VDSL Performance & Tuning

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#839430 19-Jun-2013 14:45

Hmm, I guess time will tell!

sidefx

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#839442 19-Jun-2013 14:56

Fingers crossed, I think you got in quicker than I did in addressing high errrors. :)

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SamF

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#839604 19-Jun-2013 16:34

Yeah maybe. It only topped 10 briefly so here's hoping!

stevehodge

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#839711 19-Jun-2013 18:42

SamF: Yeah maybe. It only topped 10 briefly so here's hoping!

I think a short period of higher errors probably won't get you kicked down. The resyncs are probably more of an issue.

SamF

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#839745 19-Jun-2013 19:25

Yeah, we still don't really know the exact threshold for either errors or resyncs do we?

HiTM4N

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#839807 19-Jun-2013 20:25

You think your lines are bad?

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sidefx

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#839808 19-Jun-2013 20:28

The variance in SNR ratio might be worrying but those error rates are pretty low. What DLM level is it though?

(Try this for errors :P )

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SamF

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#839834 19-Jun-2013 20:57

@sidefx: that's not recent is it?

sidefx

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#839842 19-Jun-2013 21:04

Nah, that was the start of the street lamp thing, lol

"I was born not knowing and have had only a little time to change that here and there." | Octopus Energy | Sharesies
- Richard Feynman

HiTM4N

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#839843 19-Jun-2013 21:04

sidefx: The variance in SNR ratio might be worrying but those error rates are pretty low. What DLM level is it though?

(Try this for errors :P )

Where do i see DLM level?

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sidefx

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#839844 19-Jun-2013 21:07

Hmm, I'm not sure how to tell DLM level on that firmware version :) But wow yeah, those sync rates at that attenuation and that spectrum graph looks terrible!

"I was born not knowing and have had only a little time to change that here and there." | Octopus Energy | Sharesies
- Richard Feynman

SamF

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#839847 19-Jun-2013 21:11

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! :)

stevehodge

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#839848 19-Jun-2013 21:14

SamF: Yeah, we still don't really know the exact threshold for either errors or resyncs do we?

Not even a good idea lol. I think the goal posts might have moved too...

JonoNZ

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#839849 19-Jun-2013 21:14

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...

hio77

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#839852 19-Jun-2013 21:16

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..

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