VDSL Upload sync rate halved overnight

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ssamjh

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#243097 26-Nov-2018 17:53

Hey all,

I am fairly new to VDSL technology so please excuse any mistakes I make but let me explain.

I recently got a VDSL connection installed, about 5 days ago. It was a new installation so we had to get a jackpoint put in etc, so the friendly Chorus tech helped me get my Draytek up and running.

He estimated that I would get 40-50Mb/s here, but we were both surprised to see the sync rate come in at 61/10 on the first day. Fast forward a few days, today I woke up to see my upload is just 5Mb/s (sync rate on modem shows 6 ish). My question, is it normal to suddenly lose half my upload speed overnight when it re-syncs?

Thanks in advance.

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hio77

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#2134806 26-Nov-2018 17:57

Quite likely there were errors on the line or it was disconnecting and as such ddDLM has pulled the line back to 12dB upstream snr.

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ssamjh

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#2134807 26-Nov-2018 17:59

hio77:

Quite likely there were errors on the line or it was disconnecting and as such ddDLM has pulled the line back to 12dB upstream snr.

I wasn't noticing many errors however the modem was being rebooted due to electrical problems more than I like yesterday - I think I should consider a UPS.

Is there any way to get it back? I presume just wait and hope ddDLM does it's thing, or request a DLM reset?

I have an Edgerouter EX-R on the way, due tomorrow. Once I get that setup and configure the static route so I can access the Draytek in bridge mode, I will see how it goes.

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Jase2985

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#2134808 26-Nov-2018 18:02

reboot it again tonight sometime (only once) and see what happens

hio77

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#2134809 26-Nov-2018 18:03

ssamjh:

hio77:

Quite likely there were errors on the line or it was disconnecting and as such ddDLM has pulled the line back to 12dB upstream snr.

I wasn't noticing many errors however the modem was being rebooted due to electrical problems more than I like yesterday - I think I should consider a UPS.

Is there any way to get it back? I presume just wait and hope ddDLM does it's thing, or request a DLM reset?

I have an Edgerouter EX-R on the way, due tomorrow. Once I get that setup and configure the static route so I can access the Draytek in bridge mode, I will see how it goes.

Electrical work is a great way to make ddDLM think the line is dodgy if it's of and on lots..

Your best option for recourse is, to be patient.

#include <std_disclaimer>

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ssamjh

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#2136406 29-Nov-2018 08:46

Electrical work is completely done now. UPS installed.

I have noticed the upload has increased slightly while the download took a hit of about 8Mb/s last night. I think I have 2 days left of the "first 10 days" so fingers crossed if it's stable for 48 hours I should see it improve!

Thanks all for the advice and help!

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hio77

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#2136478 29-Nov-2018 10:26

after the 10 days it will still reassess the line.

It just operates on a much slower scale is all :)

#include <std_disclaimer>

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.