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Talktalk 150 ( G.Fast ) High upload latency

ciciox10
Popular Poster
Message 24 of 24

Hello,

Today I had my Talktalk 150 line install ( G.Fast )

the engineer took few hour to install it as he was detecting few issues on the line but after few test all get sorted ( from his tablet )

 

I been running a speedtest on speedtest.net ( CLI ) and at the same time a ping test but I notice that when the line is quiet ( pre-test ) ping is almost stable  ( before I had a normal DSL that was reaching 79.9 mbps and ping were always stable to 8 ms with plusnet )

 

C:\Users\giuseppe.faro>ping 8.8.8.8 -n 20

Pinging 8.8.8.8 with 32 bytes of data:
Reply from 8.8.8.8: bytes=32 time=6ms TTL=117
Reply from 8.8.8.8: bytes=32 time=5ms TTL=117
Reply from 8.8.8.8: bytes=32 time=8ms TTL=117

 

when the speedtest is running ( download ) the latency is still fine

Reply from 8.8.8.8: bytes=32 time=7ms TTL=117
Reply from 8.8.8.8: bytes=32 time=9ms TTL=117
Reply from 8.8.8.8: bytes=32 time=9ms TTL=117

 

but soon is starting the test for the upload this happen

 

Reply from 8.8.8.8: bytes=32 time=6ms TTL=117
Reply from 8.8.8.8: bytes=32 time=87ms TTL=117
Reply from 8.8.8.8: bytes=32 time=123ms TTL=117
Reply from 8.8.8.8: bytes=32 time=112ms TTL=117
Reply from 8.8.8.8: bytes=32 time=122ms TTL=117
Reply from 8.8.8.8: bytes=32 time=130ms TTL=117

...... from here the upload is completed ...
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=5ms TTL=117

 

I been running this test while the engineer was here and he said that the line look perfect from his tablet ( no errors ) but it will take up-to 10 days to get stabilized.

 

I am confident that in 10 days the line will stabilize but im not really sure that the latency in upload will change much.....

 

https://imgur.com/a/zDWnjz9 - Ping Test

 

https://imgur.com/a/EWCGiLd - Speed Test

 

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23 REPLIES 23

Message 1 of 24

Hello Michelle,

since your message I haven't hear anything at all not in the forum not via email/phone.

 

Please could you let me know is somebody had a look at my issue as I am not willing to keep the service as it is.

 

Thank you

G

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Michelle-TalkTalk
Support Team
Message 2 of 24

Hi,

 

Apologies, I've escalated this over to our Network Team now and asked them to take a look as I'm not sure why the voice/line issue hasn't been investigated by Openreach. I'll let you know as soon as I receive an update back.

 

Thanks

 

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Message 3 of 24

Nothing changed.

 

Today I also contacted the TalkTalk support via chat and i spend 3 hours ( really 3 hours ) from 11.00 to 14.00 and I spoke with 2 different engineer.

 

after repeeting the same thing to all of them end explain that I also open a support request to this forum, with all pictures the only think I archived was a full TalkTalk hub reset loosing all my settings but nothing change as any quality improvement.

 

Now I got few question.

 

Can I get a BT engineer to come and check the connection inside the house and eventually replace the G.fast master socket and they Gfast router?

 

if not possible could I get a downgrade to a different technology that allow me lower speed ( 80 mbps ) but allow my connection to be more stable?

 

if also this is not possible how can i move to another ISP without penalty?

 

to be honest the only thing that the talktalk support told me is:

your connection is fine

I cant see any problem

your speed is fine.

 

but my problem is that the line is instable when all the upload bandwidth is get use by an application that i cant limit it.

 

im really sorry but now is almost 3 months that I having this problem and I really want to get fixed or i'll look for another ISP

 

hope we can get somebody to give me the call and get it troubleshot as im aware the issue im having is not a standard one and the G.fast technology is something really recent .

 

cheers

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Michelle-TalkTalk
Support Team
Message 4 of 24

Hi ciciox10,

 

I'm sorry to hear this. I've re-run the line test which is detecting a possible voice fault again so I've escalated this straight over to Openreach for an external line investigation to be completed. Please can you request an update tomorrow so we can re-check on the progress of this fault.

 

Thanks

 

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Message 5 of 24
c:\>speedtest.exe

Speedtest by Ookla

Server: fdcservers.net - London (id = 6032)
ISP: TalkTalk
Latency: 3.64 ms (0.37 ms jitter)
Download: 148.90 Mbps (data used: 67.9 MB)
Upload: 29.53 Mbps (data used: 14.5 MB)
Packet Loss: Not available.
Result URL: https://www.speedtest.net/result/c/c64d6d4f-9005-4ce4-8365-67f94cca7f03

c:\>speedtest.exe

Speedtest by Ookla

Server: fdcservers.net - London (id = 6032)
ISP: TalkTalk
Latency: 3.68 ms (0.06 ms jitter)
Download: 151.92 Mbps (data used: 70.5 MB)
Upload: 29.57 Mbps (data used: 13.7 MB)
Packet Loss: Not available.
Result URL: https://www.speedtest.net/result/c/f5595937-a962-4a2c-8ce8-0d1de35264bc




Pinging 8.8.8.8 with 32 bytes of data:
Reply from 8.8.8.8: bytes=32 time=108ms TTL=117
Reply from 8.8.8.8: bytes=32 time=125ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=99ms TTL=117
Reply from 8.8.8.8: bytes=32 time=128ms TTL=117
Reply from 8.8.8.8: bytes=32 time=99ms TTL=117
Reply from 8.8.8.8: bytes=32 time=110ms TTL=117
Reply from 8.8.8.8: bytes=32 time=38ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117

Ping statistics for 8.8.8.8:
Packets: Sent = 27, Received = 27, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 3ms, Maximum = 128ms, Average = 28ms


( high latency happen when the speedtest upload test run )
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Message 6 of 24

Hello after 2 months the problem isn't solved.

 

here below a test from Nvidia Geforce now, and as you can see basically I cant use the service even if my line is able to do 150 mbps in down and 30 in up as the connection is instable.

 

nvidia now.PNG

 

Can we get some engineer to look at this problem, eventually to try to replace the open reach Gfast router or reduce a bit the speed of the line to verify if become a bit more stable? 

 

having a fast internet connection but instable isn't good.

 

Thank you

 

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Message 7 of 24

OK thanks, BT had closed the ticket but I've logged it back over to them for further investigation. 


Chris

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Message 8 of 24
Hello Chris,
im afraid but is all still the same
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Message 9 of 24

Hi ciciox10,

 

How are you getting on, has there been any improvement? 


Chris

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Message 10 of 24
Thank you so much
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Message 11 of 24

Hi ciciox10,

 

Ok thanks for confirming. As the test is detecting a voice/possible no dial tone fault I've raised this over to Openreach now to completed an external line investigation. We need to investigate the voice side first as this can affect the broadband connection.

 

This investigation usually takes between 48-72hrs, however if you don't hear anymore within this time then please post back here and we can re-check for an update on the fault for you.

 

Thanks

 

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Message 12 of 24
If I watch a video ( youtube or netflix ) i cant see any difference, but probably this is because there is a buffer, but if im gaming online I start to have a terrible lag.

About the phone I been asking a couple of friend but none of them seams to have it.
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Message 13 of 24

Hi ciciox10,

 

Thanks for the additional info. When this happens does this affect the overall performance of the connection, for example, slow web pages, problems streaming, etc? Would it be possible to borrow a phone to test the voice service as a voice fault an affect the broadband connection?

 

Thanks

 

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Message 14 of 24
I did multiple test in the last couple of day at different time of the day and night and I can say that the ping is always stable to 3-5 ms if the line is quiet
or when I download something that use all bandwidth ( 150 mbps fix like a game on steam/epicgames ), but soon I upload something
from one of my devices that using the full upload bandwidth ( wired or wireless ) the latency jump between 80 to 180 ms.

here some test that i just run:

------------------

while downloading 1.6gb ( centos minimal 150/152 mbps )
Pinging 8.8.8.8 with 32 bytes of data:
Reply from 8.8.8.8: bytes=32 time=6ms TTL=117
Reply from 8.8.8.8: bytes=32 time=5ms TTL=117
Reply from 8.8.8.8: bytes=32 time=6ms TTL=117
Reply from 8.8.8.8: bytes=32 time=5ms TTL=117
Reply from 8.8.8.8: bytes=32 time=7ms TTL=117
Reply from 8.8.8.8: bytes=32 time=6ms TTL=117
Reply from 8.8.8.8: bytes=32 time=5ms TTL=117

----------------

uploading centos minimal iso previously downloaded to wetransfer ( to test the upload ) that probably doesn't upload at full bandwidth ( 26/29mpbs checked using taskmanager)

Reply from 8.8.8.8: bytes=32 time=5ms TTL=117
Reply from 8.8.8.8: bytes=32 time=5ms TTL=117
Reply from 8.8.8.8: bytes=32 time=123ms TTL=117
Reply from 8.8.8.8: bytes=32 time=126ms TTL=117
Reply from 8.8.8.8: bytes=32 time=30ms TTL=117
Reply from 8.8.8.8: bytes=32 time=21ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=8ms TTL=117
Reply from 8.8.8.8: bytes=32 time=17ms TTL=117
Reply from 8.8.8.8: bytes=32 time=12ms TTL=117
Reply from 8.8.8.8: bytes=32 time=17ms TTL=117
Reply from 8.8.8.8: bytes=32 time=34ms TTL=117
Reply from 8.8.8.8: bytes=32 time=35ms TTL=117
Reply from 8.8.8.8: bytes=32 time=16ms TTL=117

-------------------------

cli speedtest

c:\>speedtest.exe

Speedtest by Ookla

Server: GTT.net - London (id = 24383)
ISP: TalkTalk
Latency: 3.72 ms (0.46 ms jitter)
Download: 128.43 Mbps (data used: 116.8 MB)
Upload: 29.14 Mbps (data used: 16.1 MB)
Packet Loss: 0.0%
Result URL: https://www.speedtest.net/result/c/6f4bfcc2-597f-4075-bb2b-c8a176f6fe3c

Reply from 8.8.8.8: bytes=32 time=6ms TTL=117
Reply from 8.8.8.8: bytes=32 time=8ms TTL=117
Reply from 8.8.8.8: bytes=32 time=8ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=139ms TTL=117
Reply from 8.8.8.8: bytes=32 time=134ms TTL=117
Reply from 8.8.8.8: bytes=32 time=124ms TTL=117
Reply from 8.8.8.8: bytes=32 time=127ms TTL=117
Reply from 8.8.8.8: bytes=32 time=130ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=5ms TTL=117

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Message 15 of 24

Hi ciciox10,

 

Thanks for confirming. Would it be possible to run a few more wired pings and trace routes throughout the day with just the one device connected and post the results into the thread please.

 

Run a Ping or Traceroute

 

Thanks

 

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Message 16 of 24
Yes the ping were done from my desktop ( wired ) while i was running the the CLI speed test and in the exact moment when the latency spike from 4ms to 130 is when the upload test starts
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Message 17 of 24

Hi ciciox10,

 

Thank you. The throughput speeds are usually around 80% of the sync speed so the speed test results look ok. Were the pings also completed wired?

 

Thanks

 

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Message 18 of 24
I just run a speedtest from my desktop ( wired via ethernet )
Speedtest by Ookla

Server: Vox Telecom - London (id = 7437)
ISP: TalkTalk
Latency: 3.67 ms (0.07 ms jitter)
Download: 143.90 Mbps (data used: 65.0 MB)
Upload: 29.16 Mbps (data used: 13.1 MB)
Packet Loss: 0.0%
Result URL: https://www.speedtest.net/result/c/88f09f7e-276d-4ead-973a-9d78334142ab

----------
Pinging 8.8.8.8 with 32 bytes of data:
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=4ms TTL=117
Reply from 8.8.8.8: bytes=32 time=130ms TTL=117
Reply from 8.8.8.8: bytes=32 time=113ms TTL=117
Reply from 8.8.8.8: bytes=32 time=99ms TTL=117
Reply from 8.8.8.8: bytes=32 time=94ms TTL=117
Reply from 8.8.8.8: bytes=32 time=41ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117
Reply from 8.8.8.8: bytes=32 time=3ms TTL=117

About the sync itself i can't give you the info because I don't know how get access to the G.fast BT modem.

the speedtest from my laptop ( using wireless 2 meter away from the talktalk router ) and speed and latency are more or less identical.

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Message 19 of 24

Hi ciciox10,

 

Ok, can I just confirm, what wired speeds you're receiving at the moment as the sync speed currently looks ok? If possible could you run both a wired and wireless speed test.

 

Thanks

 

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Message 20 of 24

Hello Michelle,

unfortunately I don't have a normal phone to do this test as I only use the broadband 

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