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Amunre
Aspiring Expert
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Message 1 of 14

BB excruciatingly slow after clearance of exchange fault.

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Following a combined network outage and equipment fault at local exchange, an Openreach techie visited and restored service (phone service was OK throughout). However since clearance of fault, speed as been very very slow, so much so that web pages with extensive graphics including BT.com have timed out. Is this sort of thing normal? I am led to believe that my speed would return to normal after a couple of days. Is this so?

Due to a long rural line I don't have very fast speeds in normal times.

Thanks for any advice

John F

“Dogs come when they're called; cats take a message and get back to you later.”
Mary Bly
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imjolly
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Message 2 of 14

Re: BB excruciatingly slow after clearance of exchange fault.

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can you post stats from your router and also run btspeedtester and when first test completes then run diagnostic test and post results 

 



btspeedtester



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Amunre
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Message 3 of 14

Re: BB excruciatingly slow after clearance of exchange fault.

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Thanks for quick response.

Have BT Business Hub 3 (not 4) and unsure of how to get stats.

Have run BTW speed test results as follows:

Test 1

Download 0.24

Upload 0.33

Ping latency 64.50

Test 2

Download 0.24

Upload 0.33

Ping latency 50.88

 

Diagnostic check failed

The Performance Tester is currently unable to run a speed test for your broadband connection. Please try again shortly, however if this problem persists, raise the issue with your service provider.

 

Have used different browsers throughout this sorry saga and only very marginal improvement using Chrome over Microsoft Edge. (Windows 10)

John F

 

“Dogs come when they're called; cats take a message and get back to you later.”
Mary Bly
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john46
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Message 4 of 14

Re: BB excruciatingly slow after clearance of exchange fault.

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to get stats enter 192.168.1.254 into you browser address bar and follow the instructions
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imjolly
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Message 5 of 14

Re: BB excruciatingly slow after clearance of exchange fault.

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try

 

From http://192.168.1.254

Settings >
Advanced Settings >
Broadband >
Connection >
Click "Show Details" Button at the bottom



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Amunre
Aspiring Expert
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Message 6 of 14

Re: BB excruciatingly slow after clearance of exchange fault.

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Thank you.

ADSL Line Status
Connection Information
Line state:Connectedppp0_0
Connection time:1 days, 03:47:54
Downstream:384 Kbps
Upstream:448 Kbps
 
ADSL Settings
VPI/VCI:0/38
Type:PPPoA
Modulation:G.992.1 Annex A
Latency type:Interleaved
Noise margin (Down/Up):17.0 dB / 9.0 dB
Line attenuation (Down/Up):64.3 dB / 31.5 dB
Output power (Down/Up):15.6 dBm / 12.4 dBm
FEC Events (Down/Up):74070 / 941
CRC Events (Down/Up):1 / 267
Loss of Framing (Local/Remote):0 / 0
Loss of Signal (Local/Remote):0 / 0
Loss of Power (Local/Remote):0 / 0
HEC Events (Down/Up):0 / 199
Error Seconds (Local/Remote):1 / 136

 

John F

“Dogs come when they're called; cats take a message and get back to you later.”
Mary Bly
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imjolly
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Message 7 of 14

Re: BB excruciatingly slow after clearance of exchange fault.

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all the problems at the exchnage have resulted in your noise margin increasing to 17db causing a reduction in your conenction speed.  if you can maintain connection and with 3 days conenction time if noise margin has not started to reduce back to normal 6db rpost the stats and we can see if mods can help get noise margin down and speed up



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Amunre
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Message 8 of 14

Re: BB excruciatingly slow after clearance of exchange fault.

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Thanks, will keep an eye on things for next couple of days and repost if necessary.

“Dogs come when they're called; cats take a message and get back to you later.”
Mary Bly
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Amunre
Aspiring Expert
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Message 9 of 14

Re: BB excruciatingly slow after clearance of exchange fault.

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Re previous message.

 

No real improvement in speed as yet.

Current results are:

ADSL Line Status
Connection Information
Line state:Connectedppp0_0
Connection time:3 days, 03:05:53
Downstream:384 Kbps
Upstream:448 Kbps
 
ADSL Settings
VPI/VCI:0/38
Type:PPPoA
Modulation:G.992.1 Annex A
Latency type:Interleaved
Noise margin (Down/Up):16.7 dB / 9.0 dB
Line attenuation (Down/Up):64.3 dB / 31.5 dB
Output power (Down/Up):15.6 dBm / 12.4 dBm
FEC Events (Down/Up):185598 / 1685
CRC Events (Down/Up):3 / 561
Loss of Framing (Local/Remote):0 / 0
Loss of Signal (Local/Remote):0 / 0
Loss of Power (Local/Remote):0 / 0
HEC Events (Down/Up):8 / 410
Error Seconds (Local/Remote):3 / 275

 

BTW Speed test at approx 15:00

 

Download 0.25

Upload 0.35

Ping latency 44.88

 

As you can see, Noise Margin is down only slightly. Should I give it a day or so longer before further action needed?

 

John f

“Dogs come when they're called; cats take a message and get back to you later.”
Mary Bly
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DavidM
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Message 10 of 14

Re: BB excruciatingly slow after clearance of exchange fault.

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Hi Amrune,

 

The attenuation shows you're on a very long line which can take longer to recover. Try leaving it for a few more days and let us know how you get on.

 

Cheers

 

David

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