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Author Topic: Interleaving - how long does it take to remove?  (Read 7125 times)

Jon21

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Interleaving - how long does it take to remove?
« on: November 19, 2019, 01:18:44 PM »

In the early hours of Friday morning, my connection dropped and came back up with interleaving applied. I think it was because there was a large burst of ES on Thursday. Not sure what caused it, I've gone back to using a Draytek Vigor 130. I've also replaced the DSL cable from the master socket to modem. The RJ11 end was looking a bit suspect, sheathing had broken at the crimp on the plug. Ordered another one from Run-IT-Direct and the build quality seems to be improved compared to the old one. Was just wondering how long it takes to go back to Fastpath?

Stats from Draytek:
---------------------- ATU-R Info (hw: annex A, f/w: annex A/B/C) -----------
   Running Mode            :      17A       State                : SHOWTIME
   DS Actual Rate          : 59824000 bps   US Actual Rate       : 14116000 bps
   DS Attainable Rate      : 69388504 bps   US Attainable Rate   : 14121272 bps
   DS Path Mode            :  Interleave    US Path Mode         :        Fast
   DS Interleave Depth     :      872       US Interleave Depth  :        1
   NE Current Attenuation  :       20 dB    Cur SNR Margin       :        6  dB
   DS actual PSD           :     6. 4 dB    US actual PSD        :    13. 0  dB
   NE CRC Count            :        0       FE CRC Count         :     5073
   NE ES Count             :        0       FE  ES Count         :     4040
   Xdsl Reset Times        :        0       Xdsl Link  Times     :        1
   ITU Version[0]          : fe004452       ITU Version[1]       : 41590000
   VDSL Firmware Version   : 05-07-06-0D-01-07   [with Vectoring support]
   Power Management Mode   : DSL_G997_PMS_L0
   Test Mode               : DISABLE
  -------------------------------- ATU-C Info ---------------------------------
   Far Current Attenuation :       26 dB    Far SNR Margin       :        6  dB
   CO ITU Version[0]       : b5004946       CO ITU Version[1]    : 544ed086
   DSLAM CHIPSET VENDOR    : < IFTN >
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ktz392837

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Re: Interleaving - how long does it take to remove?
« Reply #1 on: November 19, 2019, 05:51:46 PM »

It all depends. 

My connection has had interleaving applied for the past 14d after a burst of ES (400 or so) in a couple of hours period. 

Way below the 2440 max allowed in the day but must have hit some unknown limit perhaps per hour.

I have had a maximum of 5 ES/hr since normally 0/1 with 10 CRC/hr. 

No idea why it is being reluctant to remove this time in the past it used to take 3 or 5 days maximum but the last couple of times it has happened (storms) it was 10d and 12d iirc.

I'm also on an ECI cab which isn't great. 

I may try switching off for 30m or so and see if a resync will wake up the DLM, 14d is getting ridiculous.
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broadstairs

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Re: Interleaving - how long does it take to remove?
« Reply #2 on: November 19, 2019, 09:04:38 PM »

Not wishing to upset anyone but I've been interleaved (and capped at 60mbps) now for nearly 4 years on an ECI cabinet, even BTOR have no idea why!

Stuart
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NewtronStar

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Re: Interleaving - how long does it take to remove?
« Reply #3 on: November 19, 2019, 09:43:07 PM »

All you can now do is make sure your VDSL2 connection stays stable for next 2 weeks with out any forced resyncs and very few errored seconds per day like under 10 good luck.
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Chrysalis

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Re: Interleaving - how long does it take to remove?
« Reply #4 on: November 20, 2019, 08:06:56 AM »

Ideally we need to see ES rates over a period of time.

To ktz392837 I think 5 ES/hour "whilst" interleaved is not particularly low.  Bear in mind the green threshold is probably very low.  Green on Interleaving will be way way lower than green on fast path.

Also the recovery period increases if you have more incidents, I dont know if it ever reverts back to a 2 day recovery e.g. if you have no incident for a year, but the recovery time will increase if it has repeated incidents.
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ktz392837

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Re: Interleaving - how long does it take to remove?
« Reply #5 on: November 20, 2019, 09:12:29 AM »

My 15d since interleaving applied is averaging
Down ES 0.33/hr
Up ES 1.22/hr

There has been a down high of 9 ES and upload high of 25 ES in a hour period iirc.

It is very annoying it is not getting removed I wish we had some hard numbers on the limits. 

Hopefully one morning I will wake up and DLM has reset to normal overnight :)
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Jon21

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Re: Interleaving - how long does it take to remove?
« Reply #6 on: November 20, 2019, 10:44:20 AM »

Some more stats. Not quite a days worth. Seems to be about 1 Down ES a day and 9 Up ES a day, at the moment.
Code: [Select]
[ Counters: Showtime ]
                  Near End        Far End    Note
 ElapsedTime  :   67888            67888 (seconds)
 CRC          :      5            5084
 FEC          :   40243            66160
 HEC          :      0               0
 CRC_P        :      1               0
 CRCP_P       :      0               0
 CVP_P        :      0               0
 NCD          :      0               0
 LCD          :      0               0
 ES           :      1            4049
 SES          :      0               3
 LOSS         :      0               0
 UAS          :      0               0
 LOFS         :      0               0
 [ Counters: 15Min ]
                  Near End        Far End    Note
 ElapsedTime  :    449             449 (seconds)
 CRC          :      0               0
 FEC          :     21               2
 HEC          :      0               0
 CRC_P        :      0               0
 CRCP_P       :      0               0
 CVP_P        :      0               0
 NCD          :      0               0
 LCD          :      0               0
 ES           :      0               0
 SES          :      0               0
 LOSS         :      0               0
 UAS          :      0               0
 LOFS         :      0               0
 [ Counters: 1DAY ]
                  Near End        Far End    Note
 ElapsedTime  :   77849            77849 (seconds)
 CRC          :      5            5084
 FEC          :   40243            66160
 HEC          :      0               0
 CRC_P        :      1               0
 CRCP_P       :      0               0
 CVP_P        :      0               0
 NCD          :      0               0
 LCD          :      0               0
 ES           :      1            4049
 SES          :      0               3
 LOSS         :      0               0
 UAS          :      0               0
 LOFS         :      0               0
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ktz392837

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Re: Interleaving - how long does it take to remove?
« Reply #7 on: November 21, 2019, 07:37:20 AM »

Yay back to fast path, sync speed returned, interleaving removed.

What solved it for me:

1. Posting to Kitz forums
2. Unplugging from line for 6+ hours
3. Absolutely pure coincidence the DLM does as it likes you have no control over it

Number 3 it is ;)

Let's hope the nearly 2000 upload ES  reported by DSLstats in the hour it resynced is just a stats glitch and not actually ES otherwise DLM will no doubt intervene tonight!
« Last Edit: November 21, 2019, 07:48:56 AM by ktz392837 »
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Chrysalis

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Re: Interleaving - how long does it take to remove?
« Reply #8 on: November 21, 2019, 12:56:44 PM »

To give you hope when i first flashed to newer firmware, I had the same ES spike reported, the ES were not showing in the telnet stats (just dslstats). and my DLM was not affected.  IF it shows in your live telnet stats I would perhaps be a bit concerned, but fingers crossed.
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mrk26

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Re: Interleaving - how long does it take to remove?
« Reply #9 on: November 21, 2019, 01:03:18 PM »

Don't want start new thread so will ask here as I recently back on fastpatch (again) also on ECI cabinet.
What is acceptable amount of errors per day, CR, HEC, ES, only these errors appear on my line. I'm on ee broadband so not sure about profile, where even ee seems to don't know that.
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Chrysalis

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Re: Interleaving - how long does it take to remove?
« Reply #10 on: November 21, 2019, 01:08:35 PM »

I think its 2880 for speed profile, and 1440 for standard profile, these I think are right from memory, the numbers are on the kitz wiki as well.  This is for ES, I dont think they bother with CRC or HEC.
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mrk26

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Re: Interleaving - how long does it take to remove?
« Reply #11 on: November 21, 2019, 01:22:29 PM »

In that case I may remove cap completely over the weekend, at the moment I capped my line to 65Mb/s from available 76Mb/s and getting just over 100 ES per day.
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Jon21

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Re: Interleaving - how long does it take to remove?
« Reply #12 on: November 21, 2019, 02:00:05 PM »

Yay back to fast path, sync speed returned, interleaving removed.

What solved it for me:

1. Posting to Kitz forums
2. Unplugging from line for 6+ hours
3. Absolutely pure coincidence the DLM does as it likes you have no control over it

Number 3 it is ;)

Let's hope the nearly 2000 upload ES  reported by DSLstats in the hour it resynced is just a stats glitch and not actually ES otherwise DLM will no doubt intervene tonight!
So roughly ~15/16days to go back to Fastpath. DLM hasn't relented on my connection yet, just a waiting game I guess.
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mrk26

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Re: Interleaving - how long does it take to remove?
« Reply #13 on: November 21, 2019, 02:20:56 PM »

I think is all depend from conditions, I was waiting over two weeks with both upstream and downstream capped and where on upstream fastpatch kicked after three days on downstream didn't for over 15 days. I decided to remove cap from upstream as higher snr due to cap cause strange high snr on u0 band (if I good remember). After 3 days with cap from 69 to 58 on downstream only, fastpatch kicked in on downstream. I personally think that time doesn't matter, I have like 300k fec errors in over 15 days (no other errirs at all) and dlm didn't give me fastpatch, so there must be other conditions like snr on all bands which tell dlm if something else may be wrong with line, just basically on my own experience.
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ktz392837

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Re: Interleaving - how long does it take to remove?
« Reply #14 on: November 21, 2019, 03:16:40 PM »

I always used to go off the 2880/day rule but from my experience over the past three months or so I feel that interleaving is taking longer to be removed.

It used to take 2 or 3 days but the last few times for me it has been approximately 12d, 10d and 16d.

If you get a massive burst of ES (eg 500) the DLM can still kick in overnight even if you are no where near 2880 for the rest of the day.
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