- This topic has 717 replies, 4 voices, and was last updated August 1, 2020 at 9:50 am by
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To be fair my Draytek has been solid now for some months. I found a forum stating that the Draytek has vectoring enabled and can cause an unstable line, I disabled this via a CLI command and it has been rock solid till now.
I cant remember if i tried my HG612 either lol.
I have also read somewhere the quickest way to reduce interleaving is to cap the line via a CLI command, not that i know what that command is on the Draytek.
What’s your > vdsl status more results, can you paste them here?
Edit: do you happen to have an old AM/MW radio if so tune it to 612KHz and walk around house /outside etc. to see if you have any interference via REIN etc.
For capping speeds via DrayTeK 130, I would cap speeds via ASUS router as I am sure capping a modem cannot help with Interleaving, maybe changing SNR would help, but usually best to let DSLAM do its stuff.
For all things CLI DrayTeK, take a look at attachment
DrayTek-CLIRef-2016-1-3.pdf (10 downloads)
In a completely sane world, madness is the only freedom (J.G.Ballard).
———————- ATU-R Info (hw: annex A, f/w: annex A/B/C) ———–
Near End Far End Note
Trellis : 1 1
Bitswap : 0 1
ReTxEnable : 0 0
VirtualNoise : 0 0
20BitSupport : 0 0
LatencyPath : 0 0
LOS : 0 0
LOF : 0 0
LPR : 0 0
LOM : 0 0
SosSuccess : 0 0
NCD : 0 0
LCD : 0 0
FECS : 49924920 53123 (seconds)
ES : 6901 2626 (seconds)
SES : 0 31 (seconds)
LOSS : 0 1 (seconds)
UAS : 32 80139 (seconds)
HECError : 0 0
CRC : 246559 4012
RsCorrection : 0 0
INP : 0 40 (symbols)
InterleaveDelay : 0 1600 (1/100 ms)
NFEC : 255 64
RFEC : 16 16
LSYMB : 2862 11528
INTLVBLOCK : 255 64
AELEM : 0 —-@Grisu – long story but issue is not modem, not all users are as knowledgeable as U and I
– no harm in any user asking (we are a friendly forum)
@Bully – thanks for stats, all looks as expected, I wanted to see if they was trailing G.INP on your ECI DSLAM, but looks like you are not one of the “chosen” ones ;-)CAP Router speeds and see if DLM does its stuff for your CRC’s but did notice one of your Bitswaps is off, just checking old post ?
Update; your old stats are the same regarding bitswap, so no change but it is odd why your Near End Bitswap is Off ?
Just checked my Draytek 130 and both bitswap near and far are On, I am on a Huawei Cabinet and checked other posts and they are on ECI and Bitswap is On/On ?
Interesting I think ?
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This reply was modified 1 year ago by .
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This reply was modified 1 year ago by .
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This reply was modified 1 year ago by .
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This reply was modified 1 year ago by .
In a completely sane world, madness is the only freedom (J.G.Ballard).
Hi, I updated to the latest Merlin firmware this morning (about 9 am) and since doing so my NE CRC count has gone up to 326598 over 5 hours.
No, my question has been asked seriously!
I dont understand how router update may influence modem CRCs and as he told it occoured on his line. And I dont think it can’t happen, maybe some frequent requests need too much ressources from modem and brings it half way down. There is a lot we cant imagine but happens in reality.
@Grisu – very rare for faulty routers to cause issues with modem synch/stability, but does happen especially with faulty power supplies on routers plugged into same power sockets / extensions as modem etc.
Luckily for @Bully, just bad luck they noticed problem after upgrade, might have been happening before or something caused a power spike with modem (who really knows) ?
In a completely sane world, madness is the only freedom (J.G.Ballard).
Hi, I updated to the latest Merlin firmware this morning (about 9 am) and since doing so my NE CRC count has gone up to 326598 over 5 hours.
No, my question has been asked seriously! I dont understand how router update may influence modem CRCs and as he told it occoured on his line. And I dont think it can’t happen, maybe some frequent requests need too much ressources from modem and brings it half way down. There is a lot we cant imagine but happens in reality.
@Grisu I thought it could only be the router firmware upgrade as stats and line was solid before the firmware upgrade.@UK Sentinel – any way to turn the Near End Bitswap back on, or should I leave it off?
I do not know why it is disabled, but to enable try:
“vdsl optn bitswap bi 1 on”
but not sure on exact telnet cmd so check out page 176 of above draytek cmd document and do a backup. just incase
In a completely sane world, madness is the only freedom (J.G.Ballard).
tried the command vdsl optn bitswap bi 1 on but it is still showing as off on the DS.
My errors on the down stream after reboot is staying on 1 count now.
**EDIT** Just checked again and is now showing as enable on DS and US.
Current stats –
NE CRC Count : 741 FE CRC Count : 4023
NE ES Count : 15 FE ES Count : 2633-
This reply was modified 1 year ago by .
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This reply was modified 1 year ago by .
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This reply was modified 1 year ago by .
Did it say the cmd completed correctly ?
Error count to 1 ;-)
In a completely sane world, madness is the only freedom (J.G.Ballard).
Edited my last post above
———————- ATU-R Info (hw: annex A, f/w: annex A/B/C) ———–
Running Mode : 17A State : SHOWTIME
DS Actual Rate : 34999000 bps US Actual Rate : 10681000 bps
DS Attainable Rate : 45404592 bps US Attainable Rate : 10761705 bps
DS Path Mode : Interleave US Path Mode : Fast
DS Interleave Depth : 1475 US Interleave Depth : 1
NE Current Attenuation : 20 dB Cur SNR Margin : 6 dB
DS actual PSD : 6. 4 dB US actual PSD : 12. 9 dB
NE CRC Count : 741 FE CRC Count : 4023
NE ES Count : 15 FE ES Count : 2633
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 : 27 dB Far SNR Margin : 6 dB
CO ITU Version[0] : b5004946 CO ITU Version[1] : 544ed086
DSLAM CHIPSET VENDOR : < IFTN >
> vdsl status more———————- ATU-R Info (hw: annex A, f/w: annex A/B/C) ———–
Near End Far End Note
Trellis : 1 1
Bitswap : 1 1
ReTxEnable : 0 0
VirtualNoise : 0 0
20BitSupport : 0 0
LatencyPath : 0 0
LOS : 0 0
LOF : 0 0
LPR : 0 0
LOM : 0 0
SosSuccess : 0 0
NCD : 0 0
LCD : 0 0
FECS : 377647 53302 (seconds)
ES : 16 2634 (seconds)
SES : 1 31 (seconds)
LOSS : 0 1 (seconds)
UAS : 33 80317 (seconds)
HECError : 0 0
CRC : 816 4025
RsCorrection : 0 0
INP : 0 40 (symbols)
InterleaveDelay : 0 1600 (1/100 ms)
NFEC : 255 64
RFEC : 16 16
LSYMB : 2866 11794
INTLVBLOCK : 255 64
AELEM : 0 —-So was it the cmd that work for bitswap ?
Edit: just seen your last post/edit, good news about bitswap being enabled, just remember config will not stay after reboot, to save config you need to do the following.
“vdsl savecfg ” I would leave all alone for a few days and see what happens
In a completely sane world, madness is the only freedom (J.G.Ballard).
Yeah it worked, just took its time in showing as enabled.
In a completely sane world, madness is the only freedom (J.G.Ballard).
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This reply was modified 1 year ago by
– no harm in any user asking (we are a friendly forum) 
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