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ClMcGee
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RCS Partial Service/No Ranging Response received

Hello there. For the last month we are experiencing broadband outages and drops everyday.
Usually while checking Hub logs quickly I can notice a clear connection between Downstream Channels power drops and RCS errors appearing, however signal then gets back to normal until next outage. We've already had 3 engineer visits (last one yesterday, 4-7pm, said it was fine).
And after the last guy left we've experienced outage again around 10pm.
Outages are not so long, but extremely annoying because they are enough to disconnect everything.

BQM link: 

BQM 

Last outages happened just an hour and 30 minutes ago.



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jbrennand
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Re: RCS Partial Service/No Ranging Response received

Post up the Hub data as per this...
______________________________

In your browser’s URL box type in http://192.168.0.1 (or http://192.168.100.1 - if in modem mode) (DONT click these links) - and hit return. On the first page up dont login (unless you have the Hub4/5 - when you do login) just click on the “router status” icon/text at bottom-middle (Hub3/4) or top/right (SH’s) of the Login page and then Navigate to these “pages” and just copy/paste the normal “Formatted Text” (not images) 3 FULL sets of data onto here – 2 tables from the Downstream, 2 from the Upstream, & the Network Logs page. Don't worry too much about the formatting it can be easily read & DON’T include personal data or MAC addresses - blank them out - if you copy/paste the data, the board software will do this for you (you may need to click the "submit" button again. If character limits are “exceeded” - just do two posts

--------------------
John
--------------------

I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.
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ClMcGee
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Re: RCS Partial Service/No Ranging Response received

Downstream bonded channels

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

13870000005.337256 qam32
22030000005.336256 qam9
3211000000535256 qam10
42190000005.436256 qam11
52270000005.436256 qam12
62350000005.136256 qam13
72430000004.836256 qam14
82510000004.836256 qam15
9259000000536256 qam16
102670000005.536256 qam17
11275000000536256 qam18
12283000000537256 qam19
132910000005.437256 qam20
14299000000637256 qam21
15307000000637256 qam22
163150000005.937256 qam23
173230000005.937256 qam24
18331000000637256 qam25
193390000006.137256 qam26
203470000005.937256 qam27
213550000005.537256 qam28
223630000005.437256 qam29
233710000005.537256 qam30
243790000005.537256 qam31



Downstream bonded channels

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

1Locked37.311472658
2Locked36.337142936
3Locked35.740672756
4Locked36.331932803
5Locked36.628482641
6Locked36.627652493
7Locked36.325242533
8Locked36.624582529
9Locked36.323142356
10Locked36.621042585
11Locked36.620122577
12Locked37.317422553
13Locked37.617072494
14Locked37.316192460
15Locked37.615392359
16Locked37.314622450
17Locked37.313462421
18Locked37.613242297
19Locked37.612842653
20Locked37.612572533
21Locked37.612032574
22Locked37.312632689
23Locked37.612172373
24Locked37.311642396

 

Upstream bonded channels

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

14620000038.5512064 qam3
23260000037.5512064 qam5
33940000038.5512064 qam4
45370000039512064 qam2



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0000
2ATDMA0060
3ATDMA0080
4ATDMA0030
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ClMcGee
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Message 4 of 61
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Re: RCS Partial Service/No Ranging Response received

Network Log

Time Priority Description

26/05/2022 14:21:55criticalNo Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
26/05/2022 11:07:20Warning!RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
26/05/2022 11:05:14criticalNo Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
26/05/2022 11:05:14Warning!RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
26/05/2022 02:05:26criticalNo Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
26/05/2022 02:05:26Warning!RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
26/05/2022 01:09:12criticalNo Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
25/05/2022 22:50:0Warning!RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
25/05/2022 17:39:34criticalNo Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
25/05/2022 16:00:9noticeLAN login Success;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
25/05/2022 13:57:1Warning!RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
25/05/2022 13:55:58criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=X;CMTS-MAC=XCM-QOS=1.1;CM-VER=3.0;
25/05/2022 05:51:56noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt062-b.cm modified;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
25/05/2022 05:51:56ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
24/05/2022 23:30:59criticalNo Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
24/05/2022 16:13:23Warning!RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
24/05/2022 11:01:50criticalNo Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
24/05/2022 10:58:24Warning!RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
24/05/2022 10:57:51criticalNo Ranging Response received - T3 time-out;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
24/05/2022 09:59:35Warning!RCS Partial Service;CM-MAC=X;CMTS-MAC=X;CM-QOS=1.1;CM-VER=3.0;
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jbrennand
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Message 5 of 61
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Re: RCS Partial Service/No Ranging Response received

OK but can we start from a clean sheet by doing this.
__________________________________________

Switch the Hub off and unplug it from the mains supply for five minutes. Whilst it's off, do a quick check that all of your coax and ethernet cable connections are in nice and "finger" tight - at the Hub and wall box and also at any connectors etc. Ensure there are no “unterminated cable loose ends. Disconnect all the connections and reconnect to be sure. Also check that the internal wiring is ok with no kinking or chaffing, check that all looks good with the outside cabling and wall box (no “staples, etc.,) piercing the cables. Then switch the Hub back on and leave ~5 minutes

When all done, check back in the settings and ensure that the RS error counts and T3 errors have all reset to 0. Then check every hour or so to see if they start reappearing - they shouldn't. If they do (particularly the postRS and T3 ones) you have a problem (noise) that only a Tech visit will sort.

--------------------
John
--------------------

I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.
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ClMcGee
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Message 6 of 61
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Re: RCS Partial Service/No Ranging Response received

Ok, thanks for the guide, will do this right away.

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ClMcGee
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Re: RCS Partial Service/No Ranging Response received

Upstream bonded channels

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

14619999838.5512064 qam3
23259997438.5512064 qam5
33940001938.5512064 qam4
45370000438.5512064 qam2

 

just wanted to share that Power graph became suspiciously good after the reboot

also so far so good

Downstream bonded channels

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

1Locked37.600
2Locked36.370
3Locked35.740
4Locked36.350
5Locked36.640
6Locked36.340
7Locked36.650
8Locked36.300
9Locked36.300
10Locked36.650
11Locked36.300
12Locked37.300
13Locked37.360
14Locked37.350
15Locked37.640
16Locked37.650
17Locked37.600
18Locked37.650
19Locked37.650
20Locked37.650
21Locked37.600
22Locked37.600
23Locked37.640
24Locked37.350
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ClMcGee
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Message 8 of 61
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Re: RCS Partial Service/No Ranging Response received

So for now the issue seems to be gone, though I've noticed that latency spikes are now more frequent and higher overall.

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ClMcGee
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Message 9 of 61
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Re: RCS Partial Service/No Ranging Response received

Post RS is back the same day

Downstream bonded channels

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

13870000003.937256 qam32
22030000003.936256 qam9
32110000003.735256 qam10
4219000000436256 qam11
5227000000436256 qam12
62350000003.936256 qam13
72430000003.536256 qam14
82510000003.436256 qam15
92590000003.736256 qam16
102670000004.136256 qam17
112750000003.736256 qam18
122830000003.737256 qam19
13291000000437256 qam20
142990000004.637256 qam21
153070000004.637256 qam22
163150000004.537256 qam23
173230000004.537256 qam24
183310000004.637256 qam25
193390000004.937256 qam26
203470000004.637256 qam27
213550000004.137256 qam28
223630000004.137256 qam29
233710000004.337256 qam30
243790000004.337256 qam31



Downstream bonded channels

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

1Locked37.32227
2Locked36.37432
3Locked35.78630
4Locked36.35632
5Locked36.64937
6Locked36.65032
7Locked36.34235
8Locked36.63728
9Locked36.34333
10Locked36.64131
11Locked36.33937
12Locked37.33831
13Locked37.33228
14Locked37.33427
15Locked37.64025
16Locked37.33826
17Locked37.64424
18Locked37.34326
19Locked37.64225
20Locked37.64827
21Locked37.64829
22Locked37.64324
23Locked37.62925
24Locked37.62825
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ClMcGee
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Message 10 of 61
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Re: RCS Partial Service/No Ranging Response received

Upstream bonded channels

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

14619999840512064 qam3
23259997439512064 qam5
33940001939512064 qam4
45370000440.5512064 qam2



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0000
2ATDMA0010
3ATDMA0000
4ATDMA0000
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