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ldicenta
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Twitch Streaming ISSUES / Bad upload speeds / Major Dips in upload

Hello 

I have noticed other on this forum having with same issue but decided to create my own thread as I have been dealing with this issue for months now.

My upload speeds gets decimated at peak times, going from a steady 36mb all the way down to 1mb / 2mb or between 5-8mb and then shoots back up to 25+.

This happens so often that it makes streaming on twitch or youtube not viable.

I have called customer support who always tell me the same thing: to hit reset on my superhub and that it will be better after while promptly putting the phone down on me as I plead with them that this will not fix my issue.

An engineer also came over to my apartment but as the issue is intermittent and concerns upload, he told me that Virgin Media does not care about upload and does not guarantee anything to do with upload, so no one would be able to help me solve my issue.

Today I tried to stream again on Sunday 20th of September between 3PM and 5PM and encountered the dips in upload speeds again which rendered my stream unwatchable so I had to terminate it.

I have tried new ethernet cable, I have also bought a router and put my superhub in modem mode and I have also just connected my gaming PC to the superhub alone in order to see if that could help but no dice, always had the same results.

There was a fault in my area once and after Virgin had done fixing it it seemed like it worked fine for a few weeks at peak time but recently the issue came back and I am unable to stream on twitch as usual.

I live alone in a one bedroom apartment so no one else is on the connection so I have full control over it.

As you can see in the screenshot below, OBS dropped 16% (15575 frames) during a 26 minute test stream. and as you can also see in the speedtest screenshot my upload was consistently dipping down to 1-2mb and then back up to 25+ 30+ but fully unstable all the way through testing.

 

OBSOBS

 

SpeedsSpeeds

Has any one ran into this type of issue before? Is virgin really not taking upload into account? What are the possible fixes in order to have steady upload speeds?

I have also ran speedtests from multiple devices and also tried new ethernet cables + reinstalling windows fresh but problems sitll persists, as I am writing this I am running a twitch stream on a second test channel with the following results:

obs 2.jpg

This is making growing a twitch stream incredibly difficult and I would appreciate any help as I am desperate to get this fixed.

Many thanks

Luis

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ldicenta
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Re: Twitch Streaming ISSUES / Bad upload speeds / Major Dips in upload

Added two full speed test for reference here 7:20PM and 7:28PM 20/09/2020:

speed google.jpg

 

speed 2.jpg

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Re: Twitch Streaming ISSUES / Bad upload speeds / Major Dips in upload

Hi Luis

If the issue only occurs at peak times then it suggests a peak time utilisation issue.  Basically the segment of the VM network you are on doesn't have enough capacity at peak times to cope with demand.  In the past peak times were 4pm to 11pm weekdays and all weekend but with the lock down forcing people to work from home and many now still working from home the peak time is most of the day every day.

Utilisation issues are rarely a quick fix and in the past have taken VM weeks, months and even years to fix, although they were usually related to download speed issues.

AFAIK Virgin Media don't guarantee upload speeds, I don't think any UK ISP does.  For most people download speed is all that is important so most ISPs concentrate on that. 

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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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ldicenta
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Re: Twitch Streaming ISSUES / Bad upload speeds / Major Dips in upload

hi SCA 

Thank you for your response - 

Does this mean this is impossible to fix and we have to deal with bad upload forever from Virgin?

It does seem quite extreme that there is no solution

 

EDIT: It happens in the mornings too sometimes

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Re: Twitch Streaming ISSUES / Bad upload speeds / Major Dips in upload

I'm not saying it is impossible to fix, but if it is utilisation issue then it may not be a simple fix and make take some time to resolve.

If it is happening at off peak times (before 7am or after midnight) then it may not be a utilisation issue.  Let's start with some hub stats.

If you go to http://192.168.0.1/ (or http://192.168.100.1/ if you are in modem mode) to get the VM hub GUI. Don't login (unless you have a Hub 3 and this is your first visit to the hub GUI or a Hub 4, which does require you to login) but instead click on Router Status which is either a button in the top right of the screen or a text link at the bottom of the screen depending on which hub you have. Click on the Downstream, Upstream and Network Log sections and copy & paste the figures from those screens and post them here, don't worry about the formatting or you can post screenshots if that is easier. If using screenshots be careful to edit out or obscure any reference to your WAN IP or MAC address in the log to protect your privacy.  If you copy and paste the log then the forum will automatically censor this sensitive information. Also note that images will take time to appear on the forum due to a combination of awaiting moderator approval and buggy code.

The community can have a look for you and see if anything in the figures looks wrong and advise accordingly. Or you can wait for the VM staff to pick up this thread (can take a few days) and run checks on your line.

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ldicenta
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Re: Twitch Streaming ISSUES / Bad upload speeds / Major Dips in upload

Thank SCA

As requested (had to do multiple posts due to character limit)

 

Upstream bonded channels

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

1394001314.45512064 qam6
2325997914.45512064 qam7
3461999724.5512064 qam5
4258000004.425512016 qam8



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0000
2ATDMA0000
3ATDMA0000
4ATDMA0000

 

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Re: Twitch Streaming ISSUES / Bad upload speeds / Major Dips in upload

Downstream bonded channels

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

13307500003.240256 qam25
22667500003.440256 qam17
32747500003.240256 qam18
42827500003.240256 qam19
5290750000340256 qam20
62987500003.240256 qam21
73067500003.440256 qam22
83147500003.540256 qam23
93227500003.540256 qam24
103707500003.940256 qam26
11378750000440256 qam27
123867500004.340256 qam28
133947500004.140256 qam29
14402750000440256 qam30
15410750000440256 qam31
164187500004.140256 qam32
174267500004.340256 qam33
184347500004.340256 qam34
19442750000440256 qam35
204507500004.140256 qam36
214587500004.140256 qam37
224667500004.340256 qam38
234747500004.340256 qam39
244827500004.340256 qam40



Downstream bonded channels

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

1Locked40.980
2Locked40.370
3Locked40.350
4Locked40.980
5Locked40.3100
6Locked40.360
7Locked40.370
8Locked40.390
9Locked40.370
10Locked40.940
11Locked40.980
12Locked40.360
13Locked40.370
14Locked40.380
15Locked40.390
16Locked40.960
17Locked40.970
18Locked40.9190
19Locked40.3220
20Locked40.330
21Locked40.980
22Locked40.9190
23Locked40.3180
24Locked40.350
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Re: Twitch Streaming ISSUES / Bad upload speeds / Major Dips in upload

Network Log

Time Priority Description

20/09/2020 19:22:21criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 19:04:33noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 18:59:28criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 18:57:52noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:29criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 16:06:28noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 16:06:24Warning!LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 14:44:45ErrorDHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
16/09/2020 19:26:59criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
16/09/2020 12:16:11ErrorDHCP REBIND WARNING - Field invalid in response;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/09/2020 12:57:46ErrorDHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
13/09/2020 15:07:42criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
11/09/2020 23:30:28ErrorDHCP REBIND WARNING - Field invalid in response;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
11/09/2020 20:05:10ErrorDHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
11/09/2020 18:20:39criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
11/09/2020 16:39:56ErrorDHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
11/09/2020 14:15:25criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
11/09/2020 09:49:28ErrorDHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
10/09/2020 20:50:3criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
10/09/2020 20:08:32ErrorDHCP RENEW sent - No response for IPv4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
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Re: Twitch Streaming ISSUES / Bad upload speeds / Major Dips in upload

@ldicenta Thanks for posting the hub stats.

Most of the hub stats look OK.  The only thing that I see that is unusual is the modulation on upstream channel 4 which is 16 qam when all the other channels are 64 qam.  Unsure if this is significant enough to impact your upload speeds, will need to wait for one of the forum team to visit this thread and see if their checks reveal anything.

Hopefully one of the team will respond in the next day or two.

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ldicenta
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Re: Twitch Streaming ISSUES / Bad upload speeds / Major Dips in upload

 

Just for reference I also get that when i do "run a test" on the service status page but it says "Broadband: 

issue.jpg

 

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