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    Can download speed be improved?

    This is a discussion on Can download speed be improved? within the Speed tests and how to get better results forums, part of the Sky Broadband help and support category; Hi, Can anyone give any ideas on how to improve download speed with the following stats? Been on connect package ...

    1. #1
      tigwa's Avatar
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      Can download speed be improved?

      Hi,

      Can anyone give any ideas on how to improve download speed with the following stats?

      Been on connect package for a week and was told line could take 8mp.
      I'm 93m away from exchange, have tried connecting with test socket and increasing/decreasing RWIN with TCP optimizer all with no real improvement (download speed never above 2000kbps).
      connected via the ethernet not wireless


      Last Result:
      Download Speed: 1959 kbps (244.9 KB/sec transfer rate)
      Upload Speed: 386 kbps (48.3 KB/sec transfer rate)



      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: INTR, Upstream rate = 448 Kbps, Downstream rate = 8128 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 12.6 23.0
      Attn(dB): 7.0 6.0
      Pwr(dBm): 13.8 12.1
      Max(Kbps): 10144 1148
      Rate (Kbps): 8128 448
      G.dmt framing
      K: 255(0) 15
      R: 0 8
      S: 1 8
      D: 32 4
      ADSL2 framing
      MSGc: 1 1
      B: 255 15
      M: 1 8
      T: 1 1
      R: 0 8
      S: 1.0000 8.5000
      L: 2048 128
      D: 32 4
      Counters
      SF: 164730 164728
      SFErr: 0 0
      RS: 11201694 1400188
      RSCorr: 0 16
      RSUnCorr: 0 0

      HEC: 0 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 53699951 0
      Data Cells: 335262 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 0 0
      SES: 0 0
      UAS: 12 0
      Total time = 46 min 58 sec
      SF = 164730
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Latest 1 day time = 46 min 58 sec
      SF = 164730
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Latest 15 minutes time = 1 min 58 sec
      SF = 6940
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 15 minutes time = 15 min 0 sec
      SF = 52930
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 1 day time = 0 sec
      SF = 0
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      15 minutes interval [-30 min to -15 min] time = 15 min 0 sec
      SF = 52930
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 51930
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0

      Thanks in advance for any help you can give.


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    3. #2
      Lazarus's Avatar
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      Re: Can download speed be improved?

      Where are you downloading from?

      See what you get from here:

      Namesco BroadbandMax ADSL Broadband Bandwidth speedtest | Test your ADSL Broadband connection speed

      *Edit* Also there is a 10 day training period on connect where your speeds may vary, but looking at your stats I can't see how that would make much difference.
      Last edited by Lazarus; 23-03-07 at 10:41 PM.
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      ADSL Link..............Down .............Up
      Connection Speed..9215 kbps......606 kbps
      Line Attenuation... 20.0 db..........11.9 db
      Noise Margin........ 20.9 db..........22.0db

    4. #3
      Keiran2K8's Avatar
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      Re: Can download speed be improved?

      You seem to have excellent stats, I dont understand what could be causing the problem apart from a dodgey speed test

    5. #4
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      Re: Can download speed be improved?

      Thanks for the replies

      Lazarus - That is the site I'm using for the speedtest.

      Also note i'm on the exchange just up the road from you STFAWLY! Whats the sky service like in Hythe as have family and friends considering the switch to sky?

      Looks like i'm going to have to give sky a ring and see if they have any suggestions

    6. #5
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      Re: Can download speed be improved?

      Your connection speed is always reliant on the distance from the exchange. I'm lucky, pretty close to the exchange (530m acf). Saying that I've always had an excellent connection and not lost it once in 2 months now. I also happen to know a couple of engineers (sky and Bt) which can help.
      Asus P6T Deluxe - i7 920 @3.6GHz - 750GB Samsung F1 - 6GB OCZ Platinum 1600MHz - XFX GTX260 'Black Edition' - Tagan 1100W PSU - TT 'Big Water' 760i - Antec 1200 - Windows 7 64-bit - Ubuntu 9.04 64-bit

      ADSL Link..............Down .............Up
      Connection Speed..9215 kbps......606 kbps
      Line Attenuation... 20.0 db..........11.9 db
      Noise Margin........ 20.9 db..........22.0db

    7. #6
      tigwa's Avatar
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      Re: Can download speed be improved?

      Called sky and was put through to tier 2.

      Had a look at netstat and had 20 connections plus so he said difference between download speed and connetion speed is due to spyware etc!

      Just done full system av scan (nothing found) and installed and run spybot. re-ran netstat this has improved slightly but still have a number of localhost connections and speed test not affected?!

      Could anyone tell me if
      a) this is likely to be affecting download speed
      b) what are the localhost entries all about?
      c) is it worth going back to tier 2 to investigate further? afterall i'm only paying 5/month! and this is my only issue with the service at present?

      Thanks again

    8. #7
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      Re: Can download speed be improved?

      Download process explorer
      http://www.microsoft.com/technet/sys...sexplorer.mspx

      find the processes opening sockets and check who they are and delete these as necessary.

      Alternative, do a netstat -a and on task manager,process tab,then select view, select PID column, the PID in task manager will correspont with the netstat -a ouput PID, determine which program is running and opening the suspect ports.

    9. #8
      tigwa's Avatar
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      Re: Can download speed be improved?

      Still having no joy with improving my speed. Have spoken with Sky again only to be told if my router stats are showing 8128 then I'm downloading at 8mbs and the speed tests / download programes are incorrect!

      Well, I've spent some more time reading various posts on the forum and have now done the test at Test Result results are as follows:

      Test1 comprises of Best Effort Test: -provides background information.
      IP profile for your line is - 2000 kbps
      DSL connection rate: 448 kbps(UP-STREAM) 8128 kbps(DOWN-STREAM)
      Actual IP throughput achieved during the test was - 1825 kbps

      Am I correct in thinking that the reason why my speedtests never go above 2000kbps is due to the IP profile being set to low?

      Is there anything I can do to rectify this? if not is it something sky are likely to do something about or am i going to get fobbed off with more of the same?

      thanks.

    10. #9
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      Re: Can download speed be improved?

      I believe that Sky could get your IP profile changed, although I'm not entirely sure if they could do it themselves (I suspect Tier 3 may be able to do it) or whether they have to ask BT to do it for them.

      One thing that someone else has said worked for them, was to plug in another router. You shouldn't need the password and username because the router just has to synch with the exchange. This should force a resynch, hopefully at a higher rate for the new router. Once it has synched successfully with the exchange (leave it for an hour to be sure), plug the sky router back in. Because the router and the exchange now have different synch rates, it should force them to resynch again at the higher rate.

      Haven't tried it myself but it seems to makes sense.
      Asus P6T Deluxe - i7 920 @3.6GHz - 750GB Samsung F1 - 6GB OCZ Platinum 1600MHz - XFX GTX260 'Black Edition' - Tagan 1100W PSU - TT 'Big Water' 760i - Antec 1200 - Windows 7 64-bit - Ubuntu 9.04 64-bit

      ADSL Link..............Down .............Up
      Connection Speed..9215 kbps......606 kbps
      Line Attenuation... 20.0 db..........11.9 db
      Noise Margin........ 20.9 db..........22.0db

    11. #10
      Lazarus's Avatar
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      Re: Can download speed be improved?

      Further reading on the subject here:

      http://www.skyuser.co.uk/forum/speed...explained.html
      Asus P6T Deluxe - i7 920 @3.6GHz - 750GB Samsung F1 - 6GB OCZ Platinum 1600MHz - XFX GTX260 'Black Edition' - Tagan 1100W PSU - TT 'Big Water' 760i - Antec 1200 - Windows 7 64-bit - Ubuntu 9.04 64-bit

      ADSL Link..............Down .............Up
      Connection Speed..9215 kbps......606 kbps
      Line Attenuation... 20.0 db..........11.9 db
      Noise Margin........ 20.9 db..........22.0db

     

     

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