VDSL Massive Jitter, 267kpbs upload, 2mbps download

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variable

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Master Geek

#196282 25-May-2016 18:50

Just got my vdsl connection today, getting worse than ADSL results, rang help desk, they said they will monitor new connections for 10 days, but I am a bit skeptical about it, can anyone please shed some light on this?

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#1559539 25-May-2016 18:52

The monitoring is true, but in this case I'd say that there's a fault. At a guess, the tech wired it up incorrectly.

variable

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Master Geek

#1559541 25-May-2016 18:56

The chorus guy did a test with his modem was getting 20mbps down and 1mbps up.

I also had a couple good results out of 20 line tests, eg, fast ping and 20mpbs down.

Behodar

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#1559543 25-May-2016 18:59

Well in that case, the question would be "what has changed?" Have you changed any wiring? Power-cycled the modem? Connected to a different socket?

variable

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#1559545 25-May-2016 19:01

Nope, nothing changed... apart from restarting the modem a few times.

Behodar

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#1559554 25-May-2016 19:05

That's likely to be your problem. Power cycling the modem multiple times will make the automatic monitoring think that you have a very unreliable line (after all, the connection keeps dropping!). It therefore goes into a "fail-safe mode" where it's using reliable - but slow - parameters. Keep the modem turned on constantly for ten days; the system will gradually increase the speed again if there are no dropouts.

hio77

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#1559556 25-May-2016 19:07

20/1 sounds like a pretty marginal connection.

Post the DSL information from your modem.

the fact that you mention massive jitter, and such a low upstream ontop of the fact that your quoted upstream speeds are pretty low suggests potentially your upstream is simply congested with an upload.

Was a master filter installed?

#include <std_disclaimer>

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

variable

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Master Geek

#1559557 25-May-2016 19:10

I am seeing some speed improvement as I am typing, will report back if problem comes back.

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toejam316

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#1559560 25-May-2016 19:17

hio77:
20/1 sounds like a pretty marginal connection.

Post the DSL information from your modem.

the fact that you mention massive jitter, and such a low upstream ontop of the fact that your quoted upstream speeds are pretty low suggests potentially your upstream is simply congested with an upload.

Was a master filter installed?

With the increased range and looser pre-req's, we're getting a few more marginal connections. I was talking to one of my co-workers who reckoned he just put one on with 23/3 last week.

Anything I say is the ramblings of an ill informed, opinionated so-and-so, and not representative of any of my past, present or future employers, and is also probably best disregarded.

Jase2985

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#1559561 25-May-2016 19:20

what are your modem stats?

variable

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Master Geek

#1559574 25-May-2016 19:25

toejam316:
hio77:

20/1 sounds like a pretty marginal connection.

Post the DSL information from your modem.

the fact that you mention massive jitter, and such a low upstream ontop of the fact that your quoted upstream speeds are pretty low suggests potentially your upstream is simply congested with an upload.

Was a master filter installed?

With the increased range and looser pre-req's, we're getting a few more marginal connections. I was talking to one of my co-workers who reckoned he just put one on with 23/3 last week.

Speaking of that, about a year ago I inquired about vdsl and they said the exchange is too far away so I couldn't get it. But I thought I might just tried again this year and surprisingly they said I could get it now.

I re-iterated to them about the answer they gave me a year ago and apparently got told it's okay.

toejam316

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#1559592 25-May-2016 19:31

variable:
toejam316:
hio77:

20/1 sounds like a pretty marginal connection.

Post the DSL information from your modem.

the fact that you mention massive jitter, and such a low upstream ontop of the fact that your quoted upstream speeds are pretty low suggests potentially your upstream is simply congested with an upload.

Was a master filter installed?

With the increased range and looser pre-req's, we're getting a few more marginal connections. I was talking to one of my co-workers who reckoned he just put one on with 23/3 last week.

Speaking of that, about a year ago I inquired about vdsl and they said the exchange is too far away so I couldn't get it. But I thought I might just tried again this year and surprisingly they said I could get it now.

I re-iterated to them about the answer they gave me a year ago and apparently got told it's okay.

Yep, a lot of stuff is flying now that wasn't before - used to be required that all connections to VDSL were full installs with splitters, and that the line length couldn't be more than 900m. I think the new limit is we're allowed up to 1.3Km, and you don't need a splitter install (which is nonsense, there are only a couple of houses pre-00's I've seen that have wiring good enough to not trash VDSL).

Anything I say is the ramblings of an ill informed, opinionated so-and-so, and not representative of any of my past, present or future employers, and is also probably best disregarded.

hio77

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Lizard Networks

#1559594 25-May-2016 19:32

toejam316:
hio77:

20/1 sounds like a pretty marginal connection.

Post the DSL information from your modem.

the fact that you mention massive jitter, and such a low upstream ontop of the fact that your quoted upstream speeds are pretty low suggests potentially your upstream is simply congested with an upload.

Was a master filter installed?

With the increased range and looser pre-req's, we're getting a few more marginal connections. I was talking to one of my co-workers who reckoned he just put one on with 23/3 last week.

some of us with marginal lines that have already been confirmed chorus's side are still having issues getting it past isps. seems to be a bit of an issue on their side.

Marginal isnt such a bad thing, but still important to know all the variables before seriously commenting.

#include <std_disclaimer>

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

tdgeek

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#1559596 25-May-2016 19:33

variable:

Nope, nothing changed... apart from restarting the modem a few times.

Thats variable, Variable

hio77

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#1559597 25-May-2016 19:34

variable:

I am seeing some speed improvement as I am typing, will report back if problem comes back.

As my above comment, this is sounding like a congested connection at the user level rather than a fault at all.

Post the stats, if you need directions do ask, i have an orcon VDSL modem sitting at my feet i could power up and hand you exact directions.

#include <std_disclaimer>

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

variable

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Master Geek

#1559601 25-May-2016 19:40

Thanks guys, good info.

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