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    Broadband connection intermittent

    This is a discussion on Broadband connection intermittent within the Sky Broadband help forums, part of the Sky Broadband help and support category; Hi there, Over the past week the quality of my Sky Broadband connection has been terrible... It'll work fine for ...

    1. #1
      Cine's Avatar
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      Broadband connection intermittent

      Hi there,

      Over the past week the quality of my Sky Broadband connection has been terrible... It'll work fine for 5 minutes, and they strangely switch off the next.

      I've looked at the logs and found something which might explain this problem. I've included an extract of the Router logs below:

      Aug 2 01:07:48 user crit kernel: ADSL link down
      Aug 2 01:08:00 user crit kernel: ADSL G.994 training
      Aug 2 01:08:10 user crit kernel: ADSL G.992 started
      Aug 2 01:08:14 user crit kernel: ADSL G.992 channel analysis
      Aug 2 01:08:20 user crit kernel: ADSL G.992 message exchange
      Aug 2 01:08:21 user crit kernel: ADSL link up, interleaved, us=605, ds=9435
      Aug 2 01:08:27 user info udhcpc: Received SIGTERM
      Aug 2 01:08:27 user warn kernel: clear_list_conntracks OVER
      Aug 2 01:08:28 daemon info dnsmasq[3956]: started, version 2.23 cachesize 150
      Aug 2 01:08:28 daemon info dnsmasq[3956]: compile time options: no-IPv6 GNU-getopt ISC-leasefile no-DBus
      Aug 2 01:08:28 daemon warn dnsmasq[3956]: running as root
      Aug 2 01:08:28 daemon info dnsmasq[3956]: read /etc/hosts - 1 addresses
      Aug 2 01:08:28 daemon warn dnsmasq[3956]: failed to access /etc/resolv.conf: No such file or directory
      Aug 2 01:08:52 user crit kernel: OAM loopback response not received on VPI/VCI 0/40.
      Aug 2 01:08:55 user crit kernel: OAM loopback response not received on VPI/VCI 0/40.
      Aug 2 01:08:58 user crit kernel: ADSL link down
      Aug 2 01:08:59 user crit kernel: OAM loopback response not received on VPI/VCI 0/40.
      Aug 2 01:09:02 daemon info dnsmasq[3996]: started, version 2.23 cachesize 150
      Aug 2 01:09:02 daemon info dnsmasq[3996]: compile time options: no-IPv6 GNU-getopt ISC-leasefile no-DBus
      Aug 2 01:09:02 daemon warn dnsmasq[3996]: running as root
      Aug 2 01:09:02 user warn kernel: Read Flash: part=[BACKUP]
      Aug 2 01:09:02 user warn kernel: Enter kerSysBackupGet: strLen[24576],offset[0],fInfo.flash_backup_blk_offset=[0]
      Aug 2 01:09:02 user warn kernel: Backup[1-10]=[<psitree>
      Aug 2 01:09:02 user warn kernel: ]
      Aug 2 01:09:02 daemon info dnsmasq[3996]: read /etc/hosts - 1 addresses
      Aug 2 01:09:02 daemon warn dnsmasq[3996]: failed to access /etc/resolv.conf: No such file or directory
      Aug 2 01:09:02 daemon notice pppd[3998]: pppd 2.4.1 started by admin, uid 0
      Aug 2 01:09:02 daemon notice pppd[3998]: PPP: Start to connect ...
      Aug 2 01:09:02 user crit kernel: ADSL G.994 training
      As you can see, for some reason the ADSL link goes down every 2 minutes of so. I have no idea why. Also, there seems to be a "Failed to access" error in there.

      I've phoned Sky multiple times about this, to which they responded "Everything looks fine on our end, it shows you're getting 10MB download speeds etc". I then phoned them again today, told them about the ADSL issues and now they've forwarded my problem to 2nd Line Support and said I'd receive a phone call in 72 hours. Which I very much doubt.

      Any of you guys have any ideas what would explain this? Faulty router? Or the Line?


      Many thanks.
      Last edited by Isitme; 02-08-11 at 11:53 AM. Reason: Code removed to stop post 'stretch'


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    3. #2
      boothy_08's Avatar
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      Re: Broadband connection intermittent

      i see something about ipv6?
      sky use ipv4 or are they now trying out ipv6?

    4. #3
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      Re: Broadband connection intermittent

      my download speed has been all over the place tonight, 1mbps then 3mbps then 4mbps, something is not right, i couldn't even play on my ps3 without it disconnecting and getting poor speeds, can not even buffer a 3 minute video on youtube.

    5. #4
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      Re: Broadband connection intermittent

      Quote Originally Posted by boothy_08 View Post
      i see something about ipv6?
      sky use ipv4 or are they now trying out ipv6?
      Always used IPv4.

      They issued a DLM request out when I phoned them last night, don't know if that pushed some config out.

    6. #5
      Cine's Avatar
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      Re: Broadband connection intermittent

      Quote Originally Posted by boothy_08 View Post
      my download speed has been all over the place tonight, 1mbps then 3mbps then 4mbps, something is not right, i couldn't even play on my ps3 without it disconnecting and getting poor speeds, can not even buffer a 3 minute video on youtube.
      My connection has been like this for a couple of weeks now.

    7. #6
      Cine's Avatar
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      Re: Broadband connection intermittent

      I just tried to see if there was any noise on the line.

      ...

      There was ALOT of noise on the line. Crackling, tones, beeps the lot. I don't see how Sky can't pick this up?

    8. #7
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      Re: Broadband connection intermittent

      Have you tried your router in the test socket, without the phone connected?

    9. #8
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      Re: Broadband connection intermittent

      Sky should be able to tell if there is a fault, as they can see all the errors picked up on the line by the router, and the SNR.
      If there is a lot of errors and a lot of re-syncs then it shows there is a fault

    10. #9
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      Re: Broadband connection intermittent

      The SNR shows if the line is about to disconnect, if you post your stats when connected, before it does not disconnect i can tell you straight away if there is a fault, 7db it should be at, any lower than 6 after a reboot shows there is a fault.

    11. #10
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      Re: Broadband connection intermittent

      Quote Originally Posted by Cine View Post
      I just tried to see if there was any noise on the line.

      ...

      There was ALOT of noise on the line. Crackling, tones, beeps the lot. I don't see how Sky can't pick this up?
      That sounds like bleed through, try the router directly in the test socket with no phones connected.
      run-IT-direct, For all your networking, ADSL & telecom requirements.

     

     
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