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    SLow speeds

    This is a discussion on SLow speeds within the Sky Broadband (Fibre) Help forums, part of the Sky Broadband help and support category; Hey all, Installed the unlocked firmware last night and found the attainable speed to be 87+Mbit/down and 29.6Mbit/s up. The ...

    1. #1
      J0sh's Avatar
      J0sh is offline Sky User Member
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      SLow speeds

      Hey all,

      Installed the unlocked firmware last night and found the attainable speed to be 87+Mbit/down and 29.6Mbit/s up.

      The actual rate is 7.0262 Down and 20.0 up.

      Since last night it has been running and I checked the errors this morning.

      On the downstream:

      CRC 6909
      FEC 134
      HEC 1549

      These numbers seem pretty high.

      The upstream only had 3 errors and that was 3 FECs.

      Am I able to quote these numbers to Sky ? It could be that there is a major problem with our line.

      I wonder whether it would be worth trying our modem on the BT connection over the road?

      - - - Updated - - -

      Just to add, we only get around 40Mbit/s (if lucky) on speed tests. BT or Speedtest.net.

      Downloaded a file from thinkbroadband when instructed by a Sky fibre guy and it came down at 2.0Mbit/s... :-/


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    3. #2
      J0sh's Avatar
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      Re: SLow speeds

      I think I got the CRC errors a bit wrong... Think they are much higher. lol Going to post the stats in a moment.

    4. #3
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      Re: SLow speeds

      # xdslcmd info --stats
      xdslcmd: ADSL driver and PHY status
      Status: Showtime
      Retrain Reason: 0
      Max: Upstream rate = 29639 Kbps, Downstream rate = 87076 Kbps
      Path: 0, Upstream rate = 20000 Kbps, Downstream rate = 70262 Kbps

      Link Power State: L0
      Mode: VDSL2 Annex B
      VDSL2 Profile: Profile 17a
      TPS-TC: PTM Mode
      Trellis: U:ON /D:ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 6.4 12.2
      Attn(dB): 0.0 0.0
      Pwr(dBm): 12.8 6.1
      VDSL2 framing
      Path 0
      B: 45 236
      M: 1 1
      T: 64 5
      R: 14 16
      S: 0.0208 0.3771
      L: 23040 5410
      D: 1651 1
      I: 60 255
      N: 60 255
      Counters
      Path 0
      OHF: 27211697 468687
      OHFErr: 368 3
      RS: 2671226720 4109423
      RSCorr: 2187451 12
      RSUnCorr: 14935 0

      Path 0
      HEC: 3712 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 624345669 0
      Data Cells: 24200373 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 29 3
      SES: 0 0
      UAS: 22 22
      AS: 36426

      Path 0
      INP: 4.00 0.00
      PER: 1.33 6.12
      delay: 9.00 0.00
      OR: 120.00 203.67

      Bitswap: 7664 4

      Total time = 10 hours 7 min 29 sec
      FEC: 2187451 12
      CRC: 368 3
      ES: 29 3
      SES: 0 0
      UAS: 22 22
      LOS: 0 0
      LOF: 0 0
      Latest 15 minutes time = 7 min 29 sec
      FEC: 18344 0
      CRC: 0 0
      ES: 0 0
      SES: 0 0
      UAS: 0 0
      LOS: 0 0
      LOF: 0 0
      Previous 15 minutes time = 15 min 0 sec
      FEC: 97717 0
      CRC: 0 0
      ES: 0 0
      SES: 0 0
      UAS: 0 0
      LOS: 0 0
      LOF: 0 0
      Latest 1 day time = 10 hours 7 min 29 sec
      FEC: 2187451 12
      CRC: 368 3
      ES: 29 3
      SES: 0 0
      UAS: 22 22
      LOS: 0 0
      LOF: 0 0
      Previous 1 day time = 0 sec
      FEC: 0 0
      CRC: 0 0
      ES: 0 0
      SES: 0 0
      UAS: 0 0
      LOS: 0 0
      LOF: 0 0
      Since Link time = 10 hours 7 min 5 sec
      FEC: 2187451 12
      CRC: 368 3
      ES: 29 3
      SES: 0 0
      UAS: 0 0
      LOS: 0 0
      LOF: 0 0
      #

      # xdslcmd info --pbParams
      xdslcmd: ADSL driver and PHY status
      Status: Showtime
      Retrain Reason: 0
      Max: Upstream rate = 29663 Kbps, Downstream rate = 87076 Kbps
      Path: 0, Upstream rate = 20000 Kbps, Downstream rate = 70262 Kbps

      Discovery Phase (Initial) Band Plan
      US: (0,95) (880,1195) (1984,2771)
      DS: (32,859) (1216,1959) (2792,4083)
      Medley Phase (Final) Band Plan
      US: (0,95) (880,1195) (1984,2771)
      DS: (32,859) (1216,1959) (2792,4083)
      VDSL Port Details Upstream Downstream
      Attainable Net Data Rate: 29663 kbps 87076 kbps
      Actual Aggregate Tx Power: 6.1 dBm 12.8 dBm
      ================================================== ==========================
      VDSL Band Status U0 U1 U2 U3 D1 D2 D3
      Line Attenuation(dB): 0.4 19.8 30.3 N/A 11.0 25.7 41.3

      Signal Attenuation(dB): 0.4 19.6 30.2 N/A 11.0 25.7 41.3

      SNR Margin(dB): 13.0 13.2 11.9 N/A 6.4 6.3 6.4

      TX Power(dBm): -5.0 -25.8 5.7 N/A 8.8 7.3 7.4

    5. #4
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      Re: SLow speeds


    6. #5
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      Re: SLow speeds

      On hold to Fibre department... Not sure if anyone could explain why this connection is not syncing at 79999 and why we we only seem to be getting below 40Mbit/s speeds on downloads and speed tests despite our neighbour on the same pole and cab can get 75Mbit/s on speed tests... :-/

     

     

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