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imjolly
Distinguished Sage
Distinguished Sage
608 Views
Message 21 of 36

Re: Bt Infinity intermittent drop outs and speed

your last stats at least had an attainable at the bottom end of your estimate from dslchecker and not it is a matter or trying to get a stable connection  once that is established then engineer can get DLM reset so your speed increases and your noise margin drops to nearer normal



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umpire
Distinguished Guru
598 Views
Message 22 of 36

Re: Bt Infinity intermittent drop outs and speed

"my line also appears to be capped at 29mbps"

What makes you think that?
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Grudenkles
Aspiring Contributor
595 Views
Message 23 of 36

Re: Bt Infinity intermittent drop outs and speed

Over the past few days my line's fastest speed was 29999kbps (or equivalent of 29.9mbps, like 30mbps was max attainable, due to a cap, like when 39.9 on infinity 1 limit of 40mbps) and my max data rate has been above 40mbps when this cap has been in place, so that wasn't the line's max data rate

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umpire
Distinguished Guru
579 Views
Message 24 of 36

Re: Bt Infinity intermittent drop outs and speed

There is a downstream connection speed band that is 15 - 30. If the DLM has placed your line on that band then the current cap is effectively 30.

If you are on Infinity 1 40/10 then the highest band you can be on is one with an upper limit of 40. Back on May 15 you must have been on such a band as you were connected at 40.
Note: The new version of Infinity 1 is 55/10 so can have a band with an upper limit of 55. You may still be on 40/10 currently though.

The max data rate is not affected by the band, it shows what your line is potentially capable of regardless of current product and band. It shouldn't normally vary by much and for a clean line would be expected to lie within the BT Wholesale clean range estimates.
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Grudenkles
Aspiring Contributor
577 Views
Message 25 of 36

Re: Bt Infinity intermittent drop outs and speed

Yeah, my max data rate varies from 20mbps all the way up to 65, a huge amount of variance; like i would get 32mbps, then drop, then 40mbps, then drop, then 20mbps etc. And these drops happen multiple times ranging from 3 minutes apart to 24 hours apart
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umpire
Distinguished Guru
573 Views
Message 26 of 36

Re: Bt Infinity intermittent drop outs and speed

That is the important point really. If your reported max data rate is showing extreme variations then it implies something seriously wrong somewhere. The low connection speeds and associated high SNR margins could well be as a result of that problem.

You would hope a broadband engineer would understand what you are telling them regarding the max data rate variations.

Have BT tried a replacement HomeHub just in case a faulty one is the cause of the wild variations in reported max data rate? Have you also tried a different DSL cable from the socket to the HomeHub just to rule that out?
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Grudenkles
Aspiring Contributor
568 Views
Message 27 of 36

Re: Bt Infinity intermittent drop outs and speed

Yeah i believe that the problem is exactly as you have stated but like you say nobody seems to understand or be able to fix it, and yes, if you see my previous post; i have had a replacement home hub 5, a new mk3 ssfp filter, new cabling, re-terminated at DP and DSLAM and more: and nothing seems to fix it, every time an issue occurs, BT send an engineer out: who says he has fixed it, but to wait 24 hours, and puts any drops that i demonstrate down to that period of instability, then i ring BT to report the fault still being present (and now worse) and the circle starts, another openreach engineer...
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imjolly
Distinguished Sage
Distinguished Sage
562 Views
Message 28 of 36

Re: Bt Infinity intermittent drop outs and speed

As I said already your best chance of getting a solution to your problem is to stick with mod help and avoid customer services. Obviously the mods cannot physically do anything to your connection and best is to get engineer to your home to try and solve your line problem. Openreach are trying to solve the problem and hopefully one of the engineers will fine the cause and fix it



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umpire
Distinguished Guru
561 Views
Message 29 of 36

Re: Bt Infinity intermittent drop outs and speed

If using a HH5 Type-A you have the option of running the free RouterStatsHub program on a PC to automatically record the stats and then view them over time as charts. Won't fix anything but might make it clearer what is happening when and show any possible patterns?
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Grudenkles
Aspiring Contributor
551 Views
Message 30 of 36

Re: Bt Infinity intermittent drop outs and speed

Thank you for this information: however, I already have put RouterStatsHub on a windows server machine ans have logging enabled so that I can monitor my connection 24/7 through RDP access to the server, but again, thank you for the information
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