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Author Topic: Interleaving - how long does it take to remove?  (Read 10746 times)

Chrysalis

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Re: Interleaving - how long does it take to remove?
« Reply #45 on: April 08, 2020, 06:33:05 PM »

Yeah not sure why I thought D was delay, sorry guys, I havent looked at stats for ages so, kitz corrected me on that one.

If I get a 3 day recovery I will expect fast path either tomorrow or more likely friday, the error rate is currently extremely low, 0 errors for the current 17 hours today and 15 in total for the 2 days 17 hours uptime.

But seems more likely on this new DLM, it will be end of next week. :(

j0hn if you interested in what triggered the DLM, my historical stats are available in the sig, check for date 2020-04-06.

After recovery I am tempted to cap the line to try and get at least to 9db DS SNRM.
« Last Edit: April 08, 2020, 06:35:52 PM by Chrysalis »
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Chrysalis

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Re: Interleaving - how long does it take to remove?
« Reply #46 on: April 13, 2020, 07:41:03 PM »

Starting to think the original issue and another issue today is down to someone doing work on cabinet or loop.

Reason been today I had 2 spikes of errors, but also a extended period of downtime with no sync at all, for something to cause complete loss of sync for over an hour suggests work in the cabinet or something.

This type of situation shows how broken DLM can be, a 24/7 interleaved state for error spikes a week apart, and powerless against a "real" problem such as the outage.
« Last Edit: April 13, 2020, 07:43:36 PM by Chrysalis »
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Chrysalis

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Re: Interleaving - how long does it take to remove?
« Reply #47 on: April 14, 2020, 09:17:17 PM »

Graphing has stopped again for my line dslstats silently closed, yesterday I waited till past midnight and manually uploaded the previous day to history, I will do the same today, the reason is if I restart dslstats it wipes the existing graph and then lose the existing days data.  So will resume after midnight, and with todays graph intact in history (up to 5pm).

Also after yesterdays outage my latency went down 9ms, I am back at the levels that I had on the default ECI profile.  Sync speed I Capped slightly above the 67mbit banding level, aware I am risking a 74mbit banding, but this should prevent a 67mbit banding.
« Last Edit: April 14, 2020, 09:20:26 PM by Chrysalis »
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Chrysalis

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Re: Interleaving - how long does it take to remove?
« Reply #48 on: April 15, 2020, 11:50:13 PM »

Interleaving was removed yesterday. or I should say earlier today.
« Last Edit: April 16, 2020, 04:00:51 AM by Chrysalis »
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Bully

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Re: Interleaving - how long does it take to remove?
« Reply #49 on: April 17, 2020, 07:45:54 PM »

Hi,

I am having High FEC errors and my line is interleaved on downstream, stats below.  I am connected to an ECI cabinet and am using A Draytek Vigor 130 modem, on BT infinity FTTC.

---------------------- ATU-R Info (hw: annex A, f/w: annex A/B/C) -----------
   Running Mode            :      17A       State                : SHOWTIME
   DS Actual Rate          : 35000000 bps   US Actual Rate       : 10666000 bps
   DS Attainable Rate      : 44606048 bps   US Attainable Rate   : 10707098 bps
   DS Path Mode            :  Interleave    US Path Mode         :        Fast
   DS Interleave Depth     :     1514       US Interleave Depth  :        1
   NE Current Attenuation  :       20 dB    Cur SNR Margin       :        5  dB
   DS actual PSD           :     6. 4 dB    US actual PSD        :    13. 0  dB
   NE CRC Count            :        1       FE CRC Count         :     4046
   NE ES Count             :        1       FE  ES Count         :     2646
   Xdsl Reset Times        :        0       Xdsl Link  Times     :        4
   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 :       27 dB    Far SNR Margin       :        6  dB
   CO ITU Version[0]       : b5004946       CO ITU Version[1]    : 544ed086
   DSLAM CHIPSET VENDOR    : < IFTN >

[ Counters: Showtime ]
                  Near End        Far End    Note
 ElapsedTime  :   385676            385676 (seconds)
 CRC          :     -1            4046
 FEC          :   265415461            53814
 HEC          :      0               0
 CRC_P        :     -1               0
 CRCP_P       :      0               0
 CVP_P        :      0               0
 NCD          :      0               0
 LCD          :      0               0
 ES           :      0            2646
 SES          :      3              31
 LOSS         :      0               1
 UAS          :      0               0
 LOFS         :      0               0
 [ Counters: 15Min ]
                  Near End        Far End    Note
 ElapsedTime  :    150             150 (seconds)
 CRC          :      0               0
 FEC          :   374657               0
 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  :   10050            10050 (seconds)
 CRC          :      0               0
 FEC          :   24097803               0
 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
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Jon21

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Re: Interleaving - how long does it take to remove?
« Reply #50 on: October 11, 2021, 04:52:36 PM »

Bit of a thread ressurection but, connection is back to interleaving. I'm guessing it's probably because of the 3 peaks in error seconds? Didn't have much more than 500 ES in the day so should be below the thresholds. Getting very tempted to give Virgin Media another go. Just a little unsure as they were terrible around here a few years ago, hopefully they have improved the network with it now being capable of 1Gb in this area.

Code: [Select]
adsl: ADSL driver and PHY status
Status: Showtime
Last Retrain Reason:    1
Last initialization procedure status:   0
Max:    Upstream rate = 13712 Kbps, Downstream rate = 78845 Kbps
Bearer: 0, Upstream rate = 13680 Kbps, Downstream rate = 66078 Kbps

Link Power State:       L0
Mode:                   VDSL2 Annex B
VDSL2 Profile:          Profile 17a
TPS-TC:                 PTM Mode(0x0)
Trellis:                U:ON /D:ON
Line Status:            No Defect
Training Status:        Showtime
                Down            Up
SNR (dB):        6.2             6.0
Attn(dB):        19.6            0.0
Pwr(dBm):        13.3            6.8

                        VDSL2 framing
                        Bearer 0
MSGc:           18              19
B:              51              238
M:              1               1
T:              64              13
R:              12              16
S:              0.0250          0.5560
L:              20448           3669
D:              1293            1
I:              64              255
N:              64              255

                        Counters
                        Bearer 0
OHF:            32181228                160228
OHFErr:         10              21
RS:             3943269355              3133355
RSCorr:         42106           354
RSUnCorr:       705             0

                        Bearer 0
HEC:            156             0
OCD:            0               0
LCD:            0               0
Total Cells:    2283865645              0
Data Cells:     24030966                0
Drop Cells:     0
Bit Errors:     0               0

ES:             7041            6842
SES:            61              4
UAS:            66              53126
AS:             51781

                        Bearer 0
INP:            3.00            0.00
INPRein:        0.00            0.00
delay:          8               0
PER:            1.60            9.07
OR:             119.34          22.04
AgR:            66197.41        13701.63

Bitswap:        5987/6015               2/2

Total time = 34 days 4 hours 10 min 47 sec
FEC:            42106           354
CRC:            10              21
ES:             7041            6842
SES:            61              4
UAS:            66              53126
LOS:            1               0
LOF:            7               0
LOM:            0               0
Latest 15 minutes time = 10 min 47 sec
FEC:            1055            3
CRC:            0               0
ES:             0               0
SES:            0               0
UAS:            0               0
LOS:            0               0
LOF:            0               0
LOM:            0               0
Previous 15 minutes time = 15 min 0 sec
FEC:            1197            1
CRC:            0               0
ES:             0               0
SES:            0               0
UAS:            0               0
LOS:            0               0
LOF:            0               0
LOM:            0               0
Latest 1 day time = 4 hours 10 min 47 sec
FEC:            16361           45
CRC:            0               3
ES:             0               3
SES:            0               0
UAS:            0               0
LOS:            0               0
LOF:            0               0
LOM:            0               0
Previous 1 day time = 24 hours 0 sec
FEC:            25745           309
CRC:            10              18
ES:             311             3429
SES:            11              2
UAS:            38              26580
LOS:            1               0
LOF:            7               0
LOM:            0               0
Since Link time = 14 hours 22 min 59 sec
FEC:            42106           354
CRC:            10              21
ES:             3               3429
SES:            0               2
UAS:            0               26552
LOS:            0               0
LOF:            0               0
LOM:            0               0
NTR: mipsCntAtNtr=0 ncoCntAtNtr=0
 >
« Last Edit: October 11, 2021, 04:55:29 PM by Jon21 »
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Chrysalis

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Re: Interleaving - how long does it take to remove?
« Reply #51 on: October 13, 2021, 10:23:14 AM »

Kitz has mentioned in a few recent posts that the DLM has changed a bit and it checks over a smaller period than 24 hours now.  So some people have triggered DLM without exhausting the daily limit.
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Jon21

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Re: Interleaving - how long does it take to remove?
« Reply #52 on: October 25, 2021, 04:53:57 PM »

Interleaving was removed just after 2am this morning. 14 days this time.
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Jon21

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Re: Interleaving - how long does it take to remove?
« Reply #53 on: October 27, 2021, 05:34:55 PM »

Gone straight back to interleaved. I can't see anything obviously wrong with the line, although DSLStats is showing a fairly constant 50-60 ES/hour for yesterday. I had a feeling that DLM would stick interleaving back on in the early hours, so pre-emptively placed an order with Virgin. Hopefully the network has improved since I was last with them, although have 14 days to find out. Can always use this one as a backup connection until the contract runs out.

Code: [Select]
adsl info --stats
adsl: ADSL driver and PHY status
Status: Showtime
Last Retrain Reason:    1
Last initialization procedure status:   0
Max:    Upstream rate = 13774 Kbps, Downstream rate = 78772 Kbps
Bearer: 0, Upstream rate = 13803 Kbps, Downstream rate = 66026 Kbps

Link Power State:       L0
Mode:                   VDSL2 Annex B
VDSL2 Profile:          Profile 17a
TPS-TC:                 PTM Mode(0x0)
Trellis:                U:ON /D:ON
Line Status:            No Defect
Training Status:        Showtime
                Down            Up
SNR (dB):        6.2             6.0
Attn(dB):        19.6            0.0
Pwr(dBm):        13.3            6.6

                        VDSL2 framing
                        Bearer 0
MSGc:           18              18
B:              51              238
M:              1               1
T:              64              21
R:              12              16
S:              0.0251          0.5511
L:              20432           3702
D:              1293            1
I:              64              255
N:              64              255

                        Counters
                        Bearer 0
OHF:            34940478                683670
OHFErr:         22              35
RS:             354670280               335164
RSCorr:         97574           237
RSUnCorr:       1035            0

                        Bearer 0
HEC:            188             0
OCD:            0               0
LCD:            0               0
Total Cells:    2847941229              0
Data Cells:     12538367                0
Drop Cells:     0
Bit Errors:     0               0

ES:             8051            14692
SES:            83              8
UAS:            142             106390
AS:             56265

                        Bearer 0
INP:            3.00            0.00
INPRein:        0.00            0.00
delay:          8               0
PER:            1.61            8.71
OR:             119.25          22.03
AgR:            66145.61        13824.86

Bitswap:        10834/10859             8/8

Total time = 50 days 4 hours 48 min 39 sec
FEC:            1693805         3815
CRC:            6707            351
ES:             8051            14692
SES:            83              8
UAS:            142             106390
LOS:            3               0
LOF:            22              0
LOM:            0               0
Latest 15 minutes time = 3 min 39 sec
FEC:            1722            2
CRC:            2               0
ES:             1               0
SES:            0               0
UAS:            0               0
LOS:            0               0
LOF:            0               0
LOM:            0               0
Previous 15 minutes time = 15 min 0 sec
FEC:            2407            2
CRC:            0               0
ES:             0               0
SES:            0               0
UAS:            0               0
LOS:            0               0
LOF:            0               0
LOM:            0               0
Latest 1 day time = 4 hours 48 min 39 sec
FEC:            44530           139
CRC:            12              17
ES:             3               15
SES:            0               0
UAS:            0               0
LOS:            0               0
LOF:            0               0
LOM:            0               0
Previous 1 day time = 24 hours 0 sec
FEC:            53044           98
CRC:            10              18
ES:             325             3801
SES:            12              2
UAS:            38              26649
LOS:            1               0
LOF:            7               0
LOM:            0               0
Since Link time = 15 hours 37 min 43 sec
FEC:            97574           237
CRC:            22              35
ES:             5               3800
SES:            0               2
UAS:            0               26622
LOS:            0               0
LOF:            0               0
LOM:            0               0
NTR: mipsCntAtNtr=0 ncoCntAtNtr=0
 >
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g3uiss

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Re: Interleaving - how long does it take to remove?
« Reply #54 on: October 27, 2021, 05:42:13 PM »

Can’t be sure the Virgin line won’t get interleaved assuming it’s delivered over OR copper in the same bundle as the existing line. Does the interleave stop you using the line in some way perhaps?
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Jon21

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Re: Interleaving - how long does it take to remove?
« Reply #55 on: October 27, 2021, 05:57:37 PM »

Can’t be sure the Virgin line won’t get interleaved assuming it’s delivered over OR copper in the same bundle as the existing line. Does the interleave stop you using the line in some way perhaps?
Virgin have their own network. To be perfectly honest, not really. The slightly higher upload speed (gone for M200) will be useful for my mum when she is working from home. Tbh, if it doesn't meet my expectations, I'll just cancel Virgin within the 14 days but I'm willing to give them a go.
« Last Edit: October 27, 2021, 06:45:22 PM by Jon21 »
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g3uiss

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Re: Interleaving - how long does it take to remove?
« Reply #56 on: October 27, 2021, 06:33:30 PM »

Ah so your able to get a cable connection then, that should be much better than FTTC
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Alex Atkin UK

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Re: Interleaving - how long does it take to remove?
« Reply #57 on: October 28, 2021, 12:53:06 AM »

Ah so your able to get a cable connection then, that should be much better than FTTC

That's a whole different can of worms, when cable gets contention it tends be much much worse than DSL.  But when it works well, its pretty awesome.
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Jon21

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Re: Interleaving - how long does it take to remove?
« Reply #58 on: October 28, 2021, 12:00:16 PM »

That's a whole different can of worms, when cable gets contention it tends be much much worse than DSL.  But when it works well, its pretty awesome.
This, pretty much. When it works, it’s great. Last time I was with Virgin, there was upstream congestion, which was painful at peak times.

Interestingly, there’s a few Openreach vans/lorries that have turned up today. Seem to be checking the ducts in the pavement. Not sure what for, I know there’s FTTP planned for here but seemingly anytime up till 2025. Unless it’s for the planned 5G mast at the top of the road? Do Openreach do work for mobile providers?
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g3uiss

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Re: Interleaving - how long does it take to remove?
« Reply #59 on: October 28, 2021, 12:46:52 PM »

I think if I had a cable service I wouldn’t have left it for FTTC !
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