on 11-10-2021 11:25
After all the planned works in the area and you sending a note of being so very helpful in adjusting my settings on the router 'to make it faster'... I'm now getting very slow speeds!
No changes my side so must be down to whatever VM have done.
Have tried to follow advice on c/p the downstream/upstream and network logs but it gives me an error on exceeding 20k characters
on 11-10-2021 16:14
on 12-10-2021 08:52
Speed has come back up today so will keep watch on it. Thanks for the tip on splitting the posts. Can't believe I didn't think of that, doh!
on 14-10-2021 10:12
Hello @Loofah,
Welcome to the community, thanks for posting.
I am sorry for your slow speeds recently.
I can see that your speeds have come back from the help of @jbrennand.
Please do let us know if you need further help.
Many thanks,
New around here? To find out more about the Community check out our Getting Started guide
on 14-10-2021 17:44
more issues today.
Downstream
Downstream bonded channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 | 203000000 | 2.9 | 36 | 256 qam | 9 |
2 | 211000000 | 2.5 | 36 | 256 qam | 10 |
3 | 219000000 | 2.2 | 36 | 256 qam | 11 |
4 | 227000000 | 1.9 | 36 | 256 qam | 12 |
5 | 235000000 | 1.7 | 36 | 256 qam | 13 |
6 | 243000000 | 1.7 | 37 | 256 qam | 14 |
7 | 251000000 | 1.7 | 37 | 256 qam | 15 |
8 | 259000000 | 1.5 | 37 | 256 qam | 16 |
9 | 267000000 | 1.5 | 37 | 256 qam | 17 |
10 | 275000000 | 1.4 | 37 | 256 qam | 18 |
11 | 283000000 | 1.7 | 37 | 256 qam | 19 |
12 | 291000000 | 1.7 | 37 | 256 qam | 20 |
13 | 299000000 | 1.9 | 37 | 256 qam | 21 |
14 | 307000000 | 1.7 | 37 | 256 qam | 22 |
15 | 315000000 | 1.5 | 36 | 256 qam | 23 |
16 | 323000000 | 2 | 36 | 256 qam | 24 |
17 | 331000000 | 1.7 | 36 | 256 qam | 25 |
18 | 371000000 | 1 | 36 | 256 qam | 26 |
19 | 379000000 | 0.7 | 36 | 256 qam | 27 |
20 | 387000000 | 0.5 | 36 | 256 qam | 28 |
21 | 395000000 | 0.4 | 36 | 256 qam | 29 |
22 | 403000000 | 0 | 36 | 256 qam | 30 |
23 | 411000000 | 0 | 36 | 256 qam | 31 |
24 | 419000000 | 0 | 36 | 256 qam | 32 |
on 14-10-2021 17:45
Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 | Locked | 36.6 | 480 | 364 |
2 | Locked | 36.3 | 324 | 362 |
3 | Locked | 36.6 | 268 | 387 |
4 | Locked | 36.3 | 264 | 367 |
5 | Locked | 36.6 | 281 | 373 |
6 | Locked | 37.6 | 284 | 1516 |
7 | Locked | 37.3 | 279 | 373 |
8 | Locked | 37.3 | 273 | 367 |
9 | Locked | 37.3 | 291 | 367 |
10 | Locked | 37.3 | 260 | 369 |
11 | Locked | 37.3 | 258 | 378 |
12 | Locked | 37.3 | 325 | 485 |
13 | Locked | 37.3 | 242 | 472 |
14 | Locked | 37.3 | 269 | 366 |
15 | Locked | 36.6 | 319 | 375 |
16 | Locked | 36.6 | 259 | 1760 |
17 | Locked | 36.6 | 235 | 405 |
18 | Locked | 36.6 | 267 | 368 |
19 | Locked | 36.6 | 307 | 479 |
20 | Locked | 36.6 | 423 | 385 |
21 | Locked | 36.6 | 357 | 376 |
22 | Locked | 36.6 | 374 | 1742 |
23 | Locked | 36.3 | 494 | 499 |
24 | Locked | 36.6 | 402 | 388 |
on 14-10-2021 17:47
Upstream bonded channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 46201435 | 40.7 | 5120 | 16 qam | 9 |
2 | 39399329 | 40.7 | 5120 | 16 qam | 10 |
3 | 25799959 | 40.2 | 5120 | 16 qam | 12 |
4 | 32601105 | 40.2 | 5120 | 16 qam | 11 |
Upstream bonded channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 | ATDMA | 0 | 0 | 7 | 0 |
2 | ATDMA | 0 | 0 | 14 | 0 |
3 | ATDMA | 0 | 0 | 5 | 0 |
4 | ATDMA | 0 | 0 | 5 | 0 |
on 14-10-2021 17:47
Network Log
Time Priority Description
14/10/2021 10:49:44 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
13/10/2021 23:20:35 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
13/10/2021 01:58:22 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
12/10/2021 00:06:41 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
11/10/2021 10:56:3 | notice | LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
11/10/2021 10:55:45 | Warning! | LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
10/10/2021 06:56:8 | critical | No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
09/10/2021 21:08:28 | Error | DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:50:6 | Warning! | Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:50:6 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:50:6 | Warning! | Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:50:6 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:50:6 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:50:1 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:50:1 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:50:0 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:50:0 | critical | SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:49:58 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:49:6 | Warning! | Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
07/10/2021 13:49:0 | Warning! | RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0; |
on 17-10-2021 09:12
Hi Loofah,
Our apologies you're still having issues. I have been able to locate your account and checked your levels and everything seems to be working fine.
Can you confirm if you're experiencing this issue?
^Martin
on 17-10-2021 09:47
I suppose if there's been an area fault things could have improved, but levels weren't fine on Thursday, since the upstream had dropped modulation on all channels to 16 QAM, there were multiple T3 timeouts on the upstream, the network log was showing repeated channel loss and re-registration entries, and the downstream was riddled with post-RS (uncorrectable) errors affecting all channels. All of those indicate that there's a wideband noise problem that affects the DOCSIS connection.