VDSL Performance & Tuning

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583 posts

Ultimate Geek

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#957123 24-Dec-2013 23:51

Lally: In the same boat as you Ronnie, was getting around the same on ADSL as you.

My spectrum looks fairly similar to yours however I'm syncing less than you currently on my VDSL connection.
Still yet to get a sparky around to run cable directly from the ETP to where I want the gear set up.
I'm hoping it is the wiring that will improve my sync speeds.
How old is the subdivision you are living in, my one is around 5 years old so surely the copper wouldn't be so substandard?

I would still run temp cable from ETP to modem.. before getting sparky around.. that will tell you if its a wiring issue or not..

Even bypass the ETP master filter

hio77

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Lizard Networks

#957125 25-Dec-2013 00:02

attewell: I am back on 5.22 version.. seems to have best results..

seems to be everyones outcome, a hell of alot more sable too!

newer firmware when i tried it (5.58) was even worse than 5.51 too..

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RonnieG

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#958068 27-Dec-2013 19:09

yeah I might try cleaning up the wiring of the ETP a bit.

Quick question, if I'm using snap plus (so nothing is plugged into the old phone jacks in my house), do I even need the VDSL master splitter? Would it be much different without the splitter, and with the old phone jacks completely disconnected from the ETP?

hio77

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#958071 27-Dec-2013 19:18

RonnieG: yeah I might try cleaning up the wiring of the ETP a bit. Quick question, if I'm using snap plus (so nothing is plugged into the old phone jacks in my house), do I even need the VDSL master splitter? Would it be much different without the splitter, and with the old phone jacks completely disconnected from the ETP?

technically, no. chorus often get funny about it..

i have one installed in my ETP (took many attempts to actually get it there), chorus tech hasnt wired up the POTS phoneline at all, he didnt want to risk me having him back out to fix more stuff.

end of the day, i have a clean cat5 to my jack, with a splitter in the ETP, and chorus are happy.

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SamF

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#958077 27-Dec-2013 19:20

RonnieG: yeah I might try cleaning up the wiring of the ETP a bit. Quick question, if I'm using snap plus (so nothing is plugged into the old phone jacks in my house), do I even need the VDSL master splitter? Would it be much different without the splitter, and with the old phone jacks completely disconnected from the ETP?

Absolutely no need to have it and it's not going to help. I'd take it out of the loop personally!

Aaroona

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#958534 29-Dec-2013 10:10

With DLM, does it matter if I say disconnect my PPPOE bridge? or does it monitor only the sync speeds?

Case and point, I'm doing some testing between DDWRT and OpenWRT, which means I need to flash OpenWRT and DDWRT regularly, at which point it establishes a new PPPOE connection, but my modem stays untouched.

SamF

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#958544 29-Dec-2013 10:42

I don't think PPPoE changes would affect DLM as PPPoE traffic is at a different network layer and basically considered as 'Internet traffic' I'd say.

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gabesmith

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#963769 9-Jan-2014 11:31

I see that Fritz OS 6.01 is now available for FritzBox 7390 international. Details here ftp://ftp.avm.de/fritz.box/fritzbox.fon_wlan_7390/firmware/english/info.txt

Has anyone tried this yet? Any issues or changes of note?

Lally

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#963836 9-Jan-2014 12:56

gabesmith: I see that Fritz OS 6.01 is now available for FritzBox 7390 international. Details here ftp://ftp.avm.de/fritz.box/fritzbox.fon_wlan_7390/firmware/english/info.txt

Has anyone tried this yet? Any issues or changes of note?

See here bud... http://www.geekzone.co.nz/forums.asp?forumid=66&topicid=138420

gabesmith

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#963874 9-Jan-2014 13:57

Lally:
gabesmith: I see that Fritz OS 6.01 is now available for FritzBox 7390 international. Details here ftp://ftp.avm.de/fritz.box/fritzbox.fon_wlan_7390/firmware/english/info.txt

Has anyone tried this yet? Any issues or changes of note?

See here bud... http://www.geekzone.co.nz/forums.asp?forumid=66&topicid=138420

Well I did the upgrade to 6.01 and all good so far. I got a sync increase from ~43 Mbit/s to 45.4 Mbit/s which might be related or not. Still on DLM-1. So far so good...

Seems like some handy new features particularly with VPN support.

Some admin pages have a bit of German language which has yet to be translated.

I will see how this goes....

SamF

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#963927 9-Jan-2014 15:18

gabesmith: Some admin pages have a bit of German language which has yet to be translated.

LOL, a true sign of stringent QA processes!

hio77

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#963970 9-Jan-2014 16:18

gabesmith:
Lally:
gabesmith: I see that Fritz OS 6.01 is now available for FritzBox 7390 international. Details here ftp://ftp.avm.de/fritz.box/fritzbox.fon_wlan_7390/firmware/english/info.txt

Has anyone tried this yet? Any issues or changes of note?

See here bud... http://www.geekzone.co.nz/forums.asp?forumid=66&topicid=138420

Well I did the upgrade to 6.01 and all good so far. I got a sync increase from ~43 Mbit/s to 45.4 Mbit/s which might be related or not. Still on DLM-1. So far so good...

Seems like some handy new features particularly with VPN support.

Some admin pages have a bit of German language which has yet to be translated.

I will see how this goes....

that much of a sync change, is well within margin of error in resyncs for vdsl really.. not due to the the 6.0 upgrade at all ild put money on it.

i suspect the 6.0 OS is the same as 5.5.. longer lines are ok, but short lines take a massive shot to the rates.

SamF:
gabesmith: Some admin pages have a bit of German language which has yet to be translated.

LOL, a true sign of stringent QA processes!

wow, when this was given to me as a beta firmware to try, there was warning about the german pages, with indication its only because its the beta firmware.. but that was meant to be all sorted before the release..

AVM really seem to have dropped the ball on their recent firmwares.. getting worse and worse trying to squeeze all the features in.

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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.

RonnieG

17 posts

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#964467 10-Jan-2014 12:50

So I'm coming back to the idea of cleaning up the house wiring to try to improve the signal the fritzbox is seeing.

Currently the ETP looks like this:

The main phone/modem line is the one running of to the right of the picture. I think the other cable going into the hole in the ETP box is the second phone line we had put in back in the dial-up days.

Since we're on VDSL w/ VOIP now, I was planning to take all the phone jacks out of the equation completely and just connect the line wires straight to the modem line. But I have a few questions:

Do you think this will make much difference to the spectrum quality?
Is this something I can do myself without calling a technician in? It looks like I could just use scotchlok or similar connectors.
Will it make much difference if I replace the ETP<->modem cable with new cat6? It's currently some of the homelan cat5 stuff: http://www.generalcable.co.nz/getattachment/01cc6db3-6ce0-4e07-ac65-11a508915595

(not sure why the paragraphs after the picture ended up as clickable links) :-/

sidefx

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#964496 10-Jan-2014 13:25

Yup, that should be easy to do yourself - as you say just cut the incoming pair to the filter and scotchlok it directly to the pair that currently runs to the modem.

I suspect it won't make a huge difference though - I did something the exact same thing when I first got VDSL and it made very little difference to sync speeds and I don't think errors changed much either. It has run flawlessly since though, with very low errors, plenty of room for SNR tweaking :) I never really tried SNR tweaking before doing it so not sure how much difference it made there.

I wouldn't bother replacing cat5 with cat6 - I don't think it'll make much difference for this. How long is the cable from street to etp though and then from etp to VDSL jackpoint?

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hio77

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Lizard Networks

#967493 15-Jan-2014 12:30

so, interesting read of the day, got a response to a 17a..

BMarquis:

We have a number of conditions that must be met for your line to be switched to a 17a Spectrum profile.
If your line is on the 17a spectrum profile, but the spectrum between 8Mhz and 17Mhz is not being used, I'd be looking at your CPE. it shouldn't report 17a unless the DSLAM is providing that, and we run 8b and 17a on independant profiles.

As for the question of 'what allows a line to be on 17a':
The current bandplan is 8b (goes without saying!)
The line is shorter than 350 meters, which is an electrical length in the 5530 Network Analyser of <7dB
DLM is in operation on that line
A Bandplan switch hasn't occured in the last 90 days (to stop bouncing between 8b+17a, while still allowing re-evaluation as/when required)

Hopefully this helps answer some questions?

http://www.geekzone.co.nz/forums.asp?forumid=35&topicid=136643&page_no=3#967458

nicely detailed list right there

#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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