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Author Topic: Slow Download speeds  (Read 23490 times)

jeffbb

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Re: Slow Download speeds
« Reply #30 on: December 05, 2008, 01:51:50 PM »

Hi
I am probably way off the mark but are you actually suffering slow speed ? in the real world . I had a similar problem with speed tests ,not exactly the same as yours but some similarities .

Speedtest .net  was showing ~4mbps download speed
Bt speedtest was showing  ~ 3.8mbps

Thinkbroadband   was showing ~2mbps
BBmax                    was showing ~ 2Mbps

These results were consistent and repeatable , and net meter reported the appropriate speeds .


At the time I was chasing that problem  I also started to set up another PC with Vista on board . When I did speed tests from the same 4 sites I had good correlation  between all 4 sites .


never got to the bottom of these discrepancies . is it possible that you have a similar problem ?
In fact just compared Thinkboadband and speedtest.net today and still have the same discrepancy.with my original PC.


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glen_m_32

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Re: Slow Download speeds
« Reply #31 on: December 05, 2008, 09:10:54 PM »

jeff,

all speedtests, file downloads etc no matter where they are located get a max speed of 1.8-2.2mbps. i have tried private work servers connect to the net at 5gbps and they still show exacly the same speed. if i use my neighbours net then i get 7-7.5mbps. the only site that ever shows that is the bt speedtest. if i lived further from the exchange i wouldn't mind 2mbps but not when i am so close and paying the same as my neighbour.

it is not a major problem until it is sometimes so slow we can not get 56k out of it!

thanks

glen
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glen_m_32

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Re: Slow Download speeds
« Reply #32 on: December 05, 2008, 09:29:20 PM »

I am stuck in that loop of technical help again. AHHHHH, why cant we just get raised straight to the next level if we have spoke to them before, i now need to wait for another engineer to call after BTw have done nothing again.

Sorry i am venting some steam now
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glen_m_32

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Re: Slow Download speeds
« Reply #33 on: December 06, 2008, 10:22:33 AM »

sorry, more stats. but is there any reason why i would have some loss of frmaes and signal now?

Line state Connected
Connection time 0 days, 13:13:45
Downstream 7,872 Kbps
Upstream 448 Kbps


ADSL settings
VPI/VCI 0/38
Type PPPoA
Modulation ITU-T G.992.1
Latency type Interleave
Noise margin (Down/Up) 8.7 dB / 24.0 dB
Line attenuation (Down/Up) 26.0 dB / 16.0 dB
Output power (Down/Up) 19.8 dBm / 12.3 dBm
Loss of Framing (Local) 7
Loss of Signal (Local) 17
Loss of Power (Local) 0
FEC Errors (Down/Up) 749 / 2
CRC Errors (Down/Up) 4 / 2147480001
HEC Errors (Down/Up) 1 / 1
Error Seconds (Local) 292
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roseway

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Re: Slow Download speeds
« Reply #34 on: December 06, 2008, 11:48:31 AM »

Some noise on the line presumably.

http://www.kitz.co.uk/adsl/linestats_errors.htm
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Ezzer

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Re: Slow Download speeds
« Reply #35 on: December 06, 2008, 11:52:19 AM »

everything looks fine on the stats apart from the crc errors which are increadibly high, with interleaving up to about 1000 in a 5 min period is ok
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kitz

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Re: Slow Download speeds
« Reply #36 on: December 06, 2008, 01:34:28 PM »

Things still look fine on the physical line.

Due to the small amount of other errors (ignoring the HH CRC reporting errors), then it looks like you may have had a 'one off type' noise spike rather than a permanent noise problem.

I'm running out of ideas, because the physical line itself seems perfectly fine.

Just to rule out that its not something to do with the HomeHub, do you have another router/modem or one that you can borrow just for a couple of hours for the sake of elimination?

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jeffbb

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Re: Slow Download speeds
« Reply #37 on: December 06, 2008, 04:23:38 PM »

CRC Errors (Down/Up) 4 / 2147480001


is this genuine or is it misreading ? seems to always be the same ?
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kitz

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Re: Slow Download speeds
« Reply #38 on: December 06, 2008, 05:13:49 PM »

CRC Errors (Down/Up) 4 / 2147480001


is this genuine or is it misreading ? seems to always be the same ?

Its a known bug with the Home Hub where it always reports 2147480001
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Ezzer

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Re: Slow Download speeds
« Reply #39 on: December 06, 2008, 07:05:17 PM »

CRC Errors (Down/Up) 4 / 2147480001


is this genuine or is it misreading ? seems to always be the same ?

Its a known bug with the Home Hub where it always reports 2147480001

Phew! i was wondering how could the dsl be in sync with that many errors  ???
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glen_m_32

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Re: Slow Download speeds
« Reply #40 on: December 09, 2008, 08:33:50 AM »

after bt changing some settings at the exchange my i have got faster speeds (6Mbps) through the wired connections, but not wireless.
wireless is intermittent 0.6-6mbps more often at the lower end. I have tried all the channels but no change. I will be ringing bt tonight to get another HomeHub sent to me. Worth a try because on my N network i can not get the full 130mbps as advertised, it sits about 65mbps. i think the router is playing up.

I have an old Sky router, but that is restricted to the sky network and needs re-flashing to standard netgear firmware.

Has there been any reports of issues with the homehub2's wireless?

Thanks

Glen
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glen_m_32

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Re: Slow Download speeds
« Reply #41 on: December 09, 2008, 09:02:49 PM »

i have reflashed the sky router now, i still get random speeds. fast then slow on both wireless and wired. I now have a bt engineer coming out on friday 12th December. fingers crossed they will be able to help!
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kitz

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Re: Slow Download speeds
« Reply #42 on: December 14, 2008, 11:27:35 AM »

Did you have any joy with the engineer?
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glen_m_32

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Re: Slow Download speeds
« Reply #43 on: December 15, 2008, 08:59:50 AM »

he plugged in his modem and saw 7.7mb sync, he done his tests and found no errors and that was it. he reset the BRAS profile so i went back onto DLM. BUT we had some power issues last night and the modem resynced 3 times in an hour. He did agree that here was a problem because the download speeds did not go any faster than 2.5mbps.all i need to do is wait for the DLM to take place then ring them back if there is still no improvement.

How will the power issues affect the DLM process?

He did mention that my Noise Margin was alittle low and got that changed slightly.

Does that sound about right?
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kitz

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Re: Slow Download speeds
« Reply #44 on: December 15, 2008, 09:44:08 AM »

>> because the download speeds did not go any faster than 2.5mbps

I still suspect the problem isn't to do with the physical line - the conflict between the speed on the BTw performance tester to that elsewhere points to the ISP side of things.

>> BUT we had some power issues last night and the modem resynced 3 times in an hour.

Damn - that wont help :/

>> He did mention that my Noise Margin was alittle low and got that changed slightly.

Puzzled on that remark - your SNRM was perfectly fine on the stats that you provided.
May be worthwhile grabbing a copy of routerstats and setting it up to monitor your SNRM over the course of a day.

Can you also do another BT performance test to see what results that gives you and also your IPprofile please.
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