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swegen
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Constant drops in connection

Hello, further to my post yesterday (https://community.virginmedia.com/t5/QuickStart-set-up-and/Internet-Dropping-Intermittently-High-lat...), which was moved to https://community.virginmedia.com/t5/Holding/Re-Internet-Dropping-Intermittently-High-latency-and-pa... (apparently, since I get an "access denied" when I click on it, and today the original message from @jem101 about moving my post to "another part of the community" has vanished), yesterday night my router updated to the 350Mb fibre (which I had contracted a few days earlier), but I'm still experiencing constant drops in connection. As I mentioned in my post, this happens since I replaced the 3.0Hub with the new 4.0.

Do I need to re-post my network logs?

Here's my BQM:

https://www.thinkbroadband.com/broadband/monitoring/quality/share/6de3859b5125dc00fbd53d9fde780919833a9f49

 Thanks!

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Adduxi
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Message 2 of 9
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Re: Constant drops in connection

The more posts I read here about the Hub 4, the more I think it was a bit rushed.  Can you go back to the Hub3 as it will still cope with 350mb.?

Otherwise post the logs and power levels.

Your BQM is horrendous by the way, one of the worst I've seen in a while, and it's a wonder you are getting any service at all .....

I'm a Very Insightful Person, I'm here to share knowledge, I don't work for Virgin Media. Learn more

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swegen
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Re: Constant drops in connection

No, I cannot since I returned it the same day I installed the hub4. Then left for the weekend, came back to this. Worse thing is that I'm WFH and it's a nightmare.

Here are my logs:

3.0 Downstream channels

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

25331000000-39.09999810.384786QAM25625
6179000000-37.79999910.528899QAM2566
7187000000-37.90000210.866294QAM2567
8195000000-38.09999811.056799QAM2568
9203000000-38.20000111.240084QAM2569
10211000000-38.50000011.481686QAM25610
11219000000-38.50000011.854470QAM25611
12227000000-38.40000212.149516QAM25612
13235000000-38.59999812.468719QAM25613
14243000000-38.79999912.567619QAM25614
15251000000-38.79999912.815166QAM25615
16259000000-38.70000113.197911QAM25616
17267000000-39.09999813.400541QAM25617
18275000000-39.70000113.661511QAM25618
19283000000-40.20000113.775450QAM25619
20291000000-39.90000214.193664QAM25620
21299000000-39.50000014.499010QAM25621
22307000000-40.00000014.643383QAM25622
23315000000-40.09999814.828976QAM25623
24323000000-39.59999815.112601QAM25624
26339000000-39.40000215.548281QAM25626
27347000000-39.40000215.804527QAM25627
28355000000-39.29999916.052650QAM25628
29363000000-38.70000116.258516QAM25629
30371000000-38.40000216.507994QAM25630
31379000000-38.50000016.681095QAM25631
1139000000-37.40000217.006699QAM2561
2147000000-37.29999917.312775QAM2562
3155000000-37.09999817.432663QAM2563
4163000000-37.40000217.618938QAM2564
5171000000-37.70000117.843828QAM2565



3.0 Downstream channels

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

25NotLocked002200
6NotLocked1273476102150
7NotLocked9030513602157
8NotLocked1201102002129
9NotLocked1281058402115
10NotLocked1287845102089
11NotLocked1203674602136
12NotLocked532831502151
13NotLocked588188902180
14NotLocked602922502128
15NotLocked546199602125
16NotLocked574457102157
17NotLocked618343502143
18NotLocked615536302157
19NotLocked569604502092
20NotLocked557599102163
21NotLocked607983202194
22NotLocked605423302163
23NotLocked579307302127
24NotLocked1564058502123
26NotLocked1578732402136
27NotLocked1540366802149
28NotLocked1553326002166
29NotLocked1562318502160
30NotLocked1558229202155
31NotLocked92918360102159
1NotLocked1302325202152
2NotLocked1315236502189
3NotLocked1222900702143
4NotLocked1218233602157
5NotLocked4432609802125

3.0 Upstream channels

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

14620000043.2705995120 KSym/sec8QAM11
23940000043.2705995120 KSym/sec8QAM12
35370000042.7705995120 KSym/sec8QAM10
46030000043.7705995120 KSym/sec8QAM9



3.0 Upstream channels

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swegen
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Re: Constant drops in connection

3.0 Upstream channels

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

14620000043.2705995120 KSym/sec8QAM11
23940000043.2705995120 KSym/sec8QAM12
35370000042.7705995120 KSym/sec8QAM10
46030000043.7705995120 KSym/sec8QAM9



3.0 Upstream channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1US_TYPE_STDMA00221
2US_TYPE_STDMA00221
3US_TYPE_STDMA00221
4US_TYPE_STDMA00221
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swegen
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Re: Constant drops in connection

Network Log

Time Priority Description

Wed 14/10/2020 07:57:293No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Wed 14/10/2020 08:01:283Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Wed 14/10/2020 08:01:283No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Wed 14/10/2020 08:02:483Unicast Ranging Received Abort Response - initializing MAC;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
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Brava210
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Message 6 of 9
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Re: Constant drops in connection

Pretty sure your upstream channels should be 64 QAM not 8

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Virgin BB 200, Hub 3, 3 x V6, TP-Link Deco AX20 x1, M5 x2 - United Artists/Telewest/VM Since 1990
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Anonymous
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Message 7 of 9
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Re: Constant drops in connection

I'm also sure that the downstream power levels are way out of spec (-6 to +10 is in spec).

SNR is also terrible.

You have an issue with your line that requires an engineer visit for further investigation.

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swegen
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Message 8 of 9
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Re: Constant drops in connection

The problem started sorting itself out yesterday around 4PM. Thanks a lot everybody that answered.
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Lee_R
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Re: Constant drops in connection

Hi @swegen

Thanks for getting back to us.  How have your services been since you last posted?

Regards


Lee_R

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