Pretty big speed loss after router restart...

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deathLynX

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#202016 13-Sep-2016 20:15

Hey everyone, so up until yesterday my internet speed was a pretty consistent 33 mbps on VDSL, however overnight last night the router restarted and then it was running at 28 mbps, and so naturally I was like "oh ok I'll just restart it again to see if that will put it back to 33 mbps" but noooooo it went down to 20... and I have no idea why, I tried a different filter, different dsl cable and router (although the same model)

The router is a spark HG630b and I'm on bigpipe.

Also my ping has stayed exactly the same so I'm guessing its nothing to do with DLM?

Thanks for any help.

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#1628876 13-Sep-2016 20:17

Ok DONT restart it again. Just leave it.

DLM will slowly have to work its way back up now. Do not fiddle with it.

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deathLynX

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#1628883 13-Sep-2016 20:22

How long does that usually take?

deathLynX

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#1628886 13-Sep-2016 20:34

darylblake:

Ok DONT restart it again. Just leave it.

DLM will slowly have to work its way back up now. Do not fiddle with it.

How long does that usually take??

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#1628888 13-Sep-2016 20:36

deathLynX:

How long does that usually take?

One or two weeks

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Jase2985

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#1628983 13-Sep-2016 23:40

really need to see the modem and connection stats

richms

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#1628987 13-Sep-2016 23:48

I find restarting it late at night/early morning when there is less noise will get me a better speed at the 9dB noise margin target, it will drop down during the day, but speed remains constant. If I restart it in the evening when everyone is online and hammering their connection, the 9dB target gets me a lower speed.

Richard rich.ms

darylblake

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#1629120 14-Sep-2016 10:12

richms:

I find restarting it late at night/early morning when there is less noise will get me a better speed at the 9dB noise margin target, it will drop down during the day, but speed remains constant. If I restart it in the evening when everyone is online and hammering their connection, the 9dB target gets me a lower speed.

I agree on this. But not when it is DLM training.

richms

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#1630172 14-Sep-2016 12:12

Keeping it off for ages (like 10 mins) seems to stop it from screwing up with DLM, I have only had it revert to 8 or 16ms laggy profiles after it has actually had a fault on the line, which with old insulated cables from the pre-80's like noah had on his arc is a frequent thing in winter.

Richard rich.ms

allio

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#1630248 14-Sep-2016 13:57

That seems like a crazy over-response from DLM, doesn't it? 13mbps over two reboots? I must have restarted my modem 10 times in an hour the other night trying to get bridging to work properly. Sync speed never dropped at all.

richms

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#1630251 14-Sep-2016 14:00

I suspect it will be a noise issue, someone else got VDSL and it is crosstalking on the crappy copper that is past its useby date now.

Richard rich.ms

deathLynX

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#1630412 14-Sep-2016 17:53

allio:

That seems like a crazy over-response from DLM, doesn't it? 13mbps over two reboots? I must have restarted my modem 10 times in an hour the other night trying to get bridging to work properly. Sync speed never dropped at all.

Yea thats what I thought, also I'll just add that while rebooting it I used the button on the router and waited like 30 secs, so its not like I was pulling the DSL cable or anything haha.