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1gig upgrade slow speed

navypixel
Tuning in

i upgraded my account from M500 broadband to 1gig with TV on Tuesday, i was told the current speed i was getting (540mb down) wont be affected until I transfer on Friday to 1gig and it will only go up.

as soon as the phone call with support was finished my internet instantly dropped to 130mb average download. and has been the same since.

I received my HUB4 and the rest of kit, all installed with the hub4 in modem mode and I'm still getting 130mb average speed test results.

1644611320552753955-mini.png

tried to contact support thinking I might be on a 100mb down profile and not 1000mb down?? but so far stupid online bot and a WhatsApp bot that never connects me to anyone and just wastes my time then tells me there from billing and they unfortunately cannot help me at all

1 ACCEPTED SOLUTION

Accepted Solutions

Adduxi
Very Insightful Person
Very Insightful Person

Did you do the factory reset?  It usually fixes a lot of issues.  Also try plugging the cables in and out a few times to clear any dust that may be lodges in the port grooves.

What does www.samknows.com/realspeed show when tested with a known good Cat 6a cable to a gigabit capable device?  You will need to reset your Hub to Router mode for this test, as it does not work in modem mode.

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15 REPLIES 15

navypixel
Tuning in

spoken to support eventually and he had no clue and booked an engineer visit for Monday

I have since put the hub3 back on and tried in modem mode and again its 130mb down. this seems to be an account problem and not a hardware setup.

the thing that makes this obvious is as soon as I was on the call to upgrade on Monday whatever they did to the account dropped it to 130mb speed?

Adduxi
Very Insightful Person
Very Insightful Person

Try checking with Area faults on 0800 561 0061 or if you have a VM landline 150 as small local faults are not listed on the VM status page.

Try a 60 second factory pinhole reset as below;
Remove any ethernet cables from the Hub and hold the pinhole reset switch for 60 seconds. Do NOT reboot the Hub, just let it do it's thing. Note you will need the passwords from the bottom of the Hub afterwards, so make sure they are legible.

After the reset check the conf settings on the Hub. It will show what speed has been provisioned.
It's Configuration tab - Primary Downstream Service Flow - Max Traffic Rate.   

 

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Thank you for the information, I followed this and the max traffic rate was set to 1230000450

when In Router mode and I have my laptop connected to ETh01 on hub(tried all 4 ports) I can’t get over 150mb down, however when I WiFi onto the sh4 I can achieve 600mb

Before I upgraded on Tuesday I was on m500 package and steadily got 500mb average on all devices hard wired into my switch and around 350mb WiFi.

do you reckon the ports on this hub are the problem? No matter what I try I can’t get over 150mb direct from the router

A50067A5-0022-4205-BBCD-DF1F687F3A64.jpeg

forgot to say in picture I have 600mb on the iPhone via wireless.

I also want the hub to run modem mode so I can plug it into my UniFi network USG but if still get the same speeds via UniFi switches as i do with the laptop.

 

also i noticed when in modem mode the hub transmits on both 192.168.0.1 and 192.168.100.1 which I found odd behavior.

 
Cable Modem StatusItem Status CommentsChannel Overview Downstream Upstream
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

25330750000-138.6QAM25625
1138750000-3.536.6QAM2561
2146750000-3.236.4QAM2562
3154750000-337.4QAM2563
4162750000-2.837.4QAM2564
5170750000-2.737.6QAM2565
6178750000-2.737.6QAM2566
7186750000-2.337.6QAM2567
8194750000-2.137.6QAM2568
9202750000-1.937.6QAM2569
10210750000-1.637.6QAM25610
11218750000-1.338.6QAM25611
12226750000-0.939QAM25612
13234750000-0.637.6QAM25613
14242750000-0.238.6QAM25614
15250750000038.6QAM25615
16258750000-0.338.6QAM25616
17266750000-2.337.4QAM25617
18274750000-0.438.6QAM25618
192827500000.239QAM25619
202907500001.339QAM25620
21298750000237.4QAM25621
22306750000-0.938.6QAM25622
23314750000-1.338.6QAM25623
24322750000-1.138.6QAM25624
26338750000-0.738.6QAM25626
27346750000-0.738.6QAM25627
28354750000-0.738.6QAM25628
29362750000-0.539QAM25629
30370750000-0.939QAM25630
31378750000-1.138.6QAM25631



3.0 Downstream channels

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

25Locked38.60537700
1Locked36.60965300
2Locked36.38689000
3Locked37.35598800
4Locked37.35598800
5Locked37.63627600
6Locked37.63627600
7Locked37.63627600
8Locked37.63627600
9Locked37.63627600
10Locked37.63627600
11Locked38.60537700
12Locked38.98326100
13Locked37.63627600
14Locked38.60537700
15Locked38.60537700
16Locked38.60537700
17Locked37.35598800
18Locked38.60537700
19Locked38.98326100
20Locked38.98326100
21Locked37.35598800
22Locked38.60537700
23Locked38.60537700
24Locked38.60537700
26Locked38.60537700
27Locked38.60537700
28Locked38.60537700
29Locked38.98326100
30Locked38.98326100
31Locked38.60537700



3.1 Downstream channels

Channel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)
33944K1840QAM4096416


3.1 Downstream channels

Channel ID Lock Status RxMER Data (dB) PLC Power (dBmV) Correcteds (Active Profile) Uncorrectables (Active Profile)
33Locked41-2.5108599770

General Configuration

Network access
true
Maximum Number of CPEs
1
Baseline Privacy
true
DOCSIS Mode
3.1
Config file
cmreg-vmdg640-bbt076+voc-b.cm



Primary Downstream Service Flow

SFID
35076
Max Traffic Rate
1230000450
Max Traffic Burst
42600
Min Traffic Rate
0



Primary Upstream Service Flow

SFID
35075
Max Traffic Rate
55000270
Max Traffic Burst
42600
Min Traffic Rate
0
Max Concatenated Burst
42600
Scheduling Type
bestEffort

Network Log

Time Priority Description

Thu 01/01/1970 00:01:273No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 13/02/2022 11:18:405MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Thu 01/01/1970 00:01:213No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 13/02/2022 11:49:335MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Thu 01/01/1970 00:01:203No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 13/02/2022 12:01:505MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 13/02/2022 12:02:015RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 13/02/2022 12:02:156CM-STATUS message sent. Event Type Code: 5; Chan ID: 33; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
Sun 13/02/2022 12:06:015MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;

Adduxi
Very Insightful Person
Very Insightful Person

Did you do the factory reset?  It usually fixes a lot of issues.  Also try plugging the cables in and out a few times to clear any dust that may be lodges in the port grooves.

What does www.samknows.com/realspeed show when tested with a known good Cat 6a cable to a gigabit capable device?  You will need to reset your Hub to Router mode for this test, as it does not work in modem mode.

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

Have I helped? Click Mark as Helpful Answer or use Kudos to say thanks