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    Fibre Pro Unlimited Dropouts and Speed Drops.

    This is a discussion on Fibre Pro Unlimited Dropouts and Speed Drops. within the Sky Broadband help forums, part of the Sky Broadband help and support category; Or the fault is still there but has been lowered to a safe rate that isn't tripping it up......

    1. #11
      vfx's Avatar
      vfx
      vfx is offline Sky User Member
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      Re: Fibre Pro Unlimited Dropouts and Speed Drops.

      Or the fault is still there but has been lowered to a safe rate that isn't tripping it up...


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    3. #12
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      Re: Fibre Pro Unlimited Dropouts and Speed Drops.

      I don't know how relevant it is but you seem to have a very large number of Collisions on the WAN port(101). I sometimes get collisions on my LAN port, but never on the WAN. I wonder if this is effecting the speed?

      TomD


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    4. #13
      kuplion's Avatar
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      Re: Fibre Pro Unlimited Dropouts and Speed Drops.

      Quote Originally Posted by Isitme View Post
      I don't know how relevant it is but you seem to have a very large number of Collisions on the WAN port(101). I sometimes get collisions on my LAN port, but never on the WAN. I wonder if this is effecting the speed?
      You know, I noticed the same thing. I've actually only ever ever ever had collisions on the WAN since upgrading to Fibre.

      I've sourced a HG612 (3B) and am going to give that a go in PPPoE mode when it arrives, as I've heard good things about it (especially compared to the SR102). Will update as I get more info from SKY/Openreach.

      EDIT: Haha, I've just checked the SR102 and it's back to full speed..

      Broadband Link Downstream Upstream
      Connection Speed 79987 kbps 20000 kbps
      Line Attenuation 13.9 dB 0.0 dB
      Noise Margin 6.4 dB 9.9 dB

      Port Status TxPkts RxPkts Collision Pkts Tx b/s Rx b/s Up Time
      WAN MER 79401519 88367907 38 8285604 41491236 09:38:30
      LAN Up 88372491 79659013 80866 41753864 7759712 09:39:29
      WLAN Disable 0 0 0 0 0 00:00:00

      Still getting the collisions though. I'll monitor it.

    5. #14
      Isitme's Avatar
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      Re: Fibre Pro Unlimited Dropouts and Speed Drops.

      Your WAN collisions have gone down but your LAN collisions look exceptionally high. As a comparison I have 15 collisions on my LAN, 7 attached devices, with an uptime of 24 hours. Power cut yesterday.

      TomD


      Please note the views and recommendations in my posts are my own and in no way reflect the views of SkyUser.


      Useful Utilites

      http://www.nirsoft.net/utils/wifi_information_view.html/ TCPOptimiser /Test Socket

      Note - When downloading always select the Custom install or you will end up with stuff you don't want.





    6. #15
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      Re: Fibre Pro Unlimited Dropouts and Speed Drops.

      Yup, the collisions have only ever been present since switching to Fibre so something must have changed somewhere in the SR102 config. Once the HG612 is here and I can confirm it's better for my connection, I'll be switching routers too (either an RT-AC88U or something pfSense based and use my current WDR3600s as Access Points still).

    7. #16
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      Re: Fibre Pro Unlimited Dropouts and Speed Drops.

      Ok, so I had more line crashes this morning which pulled the speed right back down after going back to 80/20 when my SR102 firmware updated a day ago, so I've added in my HG612 (Unlocked GUI) whilst it was messing about as it wouldn't make a real difference being down for an extra 5 minutes.

      The line stats on the HG612 are:

      Downstream Upstream Downstream Upstream
      Line rate (kbit/s) 78141 20000 0 0
      CRC errors 0 0 0 0
      FEC errors 2079 0 0 0
      HEC errors 168 0 0 0


      And:

      Downstream Upstream
      Attainable rate (kbit/s) 78136 25999
      SNR margin (dB) 6.3 9.6
      Line attenuation (dB) 13.8 0
      Output power (dBmV) 14.3 6.2


      The FEC and HEC errors were there almost as soon as it connected and have been increasing slowly over the last 15-20 minutes.

      Thoughts?

      EDIT: This is only a few minutes later.. :

      Downstream Upstream Downstream Upstream
      Line rate (kbit/s) 78141 20000 0 0
      CRC errors 0 0 0 0
      FEC errors 6833 15 0 0
      HEC errors 27493 0 0 0

      Downstream Upstream
      Attainable rate (kbit/s) 76240 25888
      SNR margin (dB) 5.8 9.5
      Line attenuation (dB) 13.8 0
      Output power (dBmV) 14.2 6.2


      EDIT 2:

      Stats using DSLStats:


      Code:
      Stats recorded 15 Mar 2016 15:20:08
      
      DSLAM/MSAN type:            IFTN:0xd086 / v0xd086
      Modem/router firmware:      AnnexA version - A2pv6C038m.d24j
      DSL mode:                   VDSL2 Profile 17a
      Status:                     Showtime
      Uptime:                     57 min 7 sec
      Resyncs:                    0 (since 15 Mar 2016 15:13:34)
                  
                      Downstream    Upstream
      Line attenuation (dB):      13.8        0.0
      Signal attenuation (dB):    Not monitored        
      Connection speed (kbps):    78141        20000
      SNR margin (dB):            6.1        9.5
      Power (dBm):                14.3        6.2
      Interleave depth:           1        1
      INP:                        0        0
      G.INP:                      Not enabled        Not enabled
      
      
      RSCorr/RS (%):              N/A        0.0129
      RSUnCorr/RS (%):            N/A        0.0000
      ES/hour:                    112        838
      Last edited by kuplion; 15-03-16 at 04:21 PM.

    8. #17
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      Re: Fibre Pro Unlimited Dropouts and Speed Drops.

      Collisions generally occur if you have half duplex on one side and full duplex on the other, but I'd have thought modern non-enterprise gear wouldn't have this problem, and I can't recall being able to set these kinds of settings on the Sky hubs.
      Current Sync 79999/19999

    9. #18
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      Re: Fibre Pro Unlimited Dropouts and Speed Drops.

      I did check whether that was causing the collisions but everything is set to full duplex and you're right, the SR102 seems to lack the options anyway.

    10. #19
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      Re: Fibre Pro Unlimited Dropouts and Speed Drops.

      The fault is still present. The drops have started again and SKY have confirmed an external fault again.

    11. #20
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      Re: Fibre Pro Unlimited Dropouts and Speed Drops.

      Have you thought about moving?
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      Artificial Intelligence is no match for Natural Stupidity.
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