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183 posts

Master Geek
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  # 839854 19-Jun-2013 21:19
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hio77:
JonoNZ: I've had a bit of a trawl through this thread. This seems to be where the most VDSL discussion is happening.

What has been typical for the first DLM change to kick in?

I'm a Telecom VDSL customer and had an install on Saturday. I'm guessing I've started in DLM6? Stats below...


kinda lacking the info needed to tell you that :/ hunt around and see if the INP etc comes up anywhere..


I'll take another look but haven't seen INP anywhere. Do ping times give an indication of DLM status? Also, the event log on the Technicolor modem shows only one sync event -- when my connection was activated on Saturday morning.

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  # 839861 19-Jun-2013 21:21
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Latency looks like DLM2,4 or 6. I would suspect 2 for starting profile.

 
 
 
 


'That VDSL Cat'
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  # 839863 19-Jun-2013 21:22
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JonoNZ:
hio77:
JonoNZ: I've had a bit of a trawl through this thread. This seems to be where the most VDSL discussion is happening.

What has been typical for the first DLM change to kick in?

I'm a Telecom VDSL customer and had an install on Saturday. I'm guessing I've started in DLM6? Stats below...


kinda lacking the info needed to tell you that :/ hunt around and see if the INP etc comes up anywhere..


I'll take another look but haven't seen INP anywhere. Do ping times give an indication of DLM status? Also, the event log on the Technicolor modem shows only one sync event -- when my connection was activated on Saturday morning.


ping times will indicate if your on DLM-1, DLM2,4,6 or DLM 3,5,7,8 but thats all..

ild pick your on DLM4/6 considering you havent resynced yet..




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Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.


183 posts

Master Geek
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  # 839867 19-Jun-2013 21:24
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hio77:
JonoNZ:
hio77:
JonoNZ: I've had a bit of a trawl through this thread. This seems to be where the most VDSL discussion is happening.

What has been typical for the first DLM change to kick in?

I'm a Telecom VDSL customer and had an install on Saturday. I'm guessing I've started in DLM6? Stats below...


kinda lacking the info needed to tell you that :/ hunt around and see if the INP etc comes up anywhere..


I'll take another look but haven't seen INP anywhere. Do ping times give an indication of DLM status? Also, the event log on the Technicolor modem shows only one sync event -- when my connection was activated on Saturday morning.


ping times will indicate if your on DLM-1, DLM2,4,6 or DLM 3,5,7,8 but thats all..

ild pick your on DLM4/6 considering you havent resynced yet..


Is restarting to resync recommended? I've avoided restarting the modem after what I read about the training period.

'That VDSL Cat'
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  # 839871 19-Jun-2013 21:26
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JonoNZ:
hio77:
JonoNZ:
hio77:
JonoNZ: I've had a bit of a trawl through this thread. This seems to be where the most VDSL discussion is happening.

What has been typical for the first DLM change to kick in?

I'm a Telecom VDSL customer and had an install on Saturday. I'm guessing I've started in DLM6? Stats below...


kinda lacking the info needed to tell you that :/ hunt around and see if the INP etc comes up anywhere..


I'll take another look but haven't seen INP anywhere. Do ping times give an indication of DLM status? Also, the event log on the Technicolor modem shows only one sync event -- when my connection was activated on Saturday morning.


ping times will indicate if your on DLM-1, DLM2,4,6 or DLM 3,5,7,8 but thats all..

ild pick your on DLM4/6 considering you havent resynced yet..


Is restarting to resync recommended? I've avoided restarting the modem after what I read about the training period.


avoid unnecessary resyncs, DLM can be rather iffy about them.. my connection took a week or so before DLM appeared to be working (regardless of how many resyncs i did) it seems to be luck of the draw how soon it plays itself out though..




#include <std_disclaimer>

 

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.


255 posts

Ultimate Geek
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  # 839980 20-Jun-2013 06:47
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SamF: I believe that 'fast' is the equivalent of DLM-1 on that firmware. What's your latency to stuff.co.nz?

And yeah, you've got some serious issues there mate! :)

Yeah anyone know someone who does master filter installs in CHCH?




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'That VDSL Cat'
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  # 840098 20-Jun-2013 09:56
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HiTM4N:
SamF: I believe that 'fast' is the equivalent of DLM-1 on that firmware. What's your latency to stuff.co.nz?

And yeah, you've got some serious issues there mate! :)

Yeah anyone know someone who does master filter installs in CHCH?


testing over wireless? a loaded link? try a tracert .. something looks iffy about that ping..




#include <std_disclaimer>

 

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.


 
 
 
 


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Ultimate Geek
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  # 840158 20-Jun-2013 11:18
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hio77:
HiTM4N:
SamF: I believe that 'fast' is the equivalent of DLM-1 on that firmware. What's your latency to stuff.co.nz?

And yeah, you've got some serious issues there mate! :)

Yeah anyone know someone who does master filter installs in CHCH?


testing over wireless? a loaded link? try a tracert .. something looks iffy about that ping..


Yes my bad, that was over wireless.

I'll hook up to LAN when I get home and re-run both ping and tracert




AllianceROM Dev - Comnam90 (Samsung i9100/i9300/i9500/n7000/n7100)
Twitter - Comwizard12
Reviewer - MyPortableWorld
Senior Server Admin - Linux/Win2k8R2/Win2012/ESXi
Love of all phones, computers and gadgets



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Uber Geek
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  # 840177 20-Jun-2013 11:27
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Well, no DLM recyncs overnight so still on DLM-1.

Errors have stabilised, but are still 5x higher than they were a few months ago!



Will try a 5min power off reset at lunch time.

'That VDSL Cat'
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  # 840179 20-Jun-2013 11:30
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SamF: Well, no DLM recyncs overnight so still on DLM-1.

Errors have stabilised, but are still 5x higher than they were a few months ago!

Will try a 5min power off reset at lunch time.


everyone seems to have had an increase in errors minor may it be.. with your snr tweaking its proberly showing itself more.. maybe something changed.. just seems odd that multiple people suddenly increased error rates :/ 




#include <std_disclaimer>

 

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.




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  # 840184 20-Jun-2013 11:37
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Yeah, it is very odd. The thing is with me, I'm now back to stock settings - 0db tweak, but getting 5 CRCPM vs 0.09 a few months ago. If I had to guess I'd say the season / temperature / weather had something to do with it. As you mentioned, this appears to be affecting everyone!

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  # 840190 20-Jun-2013 11:44
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I wonder how much crosstalk contributes and the recent increase in VDSL profile and popularity (media coverage, Telecom trials, etc)?

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Ultimate Geek
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  # 840192 20-Jun-2013 11:46
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Maybe its a fritzbox issue, my errors haven't increased



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  # 840205 20-Jun-2013 11:56
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It would have to be a pretty big increase in uptake to warrant a 50x increase in errors! Anecdotally, I had a telecom sales rep knock on my door (who was astounded at the speeds I was getting LOL), who said that I was the only one that he had found in the area with VDSL.

I've done a bit of research and there are quite a few references to temperature and moisture being factors in the performance of copper lines. In cold temperatures copper shrinks, so connections aren't as good etc. Moisture is obvious.

'That VDSL Cat'
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  # 840207 20-Jun-2013 11:59
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SamF: It would have to be a pretty big increase in uptake to warrant a 50x increase in errors! Anecdotally, I had a telecom sales rep knock on my door (who was astounded at the speeds I was getting LOL), who said that I was the only one that he had found in the area with VDSL.

I've done a bit of research and there are quite a few references to temperature and moisture being factors in the performance of copper lines. In cold temperatures copper shrinks, so connections aren't as good etc. Moisture is obvious.


just another reason we should all hibernate in winter! :3 




#include <std_disclaimer>

 

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.


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