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Author Topic: Line stats. What do you make of them. I am considering replacing my old BT Voyag  (Read 18094 times)

Gummby

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Do you know why Plusnet can install FTC services so cheaply??

It's an 18-month contract, so the startup costs are spread over that period.

I wondered about that but they are also £5 cheaper a month but I doubt they offer a fixed IP address or other services like website space. Let's see if the FTTC is actually ready for Dec 31. It has been delayed by 3 months already. I am not expecting openreach to rush to reach my flat. Perhaps vispa should offer 18 months contracts if it reduces installation fees. Then more might upgrade.  ;)

In terms of upgrading if an engineer replaced my BT socket cover would that make it already compatible with FTTC? I know they have to do a number of checks in the home and at the exchange.

@ HP - I have run that lil software package. Seemed quicker on the start. I wonder if the not responding browser is down to installed add ons. Need to keep playing with this. I did play with some settings a month or so back to fix an email issue.



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kitz

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>>> When you ask 'have you adjusted your ISP settings accordingly',

Many ISP's have their own profiles which they place on the account which matches the profile set by BTw.  Plusnet is one ISP who are very open that they do this. Im unsure if Vispa do or not.

>>> Also, your upload is capped as you are on a residential product,

Fair enough, if thats their product set. 
Many ISP's will give their customers the full 'upto' 1Mb upstream (which usually syncs @ around 832) when on adsl 2+ and dont cap it at 443.

>> IP Profile for your line is - 14690 Kbps

Thats looking good, it means the DLM is seeing you sync in the 16Mbps region...  and your actual through put speeds should be around 14Mbps.


>>> Download speedachieved during the test was - 7424 Kbps

Hmmmm....  thats still looking more like 8Mbps speeds to me.  :(
Obviously your speeds can vary during different times of the day, depending upon how busy the ISP pipes are.  Early morning is usually a good time to test.
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How to get your router line stats :: ADSL Exchange Checker

kitz

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>> I doubt they offer a fixed IP address or other services like website space.

It depends on which product you get.  I used to have static IP and free CCGI webspace when I was with them... although I believe the freebie webspace may not be available now.

Saying that though I can recommend a very good web hosting company that will give you a free domain and web hosting from just £17pa. 

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How to get your router line stats :: ADSL Exchange Checker

Gummby

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Tried it again. I know not the morning yet!

Actually halved!!!  :o :o :o

Download speedachieved during the test was - 3862 Kbps
 For your connection, the acceptable range of speeds is 4000-21000 Kbps.
 Additional Information:
 Your DSL Connection Rate :16650 Kbps(DOWN-STREAM), 443 Kbps(UP-STREAM)
 IP Profile for your line is - 14690 Kbps

2. Upstream Test: -provides background information.

   Upload Speed
   361 Kbps
    
0 Kbps   443 Kbps
Max Achievable Speed

>Upload speed achieved during the test was - 361 Kbps
 Additional Information:
 Upstream Rate IP profile on your line is - 443 Kbps


 :'
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Gummby

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>> I doubt they offer a fixed IP address or other services like website space.

It depends on which product you get.  I used to have static IP and free CCGI webspace when I was with them... although I believe the freebie webspace may not be available now.

Saying that though I can recommend a very good web hosting company that will give you a free domain and web hosting from just £17pa.

I did try Plusnet online advisor. Yeah they do offer a fixed IP address. To be honest I am not sure I have ever used mine with Vispa. Could use it for a server or stuff I guess?? Need to look into what these are for. Gaming?? Servers?? hmmm.

The sync speed does look good but the speed is simply still not there for some reason. I am about 1.29 miles from my exchange by road. Who knows which end of the loop I am on.

Still got not sure why I am so slow. It could just be I have a weak line? Or I am secretly downloading stuff and I am not aware of it. Hmmmm.
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kitz

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>>> Who knows which end of the loop I am on.

The far end!   - Sorry Will couldnt resist that.  :-[


>> It could just be I have a weak line?

As I said earlier..  post your line stats again..   so we can look at the errors which should be able to tell us.

From what I can see so far.. no its looking ok... but really need to see if any errors are being recorded. Due to the fact that you havent so far seen any speeds over 8Mb, im not yet ruling out a cap somewhere..  ISP contention could also be in there too.

>> I am secretly downloading stuff and I am not aware of it.

If I want to rule out that possibility I usually install the freebie Netmeter.
http://www.metal-machine.de/readerror/

then go to a site like
http://www.btopenworld.com/speedtest  and download the large 15Mb file ... and see what speed netmeter shows your throughput as.

When you do that test make sure that its only your PC thats connected to the router... and this will show you what your real-time speed coming into your network is.


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How to get your router line stats :: ADSL Exchange Checker

Gummby

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Okay stats again from modem:

Statistics -- xDSL

Mode:   ADSL_2plus
Traffic Type:   ATM
Status:   Up
Link Power State:   L0
 
    Downstream   Upstream
Line Coding(Trellis):   On   On
SNR Margin (0.1 dB):   66   292
Attenuation (0.1 dB):   305   159
Output Power (0.1 dBm):   0   126
Attainable Rate (Kbps):   18576   1136

    Path 0       Path 1   
    Downstream   Upstream   Downstream   Upstream
Rate (Kbps):   16651   443   0   0
 
MSGc (# of bytes in overhead channel message):   60   12   0   0
B (# of bytes in Mux Data Frame):   254   13   0   0
M (# of Mux Data Frames in FEC Data Frame):   1   1   0   0
T (Mux Data Frames over sync bytes):   2   4   0   0
R (# of check bytes in FEC Data Frame):   0   0   0   0
S (ratio of FEC over PMD Data Frame length):   0.4890   0.9911   0.0   0.0
L (# of bits in PMD Data Frame):   4171   113   0   0
D (interleaver depth):   1   1   0   0
Delay (msec):   0.12   0.24   0.0   0.0
INP (DMT symbol):   0.0   0.0   0.0   0.0
 
Super Frames:   0   0   0   0
Super Frame Errors:   91339   0   0   0
RS Words:   0   0   0   0
RS Correctable Errors:   0   0   0   0
RS Uncorrectable Errors:   0   0   0   0
 
HEC Errors:   131493   0   0   0
OCD Errors:   167   0   0   0
LCD Errors:   167   0   0   0
Total Cells:   452264624   126354254   0   0
Data Cells:   18662437   1399316   0   0
Bit Errors:   0   0   0   0

 
Total ES:   5422   0
Total SES:   1649   0
Total UAS:   35   35


Will try the other 2 things after work.

Did a BT speed test this am and got pretty much 8mb speed. Hmmmm.
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kitz

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Not sure how long that line has been up when you took those stats, but there are quite a lot of HEC errors and Errored seconds, which indicates that there is a possible slight problem on that line at times.   

This could be due to "normal SNRM" dipping in the evenings... but this could/will be why your connection seems sluggish and unresponsive at times.

That said..  I am not too worried about that just at present, because your line has just reset and the DLM will still be monitoring and its early days. 
You still appear to be on the default SNR Margin of 6dB and its not yet turned on interleaving.  Interleaving is normally one of the first steps that the DLM will activate to try and stabilise a line, I would not be too surprised if interleaving is switched on over the next few days if the HEC errors + ES + UAS continue.

The info gives us a little bit of a picture of what is happening on your line.. I must re-iterate at present Im not too concerned because your line may be one of those that perhaps needs a slightly higher SNRM to cope with normal day to day variations.  When you get things like SES's and UAS's then you are likely to see 'pauses' when you are doing things like browsing.  Theres a full explanation of what they mean here:- line stat errors.  The DLM will at some point adjust accordingly to try and compensate.

If I were you though, I would be using something like routerstats to monitor the SNR on your line.  This graphs your SNRM over periods of times and provides a good snapshot of your line.  Its an invaluable tool for self diagnostic of adsl issues...  and helps show what the DLM will be seeing.

Welcome to the wonderful world of adsl... and just how geeky it can get!


----
btw..  the above is not related to you not appearing to be able to get over 8Mbps.  The indications are there, that at least some of the time you should be able to get throughput speeds of around 14Mbps.


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How to get your router line stats :: ADSL Exchange Checker

Gummby

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>>> Who knows which end of the loop I am on.

The far end!   - Sorry Will couldnt resist that.  :-[



Cheers for that. lol

In terms of DSl there is clearly a lot for me to learn. I will have a look at that tool when I get a chance. Only just back from work. Knackered!!

I think we should allow the line a few more days to mature. :)

Oh my latest BT speed tech cam in at 8024mb speed? That seems almost too exact.
« Last Edit: October 26, 2011, 09:06:16 PM by Gummby »
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Gummby

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If I want to rule out that possibility I usually install the freebie Netmeter.
http://www.metal-machine.de/readerror/

then go to a site like
http://www.btopenworld.com/speedtest  and download the large 15Mb file ... and see what speed netmeter shows your throughput as.

When you do that test make sure that its only your PC thats connected to the router... and this will show you what your real-time speed coming into your network is.

Reached a max of 1.43mb/s on net meter. That seems rubbish.

On a plus side the net reader seems to be at 0mbs when i am doing nothing.
« Last Edit: October 26, 2011, 09:18:55 PM by Gummby »
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Gummby

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That said..  I am not too worried about that just at present, because your line has just reset and the DLM will still be monitoring and its early days. 
You still appear to be on the default SNR Margin of 6dB and its not yet turned on interleaving.  Interleaving is normally one of the first steps that the DLM will activate to try and stabilise a line, I would not be too surprised if interleaving is switched on over the next few days if the HEC errors + ES + UAS continue.


Router stat still shows 6db! Hmmmm.
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kitz

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Reached a max of 1.43mb/s on net meter. That seems rubbish.

Double check that figure.  Check the options in NetMeter.  Ensure its set at kbps and NOT kB/Sec

1.43 MB/sec =  11.44Mbps = 11715 kbps

(1.43*8*1024)

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Gummby

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Quote
Reached a max of 1.43mb/s on net meter. That seems rubbish.

Double check that figure.  Check the options in NetMeter.  Ensure its set at kbps and NOT kB/Sec

1.43 MB/sec =  11.44Mbps = 11715 kbps

(1.43*8*1024)


4 options.

kibibyte (1kiB=1024bytes)
kilobyte (1 kb=1000 bits)
kibbit  (1 kibit=1024 bytes)
kilobit (1kb = 1000 bit)

Which one to choose on Net meter???
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jeffbb

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Hi
quote
 kibibyte (1kiB=1024bytes)
kilobyte (1 kb=1000 bits) Bytes
kibbit  (1 kibit=1024 bytes)bits
kilobit (1kb = 1000 bit)
slightly wrong got your bits and bytes mixed up

you can use any as long as you understand that 8bits = 1 byte
Byte  is the normal report from download software ,Kilo or Meg  (windows update etc )

speed testers report in Bits  ,Kilo bits ,Mega bits

Unfortunately there seems to be no definite application of 1000 or 1024 bits for Kilo

Technically should be 1024 . But in real terms the difference is not important
Regards Jeff 

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Gummby

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So the BT 15 MB download is shown as 1.52mib on net meter. Now is that in megab bits ot bte or something else.  ???
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