VDSL Performance & Tuning

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#892974 10-Sep-2013 22:36

hio77:
HiTM4N:
That last graph is from the email that you can send get sent from the Fritz box itself

never knew the push service gave quite so useful stats..

Yeah i quite like it, just a nice overview with a little history in there

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Xternal

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#892979 10-Sep-2013 22:40

Did some aggressive SNR tweaking

hio77

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#892995 10-Sep-2013 23:15

Xternal: Did some aggressive SNR tweaking

2db! that is aggressive indeed.. good luck!

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#893011 11-Sep-2013 01:54

Ahhh I got kicked from DLM 1.... looks like its just doing its thing I guess.... stuck on DLM 2 now.... Not even sure when this happened, guess it happened during the last resync.

hio77

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#893014 11-Sep-2013 02:50

mikenzb: Ahhh I got kicked from DLM 1.... looks like its just doing its thing I guess.... stuck on DLM 2 now.... Not even sure when this happened, guess it happened during the last resync.

dont be saying that! im due to move to 2db in a week and a bit!

the 2db mark seems to get to that point where your almost too close it seems.. and then DLM seems to do odd things!

i get the feeling with the recent uptake of vdsl with other isps, there has been more tweaks done to DLM, its working patterns seems to have changed a tad.. even down to the level inwhich it gets previsioned at..

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#893017 11-Sep-2013 03:38

Well do post some lines stats when you do move, It would be interesting to see what others would get when they are "too close"

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hio77

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#893018 11-Sep-2013 03:42

mikenzb: Well do post some lines stats when you do move, It would be interesting to see what others would get when they are "too close"

it seems to be more of an issue with the .51 firmware, seems to be a common thing popping up (in-which im running currently, so that will be a test indeed.)

but there were one or two people who commented that they had some sort of an issue with being "too close" - which to me does seem a tad odd, considering when your further away, your trying to get closer!

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HiTM4N

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#893035 11-Sep-2013 07:26

connection didn't survive the weather last night, have dropped from 36mbit to 27mbit however my SNR is now at 12

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TJWillis

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#893075 11-Sep-2013 08:57

SNR Tweaking set to 5dB however hovers around 2-3dB for some reason

cruxis

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#893112 11-Sep-2013 10:14

I can confirm, the latest firmware does not work correctly if you are too close. I sat my 10 Day period on it and the best I got was 40 Mbit and DLM 2 and more crc errors.

As soon as I downgraded to FRITZ!OS 0.5.22 I instantly got 50Mbit and switched to DLM 1, and still hoping for a switch to 17a one day. My fritzbox length to cabinet is 40 meters roughly measured.

My line is cat5e almost to Demarc point, then into old Trurip cable out to pole. It is a Naked VDSL to single Jack point with no Splitter. I use a cable conecter block to join the cat5e to the trurip cable as the gauge is to heavy for switchlocks.

Also It seems SNAP! plans only offer VDSL upto 50Mbit, so 17a not likely with SNAP ?

My Line length from demarc point.

hio77

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#894163 11-Sep-2013 11:46

cruxis: I can confirm, the latest firmware does not work correctly if you are too close. I sat my 10 Day period on it and the best I got was 40 Mbit and DLM 2 and more crc errors.

As soon as I downgraded to FRITZ!OS 0.5.22 I instantly got 50Mbit and switched to DLM 1, and still hoping for a switch to 17a one day. My fritzbox length to cabinet is 40 meters roughly measured.

My line is cat5e almost to Demarc point, then into old Trurip cable out to pole. It is a Naked VDSL to single Jack point with no Splitter. I use a cable conecter block to join the cat5e to the trurip cable as the gauge is to heavy for switchlocks.

Also It seems SNAP! plans only offer VDSL upto 50Mbit, so 17a not likely with SNAP ?

My Line length from demarc point.

thanks, something to be aware of then..

17a is possible with snap just as much as any other isp.. its all DLM controlled.

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stevehodge

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#894187 11-Sep-2013 12:03

cruxis:
Also It seems SNAP! plans only offer VDSL upto 50Mbit, so 17a not likely with SNAP ?

I'm on 17a with Snap. I think that 17a is available to a pretty low percentage of customers so they don't advertise it. I think only 3 or 4 people have reported being on 17a here.

stevehodge

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#894190 11-Sep-2013 12:05

hio77:
HiTM4N:
That last graph is from the email that you can send get sent from the Fritz box itself

never knew the push service gave quite so useful stats..

Which firmware is that? My 7340/05.22 only shows the downstream side on the graph in the push service email.

hio77

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#894193 11-Sep-2013 12:08

stevehodge:
hio77:
HiTM4N:
That last graph is from the email that you can send get sent from the Fritz box itself

never knew the push service gave quite so useful stats..

Which firmware is that? My 7340/05.22 only shows the downstream side on the graph in the push service email.

55, with the DSL line information box ticked.

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hio77

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#894220 11-Sep-2013 12:51

HowickDota: What's the proper procedure for downgrading the firmware? I've tried going through web gui and uploading the .image file, but the router just restarted with the same firmware.
Perhaps I need to use telnet?

cant say i have tried. but AVMs site.. http://service.avm.de/support/en/SKB/FRITZ-Box-7390-int/761:Installing-an-older-version-of-the-FRITZ-Box-firmware-downgrade

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