VDSL Performance & Tuning

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Ultimate Geek

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#1311052 25-May-2015 08:22

Gotta love power cuts, when you've got a UPS!

Though the errors are sky rocketing now that everyone's back on. Usually get around 32~35 from memory, I was certainly surprised to get a 50 sync!

Impressed that it performs at posted speeds too (speedtest via wifi)

Samsung

Shop now on Samsung (affiliate link).

completeview

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Wannabe Geek

#1319448 8-Jun-2015 14:53

Hello, I am a SNAP customer and have had VDSL for a couple of years and wanted to try to squeeze some additional performance out of my copper before Chorus finally update the line to UFB (6 months away). My Fritzbox is showing the following performance -

I know that the wiring in the house is not ideal, based on the above performance is it worth me investing in running a new direct cable to my ETP to my modem (not an easy job as I have to run cable from 1st storey room to a ground floor office)? We just run naked VDSL so I don't currently use a filter and didn't plan to use one. I am approximately 400m to my nearest street cabinet.

Would really appreciate any practical feedback

hio77

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#1319450 8-Jun-2015 14:58

How is your setup currently? a single direct link from ETP? upgrading it to cat5+ will be a minimal improvement, but if you have it all daisy chained currently, you will most likely see a reasonable jump..

Looking at your profile, you Reboot alot or are rather unstable. Next to no Errors. (although unsure if thats right after a reboot considering only 1ES i wouldnt be surprised.) dropping down in profiles can be rather harmful(to your speed atlest) if DLM decides to drop your power levels and not give them back..

Post your spectrum?

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

completeview

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Wannabe Geek

#1319456 8-Jun-2015 15:07

Thanks for the response. The current wiring is a daisy chained BT setup in house. I am plugged into what I believe is the master jack (have tried all others but this one has the best performance). I had rebooted to see if it would make a difference to speed, at best I got up to 25Mbit in past on same wiring.

Cheers.

hio77

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#1319459 8-Jun-2015 15:09

Ouch, Yes. Definitely rewire.

That does not look pretty.

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completeview

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Wannabe Geek

#1319460 8-Jun-2015 15:12

Thanks, we moved from a previously nicely wired house and I thought this might be the outcome.

macuser

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#1332541 27-Jun-2015 10:00

Just got this installed yesterday, geekzoners how will I be looking after 10 days? 17a?

Jase2985

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#1332569 27-Jun-2015 12:01

I doubt you will get 17a for the fact you have started on 31/10. if you had have started on 45/10 them you might be in with a look ay 17a.

I would say your modem is reading your attenuation slightly wrong? the 2 modems i have here, one reads 6.3dB and the other reads 9dB.

Do you know how far away you are from the cabinet?

hio77

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#1332650 27-Jun-2015 17:12

Considering attenuation, you could possibly go 17a, but if that is the case it appears you have alot of crosstalk based off your current stats.

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macuser

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#1333188 29-Jun-2015 09:58

Jase2985: I doubt you will get 17a for the fact you have started on 31/10. if you had have started on 45/10 them you might be in with a look ay 17a.

I would say your modem is reading your attenuation slightly wrong? the 2 modems i have here, one reads 6.3dB and the other reads 9dB.

Do you know how far away you are from the cabinet?

There is a cabinet across the road which could be it, but I have the Slingshot VDSL modem which is likely reporting the wrong attenuation numbers. I might have to borrow a better modem just to check what my actual stats are.

I'm pretty happy with 30 down as I feel like that is enough as there is only 3 of us living here, but if I can squeeze a bit more out of it that would be great.

Will my numbers likely improve over the week even if I can't get 17a? Or is 30/10 likely to be the best I can get?

We're on a Naked plan so there isn't any phones attached, and I removed the other phone wires from the main box just to be sure (tho our VDSL master splitter is attached to one of the bedroom jacks which splits from the main jack)

We are part of a 70s granny flat of (with a body corp) so the cable disappears into the roof somewhere perhaps into another distribution box, maybe I'll find it and see what state it is in. Could be a mess...

macuser

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#1333199 29-Jun-2015 10:09

If I want to rewire the old lines, is it just a case of running CAT5E cabling? Our house is tiny and all the phone wiring is exposed and runs along the wall, so should be an easy swap out.

Jase2985

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#1333267 29-Jun-2015 11:58

macuser:
Jase2985: I doubt you will get 17a for the fact you have started on 31/10. if you had have started on 45/10 them you might be in with a look ay 17a.

I would say your modem is reading your attenuation slightly wrong? the 2 modems i have here, one reads 6.3dB and the other reads 9dB.

Do you know how far away you are from the cabinet?

There is a cabinet across the road which could be it, but I have the Slingshot VDSL modem which is likely reporting the wrong attenuation numbers. I might have to borrow a better modem just to check what my actual stats are.

I'm pretty happy with 30 down as I feel like that is enough as there is only 3 of us living here, but if I can squeeze a bit more out of it that would be great.

it could be it but you just dont know where the cables run, they could run up the street than come back to your place.

There is not much you can do to squeeze anything more ot of the connection except to wait and let DLM do its thing for the first 10 days.

just check the modem stats every day, and check the up time of the connection. it will normally disconnect and reconnect early in the morning 530-630am.

personally i could see it getting maybe 5-10mbps more but not much more than that. Unless when it first connected it was a bad connection.

macuser

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#1333281 29-Jun-2015 12:15

Jase2985:
macuser:
Jase2985: I doubt you will get 17a for the fact you have started on 31/10. if you had have started on 45/10 them you might be in with a look ay 17a.

I would say your modem is reading your attenuation slightly wrong? the 2 modems i have here, one reads 6.3dB and the other reads 9dB.

Do you know how far away you are from the cabinet?

There is a cabinet across the road which could be it, but I have the Slingshot VDSL modem which is likely reporting the wrong attenuation numbers. I might have to borrow a better modem just to check what my actual stats are.

I'm pretty happy with 30 down as I feel like that is enough as there is only 3 of us living here, but if I can squeeze a bit more out of it that would be great.

it could be it but you just dont know where the cables run, they could run up the street than come back to your place.

There is not much you can do to squeeze anything more ot of the connection except to wait and let DLM do its thing for the first 10 days.

just check the modem stats every day, and check the up time of the connection. it will normally disconnect and reconnect early in the morning 530-630am.

personally i could see it getting maybe 5-10mbps more but not much more than that. Unless when it first connected it was a bad connection.

Thanks heaps mate, I'll keep an eye on it. It hasn't changed at all over the last few days!

Cheers

Jase2985

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#1333284 29-Jun-2015 12:18

i think when i got mine it changed on day 3 and day 8 and day 10. but this was 2 years ago and they have changed it all slightly, ie start on DLM-1 now

hio77

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#1333577 29-Jun-2015 16:48

macuser: If I want to rewire the old lines, is it just a case of running CAT5E cabling? Our house is tiny and all the phone wiring is exposed and runs along the wall, so should be an easy swap out.

Would be a bit of a question over existing wiring vs Cat5e really as to how much of a difference it would make but Yeah you possibly see an improvement there.

As its exposed and would be easy, i would say absolutely! just pick a nice day, its never fun opening up the ETP snipping off wires to join and getting belted with rain - unless being tickled by low voltage is fun ;)

Make sure to use Jely crimps or if your unsure have someone else come in and do it for you!

Little horror story for you... Back when i was off flatting, Chorus did the installation, refused to run a new wire as it was "to spec" vdsl was something stupid 1/3 IIRC. After a month or so of arguing the fact that it was actually riptie cable (much like you use for speakers) it was fully replaced.

straight up to 55/10 on 8b, rolled over to 17a and was hitting 65/10.

Crosstalk later pushed that down a tad but eh, it was certainly liveable!

#include <std_disclaimer>

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

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