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1926 posts

Uber Geek

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  # 1777076 7-May-2017 10:39
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DSL active since:
6 days, 18 hours, 19 minutes
VDSL2 17a (ITU G.993.2)

 

Lost 10 mbits per second from my downstream connection as a result of this, presume the move to 17a has caused this?  Anyway I can get this back up?


531 posts

Ultimate Geek


  # 1777091 7-May-2017 11:01
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No change here. I guess my line isnt up to it?

 

Line standard VDSL2
Downstream line rate (kbit/s) 36789
Upstream line rate (kbit/s) 5819
Downstream SNR (dB) 9.1
Upstream SNR (dB) 9
Downstream line attenuation (dB) 19.1
Upstream line attenuation (dB) 7.2
Downstream output power (dBmV) 18.6
Upstream output power (dBmV) 7
Downstream CRC 1650
Upstream CRC 17
Downstream FEC 289434
Upstream FEC 40


 
 
 
 


980 posts

Ultimate Geek

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  # 1777139 7-May-2017 13:06
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Torbay:

 

Went from:

 

51320/10616

 

To

 

58752/21336

 

A nice upload bump. And a bit of a bump for the download too.

 

On morning of Anzac Day.


608 posts

Ultimate Geek

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# 1777170 7-May-2017 15:00
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hio77: Interesting to hear you are getting latency movements.

 

I have the same problem too.  Before ddDLM, I was on 70 down, 30 up, and INP of 0, delay of 0ms.

 

And this is now:

 

Bearers generic info DS US
Payload rate [Kbps]: 69994 22188
Attenuation [dB]: 7.0 3.4
Margins [dB]: 9.9 8.5
Output power [dBm]: 14.5 -1.5

 

Number of bearers: 1
Bearer 0 DS US
INP [DMT symbols]: 2.50 0.50
Delay [ms]: 7.00 8.00
Depth []: 1271 0.00
R: 12 0

 

 

 

Hence, so far, ddLDM's gift to me is 8mbps lost on upstream, and more delays.   yell




'That VDSL Cat'
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  # 1777174 7-May-2017 15:03
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Give it time to settle in is all i can say...

So far not many lines have seen the gradual movements ddDLM is meant to do.




#include <std_disclaimer>

 

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


608 posts

Ultimate Geek

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  # 1777177 7-May-2017 15:05
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hio77: Give it time to settle in is all i can say...

So far not many lines have seen the gradual movements ddDLM is meant to do.

 

Yes, will leave it to settle.

 

By "gradual movements", do you mean one change daily at around 4am?


615 posts

Ultimate Geek


  # 1777178 7-May-2017 15:06
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AKLWestie:

 

hio77: Interesting to hear you are getting latency movements.

 

I have the same problem too.  Before ddDLM, I was on 70 down, 30 up, and INP of 0, delay of 0ms.

 

And this is now:

 

Bearers generic info DS US
Payload rate [Kbps]: 69994 22188
Attenuation [dB]: 7.0 3.4
Margins [dB]: 9.9 8.5
Output power [dBm]: 14.5 -1.5

 

Number of bearers: 1
Bearer 0 DS US
INP [DMT symbols]: 2.50 0.50
Delay [ms]: 7.00 8.00
Depth []: 1271 0.00
R: 12 0

 

 

 

Hence, so far, ddLDM's gift to me is 8mbps lost on upstream, and more delays.   yell

 

 

Presumably you were on 17a before ddDLM and still on it afterwards? Interesting that you've lost some sync speed - what could be the reason for that? Could it be increased crosstalk from 8b lines switching to 17a, meaning more competition on parts of the spectrum you previously had more to yourself?

 

My line hasn't changed since a day or two after the switch. Hanging in there on 17a with 68/14, 8dB/8dB, and lots of interleaving.


 
 
 
 


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  # 1777180 7-May-2017 15:16
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Presumably you were on 17a before ddDLM and still on it afterwards? Interesting that you've lost some sync speed - what could be the reason for that? Could it be increased crosstalk from 8b lines switching to 17a, meaning more competition on parts of the spectrum you previously had more to yourself?

 

My line hasn't changed since a day or two after the switch. Hanging in there on 17a with 68/14, 8dB/8dB, and lots of interleaving.

 

 

Yes I was on 17a before the change and maxed out the ikano card at 70 down / 30 up.  I don't think too many of my neighbours have VDSL so not too sure crosstalk getting worse on not.

 

Not that I am complaining.  What I have now is still pretty good and make no noticeable different prior to the change.


215 posts

Master Geek


  # 1777273 7-May-2017 18:12
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Before
---------------------- ATU-R Info (hw: annex A, f/w: annex A/B/C) -----------
Running Mode : 8B State : SHOWTIME
DS Actual Rate : 45556000 bps US Actual Rate : 8748000 bps
DS Attainable Rate : 45577152 bps US Attainable Rate : 8440000 bps
DS Path Mode : Fast US Path Mode : Fast
DS Interleave Depth : 0 US Interleave Depth : 0
NE Current Attenuation : 14 dB Cur SNR Margin : 11 dB
DS actual PSD : -6.-7 dB US actual PSD : 15. 3 dB
NE CRC Count : 0 FE CRC Count : 0
NE ES Count : 0 FE ES Count : 0
Xdsl Reset Times : 0 Xdsl Link Times : 3
ITU Version[0] : b5004946 ITU Version[1] : 544e0000
VDSL Firmware Version : 05-04-08-00-00-06
Power Management Mode : DSL_G997_PMS_L0
Test Mode : DISABLE
-------------------------------- ATU-C Info ---------------------------------
Far Current Attenuation : 0 dB Far SNR Margin : 10 dB
CO ITU Version[0] : b500494b CO ITU Version[1] : 4e530001
DSLAM CHIPSET VENDOR : < IKNS >

 

After
---------------------- ATU-R Info (hw: annex A, f/w: annex A/B/C) -----------
Running Mode : 8B State : SHOWTIME
DS Actual Rate : 44032000 bps US Actual Rate : 9688000 bps
DS Attainable Rate : 44057008 bps US Attainable Rate : 9416000 bps
DS Path Mode : Interleave US Path Mode : Interleave
DS Interleave Depth : 0 US Interleave Depth : 0
NE Current Attenuation : 14 dB Cur SNR Margin : 11 dB
DS actual PSD : -6.-6 dB US actual PSD : 15. 3 dB
NE CRC Count : 0 FE CRC Count : 0
NE ES Count : 0 FE ES Count : 0
Xdsl Reset Times : 0 Xdsl Link Times : 4
ITU Version[0] : b5004946 ITU Version[1] : 544e0000
VDSL Firmware Version : 05-04-08-00-00-06
Power Management Mode : DSL_G997_PMS_L0
Test Mode : DISABLE
-------------------------------- ATU-C Info ---------------------------------
Far Current Attenuation : 0 dB Far SNR Margin : 11 dB
CO ITU Version[0] : b500494b CO ITU Version[1] : 4e530001
DSLAM CHIPSET VENDOR : < IKNS >

 

 

 

but the ping goes up from 5ms to 20ms on speedtest now. So I guess mine didn't change much.


1926 posts

Uber Geek

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  # 1777284 7-May-2017 18:29
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I'm disappointed with the changes.  Currently syncing at a lower speed with higher latency, and a different profile and its been like this since last Sunday, very little evidence that the DSLAM has attempted to move the sync around.




'That VDSL Cat'
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  # 1777423 7-May-2017 22:08
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AKLWestie:

hio77: Give it time to settle in is all i can say...

So far not many lines have seen the gradual movements ddDLM is meant to do.


Yes, will leave it to settle.


By "gradual movements", do you mean one change daily at around 4am?



Yes i do.

So far I've seen one vdsl line make per line value adjustments.

I'll post up a screenshot probably tomorrow of my line. I poll my modem and store data into an elk stack.

Had periods of 17a, dropping back to 8b.
For my line i very much agree with ddDLM that 8b is more ideal than 17a.

I would say tbough the two profiles preformed almost identically. Maybe a slight drop in upstream.
On paper i would have expected downstream to take a beating tbh.

Realty vs theoretical eh? Just a little example.




#include <std_disclaimer>

 

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


93 posts

Master Geek


  # 1778578 9-May-2017 15:56
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Looks like my ADSL2 line was done early this morning, gone from 8.6/0.9 to 11.6/1

 

 


1926 posts

Uber Geek

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  # 1778685 9-May-2017 19:31
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So my VDSL line has still not improved 9 days later, still on 17a with loss of downstream and continued reduction in upstream.  Shame that this hasn't been an improvement in comparison to others.




'That VDSL Cat'
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  # 1778701 9-May-2017 19:52
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Benoire:

 

So my VDSL line has still not improved 9 days later, still on 17a with loss of downstream and continued reduction in upstream.  Shame that this hasn't been an improvement in comparison to others.

 

 

give it more time to settle in is all i can say..

 

 

 

Don't try to force back down to 8b, I messed with that the other day... Totally broke my line somehow..

 

Still at a loss of what exactly happened unless it totally perfectly timed with a copper fault returning!





#include <std_disclaimer>

 

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


98 posts

Master Geek
Inactive user


  # 1778703 9-May-2017 19:54
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eluSiveNZ:

 

Looks like my ADSL2 line was done early this morning, gone from 8.6/0.9 to 11.6/1

 

 

 

 

A 34% increase is nice! We are on 13.3/1 right now so that would see me jump to approx 17.5/1.1 I'd take that for free.


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