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Standard User mbames
(learned) Tue 26-Nov-13 10:35:26
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Sky LLU keeps dropping the connection


[link to this post]
 
I have noticed that for the last few weeks, the connection uptime on my line seems to struggle to make it over 24 hours, even though my router up time is 176 days.

Line speed seems stable (and good), and I don't hear any crackling on the line, etc. I know that Weymouth is meant to be underoing a fibre roll out, so maybe it is being caused by that, but certainly The Kelly Cowboys have been no where need my local cabs (new or old) in the last few months.

Router stats below:
adsl status
--------------------------- ATU-R Info (hw: annex A, f/w: annex A) -----------
Running Mode : ADSL2+(G.992.5) State : SHOWTIME
DS Actual Rate : 16747935 bps US Actual Rate : 1109019 bps
DS Attainable Rate : 16812000 bps US Attainable Rate : 1109000 bps
DS Path Mode : Fast US Path Mode : Fast
DS Interleave Depth : 96 US Interleave Depth : 1
NE Current Attenuation : 29 dB Cur SNR Margin : 6 dB
DS actual PSD : 16. 9 dB US actual PSD : 12. 0 dB
ADSL Firmware Version : 232201_A
-------------------------------- ATU-C Info ---------------------------------
Far Current Attenuation : 16 dB Far SNR Margin : 7 dB
CO ITU Version[0] : 00004244 CO ITU Version[1] : 0000434d
DSLAM CHIPSET VENDOR : < BDCM >


Last reconnect was at about 4.00am (I was fast asleep at that point).

Any ideas?

Thanks,
Matt

Edited by mbames (Tue 26-Nov-13 10:37:56)

Administrator MrSaffron
(staff) Tue 26-Nov-13 10:42:01
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Re: Sky LLU keeps dropping the connection


[re: mbames] [link to this post]
 
For 29dB attenuation you are getting a very good sync speed
http://www.coolwebhome.co.uk/calc/index.php?param=RG...

So if the 6dB margin is stable between day and night, then it may just be very large local noise bursts i.e. not much you can do.

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User mbames
(learned) Tue 26-Nov-13 12:05:26
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Re: Sky LLU keeps dropping the connection


[re: MrSaffron] [link to this post]
 
the noise margin seems to be pretty consistent.... so I'll not worry about it too much in that case.

Thanks. Hopefully they sort out my local cab soon, and I can upgrade to fibre (date keeps getting pushed away) smile


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Standard User dbames
(newbie) Tue 26-Nov-13 14:28:25
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Re: Sky LLU keeps dropping the connection


[re: mbames] [link to this post]
 
Interesting that your line seems to set on fastpath rather than interleaving. How have you managed to achieve that?

When I've asked Sky support, the best they can offer is "gaming profile" with 8ms(?) interleaving:
> adsl status
adsl status
--------------------------- ATU-R Info (hw: annex A, f/w: annex A) -----------
Running Mode : ADSL2+(G.992.5) State : SHOWTIME
DS Actual Rate : 22093988 bps US Actual Rate : 1150278 bps
DS Attainable Rate : 22024000 bps US Attainable Rate : 1150000 bps
DS Path Mode : Interleave US Path Mode : Interleave
DS Interleave Depth : 96 US Interleave Depth : 8
NE Current Attenuation : 11 dB Cur SNR Margin : 3 dB
DS actual PSD : 16. 7 dB US actual PSD : 11. 9 dB
ADSL Firmware Version : 232201_A
-------------------------------- ATU-C Info ---------------------------------
Far Current Attenuation : 6 dB Far SNR Margin : 7 dB
CO ITU Version[0] : 00004244 CO ITU Version[1] : 0000434d
DSLAM CHIPSET VENDOR : < BDCM >
>
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