My internet is my eternal bane.
I am on SKY super fast FTTC (1.7km away so pretty much at max distance for this). I have used various router/modem combinations, they all are unstable and require frequent resets for total connection loss.
Prior to using a Vigor 130 the max speeds D18 U0.5 this was both on a decent ASUS or the sky q router to my UDM.
Plugging in the Vigor my connection is far more stable the issue is that I am syncing at D13 only U0.5.
I have tried to change the firmware to the alternate version that is supposed to be better for the cabinet down the road, this just led to me being unable to connect at all.
Any advice would be appreciated (also the line from the cabinet is pristine as openreach did a lot of work to it after it went down last September)

I know the real answer is FTTP but the quote is eye watering.

vdsl status

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ATU-R Info (hw: annex A, f/w: annex A/B/C)

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Running Mode : 17A State : SHOWTIME
DS Actual Rate : 13093000 bps US Actual Rate : 447000 bps
DS Attainable Rate : 16170728 bps US Attainable Rate : 462350 bps
DS Path Mode : Interleave US Path Mode : Interleave
DS Interleave Depth : 211 US Interleave Depth : 10
NE Current Attenuation : 33 dB Cur SNR Margin : 6 dB
DS actual PSD : 11. 7 dB US actual PSD : 10. 1 dB
NE CRC Count : 0 FE CRC Count : 62228
NE ES Count : 0 FE ES Count : 34931
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

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ATU-C Info

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Far Current Attenuation : 50 dB Far SNR Margin : 8 dB
CO ITU Version[0] : b5004946 CO ITU Version[1] : 544ed086
DSLAM CHIPSET VENDOR : < IFTN >


vdsl status more

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ATU-R Info (hw: annex A, f/w: annex A/B/C)

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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 : 13 19233761 (seconds)
ES : 0 34931 (seconds)
SES : 0 3640 (seconds)
LOSS : 0 7 (seconds)
UAS : 24 712237 (seconds)
HECError : 0 0
CRC : 0 62228
RsCorrection : 0 0
INP : 20 15 (symbols)
InterleaveDelay : 800 800 (1/100 ms)
NFEC : 67 79
RFEC : 16 16
LSYMB : 154 4187
INTLVBLOCK : 67 79
AELEM : 0 ----

INP : 20 15 (symbols)
InterleaveDelay : 800 800 (1/100 ms)
NFEC : 67 79
RFEC : 16 16
LSYMB : 154 4187
INTLVBLOCK : 67 79

Your lucky BT/OpenReach allowed the connection, you are only just above the limit that makes FTTC pointless.
You have interleaving on both down and upstreams, that is caused by line issues/interference. The line is never going to deliver anything more than you see now unless it becomes stable and even then it will be a small increase. The more changes of modem/disconnects the lower your speed will get.

The DrayTek modem will always defer to stability versus speed . You either have a line that is faster but is unstable/crashes or one that is slower , stable and usable.

Thanks for the reply. It is pretty much as I expected but just hoped I was missing something. Just hope the new rural FTTP scheme coming next month makes it worthwhile.

If you can connect to FTTP you'll see a whole new world ))

If you won't be connected soon then you need to call Sky and complain about the constant problems, they should get OpenReach to visit to correct the line issues.

They have been many times and did a lot of work last September. They claim the line is as good as it can be.

Full fibre is the aim but at nearly £4000 per household it is a bit too rich for my neighbours taste.