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    Dropping Internet connection

    This is a discussion on Dropping Internet connection within the Wireless / Adapters forums, part of the Sky Broadband help category; ADSL Link Downstream Upstream Connection Speed 4832 kbps 448 kbps Line Attenuation 41.0 db 26.0 db Noise Margin 5.8 db ...

    1. #1
      dancingdog777's Avatar
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      Dropping Internet connection

      ADSL Link Downstream Upstream
      Connection Speed 4832 kbps 448 kbps
      Line Attenuation 41.0 db 26.0 db
      Noise Margin 5.8 db 24.0 db


      Hi, After 4 weeks on this Sky service (Mid) I'm still having problems.

      To date I've turned off UPnP, run the TCP Optimiser, and run Mossywell's Bounce Sky Router, but the modem still keeps on losing the signal. I'm connected using the yellow ethernet cable, & have tried another one without any difference, the modem stands on the feet supplied on it's end. I also tried that trick to get the noise figure higher but that didn't work.

      I cannot connect to the BT master socket Test plug because we don't have one. All our BT sockets look the same and there isn't a master with a plate with two screws in it.

      The frustration is compounded because I need the wireless router connected so my kids can use their computer via the wireless link. Every 10 minutes or so they shout, "Dad, the internet's not working again !" When they're not using it, I breathe a sigh of relief because I can switch over to my Thomson Speed Touch 330 USB modem and use that instead, because it works faultlessly and retains the internet signal.

      Like so many others I switched to Sky because we already had the satelite TV service and because it was only an extra fiver a month, as opposed to the previous ISP I used, Virgin.net, which cost 14.99 per month, with a 3GB d/l limit per month and a line speed of 1 Mbps.

      Frankly, I wish I hadn't moved over. I'm so disapointed.
      Last edited by dancingdog777; 13-03-07 at 08:25 PM.


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    3. #2
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      Re: Dropping Internet connection

      You're on Mid? Your profile says you are on Connect.

      If you are on Connect then personally I don't think you should use (or need to use) Mossywell's utility as Connect uses an exchange based rate adaption process. Similarly, the noise margin should be sorted by this process. If you are having disconnection problems with Connect then you must take this up with Sky who will pass this to BT.

      If in fact you are on Mid then I suggest you use Mognut's utility (see Tech forum sticky) to do two things: extract your detailed stats and post them for review; set your noise margin to around 10-12db and see if this stops the disconnections.

    4. #3
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      Jas
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      Angry Re: Dropping Internet connection

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: INTR, Upstream rate = 416 Kbps, Downstream rate = 7040 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 7.3 14.0
      Attn(dB): 35.0 23.0
      Pwr(dBm): 19.7 0.9
      Max(Kbps): 7648 1248
      Rate (Kbps): 7040 416
      G.dmt framing
      K: 221(0) 14
      R: 16 16
      S: 1 16
      D: 64 8
      ADSL2 framing
      MSGc: 1 1
      B: 221 14
      M: 1 16
      T: 1 1
      R: 16 16
      S: 1.0720 17.0666
      L: 1776 120
      D: 64 8
      Counters
      SF: 2292 2290
      SFErr: 0 0
      RS: 155904 9732
      RSCorr: 0 0
      RSUnCorr: 0 0

      HEC: 0 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 648353 0
      Data Cells: 311 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 0 0
      SES: 0 0
      UAS: 20 0
      Total time = 1 min 6 sec
      SF = 2292
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Latest 1 day time = 1 min 6 sec
      SF = 2292
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Latest 15 minutes time = 1 min 6 sec
      SF = 2292
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 15 minutes time = 0 sec
      SF = 0
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 1 day time = 0 sec
      SF = 0
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0

      Saturday shall i set mine to 10-12db permantely because i also get disconnected every 20 mins its so frustrating!!

    5. #4
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      Re: Dropping Internet connection

      Quote Originally Posted by Saturday View Post
      You're on Mid? Your profile says you are on Connect.

      If you are on Connect then personally I don't think you should use (or need to use) Mossywell's utility as Connect uses an exchange based rate adaption process. Similarly, the noise margin should be sorted by this process. If you are having disconnection problems with Connect then you must take this up with Sky who will pass this to BT.
      Sorry, just looked at the welcome letter from Sky which says Connect.

      I've asked Sky, I've phoned Sky, I've e-mailed Sky, with this tale of woe but they refuse to do anything! I may as well be talking to a brick wall!

      It was because Sky refused to help that I tried Mosseywell's Bouncer. Short of sueing Sky I can't think what to do to get an ordinary broadband connection that works. The stupid thing is that I'm only 1 Km away from the local BT exchange.
      Last edited by dancingdog777; 13-03-07 at 09:10 PM.

    6. #5
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      Re: Dropping Internet connection

      Quote Originally Posted by Jas View Post
      Saturday shall i set mine to 10-12db permantely because i also get disconnected every 20 mins its so frustrating!!
      Regular disconnections (often every 16 minutes) strongly suggests the UPnP bug. To solve this log into the router, go to UPnP, untick the box, click apply, reboot router and PC. If not that then the next thing to check is that your router isn't overheating. It needs to be mounted on the supplied feet.

      Pushing your noise margin up should only be done when either your line is generating a lot of errors which can't be removed (in effect that's much the same as Sky capping you), or when you are suffering with a falling noise margin (typically this happens in the evenings). I can't really comment on your line as your stats don't cover a long enough period/traffic.

      Try the UPnP thing first. If that doesn't fix it post your stats covering a longer period plus details of your physical connection.

    7. #6
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      Re: Dropping Internet connection

      Quote Originally Posted by dancingdog777 View Post
      I've asked Sky, I've phoned Sky, I've e-mailed Sky, with this tale of woe but they refuse to do anything! I may as well be talking to a brick wall!
      That's just not good enough. I'm really sorry to hear that.

      You will have to persevere. Raise a formal complaint. Emails addressed to James Murdoch normally get a reasonable response.

      Good luck.

    8. #7
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      Re: Dropping Internet connection

      Hey thanks Saturday.

      I actualy got a positive reply from them today -see below.

      I'll see if this one's any good then may use Murdoch's address.

      *****
      Thank you for contacting Sky Broadband Technical Support.

      I will be getting back in contact wit h you later on this evening to discuss the problems that you are havi ng.


      Kind Regards


      Stephen

    9. #8
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      Re: Dropping Internet connection

      Well he rang and we went thru and changed certain router settings, but it kept crashing afterwards, so although he was so kind and helpful I'm still at the same point as yesterday.

      Thank The Lord I've got a Speed Touch 330 which does work!

    10. #9
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      Re: Dropping Internet connection

      I spoke too soon!
      The router modem had an almighty crash and wouldn't start up again so I had to push the reset button on the router and do a full factory reset. When it started working again, I went back to the router set up page and turned off the UPnp again and something he suggested, switch off the DHCP. I also dumped my AVG Free antivirus program in favour of Norton, and installed a low loss broadband extension cable from my BT socket.
      One or more of those has resulted in a rock solid signal that refuses to drop!
      These are my stats now:
      ADSL Link Downstream Upstream
      Connection Speed 3968 kbps 448 kbps
      Line Attenuation 41.0 db 25.0 db
      Noise Margin 6.1 db 23.0 db

      I know the connection speed looks a bit low but the actual download speed of a big file is around 235 kbps which I'm happy about.

    11. #10
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      Re: Dropping Internet connection

      Just "operated" on my BT sockets and here are my latest stats..
      CRCs are right down! Yesterday they were showing about 54,000 but now they're in single figures!
      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: INTR, Upstream rate = 448 Kbps, Downstream rate = 4288 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: OFF
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 6.6 22.0
      Attn(dB): 41.0 25.0
      Pwr(dBm): 19.4 11.8
      Max(Kbps): 4704 1092
      Rate (Kbps): 4288 448
      G.dmt framing
      K: 135(0) 15
      R: 12 16
      S: 1 8
      D: 16 2
      ADSL2 framing
      MSGc: 1 1
      B: 135 15
      M: 1 8
      T: 1 1
      R: 12 16
      S: 1.0882 9.0000
      L: 1088 128
      D: 16 2
      Counters
      SF: 66574 66572
      SFErr: 6 0
      RS: 4527064 565862
      RSCorr: 1333243 0
      RSUnCorr: 65 0

      HEC: 4 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 11447559 0
      Data Cells: 799349 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 7 0
      SES: 3 0
      UAS: 19 0
      Total time = 19 min 22 sec
      SF = 66574
      CRC = 6
      LOS = 5
      LOF = 0
      ES = 7
      Latest 1 day time = 19 min 22 sec
      SF = 66574
      CRC = 6
      LOS = 5
      LOF = 0
      ES = 7
      Latest 15 minutes time = 4 min 22 sec
      SF = 15468
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 15 minutes time = 15 min 0 sec
      SF = 51106
      CRC = 6
      LOS = 5
      LOF = 0
      ES = 7
      Previous 1 day time = 0 sec
      SF = 0
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0

     

     

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