | 114 |
12 | Locked | 40.3 | 60 | 42 |
13 | Locked | 40.3 | 64 | 45 |
14 | Locked | 40.3 | 60 | 46 |
15 | Locked | 40.3 | 53 | 46 |
16 | Locked | 38.9 | 45 | 45 |
17 | Locked | 38.9 | 40 | 37 |
18 | Locked | 38.9 | 93 | 119 |
19 | Locked | 40.3 | 26 | 39 |
20 | Locked | 38.6 | 70 | 49 |
21 | Locked | 38.9 | 59 | 64 |
22 | Locked | 40.3 | 38 | 66 |
23 | Locked | 40.9 | 48 | 38 |
24 | Locked | 40.9 | 46 | 52 |
Upstream bonded channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 53700143 | 5.1 | 5120 | 64 qam | 6 |
2 | 60300213 | 5.1 | 5120 | 64 qam | 5 |
3 | 39400009 | 5.1 | 5120 | 64 qam | 8 |
4 | 46199891 | 5.1 | 5120 | 64 qam | 7 |
Upstream bonded channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 | ATDMA | 0 | 0 | 0 | 0 |
2 | ATDMA | 0 | 0 | 0 | 0 |
3 | ATDMA | 0 | 0 | 0 | 0 |
4 | ATDMA | 0 | 0 | 0 | 0 |
on 26-08-2020 22:39
not sure whats happening on channel 6 - something very odd there and the hub change has not helped the upstream levels - not that it would be expected to other than offshore saying it would - its too high imo but you need to get VM to agree and send a tech
on 26-08-2020 22:57
I definitely agree and think that an engineer should be sent out.
I'm no expert in this stuff, I don't even know what any of these numbers and values mean lol. But I checked channel 6 again and my Pre RS Errors count is 468923251 as of 10:56PM on the 26th August. I'm pretty sure that's bad
on 27-08-2020 07:53
reboot the hub - that will zero the error counts and then see what they are in a few hours and post back - make sure all the coax connections are tight
on 27-08-2020 21:37
I restarted my hub 3 at 7:21PM. The time is now 9:35PM as of copying and pasting the network log.
Downstream bonded channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 227000000 | -1 | 38 | 256 qam | 12 |
2 | 219000000 | -1 | 38 | 256 qam | 11 |
3 | 235000000 | -1.4 | 38 | 256 qam | 13 |
4 | 243000000 | -1.4 | 38 | 256 qam | 14 |
5 | 251000000 | -1.5 | 38 | 256 qam | 15 |
6 | 259000000 | -1.5 | 38 | 256 qam | 16 |
7 | 267000000 | -1.7 | 38 | 256 qam | 17 |
8 | 275000000 | -2 | 38 | 256 qam | 18 |
9 | 283000000 | -1.9 | 38 | 256 qam | 19 |
10 | 291000000 | -2.4 | 38 | 256 qam | 20 |
11 | 299000000 | -2.5 | 38 | 256 qam | 21 |
12 | 307000000 | -1.9 | 40 | 256 qam | 22 |
13 | 315000000 | -1.5 | 40 | 256 qam | 23 |
14 | 323000000 | -1.2 | 40 | 256 qam | 24 |
15 | 331000000 | -1.5 | 38 | 256 qam | 25 |
16 | 339000000 | -0.9 | 38 | 256 qam | 26 |
17 | 347000000 | -0.9 | 40 | 256 qam | 27 |
18 | 355000000 | -1.2 | 38 | 256 qam | 28 |
19 | 363000000 | -1 | 40 | 256 qam | 29 |
20 | 371000000 | -1.5 | 38 | 256 qam | 30 |
21 | 379000000 | -1.5 | 38 | 256 qam | 31 |
22 | 387000000 | -1.4 | 40 | 256 qam | 32 |
23 | 395000000 | -1.7 | 40 | 256 qam | 33 |
24 | 403000000 | -1.5 | 40 | 256 qam | 34 |
Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 38.9 | 245 | 0 |
2 | Locked | 38.9 | 10 | 0 |
3 | Locked | 38.9 | 395 | 0 |
4 | Locked | 38.9 | 78 | 0 |
5 | Locked | 38.9 | 5 | 0 |
6 | Locked | 38.9 | 237411557 | 0 |
7 | Locked | 38.9 | 8 | 0 |
8 | Locked | 38.9 | 0 | 0 |
9 | Locked | 38.9 | 0 | 0 |
10 | Locked | 38.6 | 16 | 0 |
11 | Locked | 38.6 | 5 | 0 |
12 | Locked | 40.3 | 5 | 0 |
13 | Locked | 40.3 | 7 | 0 |
14 | Locked | 40.3 | 5 | 0 |
15 | Locked | 38.9 | 1 | 0 |
16 | Locked | 38.9 | 5 | 0 |
17 | Locked | 40.3 | 5 | 0 |
18 | Locked | 38.9 | 1 | 0 |
19 | Locked | 40.3 | 0 | 0 |
20 | Locked | 38.9 | 8 | 0 |
21 | Locked | 38.9 | 8 | 0 |
22 | Locked | 40.3 | 6 | 0 |
23 | Locked | 40.3 | 4 | 0 |
24 | Locked | 40.3 | 7 | 0 |
27-08-2020 21:51 - edited 27-08-2020 21:52
Upstream power levels are very high as well (Still!).
Upstream bonded channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 53700143 | 5.1 | 5120 | 64 qam | 6 |
2 | 60300213 | 5.1 | 5120 | 64 qam | 5 |
3 | 39400009 | 5.1 | 5120 | 64 qam | 8 |
4 | 46199891 | 5.1 | 5120 | 64 qam | 7 |
on 27-08-2020 22:10
have flagged the thread !!
on 27-08-2020 22:20
Was just looking at my network logs and thought it might be worth uploading some more info:
Upstream bonded channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 53700083 | 5.1 | 5120 | 64 qam | 6 |
2 | 60299870 | 5.1 | 5120 | 64 qam | 5 |
3 | 46200246 | 5.1 | 5120 | 64 qam | 7 |
4 | 39400285 | 5.1 | 5120 | 64 qam | 8 |
Time Priority Description
01/01/1970 00:01:32 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
26/08/2020 23:25:5 | notice | LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
26/08/2020 22:54:55 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
Why do I have a T3 timeout at 01/01/1970???? lol
27-08-2020 22:26 - edited 27-08-2020 22:28
@meeeeehmet wrote:Was just looking at my network logs and thought it might be worth uploading some more info:
Upstream bonded channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 53700083 5.1 5120 64 qam 6 2 60299870 5.1 5120 64 qam 5 3 46200246 5.1 5120 64 qam 7 4 39400285 5.1 5120 64 qam 8
Time Priority Description
01/01/1970 00:01:32 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; 26/08/2020 23:25:5 notice LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; 26/08/2020 22:54:55 critical No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
Why do I have a T3 timeout at 01/01/1970???? lol
The HUB tries to synchronize its local time with a remote process. Sometimes it can't hence the 'odd' date & time.