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  # 1426102 11-Nov-2015 11:41
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Has anyone tried SNR Tweaking with 998?  IIRC back in the early VDSL days I was getting a good 8Mb or so through SNR tweaking (it's buried somewhere in the big VDSL thread, I can't recall exact numbers but it was significant) but I've since reverted to stock settings on my fritzbox. I'm still curious what the change to 998 does to the options for SNR tweaking though.

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  # 1426108 11-Nov-2015 11:46
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sidefx: Has anyone tried SNR Tweaking with 998?  IIRC back in the early VDSL days I was getting a good 8Mb or so through SNR tweaking (it's buried somewhere in the big VDSL thread, I can't recall exact numbers but it was significant) but I've since reverted to stock settings on my fritzbox. I'm still curious what the change to 998 does to the options for SNR tweaking though.


Given the larger spectrum for downstream i would suspect you would see maybe an extra mbit over 997 per snr drop..

Changes in error rates is one thing that hasnt really been looked at in detail on GZ for 998 yet, which for snr tweaking would clearly be a key point.


With how effective 998 is, 8b is already at hitting that 50mbit mark even on subpar lines, and 17a only having two upstreams. Pegging out without tweaking is not unrealistic.  Seeing upwards of 77Mbit on 8b like has been posted in here is insane!




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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.


 
 
 
 


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  # 1426145 11-Nov-2015 12:11
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Jase2985:
nigelj: Got woken up from a bad nights rest and noticed a resync.


So assuming this is the 998 update (others have said that "Power Management Mode" isn't changing with G998), Downstream is now about 2-4Mbit better than best sync, but my upstream still has taken a beating like Rich's.  Makes me wonder if there is some super strange profile or something...


but your DS is 8mbsp better than the old one and yoru US is still the same or am i missing something

you really need to be able to access the graphs to confirm


From the post that I was quoting from:

I've been keeping an eye on mine after quite a sudden slide in sync speeds lately ~15% loss in Downstream, and ~50% loss in Upstream in one sudden overnight (about 2 weeks ago) resync that seems to be quite sticky.


To put it in the longer term.. the connection has gone from ~28/8 to ~32/4.

The other context you may be missing, is that something similar happened to a line on @richms 's property next to a perfectly fine line which is why I'm starting to wonder if there is some super weird 4Mbps upload profile.  (They irony was I went on a 1ms profile the day the Upstream took a beating)

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  # 1426362 11-Nov-2015 16:38
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Is it still possible to drop the SNR on the frizboxes with the new firmware? Was under the impression it wasn't currently possible? 

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  # 1426380 11-Nov-2015 16:48
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Just to confirm 
The migrations happen between 2am and 4am. It causes a brief outage and they expect to complete it by 18th December ( I would assume this is all going well). So not the 4 weeks initially stated in this tread.







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  # 1426381 11-Nov-2015 16:49
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Are there many connections that are now no longer working or have degraded to the point that they are useless?




Richard rich.ms

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  # 1426382 11-Nov-2015 16:55
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Unfortunately I don't have that information. I have not heard of any connections being downgraded to adsl because vdsl has stopped working... But with any luck, you probably have more chance of an increase rather than a decrease. 

Mines only 17/3.5  im just up the road from you man off Tramway. But I am crossing my fingers I get 20mbps  once the transmit power is increased. 





 
 
 
 


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  # 1426459 11-Nov-2015 19:29
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Looks like my cabinet got upgraded last night. Nice little bump!

997 Bandplan





998 Band[plan




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  # 1426461 11-Nov-2015 19:31
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Not bad, i would have liked to see upload slightly higher considering your in that upper end but at 8b that is an impressive sync.

7/8ms, not sure if thats a fritz rounding thing or not but im noticing that as somewhat of a standard around.. makes me wonder if chorus have played with their DLM profiles a little more..




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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.


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  # 1426502 11-Nov-2015 20:05
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hio77: Not bad, i would have liked to see upload slightly higher considering your in that upper end but at 8b that is an impressive sync.

7/8ms, not sure if thats a fritz rounding thing or not but im noticing that as somewhat of a standard around.. makes me wonder if chorus have played with their DLM profiles a little more..


i think it's just a new conservative default dlm profile.  it used to be that lines gained interleaving over time, now they start with it and lose it.


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  # 1426613 11-Nov-2015 23:05
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Stab in the dark but... ikanos = capped to 70/30, broadcom = more than 70/30? Just trying to understand a few that have been higher and the comments implying broadcom is better in some way.

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  # 1426614 11-Nov-2015 23:07
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eXDee: Stab in the dark but... ikanos = capped to 70/30, broadcom = more than 70/30? Just trying to understand a few that have been higher and the comments implying broadcom is better in some way.


broadcom capped at 100/50, this thread is getting long, thing we need a summary at beginning or such.

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  # 1426675 12-Nov-2015 07:31
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and what was it beforehand?

you also have nothing in US0

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  # 1426676 12-Nov-2015 07:37
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34108 down and 10330 up so all i've seen is little improvement on the down stream but upsteam gone up by 4meg/bit

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