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1218 posts

Uber Geek
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  Reply # 670441 10-Aug-2012 09:56 Send private message quote this post

Hehe, yeah, it's hard to resist the urge isn't it!! :D

1861 posts

Uber Geek
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  Reply # 670714 10-Aug-2012 17:56 Send private message quote this post

Well the splitter is now gonet. And I ended up just connecting an ethernet patch cable (the inner pair) directly to the incoming pair and the other end plugged directly into Fritzbox. 

A couple of changes since:  Initially all looked the same.  Then the SNR Ratio dropped first to 11db then 10db. And it looks like Bitswap is also on now (not sure if it was when I turned on; I assume so and I just didn't notice)  Also the error rate seems a fair bit lower. 


386 posts

Ultimate Geek
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  Reply # 670725 10-Aug-2012 18:11 Send private message quote this post

For reference, I switched to Snap VDSL2 today and here are the stats after my first sync:



And the speedtest of the above just now:
 

Pretty stoked so far :)

202 posts

Master Geek


  Reply # 670874 11-Aug-2012 04:18 Send private message quote this post

Sam,

Has DLM changed your profile yet?

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  Reply # 670889 11-Aug-2012 08:32 Send private message quote this post

sidefx: 
A couple of changes since:  Initially all looked the same.  Then the SNR Ratio dropped first to 11db then 10db. And it looks like Bitswap is also on now (not sure if it was when I turned on; I assume so and I just didn't notice)  Also the error rate seems a fair bit lower. 


Hrmm, ok I'm a little confused after a bit of reading on whether the drop in SNR ratio was a good or bad thing but I'm thinking it looks like a bad thing (it's ratio not margin so no sync speed increase when it drops? Or is it actually margin and just "mislabelled" in the Fritzbox? )  Should I put the filter back in and see if it goes back up?



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  Reply # 670924 11-Aug-2012 09:51 Send private message quote this post

Napster: Sam,

Has DLM changed your profile yet?


Nope, still stuck on DLM-2 :(  Errors are good, averaging around 4-5 per hour, so I'm not really sure why I've not been put down to DLM-1.  I tried a manual resync after 7 days uptime, but no change.

sidefx: Hrmm, ok I'm a little confused after a bit of reading on whether the drop in SNR ratio was a good or bad thing but I'm thinking it looks like a bad thing (it's ratio not margin so no sync speed increase when it drops? Or is it actually margin and just "mislabeled" in the Fritzbox? )  Should I put the filter back in and see if it goes back up?


Most people have a 1-2db fluctuation in SNRM (it is margin, badly labeled), it's nothing to worry about really - it's there as a buffer so it's doing it's job :)  Check out the 'Signal-to-Noise Ratio (SNR):' section in the first post for a detailed explanation.

Putting the splitter back in will not help.

202 posts

Master Geek


  Reply # 671050 11-Aug-2012 15:08 Send private message quote this post

Yea its strange, same story for me.

378 posts

Ultimate Geek
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  Reply # 671052 11-Aug-2012 15:12 Send private message quote this post

sidefx:
Hrmm, ok I'm a little confused after a bit of reading on whether the drop in SNR ratio was a good or bad thing but I'm thinking it looks like a bad thing (it's ratio not margin so no sync speed increase when it drops? Or is it actually margin and just "mislabelled" in the Fritzbox? )  Should I put the filter back in and see if it goes back up?

If you are talking about the value on the DSL tab it is the SNR margin. A drop of a few DB in this value is nothing to worry about. Even if it dropped significantly I wouldn't worry about it unless the sync rate dropped or the connection was unstable. Your sync rate is marginally higher without the filter so I wouldn't put it back.

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  Reply # 671069 11-Aug-2012 16:00 Send private message quote this post

I'm up to 25 down but still that pesky 8ms latency. Bitswap is off and impluse noise is on 0.0.

what are others with a 14dB attenuation on their VDSL seeing speedwise?




Richard rich.ms

39 posts

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  Reply # 671076 11-Aug-2012 16:08 Send private message quote this post

Well DLM is well and truly over by now and things have improved with the ping (DLM1 1ms). Dowload is still around 24mbps and up is just under 9mbps.

Here is  the latest speedtest result.












I'm still getting plenty of errors:


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Master Geek
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  Reply # 671083 11-Aug-2012 16:24 Send private message quote this post

Instinct: Well DLM is well and truly over by now and things have improved with the ping (DLM1 1ms). Dowload is still around 24mbps and up is just under 9mbps.


I’m quite impressed with the speeds you are getting and the very low Latency, taking into consideration your high line attenuation.  

Do you know (approximately) how far away you are from the cabinet/exchange?





_Allan (my blogmy tweetscompany tweetscompany web site)
           Geekzone Speedtest  -  Download: 16.28 mbps  Upload: 5.86 Mbps

39 posts

Geek
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  Reply # 671090 11-Aug-2012 16:40 Send private message quote this post

_Allan:
Instinct: Well DLM is well and truly over by now and things have improved with the ping (DLM1 1ms). Dowload is still around 24mbps and up is just under 9mbps.


I’m quite impressed with the speeds you are getting and the very low Latency, taking into consideration your high line attenuation.  

Do you know (approximately) how far away you are from the cabinet/exchange?


I've measued on google maps, and driven from the cabinet to my garage and boht are approx 700 meters.

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  Reply # 671093 11-Aug-2012 16:48 Send private message quote this post

I see a few of you have attenuations higher than what chorus' maximum is? Or at least i heard it was quite strict at 10.8dB?

My line stats, tweaked the SNR and forgot i left it at 1.6dB SNR - uptime of 20 days hahaha
Statistics Downstream Upstream
Line Rate 21955 Kbps 1021 Kbps
Attainable Line Rate 21764 Kbps 1037 Kbps
Noise Margin 1.6 dB 14.3 dB
Line Attenuation 12.5 dB 5.7 dB

1861 posts

Uber Geek
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  Reply # 671105 11-Aug-2012 17:41 Send private message quote this post

eXDee: I see a few of you have attenuations higher than what chorus' maximum is? Or at least i heard it was quite strict at 10.8dB?


On an RTA1320 before moving to VDSL my attenuation was showing as 10db; it only went up after moving to VDSL.  (and I'm pretty sure when I was running the fritzbox as an ADSL modem it was showing even lower)



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  Reply # 671151 11-Aug-2012 20:17 Send private message quote this post

Napster: Yea its strange, same story for me.


How long has it been since you had a profile change?  Are you still stuck on DLM-2 / 4?

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