[Bully]

UK Sentinel wrote:

Bully wrote:

UK Sentinel wrote:

In essence, you ideally are looking for Fastpath both upstream and downstream and increasing SNR could help, I thought your SNR was already 5 or 6 so any increase on this will reduce synch speeds so less bandwidth and 5 or 6 is good already for stability etc. What is your ping to http://www.bbc.co.uk ? Is you SNR 5 ? (I forget)

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 15ms, Maximum = 25ms, Average = 19ms SNR 6

A slow round trip ping, I remember reading some time ago about a DrayTek 130 owner whom had a slow line and used the below code to increase synch speed etc vdsl snr -50 Basically this reduces line SNR value, maybe worth a try and if to many DSL disconnects, revert back? If no joy then to get back type: vdsl snr 50

 

My thinking was upping the snr to see if it would reduce the interleaving over time, and if it does then revert back to default snr value.

 

Changing the snr value seems to instantly change the interleave figure, raising the snr reduces the interleave figure and reducing the snr raises the interleave figure.

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[Bully]

UK Sentinel wrote:

In essence, you ideally are looking for Fastpath both upstream and downstream and increasing SNR could help, I thought your SNR was already 5 or 6 so any increase on this will reduce synch speeds so less bandwidth and 5 or 6 is good already for stability etc. What is your ping to http://www.bbc.co.uk ? Is you SNR 5 ? (I forget)

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 15ms, Maximum = 25ms, Average = 19ms

SNR 6

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[Bully]

If I increased my snr value would this help reduce interleaving?

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[Bully]

It is approx 2 yards from a street light pole, the street light pole is approx 5 ft lower than the BT pole where the wires connect to it and connect into a box on the pole.

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[Bully]

Poles

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[Bully]

It is not near a microwave, but it is in a shared socket with my Asus router.

 

EDIT – No

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[Bully]

———————- ATU-R Info (hw: annex A, f/w: annex A/B/C) ———–
Running Mode            :      17A       State                : SHOWTIME
DS Actual Rate          : 38285000 bps   US Actual Rate       : 10491000 bps
DS Attainable Rate      : 44764888 bps   US Attainable Rate   : 10621809 bps
DS Path Mode            :  Interleave    US Path Mode         :        Fast
DS Interleave Depth     :      558       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            :        2       FE CRC Count         :     1355
NE ES Count             :        1       FE  ES Count         :     1141
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 >

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[Bully]

rare drop outs now, slower speed on down stream, increased ping.

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[Bully]

Yeah with the draytek 130

———————- 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         :   5236            24550 (seconds)
ES           :      1            1141 (seconds)
SES          :      0              10 (seconds)
LOSS         :      0               0 (seconds)
UAS          :     33            23723 (seconds)
HECError     :      0               0
CRC          :      2            1355
RsCorrection :      0               0
INP          :      0              15 (symbols)
InterleaveDelay :      0             800 (1/100 ms)
NFEC         :    255              85
RFEC         :     16              16
LSYMB        :   2815            11849
INTLVBLOCK   :    255              85
AELEM        :      0            —

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[Bully]

Hi, Just looking at my line stats and noticed this line –

InterleaveDelay :      0             800 (1/100 ms).  It used to be 0 0

what does this mean ?

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[Bully]

Now I don’t know what to do lol

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[Bully]

Should I have AiProtection enabled on this router?  I’m worried if I turn it on it will hinder its performance?

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[Bully]

UK Sentinel wrote:

Interesting, yes had a good look and as you say, works really well for ECI (Infineon) Cabs if your SNR (Downstream) is at 6dB, a cheeky way to get a little extra from those pesky ECI Cabs/DSLAM that do not support G.INP. I think we should nominate you as our DrayTek 130 Modem resident expert Thanks for update.

I just want the best from my line and searched online for the info and thought I’d share my findings.

since I reduced my snr to 4db my line stats have increased to –

DS Actual Rate  : 47075000 bps   US Actual Rate : 11810000 bps.

DS Attainable Rate : 56175320 bps   US Attainable Rate : 11940192 bps

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[Bully]

UK Sentinel wrote:

Bully wrote:

I started getting a lot of errors when I upgraded to 3.8.3 BT firmware which in turn up interleaveing on my line. I switch to the alternative firmware (which was recommended on the Draytek forum as I’m on an ECI cab) my errors reduced and my line speed increased. SNR is at 6db at present.

Perfect and thanks for the information, hopefully others will benefit from this news also Did anyone mention on the DrayTek forum issues with 3.8.3 BT Firmware if you are connected to a Broadcom (Huawei) cab?

 

No, no issues report on a Broadcom cabinet.

 

I have reduced my snr further by entering the cmd vdsl snr -25, it is now on 4db.

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[Bully]

I started getting a lot of errors when I upgraded to 3.8.3 BT firmware which in turn up interleaveing on my line.  I switch to the alternative firmware (which was recommended on the Draytek forum as I’m on an ECI cab) my errors reduced and my line speed increased.  SNR is at 6db at present.

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[Author]

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