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Standard User Shackman
(newbie) Sat 03-Aug-13 12:21:28
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Where's my download speed going?


[link to this post]
 
Having been a contented Freenetname user for many years, I wsa recently persuaded to upgrade to a phone and broadband package at a very reasonable cost (I was going to leave for pastures new, which helped). One of my worries however was download speeds At the time of the change I was getting approx 3.8 kbps and had been for the last year or so; as we live out in deepest Shropshire I was happy (ish) with this speed, particularly as the predicted speed is no better than 1.5, and BT had said that I would revert to that speed if I changed to them.

Anyway, I changed to the new package and all was well until about two weeks in, and then the download speed started to drop - it's now down to 2.4/2.8 kbps - OK, still faster than many others out here, but things like iplayer and such have started to stutter/suffer. Is this likely to be a line problem, exchange problem, or have I lucked out?
Standard User Apprentice
(knowledge is power) Sat 03-Aug-13 18:59:33
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Re: Where's my download speed going?


[re: Shackman] [link to this post]
 
Can you post some router line stats > http://www.kitz.co.uk/adsl/frogstats.php

Do the following test and then once the result appears then complete the second part for diagnostics (bottom of the page)

Let us see the results from the second test.

http://speedtest.btwholesale.com/


e.g. here's one I made earlier > BTw Test result.

Alastair

omadasafisho
Standard User Shackman
(newbie) Fri 09-Aug-13 16:11:57
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Re: Where's my download speed going?


[re: Apprentice] [link to this post]
 
Sorry about the delay - have been out and about this last week.

Anyway, here are the stats from my (ASUS) router:
Modulation : G.Dmt
Annex Mode : Annex A/L
Line State : up
Lan Tx : 10790111
Lan Rx : 6044267
ADSL Tx : 777056
ADSL Rx : 108906046
CRC Down : 33
CRC Up : 3247
FEC Down : 227
FEC Up : 4362
HEC Down : 10295
HEC Up : 28
SNR Up : 19.0
SNR Down : 12.5
Line Attenuation Up : 29.0
Line Attenuation Down : 60.0
Data Rate Up : 448
Data Rate Down : 3904

These are not wildly different from those of about 4 weeks ago, apart from the data rate down, which was sitting at about 4400-4900, and the attenuation which is greater

The BTw result:

Download 2.85 mbps
Upload 0.37 mbps
Ping 40 ms

(for some reason I don't get the same display as you do!)

Of note, here are the MAAF speed test results for this year:

Today 11:03 2907 kbps (363kB/s) 368 kbps (46kB/s)
Aug 1, 15:35 2897 kbps (362kB/s) 369 kbps (46.1kB/s) Share
Jul 23, 15:52 2914 kbps (364kB/s) 367 kbps (45.9kB/s) Share
Jul 22, 09:54 3891 kbps (486kB/s) 348 kbps (43.5kB/s) Share
Jul 18, 22:31 3384 kbps (423kB/s) 355 kbps (44.4kB/s) Share
Jul 16, 16:44 3401 kbps (425kB/s) 375 kbps (46.9kB/s) Share
Jun 25, 11:30 3390 kbps (424kB/s) 370 kbps (46.3kB/s) Share
Jun 22, 15:41 3914 kbps (489kB/s) 363 kbps (45.4kB/s) Share
Jun 19, 09:28 3397 kbps (425kB/s) 378 kbps (47.3kB/s) Share
Jun 5, 22:09 3887 kbps (486kB/s) 377 kbps (47.1kB/s) Share
May 31, 08:28 3303 kbps (413kB/s) 346 kbps (43.3kB/s) Share
May 3, 14:56 3771 kbps (471kB/s) 361 kbps (45.1kB/s) Share
May 2, 14:10 3712 kbps (464kB/s) 375 kbps (46.9kB/s) Share
May 2, 14:01 3782 kbps (473kB/s) 367 kbps (45.9kB/s) Share
Apr 29, 10:49 3771 kbps (471kB/s) 372 kbps (46.5kB/s) Share
Apr 11, 08:44 3301 kbps (413kB/s) 374 kbps (46.8kB/s) Share
Apr 9, 11:09 3301 kbps (413kB/s) 370 kbps (46.3kB/s) Share
Mar 7, 14:19 3297 kbps (412kB/s) 356 kbps (44.5kB/s) Share
Feb 20, 12:40 3300 kbps (413kB/s) 356 kbps (44.5kB/s) Share
Feb 4, 12:28 3304 kbps (413kB/s) 375 kbps (46.9kB/s) Share
Feb 4, 12:28 3306 kbps (413kB/s) 353 kbps (44.1kB/s) Share
Feb 2, 09:12 2913 kbps (364kB/s) 380 kbps (47.5kB/s)


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Standard User Apprentice
(knowledge is power) Fri 09-Aug-13 19:10:27
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Re: Where's my download speed going?


[re: Shackman] [link to this post]
 
These are not wildly different from those of about 4 weeks ago, apart from the data rate down, which was sitting at about 4400-4900, and the attenuation which is greater

Were the results obtained 4 weeks ago from the same router i.e. the ASUS?

The downstream SNR margin value is higher than the BT target setting of 6dB so is causing a reduction in sync speed when the router resynced, something (noise) has caused the DLM in the exchange to increase that figure from 6dB to 12.5dB in order to stabilise the connection and stop more resyncs to the exchange.
If there are no more problems with the line then the router should be able to sync with the exchange at around 4890Kbps when the DLM drops SNR margin value back to 6dB.

With the throughput speed of 2.85Mbps this would indicate your connection has an IP profile of 3000Kbps/3.0Mbps which ties up with your current sync rate of 3904Kbps.

It could be worth connecting the router to the TEST socket within the master socket if you have that type > TEST socket and getting a new set of line stats to check if there are any wiring problems your side of the master socket, it might be better to do that in the morning/daylight as you ccould end up with a lower sync rate by reconnecting in the late evening.

It can take a long time 10 to 14 days for the DLM to reduce the noise margin back to 6dB as long as there are no more router resyncs due to line noise/issues.

You can get the margin reset to BT's default of 6dB by getting in touch with the ISP/madasafish/Plusnet customer services but they will only sanction it if your connection is stable when looking at the stats and other data from their end.

Edit > forgot to ask are the line filters in use OK.

Alastair

omadasafisho

Edited by Apprentice (Fri 09-Aug-13 19:15:24)

Standard User Shackman
(newbie) Mon 12-Aug-13 15:05:15
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Re: Where's my download speed going?


[re: Apprentice] [link to this post]
 
Thank you for that reply Apprentice, although I will hold off with customer services just for the time being in case there is something else going on.

Re the router - yes, I changed about 2 months ago as my Belkin had started to play up, either dropping the line (resetting required) or just failing completely (requiring a power off/on) as often as three or four times a day. It was also getting VERY hot! Initial results with the ASUS router were from Jul 22 onwards,

Filter wise the router is connected directly to a Clarity supplied NTE5 faceplate adaptor negating the use of other microfilters.

The only other factor may be that a new house has been connected to the phone line 'upstream' of us towards the exchange.
Standard User Shackman
(newbie) Thu 22-Aug-13 16:21:15
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Re: Where's my download speed going?


[re: Shackman] [link to this post]
 
Speed continues to drop; data rate now down to 3200 and SN increasing - download speed dropped to less than 2 mbps briefly earlier this week, but has recovered (sic) to 2.4 now - still nowhere near the 3.8 it was stable at.
ISP Representative chrispurvey
(isp) Fri 23-Aug-13 09:09:26
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Re: Where's my download speed going?


[re: Shackman] [link to this post]
 
Hi Shackman,

If you could PM your username over I'm happy to take a look at your line.

Chris Purvey
Plusnet Support Team
Service Status :: RSS :: Email
The above post has been made by an ISP REPRESENTATIVE (although not necessarily the ISP being discussed in the post).
Standard User WSG
(newbie) Tue 27-Aug-13 13:12:40
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Re: Where's my download speed going?


[re: chrispurvey] [link to this post]
 
Madasafish USED to be good.
I recommended them to my father.
Unfortunately since BT got hold of them the service has plummeted.
For a month since July its now end August my father has had slow = 0.1M down speeds and now NO connection wharsoever.
Madasafish KEEP escalating the tickets but NOTHING gets done. Come on madasafish get this sorted.
Standard User ukhardy07
(fountain of knowledge) Tue 27-Aug-13 13:38:10
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Re: Where's my download speed going?


[re: Shackman] [link to this post]
 
iPlayer should work ok with 1 or 2 Mbps so you shouldn't be getting stutter even at these speeds. The quality may suffer a little but it should work. Netflix can work on a 0.3Mbps connection!!!! It sounds like congestion as well too me, as well as the loss in sync speed.

Edited by ukhardy07 (Tue 27-Aug-13 13:38:28)

ISP Representative chrispurvey
(isp) Wed 28-Aug-13 15:22:31
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Re: Where's my download speed going?


[re: ukhardy07] [link to this post]
 
I've placed a SNR reset on your line that has now taken effect, your sync speed has increased to 5120kbps giving you a profile of 4500kbps.

Let me know how you get on. I got your PM too.

Chris Purvey
Plusnet Support Team
Service Status :: RSS :: Email
The above post has been made by an ISP REPRESENTATIVE (although not necessarily the ISP being discussed in the post).
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