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    Dropping Connection - Annoyed

    This is a discussion on Dropping Connection - Annoyed within the Sky Broadband help forums, part of the Sky Broadband help and support category; Hello, I've lurked around this site for a while now, but now i'm at the end of my tether with ...

    1. #1
      seasider's Avatar
      seasider is offline Sky User Member
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      Dropping Connection - Annoyed

      Hello,

      I've lurked around this site for a while now, but now i'm at the end of my tether with sky broadband.
      I'm on max and i've had nothing but trouble with my connection grinding to a halt, especially on an evening.
      I'm having to reboot my modem 3 and 4 times in a couple of hourse surfing, and it's really doing my swede in.
      My noise thingy drops from about 6.8db to 4 and lower.
      I'm 700 metres from the exchange.
      uPNP is disabled.

      I'll happily post any stats you want if anyone can help me

      Thanks


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    3. #2
      rakesh27's Avatar
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      Re: Dropping Connection - Annoyed

      Dude,

      I used to have the same problem, when i first got connected the first week perfect then there after dropping connection every 5mins, really got ******.

      I checked everything even checked cabling, filters, got a new router from sky, even tested on the main socket still had the problem.

      Maker sure you have done all these things, have you added anything new where you are. In the end i spoke to someone at Tier 3 saying i was getting high errors so he moved me from ADSL2+ to G_DMT 8mbps which is perfect no more errors and it doesnt drop at all (touch wood).

      Im still downloading at the same speed as before even better sometimes, i know ADSL2+ supports faster speeds but it might not be stable in some cases. Anyways check everything, test in main socket, post your stats here for someone to look at. If all fails you could consider moving to G_DMT, i find alot better even thought im only 990 meters from my exchange anything could effect my line.

      Good luck, i hope you get it sorted.

    4. #3
      IWasNotTheEnemy's Avatar
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      Re: Dropping Connection - Annoyed

      ^ wouldn't have your phone number on full view dude.....never know who might start pranking you!!

    5. #4
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      Re: Dropping Connection - Annoyed

      Quote Originally Posted by seasider View Post
      Hello,

      I've lurked around this site for a while now, but now i'm at the end of my tether with sky broadband.
      I'm on max and i've had nothing but trouble with my connection grinding to a halt, especially on an evening.
      I'm having to reboot my modem 3 and 4 times in a couple of hourse surfing, and it's really doing my swede in.
      My noise thingy drops from about 6.8db to 4 and lower.
      I'm 700 metres from the exchange.
      uPNP is disabled.

      I'll happily post any stats you want if anyone can help me

      Thanks
      Have you tried your test socket behind the face plate of the master socket? For us to have any idea of whats going on we would need your full stats, see the proceedure below.

      Go to the utility web site: Sky Netgear DG834GT utility version 0.4
      Click the “Get” detailed modem stats button and click “OK”.
      Enter the router login user name and password.
      At the next screen, click the back button on your browser.
      Click the “Download” netgear.cfg button.
      What you do next depends on your operating system. On Windows XP, click the “Save” button to save the file to your hard disk. (If you click “Open”, you may find that the file association is one that doesn’t handle carriage returns the same way as the router, hence the reason for saying “Save”.)
      Open the file in WordPad (not notepad).

    6. #5
      seasider's Avatar
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      Re: Dropping Connection - Annoyed

      tried the master socket briefly but didn't see too much difference. would have to do a longer experiment with it.

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: FAST, Upstream rate = 764 Kbps, Downstream rate = 9820 Kbps
      Link Power State: L0
      Mode: ADSL2+
      Channel: Fast
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 6.2 12.5
      Attn(dB): 38.0 23.4
      Pwr(dBm): 1.3 12.4
      Max(Kbps): 9928 864
      Rate (Kbps): 9820 764
      G.dmt framing
      K: 243(0) 24
      R: 12 16
      S: 1 8
      D: 64 8
      ADSL2 framing
      MSGc: 76 68
      B: 242 23
      M: 1 8
      T: 1 1
      R: 12 16
      S: 0.7885 7.7037
      L: 2587 216
      D: 64 8
      Counters
      SF: 186470 186468
      SFErr: 777 1
      RS: 15290568 1584978
      RSCorr: 2872909 2
      RSUnCorr: 1538 0

      HEC: 640 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 69826984 5410962
      Data Cells: 240250 32857
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 157 1
      SES: 30 0
      UAS: 14 16
      Total time = 50 min 34 sec
      SF = 186470
      CRC = 777
      LOS = 30
      LOF = 0
      ES = 157
      Latest 1 day time = 50 min 34 sec
      SF = 186470
      CRC = 777
      LOS = 30
      LOF = 0
      ES = 157
      Latest 15 minutes time = 5 min 34 sec
      SF = 20657
      CRC = 37
      LOS = 5
      LOF = 0
      ES = 29
      Previous 15 minutes time = 15 min 0 sec
      SF = 55725
      CRC = 721
      LOS = 7
      LOF = 0
      ES = 103
      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 = 55601
      CRC = 12
      LOS = 13
      LOF = 0
      ES = 17
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 54487
      CRC = 7
      LOS = 5
      LOF = 0
      ES = 8

    7. #6
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      Re: Dropping Connection - Annoyed

      Your CRC errors are high and SNR is low, I would plug into the test socket run for an evening then post the stats again, CRC errors and low SNR can cause your type of issue.

    8. #7
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      Re: Dropping Connection - Annoyed

      Quote Originally Posted by Koala5 View Post
      Your CRC errors are high and SNR is low, I would plug into the test socket run for an evening then post the stats again, CRC errors and low SNR can cause your type of issue.

      Okay mister will do tomorrow

    9. #8
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      Re: Dropping Connection - Annoyed

      ran all night via the master socket.

      had to reboot once, rather than 5 times.....

      stats as follows:-

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: FAST, Upstream rate = 764 Kbps, Downstream rate = 12310 Kbps
      Link Power State: L0
      Mode: ADSL2+
      Channel: Fast
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 7.1 12.5
      Attn(dB): 38.0 23.5
      Pwr(dBm): 896.0 12.4
      Max(Kbps): 12360 864
      Rate (Kbps): 12310 764
      G.dmt framing
      K: 241(0) 24
      R: 14 16
      S: 1 8
      D: 64 8
      ADSL2 framing
      MSGc: 97 68
      B: 240 23
      M: 1 8
      T: 1 1
      R: 14 16
      S: 0.6238 7.7037
      L: 3270 216
      D: 64 8
      Counters
      SF: 107234 107232
      SFErr: 4 1
      RS: 11045164 911472
      RSCorr: 175610 553648128
      RSUnCorr: 67 0

      HEC: 4 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 50019692 3090413
      Data Cells: 102828 19224
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 4 1
      SES: 1 0
      UAS: 14 16
      Total time = 29 min 2 sec
      SF = 107234
      CRC = 4
      LOS = 1
      LOF = 0
      ES = 4
      Latest 1 day time = 29 min 2 sec
      SF = 107234
      CRC = 4
      LOS = 1
      LOF = 0
      ES = 4
      Latest 15 minutes time = 14 min 2 sec
      SF = 52466
      CRC = 4
      LOS = 0
      LOF = 0
      ES = 3
      Previous 15 minutes time = 15 min 0 sec
      SF = 54768
      CRC = 0
      LOS = 1
      LOF = 0
      ES = 1
      Previous 1 day time = 0 sec
      SF = 0
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0

    10. #9
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      Re: Dropping Connection - Annoyed

      Quote Originally Posted by seasider View Post
      Hello,

      I've lurked around this site for a while now, but now i'm at the end of my tether with sky broadband.
      I'm on max and i've had nothing but trouble with my connection grinding to a halt, especially on an evening.
      I'm having to reboot my modem 3 and 4 times in a couple of hourse surfing, and it's really doing my swede in.
      My noise thingy drops from about 6.8db to 4 and lower.
      I'm 700 metres from the exchange.
      uPNP is disabled.

      I'll happily post any stats you want if anyone can help me

      Thanks
      Your line needs to be capped, end of!

      Had the exact same problem as you, worked fine all day but in the evenings my snr would fall below 5! By capping your line at a lower sync your snr margin will raise, so you will find in the days you have a high snr reading and in the evening it will fall but not enough to interupt your connection!

      snr levels can drop for a number of reasons, weather, more users online in the evening which creates more noise on the line etc....

    11. #10
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      Re: Dropping Connection - Annoyed

      Quote Originally Posted by seasider View Post
      ran all night via the master socket.
      ES = 0
      Two points:-

      1. Can you confirm that when you say "master socket" you mean the test socket which is accessed by removing the lower half of the faceplate from your master socket. (If not then you need to repeat using the test socket)

      2. If you have already tried the test socket, you can achieve (more-or-less) the same thing as capping by using the Mognuts utility to set your target noise margin to a higher value than the 7 dB default (e.g. 14 dB). This will give you a lower connection speed, but a stable connection. You may need to experiment a bit to find the best value. This has the advantage that it is completely under your control (I believe capping by Sky can be over-aggressive), but you will have to repeat the procedure if ever you power-off your router.
      Useful Links
      Download RouterStats (useful utility for continuously recording noise margin)

     

     
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