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    Intermittent connection

    This is a discussion on Intermittent connection within the Sky Broadband help forums, part of the Sky Broadband help and support category; I had a very solid download speed of 18mbit. Since yesterday, my speed dropped to 2mbit and has been fluctuating ...

    1. #1
      Vegeta's Avatar
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      Question Intermittent connection

      I had a very solid download speed of 18mbit. Since yesterday, my speed dropped to 2mbit and has been fluctuating and disconnecting every few minutes. The speed has been slowly going up after every hour or so. 24 hours later and the speed is now at 14mbit but I am still getting disconnected every few minutes. I have even rebooted the router a few times and it didn't help.

      Is this DLM or something else as I haven't had this many disconnects in the many years I've had Sky broadband. I've attached the router stats to the post.

      Router:

      Manufacturer Sagemcom
      Model Number F@ST2504n
      Firmware Version 6.14.2a4N_UNI
      ADSL Firmware Version A2pD035g.d23j1

      Thanks.
      Attached Thumbnails Attached Thumbnails Intermittent connection-clipboard02.jpg  


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    3. #2
      Vegeta's Avatar
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      Re: Intermittent connection

      The speed just changed again after a disconnect. Stats attached.
      Attached Thumbnails Attached Thumbnails Intermittent connection-clipboard01.jpg  

    4. #3
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      Re: Intermittent connection

      There are a few issues being reported in the south, Solent and Southdowns areas today. Do you live in this area?

      Sky Fibre Unlimited Pro: Connected at 80,000 kbps / 20,000 kbps
      Previous ADSL2+ Speed 19999 kbps 1153 kbps, Line Attenuation 17.5 db 6.9 db, Noise Margin 7.5 dB 8.7 dB
      Speedtest: 17.15MB/s 0.97Mb/s Ping 31 ms

    5. #4
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      Re: Intermittent connection

      I'm in the North West.

    6. #5
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      Re: Intermittent connection

      DLM doesn't make any profile changes in real time, it only does so in the early hours and only if it has kicked into profile optimisation (ie. if it's had time to react to the data collected showing your line as unstable).

      In your case, the frequent loss of sync and corresponding speed changes are due to noise being induced from somewhere. You have any issues with your landline at the moment? Noise or the like?

    7. #6
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      Re: Intermittent connection

      I did have some noise on my line yesterday but I've only heard it once, it's been fine since then.

    8. #7
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      Re: Intermittent connection

      Presume you've tried connecting the router to the test socket with a different filter and only the short grey dsl cable that Sky provided? If not, try that including changing to another filter and see if the connection is back to normal. If you have another Sky router lying around, try that as well as another dsl cable.

      If that's no different, then you want to ring Sky to see what action they want to take. Unfortunately, sometimes intermittent audible noise faults can be a nightmare. I couldn't advise what way I'd want to run the case without running tests that Sky have access to, in other words whether to treat the noise as a one off thing and treat as a broadband only fault. I'd definitely contact Sky if the above hasn't improved anything.

    9. #8
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      Re: Intermittent connection

      Yeah, I've tried the test socket, different microfilter and the Sky DSL cable and another DSL cable. I have yet to try another router.

      This is what happens in the router log when I lose my connection (this log is for 3 disconnections within 5 minutes):

      Jan 12 04:17:10 (none) syslog.emerg syslogd started: BusyBox v1.00 (2012.09.21-06:58+0000)
      Jan 12 04:27:58 (none) user.crit kernel: Line 0: ADSL link down
      Jan 12 04:27:59 (none) user.crit kernel: Line 0: xDSL G.994 training
      Jan 12 04:28:00 (none) daemon.crit syslog: Clear IP addresses. Connection DOWN.
      Jan 12 04:28:15 (none) user.crit kernel: Line 0: ADSL G.992 started
      Jan 12 04:28:19 (none) user.crit kernel: Line 0: ADSL G.992 channel analysis
      Jan 12 04:28:23 (none) user.crit kernel: Line 0: ADSL G.992 message exchange
      Jan 12 04:28:24 (none) user.crit kernel: Line 0: ADSL link down
      Jan 12 04:28:25 (none) user.crit kernel: Line 0: xDSL G.994 training
      Jan 12 04:28:41 (none) user.crit kernel: Line 0: ADSL G.992 started
      Jan 12 04:28:45 (none) user.crit kernel: Line 0: ADSL G.992 channel analysis
      Jan 12 04:28:50 (none) user.crit kernel: Line 0: ADSL G.992 message exchange
      Jan 12 04:28:51 (none) user.crit kernel: Line 0: ADSL link up, Bearer 0, us=1112, ds=14544
      Jan 12 04:29:15 (none) daemon.crit syslog: PPP LCP UP.
      Jan 12 04:29:15 (none) daemon.crit syslog: Received valid IP address from server. Connection UP.
      Jan 12 04:30:12 (none) user.crit kernel: Line 0: ADSL link down
      Jan 12 04:30:13 (none) daemon.crit syslog: Clear IP addresses. PPP connection DOWN.
      Jan 12 04:30:13 (none) daemon.crit syslog: Clear IP addresses. Connection DOWN.
      Jan 12 04:30:14 (none) user.crit kernel: Line 0: xDSL G.994 training
      Jan 12 04:30:29 (none) user.crit kernel: Line 0: ADSL G.992 started
      Jan 12 04:30:33 (none) user.crit kernel: Line 0: ADSL G.992 channel analysis
      Jan 12 04:30:38 (none) user.crit kernel: Line 0: ADSL G.992 message exchange
      Jan 12 04:30:39 (none) user.crit kernel: Line 0: ADSL link down
      Jan 12 04:30:40 (none) user.crit kernel: Line 0: xDSL G.994 training
      Jan 12 04:30:56 (none) user.crit kernel: Line 0: ADSL G.992 started
      Jan 12 04:31:00 (none) user.crit kernel: Line 0: ADSL G.992 channel analysis
      Jan 12 04:31:04 (none) user.crit kernel: Line 0: ADSL G.992 message exchange
      Jan 12 04:31:05 (none) user.crit kernel: Line 0: ADSL link up, Bearer 0, us=1112, ds=14061
      Jan 12 04:31:32 (none) daemon.crit syslog: PPP LCP UP.
      Jan 12 04:31:32 (none) daemon.crit syslog: Received valid IP address from server. Connection UP.
      Jan 12 04:32:06 (none) user.crit kernel: Line 0: ADSL link down
      Jan 12 04:32:07 (none) daemon.crit syslog: Clear IP addresses. PPP connection DOWN.
      Jan 12 04:32:07 (none) daemon.crit syslog: Clear IP addresses. Connection DOWN.
      Jan 12 04:32:08 (none) user.crit kernel: Line 0: xDSL G.994 training
      Jan 12 04:32:23 (none) user.crit kernel: Line 0: ADSL G.992 started
      Jan 12 04:32:27 (none) user.crit kernel: Line 0: ADSL G.992 channel analysis
      Jan 12 04:32:32 (none) user.crit kernel: Line 0: ADSL G.992 message exchange
      Jan 12 04:32:33 (none) user.crit kernel: Line 0: ADSL link down
      Jan 12 04:32:34 (none) user.crit kernel: Line 0: xDSL G.994 training
      Jan 12 04:32:50 (none) user.crit kernel: Line 0: ADSL G.992 started
      Jan 12 04:32:54 (none) user.crit kernel: Line 0: ADSL G.992 channel analysis
      Jan 12 04:32:58 (none) user.crit kernel: Line 0: ADSL G.992 message exchange
      Jan 12 04:32:59 (none) user.crit kernel: Line 0: ADSL link up, Bearer 0, us=1108, ds=14482
      Jan 12 04:33:32 (none) daemon.crit syslog: PPP LCP UP.
      Jan 12 04:33:32 (none) daemon.crit syslog: Received valid IP address from server. Connection UP.
      Last edited by Vegeta; 12-01-13 at 05:33 AM.

    10. #9
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      Re: Intermittent connection

      I have just tried another router and I'm getting the same problem so I guess there is something wrong with the line. Do I contact Sky or BT regarding line problems? I pay my line rental to Sky.

    11. #10
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      Re: Intermittent connection

      phone sky as they have the line rental

     

     
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