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Aspiring Contributor
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Message 11 of 19

Re: Line speed up, throughput down

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For clarity I only have 1 socket in the house, no options to try master ect.

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Distinguished Sage
Distinguished Sage
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Message 12 of 19

Re: Line speed up, throughput down

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You will have to waint until you have a BT Home Hub, as its not possible to monitor errors with the router you are using.

The noise margin is low, so that may be causing errors.

 

See Noise margins

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Aspiring Contributor
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Message 13 of 19

Re: Line speed up, throughput down

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Keith thanks for the information on noise margins, very interesting.  I tried restarting my router repeatedly as suggested (10 times), I noticed the upload noise margin fluctuation between 5.5 - 6.5 db, but the download noise marging was fixed rigid at 3.0 db.
Is it reasonable to infer then that BT has set my download noise margin at the 3.0 db value?

Ill try BT today if I can and see what they say. 

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Distinguished Sage
Distinguished Sage
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Message 14 of 19

Re: Line speed up, throughput down

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If you would like to contact one of the UK based BT Care Team who moderate this forum, they should be able to help you, and get your target SNR changed to 6dB. They are your best option, as they can do it from their end.

 

 

 

They can be contacted using this link BT Care Team

 

 

 

They normally respond by phone or e-mail, within three working days, however you should get an immediate confirmation, with a tracking number.

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Aspiring Contributor
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Message 15 of 19

Re: Line speed up, throughput down

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Some more test data:

1. Best Effort Test: -provides background information.

Download Speed
8 Kbps

0 Kbps 21 Mbps
Max Achievable Speed

Download speedachieved during the test was - 8 Kbps
For your connection, the acceptable range of speeds is 4 Mbps-21 Mbps.
IP Profile for your line is - 16.08 Mbps

2. Upstream Test: -provides background information.

Upload Speed
1.1 Mbps

0 Kbps 832 Kbps
Max Achievable Speed

Upload speed achieved during the test was - 1.1Mbps
Additional Information:
Upstream Rate IP profile on your line is - 832 Kbps

Using other speed test utilities on the web I have noticed a pattern on my download throughput, it fluctuates wildly, sometimes hitting 3Gb/s then dropping to 0Gb/s then jumping around, then back to 0Gb/s and so on.  Whereas the upload is very stable. 

 

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Aspiring Contributor
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Message 16 of 19

Re: Line speed up, throughput down

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Keith, I sent a message to the care team, Im out of the country on business for a while so it may take some time for me to get a response and check the impact.

Again thanks for your advice. 

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Distinguished Sage
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Message 17 of 19

Re: Line speed up, throughput down

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i would suggest trying an alternative speedtest as the BT one does seem to be having various problems at the moment speedtest.net is a good option
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Aspiring Contributor
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Message 18 of 19

Re: Line speed up, throughput down

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Well back from NY and jet lagged, managed to setup the BT Home Hub V3 and my issue is solved, must be an issue on my Belkin router, all the WAN settings are identical to the extent I can change them.

Thanks all forum members for your help. 

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Distinguished Sage
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Message 19 of 19

Re: Line speed up, throughput down

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glad to help any time
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