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Ethan_Lister
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Gig1 upload less than 1mbps

I've had Gig1 for about 2 months now and upload speeds have consistently been below my expectations, during peak hours often below 25mbps. While not ideal this was still usable most of the time, though the connection was sometimes unstable meaning packet loss and ping spikes in games. Since yesterday I am now seeing upload speeds of 1mbps or below during peak hours and this is not usable for what I need and am paying for.Samknows test.png

 

Just uploading the image above took 15-20 seconds. This is a Samknows realspeed test.

I am located in London N22.

Any help is much appreciated, thank you.

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Ethan_Lister
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Re: Gig1 upload less than 1mbps

Here is data from 192.168.0.1:

Cable Modem Status
Online
DOCSIS 3.1
Primary downstream channel
Locked
SC-QAM
DOCSIS 3.0 channels
31
4
DOCSIS 3.1 channels
1
0
 

3.0 Downstream channels

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

2533100000011.09999838.605377QAM25625
113900000011.90000237.355988QAM2561
214700000011.59999837.636276QAM2562
315500000011.40000237.355988QAM2563
416300000011.19999737.355988QAM2564
517100000010.90000237.355988QAM2565
617900000010.59999837.355988QAM2566
718700000010.50000037.355988QAM2567
819500000010.50000037.355988QAM2568
920300000010.50000037.355988QAM2569
1021100000010.40000237.636276QAM25610
1121900000010.50000037.355988QAM25611
1222700000010.59999837.355988QAM25612
1323500000010.40000237.636276QAM25613
1424300000010.50000037.355988QAM25614
1525100000010.30000337.355988QAM25615
1625900000010.19999737.636276QAM25616
1726700000010.09999837.636276QAM25617
1827500000010.09999837.636276QAM25618
192830000009.59999837.636276QAM25619
202910000009.40000237.636276QAM25620
212990000009.69999737.636276QAM25621
2230700000010.09999837.636276QAM25622
2331500000010.59999837.636276QAM25623
2432300000011.09999838.605377QAM25624
2633900000011.40000238.605377QAM25626
2734700000011.19999738.983261QAM25627
2835500000011.59999838.983261QAM25628
2936300000012.00000038.983261QAM25629
3037100000012.09999838.605377QAM25630
3137900000011.90000238.605377QAM25631
 
3.0 Downstream channelsChannel Lock Status RxMER (dB) Pre RS Errors Post RS Errors
25Locked38.60537700
1Locked37.35598800
2Locked37.63627600
3Locked37.35598800
4Locked37.35598800
5Locked37.35598800
6Locked37.35598800
7Locked37.35598800
8Locked37.35598800
9Locked37.35598800
10Locked37.63627600
11Locked37.35598800
12Locked37.35598870
13Locked37.63627600
14Locked37.35598800
15Locked37.35598800
16Locked37.63627600
17Locked37.63627600
18Locked37.63627600
19Locked37.63627600
20Locked37.63627600
21Locked37.63627600
22Locked37.63627600
23Locked37.63627670
24Locked38.60537700
26Locked38.60537700
27Locked38.98326100
28Locked38.98326150
29Locked38.98326100
30Locked38.60537700
31Locked38.60537700


3.1 Downstream channelsChannel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)
33964K1880QAM4096759


3.1 Downstream channelsChannel ID Lock Status RxMER Data (dB) PLC Power (dBmV) Correcteds (Active Profile) Uncorrectables (Active Profile)
33Locked4313.26515690
  3.0 Upstream channelsChannel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
13940000042.7705995120 KSym/sec16QAM4
24620000042.0205995120 KSym/sec16QAM3
36030000042.5205995120 KSym/sec16QAM1
45370000042.2705995120 KSym/sec16QAM2



3.0 Upstream channelsChannel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1US_TYPE_STDMA0000
2US_TYPE_STDMA0000
3US_TYPE_STDMA0010
4US_TYPE_STDMA0040
General Configuration
Network access
true
Maximum Number of CPEs
1
Baseline Privacy
true
DOCSIS Mode
3.1
Config file
cmreg-vmdg640-bbt076-b.cm



Primary Downstream Service Flow
SFID
228076
Max Traffic Rate
1200000450
Max Traffic Burst
42600
Min Traffic Rate
0



Primary Upstream Service Flow
SFID
228075
Max Traffic Rate
55000270
Max Traffic Burst
42600
Min Traffic Rate
0
Max Concatenated Burst
42600
Scheduling Type
bestEffort
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Ethan_Lister
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Message 3 of 22
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Re: Gig1 upload less than 1mbps

Screenshot 2021-02-14 173904.png

Most recent test. This image took over 2 minutes to upload.

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jbrennand
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Message 4 of 22
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Re: Gig1 upload less than 1mbps

You need someone who knows more about the Hub4 to comment, but for other Hubs your down power levels are all very high with many being above the recommended maximum of +10dBmV and would be expected to give connection issues. Up powers are "in range" although there are some T3's in there.
See what someone else says.

--------------------
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.
tehwolf
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Message 5 of 22
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Re: Gig1 upload less than 1mbps

In addition to what jbrennand has said, all four of your upstream channels are at 16qam. They should all be 64. This the is reason your upload speed is poor... why they are only negotiating 16 instead of 64 I couldn’t say - probably needs a vm staffer to comment.

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Ethan_Lister
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Message 6 of 22
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Re: Gig1 upload less than 1mbps

When do you think is a normal timeframe for a staffer to reply to the thread?

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sayekm
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Message 7 of 22
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Re: Gig1 upload less than 1mbps

Reply here can take days.. if i was in your position call customer service 8am sharp.. put hands free on and don't hang up until you get through and engineer booked.

London area has plenty of engineers and whenever I called got an appointment within couple days.



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Andruser
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Message 8 of 22
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Re: Gig1 upload less than 1mbps

I'd expect around one working day for a thread such as this that some kind but anonymous soul has already escalated to the queue for staff attention.  The VM community forum is what it says - first responses are typically by interested amateurs such as myself and others who have already replied.  The "insightful users" can escalate threads for staff to take a look and advise, but this isn't a real time chat service, nor a first line of customer response as far as VM are concerned, so staff responses can take a while and depend on their other workloads.  If that's not fast enough, you'd have to try phoning it in, and dealing with Timbuktoo's finest.

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Megan_L
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Message 9 of 22
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Re: Gig1 upload less than 1mbps

Hi Ethan_Lister, 

Thanks for using the forums to get this issue looked into with your broadband, I am sorry if its been causing you some frustration. 
Usually what we would ask you to do is just follow these links in order to try and resolve it before we have a look- 
Slow Speeds Help
Intermittent Connection
We may also ask you for a bit more information so we can understand your specific issue like have you checked your speed using our Speed test site here? Also we may need you to use a BMQ graph to gain more of an insight into your HUB's performance, this needs to stay active for 24 hours so we can see a good chunk of activity. We also may need to you reboot your HUB so that the data on the HUB's logs can reset, this helps the performance and also helps us identify any issues on our side. 
Please let me know what you find out after following these steps!
Thanks,
Megan_L

SCA1972
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Message 10 of 22
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Re: Gig1 upload less than 1mbps

@Megan_L Are the high downstream power levels and low upstream modulation not a cause for concern?

______________________
Scott

My setup: VM TV box, M350 Fibre broadband with Hub 3 in modem mode connected to a Netgear R7000 router. Telewest/VM user since 2001.

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