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    Horrendously slow downloads.

    This is a discussion on Horrendously slow downloads. within the Sky Broadband help forums, part of the Sky Broadband help and support category; Hi, I don't understand why this is! I currently have the Max package, but have a problem with very very ...

    1. #1
      happyboyruss's Avatar
      happyboyruss is offline Sky User Member
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      Horrendously slow downloads.

      Hi,

      I don't understand why this is!

      I currently have the Max package, but have a problem with very very slow downloads, I'm lucky to break 100kbps.

      My router stats are as so:

      Port Status TxPkts RxPkts Collisions Tx B/s Rx B/s Up Time
      WAN PPPoA 280931 427447 0 416 4501 28:05:07
      LAN 10M/100M 4335 0 0 7 0 28:06:28
      WLAN 11M/54M/108M 433943 304895 0 4567 462 28:06:18

      ADSL Link Downstream Upstream
      Connection Speed 15061 kbps 764 kbps
      Line Attenuation 14.0 db 8.1 db
      Noise Margin 5.4 db 13.5 db

      And Broadband Max says I have this:

      Download Speed: 12790 kbps
      Upload Speed: 635 kbps

      But like I said, downloading from anywhere gives a maximum of 100kbps.

      I've TCPOptimised my machine and no improvement was noticed.

      I'm connected via wireless, but patching a cable into the router gave the same speeds.

      I'm well and truly stumped.

      Any help would be greatly appreciated.

      Russ.


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    3. #2
      SatDish's Avatar
      SatDish is offline Site Founder
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      Re: Horrendously slow downloads.

      i would say your noise margine is a bit on the low side, try rebooting your router
      "To help would be a great adventure"

    4. #3
      The Doctor's Avatar
      The Doctor is offline Skyuser Member
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      Re: Horrendously slow downloads.

      More than likely judging by your noise margin and speed test, that it in sync at 15mb but has alot of errors on the line causing an issue.

      try posting some extended stats using the free tool posted about here somewhere and then we can see where to go from there. I assume you have allready phoned and had a ticket raised for slow connection?

    5. #4
      zub's Avatar
      zub
      zub is offline Sky User Member
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      Re: Horrendously slow downloads.

      Sky Netgear DG834GT utility version 0.4

      try fixing the problem yourself first because if you phone them up, more likely than not, all they'll do is capp your line down to a lower speed. Trust me thats what happened to me and i used to get 10mb stable, once i phoned and asked if anything else could be done to the line to improve stability/speed, they capped me at 8meg without warning and now refuse to uncap me! so beware.

    6. #5
      happyboyruss's Avatar
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      Re: Horrendously slow downloads.

      Extended stats as required:

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: FAST, Upstream rate = 764 Kbps, Downstream rate = 15061 Kbps
      Link Power State: L0
      Mode: ADSL2+
      Channel: Fast
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 5.6 13.0
      Attn(dB): 14.0 8.1
      Pwr(dBm): 1.3 12.4
      Max(Kbps): 15064 864
      Rate (Kbps): 15061 764
      G.dmt framing
      K: 239(0) 24
      R: 16 16
      S: 1 8
      D: 64 8
      ADSL2 framing
      MSGc: 58 68
      B: 238 23
      M: 1 8
      T: 2 1
      R: 16 16
      S: 0.5067 7.7037
      L: 4026 216
      D: 64 8
      Counters
      SF: 7707411 7707409
      SFErr: 1251 1
      RS: 986548644 65512976
      RSCorr: 165553796 92
      RSUnCorr: 4087 0

      HEC: 774 0
      OCD: 1 0
      LCD: 0 0
      Total Cells: 144515682 225254558
      Data Cells: 20818855 1640114
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 4860 1
      SES: 3757 0
      UAS: 14 16
      Total time = 1 days 10 hours 43 min 13 sec
      SF = 7707411
      CRC = 1251
      LOS = 3879
      LOF = 0
      ES = 4860
      Latest 1 day time = 10 hours 43 min 13 sec
      SF = 2380087
      CRC = 433
      LOS = 1243
      LOF = 0
      ES = 1578
      Latest 15 minutes time = 13 min 13 sec
      SF = 48897
      CRC = 9
      LOS = 23
      LOF = 0
      ES = 30
      Previous 15 minutes time = 15 min 0 sec
      SF = 55494
      CRC = 8
      LOS = 28
      LOF = 0
      ES = 35
      Previous 1 day time = 24 hours 0 sec
      SF = 5327324
      CRC = 818
      LOS = 2636
      LOF = 0
      ES = 3282
      15 minutes interval [-30 min to -15 min] time = 15 min 0 sec
      SF = 55494
      CRC = 5
      LOS = 31
      LOF = 0
      ES = 36
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 55495
      CRC = 8
      LOS = 22
      LOF = 0
      ES = 29
      15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
      SF = 55556
      CRC = 5
      LOS = 28
      LOF = 0
      ES = 31

    7. #6
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      Re: Horrendously slow downloads.

      Welcome to the forum

      Interesting stats

      Starting with CRC. These are high, not very,very bad but about twice the level I personally would say is acceptable. That's the good news.

      First off the bad is that your errored seconds are very high. Worst still your seriously errored seconds are pretty much at the same level.

      Next, you're getting superframe errors and that's unusual (and bad). All of the above is further adding up to a very high level of loss of signal.

      I hope you're getting the picture.

      As said previously, if you reported your problems to Sky you'd be lucky if they only capped you down to G.DMT and 8000kbps. Far better would be to treat the cause not the symptom. The cause is almost certainly noise on your line and this is where the good news comes in.

      Very often noise on lines is generated within the home from problems with wiring. The first thing you must do is avoid using an extension to connect your router. Second you should look to install a quality filtered faceplate to your master socket. You'll find lots of advice on the cabling and faceplate help forum. If you would like to see the probable impact of these changes before you make them then you can run a test. Connect your router directly to the test socket which you'll find behind the faceplate of your master socket (assuming you have an NTE5). Leave it running for an hour or two and then extract your stats again. You should see a big difference.

      One other thing. There are several strange things in your stats which make me wonder if there is something else going on as well. They could be explained by a poor extension. They could however also be caused by a faulty router cable. The test socket test will give more data on this.
      Last edited by Saturday; 10-02-07 at 10:00 AM.

     

     

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