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    Here we go again....

    This is a discussion on Here we go again.... within the Sky Broadband help forums, part of the Sky Broadband help and support category; not many people know of the LCP down bit, tbh i dont really - never had the need to play ...

    1. #11
      IWasNotTheEnemy's Avatar
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      Re: Here we go again....

      not many people know of the LCP down bit, tbh i dont really - never had the need to play about with a Sky router - i assume its when it fails to authenticate.......and if anything, confuses everyone. Personally, i couldn't give a monkeys, as i know what i have to to get a connection working and thats holds no bearing on my work. but thats just my 2 pence, im sure for the EU its a view into whats going on and im sure some would find it useful

      glad its looking better, still no errors so maybe it sorted itself out


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    3. #12
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      Re: Here we go again....

      I know what LCP down is all about, a BT engineer told me when I was on connect! Normally it is nothing to do with the users line or their router but a problem with the ISP server side!

      You are correct it fails to authenticate, it's to do with the ppp packets that are sent, sometimes these packets don't make it due to a poor line for example and therfore you get no broadband!!! (i.e. LCP down which results in no broadband)

      Normally it's a problem server side! (ISP problem)

      and if you google you will see it happens a lot on sky broadband!!! infact more than a lot, all the results on google point to sky broadband posts...

      If my line stats look good in the morning yet the logs show multiple LCP down's then the problem must be sky's side!
      Last edited by acoolwelshbloke; 15-07-07 at 09:28 PM.

    4. #13
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      Re: Here we go again....

      fair enuff, i'll look into it myself as it would be interesting....could just be when the router loses sync (as my router frequently does - but i have overhead lines and bad weather affects it all the time)

      maybe its the contention actually having an affect, at a random stab in the dark, as you're on a large exchange....

    5. #14
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      Re: Here we go again....

      Could be but...

      I had this problem as well as others for the first 3-4 months on connect and it happened everyday... day and night???

      After months of support, bt engineers because my BB died completely several times and capping etc... etc.. it finally went away!

      Now I have gone from connect to mid, I was re-capt because in the evening my snr would drop to stupid levels like 2db or 4db etc.. well the cap has solved that but the last 3 days I have had loads of LCP downs most of which happen in the night???

      Why is it LCP down's seem to be a reg thing with sky BB? see here and google for that!

      It may be down to errors spiking in the night on my line, i normally have more errors than what is shown above so maybe sky have done something or it's just pure luck, I will wait till tomorrow now to find out for sure but sky should look into this LCP down issue!

      Even the BT engineer who attended my house said he only knew what it was because he seen it on a regular bases with sky connect!

    6. #15
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      Re: Here we go again....

      And here we have the proof! :::::

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: ShowtimeRetrain Reason: 0
      Channel: INTR, Upstream rate = 416 Kbps, Downstream rate = 5120 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 8.1 14.0
      Attn(dB): 48.0 31.5
      Pwr(dBm): 19.1 1.0
      Max(Kbps): 8288 1216
      Rate (Kbps): 5120 416
      G.dmt framing
      K: 161(0) 14
      R: 16 16
      S: 1 16
      D: 64 4
      ADSL2 framing
      MSGc: 1 1
      B: 161 14
      M: 1 16
      T: 1 1
      R: 16 16
      S: 1.0987 17.0666
      L: 1296 120
      D: 64 4
      Counters
      SF: 1912483 1912412
      SFErr: 15796 6
      RS: 130048910 8127751
      RSCorr: 8224745 50
      RSUnCorr: 80447 0

      HEC: 13678 4
      OCD: 12 0
      LCD: 0 0
      Total Cells: 392515122 0
      Data Cells: 2637252 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 612 0
      SES: 336 0
      UAS: 18 0
      AS: 32512

      INP: 3.16 2.13
      PER: 1.92 1.86
      delay: 17.58 17.06
      OR: 29.12 30.00

      Bitswap: 0 0

      Total time = 9 hours 2 min 19 sec
      SF = 1912483
      CRC = 15796
      LOS = 0
      LOF = 0
      ES = 612
      Latest 1 day time = 9 hours 2 min 19 sec
      SF = 1912483
      CRC = 15796
      LOS = 0
      LOF = 0
      ES = 612
      Latest 15 minutes time = 2 min 19 sec
      SF = 8260
      CRC = 7107
      LOS = 0
      LOF = 0
      ES = 140
      Previous 15 minutes time = 15 min 0 sec
      SF = 52864
      CRC = 8684
      LOS = 0
      LOF = 0
      ES = 467
      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 = 52923
      CRC = 1
      LOS = 0
      LOF = 0
      ES = 1
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 52982
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
      SF = 52923
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Showtime Drop Reason: 0
      Last Retrain Reason: 0

      And with that I have LCP down again, infact my broadband has only just come up!!!!

      oh and get this, this is not a teir 3 problem, it's a provisioning departments problem!

      Why won't sky just cap my line at 4MB????

      When will they realise my line can only handle a recommended 4.5MB max connection!!!!!!

      That's not 6, not 5 just cap me at 4MB like I asked you too!

    7. #16
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      Re: Here we go again....

      Well called back late last night and got through to a scottish bloke who put me through to Teir 3! (Thank you Mr scottish guy.)

      They capped me at 4MB like I asked and guess what? Yep no downtime, errors or LCP down issues so far! Infact my line has been up all night... First time since I was put on MID!

      Here are my stats:

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: ShowtimeRetrain Reason: 0
      Channel: INTR, Upstream rate = 416 Kbps, Downstream rate = 4000 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 15.4 15.0
      Attn(dB): 48.0 31.5
      Pwr(dBm): 18.6 1.1
      Max(Kbps): 6720 1248
      Rate (Kbps): 4000 416
      G.dmt framing
      K: 126(0) 14
      R: 16 16
      S: 1 16
      D: 64 4
      ADSL2 framing
      MSGc: 1 1
      B: 126 14
      M: 1 16
      T: 1 1
      R: 16 16
      S: 1.1259 17.0666
      L: 1016 120
      D: 64 4
      Counters
      SF: 1502374 1502332
      SFErr: 0 0
      RS: 102161498 6384911
      RSCorr: 6377 16
      RSUnCorr: 0 0

      HEC: 0 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 240947250 0
      Data Cells: 88274 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 0 0
      SES: 0 0
      UAS: 23 0
      AS: 25540

      INP: 4.03 2.13
      PER: 1.97 1.86
      delay: 18.01 17.06
      OR: 28.41 30.00

      Bitswap: 0 0

      Total time = 7 hours 6 min 11 sec
      SF = 1502374
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Latest 1 day time = 7 hours 6 min 11 sec
      SF = 1502374
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Latest 15 minutes time = 6 min 11 sec
      SF = 21830
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 15 minutes time = 15 min 0 sec
      SF = 52982
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      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 = 52923
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 52982
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
      SF = 52864
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Showtime Drop Reason: 0
      Last Retrain Reason: 0

      Will not know for sure until today and tonight have passed but my fingers are crossed!!!!!!

    8. #17
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      Re: Here we go again....

      they shoulda put u on 'true' 4MB...4096...but as long as it stays up thats the main thing

      fingers crossed this time!!

    9. #18
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      Re: Here we go again....

      Quote Originally Posted by IAmNotTheEnemy View Post
      they shoulda put u on 'true' 4MB...4096...but as long as it stays up thats the main thing

      fingers crossed this time!!
      LOL yea I noticed that when he done it but I don't care about a poxy 96kbps after all I am not greedy!!!

      Just hope it solves my issues, so far so good...

    10. #19
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      Re: Here we go again....

      on a random, unrelated note - took my own advice and tried my test socket - sync speed doubled!!! download speed is no different, still about 2MB (also had the ring wire connected so removed that) and now getting 4MB sync in master!!

      wonders will never cease!! ordered me an XTE-2005 faceplate just to be on the safe side but there you go!!
      -------------------------------------------



      Useful Sticky: - How To Obtain Your Router Stats, BT Speed Test, Check For Test Socket

    11. #20
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      Re: Here we go again....

      So far so good:

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: ShowtimeRetrain Reason: 0
      Channel: INTR, Upstream rate = 416 Kbps, Downstream rate = 4000 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 15.3 15.0
      Attn(dB): 48.0 31.5
      Pwr(dBm): 18.6 1.1
      Max(Kbps): 6720 1248
      Rate (Kbps): 4000 416
      G.dmt framing
      K: 126(0) 14
      R: 16 16
      S: 1 16
      D: 64 4
      ADSL2 framing
      MSGc: 1 1
      B: 126 14
      M: 1 16
      T: 1 1
      R: 16 16
      S: 1.1259 17.0666
      L: 1016 120
      D: 64 4
      Counters
      SF: 3541650 3541631
      SFErr: 187 62
      RS: 240832266 15051931
      RSCorr: 90260 209
      RSUnCorr: 2943 0

      HEC: 163 40
      OCD: 8 0
      LCD: 0 0
      Total Cells: 567997591 0
      Data Cells: 5511209 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 94 0
      SES: 0 0
      UAS: 23 0
      AS: 60208

      INP: 4.03 2.13
      PER: 1.97 1.86
      delay: 18.01 17.06
      OR: 28.41 30.00

      Bitswap: 0 0

      Total time = 16 hours 43 min 59 sec
      SF = 3541650
      CRC = 187
      LOS = 0
      LOF = 0
      ES = 94
      Latest 1 day time = 16 hours 43 min 59 sec
      SF = 3541650
      CRC = 187
      LOS = 0
      LOF = 0
      ES = 94
      Latest 15 minutes time = 13 min 59 sec
      SF = 49442
      CRC = 33
      LOS = 0
      LOF = 0
      ES = 15
      Previous 15 minutes time = 15 min 0 sec
      SF = 52864
      CRC = 45
      LOS = 0
      LOF = 0
      ES = 16
      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 = 52982
      CRC = 34
      LOS = 0
      LOF = 0
      ES = 16
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 52923
      CRC = 14
      LOS = 0
      LOF = 0
      ES = 10
      15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
      SF = 52923
      CRC = 10
      LOS = 0
      LOF = 0
      ES = 8
      Showtime Drop Reason: 0
      Last Retrain Reason: 0

      As you can see there are a few errors but all in all still looking good! No downtime or dropouts so far but from here on is is where the trouble normally starts!

      I've got everything crossed, if it stays up tonight then things are finally looking good!

     

     
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