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    max sync and appraisal

    This is a discussion on max sync and appraisal within the Speed tests and how to get better results forums, part of the Sky Broadband help and support category; Hi everyone. Firstly i would like to thank sky for the recent firmware update on the white routers as this ...

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      max sync and appraisal

      Hi everyone.

      Firstly i would like to thank sky for the recent firmware update on the white routers as this practically solved alll my previous BB woes.

      Before the firmware update i used to get disconnects, problems with UPNP, router connectivity and all sorts as you may well know but this has now been resolved and my BB is working perfectly.

      I have one simple question however, so that i may get that last bit out of my BB.

      I am currently on the mid package and on max sync speed of 8096kbps down and 416kbps upload. However i am not able to get the router to sync at this speed when i reboot it (thankfully it doesnt reboot itself anymore). It syncs at 7616kbps down instead of 8096.

      Is there anyway i can get the router to sync at 8096kbps download so i can get that little extra speed allbeit very little extra. I know it wont have any problem at this few hundred extra kb's speed as i have a very stable BB now. Thnak you. Sorry for long winded explanation.


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    3. #2
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      Re: max sync and appraisal

      I may be wrong but with transmission overheads taken out i dont think you will get much more

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      Re: max sync and appraisal

      sorry i dont get wat you mean. could you elaborate? thanks.

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      Re: max sync and appraisal

      @kanwar786

      Reboot the router then take your stats - that may show the probable cause for your sync being a bit lower..


      @Postman Pat

      Transmission overheads will account for the difference between sync and throughput (down/upload speeds) but not for an apparently low sync.

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      Re: max sync and appraisal

      thank you saturday for the post. Do you mean the stats on 192.168.0.1 router homepage where it says 'show statistics' right? Because you cant use mognuts utility no more.

      OK got the stats after a reboot: amazingly enough the sync has gone upto 7840kb down but still not at 8096:

      System Up Time 00:00:44
      Port Status TxPkts RxPkts Collisions Tx B/s Rx B/s Up Time
      WAN PPPoA 0 0 0 0 0 00:00:00
      LAN 10M/100M 100 0 0 504 0 00:00:41
      WLAN 11M/54M 171 160 0 1229 684 00:00:33

      ADSL Link Downstream Upstream
      Connection Speed 7840 kbps 416 kbps
      Line Attenuation 37.0 db 23.0 db
      Noise Margin 7.7 db 14.0 db
      Last edited by kanwar786; 13-04-08 at 11:29 PM.

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      Re: max sync and appraisal

      Yes, just the sync and noise margin is needed so simple stats are fine.

      Edit: OK - looks like you may have a bit of a line issue. With your attenuation of 37db you'd expect to be able to sync at 8096kbps with no problems. Your noise margin is only a little over the default so I don't think you've been capped (if you have its very lightly).

      The next thing you need to do is to now connect to your test socket (hidden inside your master) and take your stats again. What you're looking for is either the full 8096kbps or an increased noise margin. If you get the first then its your home wiring/filter/cable. If the second then you are capped. If neither then its probably your BT line.
      Last edited by Saturday; 13-04-08 at 11:41 PM.

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      Re: max sync and appraisal

      Thnaks alot for the useful information mate. Im pretty sure i havent been capped but i'll carry out the tests youve recommended and get back to you in this thread asap. thanks.

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      Re: max sync and appraisal

      I think the new FW has a slighly higher target SNR. Meaning in some cases the downstream connection has been reduced slightly.

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      Re: max sync and appraisal

      If that's true (the higher default NM - I haven't noticed that reported anywhere, please point me to posts that state this) then that makes no difference to what I said i.e. Kanwar786 has a line problem or is capped and the suggested tests should reveal what that problem is.

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      Re: max sync and appraisal

      @ Saturday this took me 15mintues to find it was burried underneath all all that talk of the new FW.

      http://www.skyuser.co.uk/forum/sky-n...firmed-37.html

      This would make sense seeing as his downstream has reduced after the FW update, and nearly every1 on the new FW has reported steady SNR of 7 throughout the day.

     

     
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