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Beginner
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Message 1 of 20

Very Slow Upload Speeds

Hello,

 

I have BT Infinity in my home and get acceptable download speeds (about 18mbps). However, the upload speeds are incredibly slow, testing between 0.3 and 0.6 mbps. This is frustrating as my work tends to involve uploading videos.

 

I have my ADSL filter connected to the test socket as the download speeds roughly halves (to about mbps) if I plug it into the socket on the front of the plate. Either socket makes no difference to the upload speed, however (which is the problem).

 

I have tried an ethernet connection and it makes no difference (and in anycase isn't really a long-term option given where my PC is).

 

I've tried all the usual turning the router off and on, but no improvement.

 

Any help would be greatly appreciated, thank you!

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Distinguished Sage
Distinguished Sage
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Message 2 of 20

Re: Very Slow Upload Speeds

Welcome to this user forum.

 

In order to find out what services and speed range you should be getting, please enter your phone number into this form.
Broadband availability checker


Please remember to edit out your phone number before you post the results.

If you have a BT Home Hub 6 (Smart Hub)

Please use this link to display the Smart hub (HH6) connection information

You will need to be connected to your home hub to do this.

Please could you post the results from the BT Wholesale speed checker, including the further diagnostics.
 
 http://www.speedtest.btwholesale.com/
 

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Beginner
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Message 3 of 20

Re: Very Slow Upload Speeds

Featured ProductsDownstream Line Rate(Mbps)Upstream Line Rate(Mbps)Downstream Handback Threshold(Mbps)WBC FTTC Availability DateWBC SOGEA Availability DateLeft in Jumper  High Low High Low        Featured ProductsDownstream Line Rate(Mbps)Upstream Line Rate(Mbps)Downstream Range(Mbps)WBC FTTP Availability Date   ADSL ProductsDownstream Line Rate(Mbps)Upstream Line Rate(Mbps)Downstream Range(Mbps)Availability Date Left in JumperOther Offerings     Availability Date   Premise environmentStatus

VDSL Range A (Clean)22.114.91.20.811.4Available---- 
VDSL Range B (Impacted)16.26.71.20.64.7Available---- 
FTTP on Demand33030--Available---- 
WBC ADSL 2+Up to 7--6 to 8Available--Yes 
WBC ADSL 2+ Annex MUp to 7Up to 16 to 8Available--Yes 
ADSL MaxUp to 7--6 to 8Available---- 
WBC Fixed Rate2----Available--Yes 
Fixed Rate2----Available---- 
VDSL Multicast------Available---- 
ADSL Multicast------Available---- 
Bridge TapN      
VRIN      
NTEFaceplateN      
Last Test Date20-05-2017 
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Beginner
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Message 4 of 20

Re: Very Slow Upload Speeds

Download Speed (mbps) 17.08

Upload Speed (mbps) 0.56

Ping Latency (ms) 38.00

 

 
FAQ

Results Image not loaded

 

 


1. Best Effort Test:  -provides background information.

 Download Speed
 17.08 Mbps
  
0 Mbps17.59 Mbps
Max Achievable Speed

 Download speedachieved during the test was - 17.08 Mbps
 For your connection, the acceptable range of speedsis 12.31 Mbps-17.59 Mbps .
 Additional Information:
 IP Profile for your line is - 17.59 Mbps

2. Upstream Test:  -provides background information.

 Upload Speed
 0.56 Mbps
  
0 Mbps20 Mbps
Max Achievable Speed

Upload speed achieved during the test was - 0.56Mbps
 Additional Information:
 Upstream Rate IP profile on your line is - 20 Mbps


We were unable to identify any performance problem with your service at this time.
It is possible that any problem you are currently, or had previously experienced may have been caused by traffic congestion on the Internet or by the server you were accessing responding slowly.
If you continue to encounter a problem with a specific server, please contact the administrator of that server in the first instance.
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Contributor
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Message 5 of 20

Re: Very Slow Upload Speeds

The upstream estimate in DSL checker for your line is the same as mine (0.8-1.2) and this can be a tad optimistic...  My upstream sync is actually a little over 500kbps due to a combination of the modem only using US0 and the modem power being set quite low by the DSLAM so as not to upset those folk still on ADSL....  If my line was a little shorter, the lower attenuation would probably allow bits to be loaded in US1 and improve the upstream sync - if my DSLAM was closer to the exchange the modem could probably operate at higher power and so load more bits into US0...  My guess is that this is what's happening for you - your modem stats will at least show the sync speed, but you'll only be able to see why the sync is low if you have a modem that displays detailed stats (e.g. bit-loading).

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Distinguished Sage
Distinguished Sage
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Message 6 of 20

Re: Very Slow Upload Speeds

from you stats you appear to be on infinity 2 but will never get even the infinity 1 max and would be better downgrading to infinity 1 and save some money



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Beginner
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Message 7 of 20

Re: Very Slow Upload Speeds

Does this mean it's impossible for my upload speed to ever rise from its current level?

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Distinguished Sage
Distinguished Sage
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Message 8 of 20

Re: Very Slow Upload Speeds

you can see from checker results that the estimated up speed range is 1.2/0.8mb and upload speed will be less than connection speed



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Distinguished Sage
Distinguished Sage
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Message 9 of 20

Re: Very Slow Upload Speeds

@wwormellWhat is your actual upload connection speed showing on the home hub?

 

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Sage
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Message 10 of 20

Re: Very Slow Upload Speeds


@GW65 wrote:
The upstream estimate in DSL checker for your line is the same as mine (0.8-1.2) and this can be a tad optimistic...  My upstream sync is actually a little over 500kbps due to a combination of the modem only using US0 and the modem power being set quite low by the DSLAM so as not to upset those folk still on ADSL....  If my line was a little shorter, the lower attenuation would probably allow bits to be loaded in US1 and improve the upstream sync - if my DSLAM was closer to the exchange the modem could probably operate at higher power and so load more bits into US0...  My guess is that this is what's happening for you - your modem stats will at least show the sync speed, but you'll only be able to see why the sync is low if you have a modem that displays detailed stats (e.g. bit-loading).

FYI you are wrong. ADSL users are not connected to the VDSL cab DSLAM. They are connected at the exchange. Distance of the DSLAM from the exchange is immaterial as it is fibre optic from the DSLAM.

 

If your DSLAM was nearer the exchange your attenuation would be higher as it would nessecitate a longer copper connection, you cannot shorten your line (move the DSLAM nearer) and then move the DSLAM further away.

 

Any other conspiracy theories?

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