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Forums › Snap › VDSL Performance & Tuning
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1056 posts

Uber Geek
  Reply # 732902 15-Dec-2012 13:55 Send private message quote this post

10? Wow, that sounds high. Hopefully you're right :) I'm seeing how mine goes with target SNRM at 8:




822 posts

Ultimate Geek

Trusted
  Reply # 732903 15-Dec-2012 13:59 Send private message quote this post

Yeah, well I was on a CRCPM of 10 for a week on DLM-1 so that's what I'm going on.

EDIT: Correction, looking back at my history again, I was on DLM-1 for a week, but on a SNRM of 16 & an error rate of 0.8.  I was on a CRCPM of 10 for only 3 days or so.  I've corrected my last post.  I'll see how things go when I'm swapped to DLM-1 next.

34 posts

Geek
  Reply # 733403 17-Dec-2012 10:03 Send private message quote this post

Well, nine days since install (four days since coffeebaron fixed it) and I have a DLM change. For those tracking, it happened at 4:10 a.m.

Let's see if I get another change soon!

34 posts

Geek
  Reply # 733418 17-Dec-2012 10:25 Send private message quote this post

Just had the realisation that I have changed from DLM-6 to DLM-2, so I've jumped two levels with one resync.

I also forced a resync on Friday night, which didn't change anything too noticeably. FEC dropped from ~1450/min to ~900/min but that was all.

84 posts

Master Geek
  Reply # 733421 17-Dec-2012 10:28 Send private message quote this post

DLM is lame. I had my first DLM change for some time today. No change that I can tell but my CRCPM has gone up to 1PM which is about what it was when I was on DLM1 a while back.

But yeah I decided to check on the fritz!box firmware and it seems there has been a few updates since my box was shipped. This is my current firmware Firmware-Version 84.05.04

Check out some of the interesting changes since.

New with version 84.05.20:

DSL: New DSL-version with improvements for ADSL2+ and VDSL lines
DSL: improved VDSL-interoperability and performance


I'm going to give it a try now. It also has a few other cool non DSL feature improvements.

1056 posts

Uber Geek
  Reply # 733425 17-Dec-2012 10:35 Send private message quote this post

gmanp: Just had the realisation that I have changed from DLM-6 to DLM-2, so I've jumped two levels with one resync.


We're pretty sure that the fritzbox (or something) doesn't report DLM-4 (1INP) properly - that's likely what you're on; multiple people have observed behaviour where it seems they go from DLM-6 to DLM-2 then a few days later get another DLM resync and nothing visible changes - it appears that the 1st resync is actually DLM-6 changing to DLM-4 but it's not showing properly, then the 2nd resync is actually DLM4 to DLM2 you just can't tell because the 1INP isn't showing when on DLM4 for some reason.


Anyway, nice one. Good to see it change quite quick. I reckon you'll get anotehr one soon ;-)

84 posts

Master Geek
  Reply # 733426 17-Dec-2012 10:45 Send private message quote this post

Firmware upgrade went through fine. Will see how it looks after 24 hours.

148 posts

Master Geek
  Reply # 733520 17-Dec-2012 12:57 Send private message quote this post

helis: Firmware upgrade went through fine. Will see how it looks after 24 hours.

What version of the firmware are you on now? Do you have a 7340 or a 7390?

84 posts

Master Geek
  Reply # 733586 17-Dec-2012 13:52 Send private message quote this post

stevehodge:
helis: Firmware upgrade went through fine. Will see how it looks after 24 hours.

What version of the firmware are you on now? Do you have a 7340 or a 7390?


I was on Firmware-Version 84.05.04 and now it says Firmware: FRITZ!OS 05.22 which is Firmware version: 84.05.22

7390 is the router I have.

79 posts

Master Geek
  Reply # 734009 17-Dec-2012 23:16 Send private message quote this post

I'm also on 84.05.22 with a 7390.

Still haven't re-sync'd since the day I was cutover to VDSL.. 19/11/12 to now on DLM1 with CRCPM of around 0.8-1...

148 posts

Master Geek
  Reply # 734365 18-Dec-2012 15:10 Send private message quote this post

Just got the fritz 7390 yesterday and vdsl is getting connected on saturday.

1056 posts

Uber Geek
  Reply # 734381 18-Dec-2012 15:26 Send private message quote this post

@HowickDota: Very nice, you must be very close to cabinet\exchange? Oblig: Have you got a master filter or eliminated unneeded stubs\jackpoints? Well worth doing before the change over and DLM starts.

26 posts

Geek
  Reply # 734386 18-Dec-2012 15:37 Send private message quote this post

Changed from Vodafone naked to Snap VDSL yesterday.



not the greatest, but the increased upload speed is amazing.

1056 posts

Uber Geek
  Reply # 734394 18-Dec-2012 15:50 Send private message quote this post

@Reido: Any idea how far from the cabinet\exchange you are? That attenuation looks a bit nasty. (And as above, have you either got a master filter or if naked have you ensured you're connected by a single line with no unterminated stubs\unused jackpoints\etc off it?)

26 posts

Geek
  Reply # 734407 18-Dec-2012 16:03 Send private message quote this post

umm pretty sure its less than 1km.

I am in an apartment type thing, 4 apartments, 1 building; so I am not sure whats going on with the wiring in the house.. We only have 1 phone jack. Naked VDSL, have VOIP with 2talk.

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