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Service Degradation

AndyHamp
Grafter
Posts: 36
Registered: 07-07-2011

Service Degradation

Hi,
I've just been trawling through my SamKnows reports because I felt that there was some degradation of the service. It would appear than my latency has increased badly.
It seems that i've gone from 17ms June to Oct, 10-12 ms latency Oct-Feb then down to 7-8ms during Feb to 16-17ms during April/May and now 23-25ms !!
Download speeds have gone from 44mb June to Nov, 51mb Nov to May and now down to 44mb again.
Upload speeds have gone from 18.5mb June to March, 16mb March to mid May and now up to 16.5 since mid may.
Having had it take over 9 months to get my latency down after a series of power cuts during the winter 13-14 and a bit annoyed that i#s gone back up to a very high level.
PN ... can you see anything wrong at your end ? Any suggestions as to what the the issue might be ?
Thanks ... Andy
14 REPLIES
Community Veteran
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Registered: 22-06-2012

Re: Service Degradation

I've just received my monthly Samknows report & my latency shot up from 11 to 25 in the first week of May, whilst my speed decreased from 47 to 41.
Plusnet Help Team
Plusnet Help Team
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Registered: 01-01-2012

Re: Service Degradation

@AndyHamp
Your currently on a G.INP profile which may account for the higher ping times if your using a ECI modem. In terms of speed the profile on our end is set incorrectly so I've changed that now and you should be getting closer to 50Mbps.
@tijara33
Your line is also on G.INP at the moment. Are the ping times still higher?
If this post resolved your issue please click the 'This fixed my problem' button
 Matthew Wheeler
 Plusnet Help Team
englishrick
Grafter
Posts: 463
Registered: 14-02-2013

Re: Service Degradation

So is that the reason why my speed has dropped and latency increased from 5-10 ms  to 25-27 ms HuhHuh
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Registered: 22-06-2012

Re: Service Degradation

Quote
@tijara33
Your line is also on G.INP at the moment. Are the ping times still higher?

Thanks for the prompt response Mathew. Yes, my ping is 2x what it was & I have an ECI modem so I guess that unless I change either my modem or my router, I'll have to put up with it??  Sad
Plusnet Help Team
Plusnet Help Team
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Registered: 01-01-2012

Re: Service Degradation

@englishrick
Your issue is separate. Interleaving has been added on a high level on your downstream which is why your ping times have gone up.
@tijara33
Openreach are rolling a fix for the G.INP issues although I can't commend on when it will be done as I believe it's a gradual roll-out.
If this post resolved your issue please click the 'This fixed my problem' button
 Matthew Wheeler
 Plusnet Help Team
englishrick
Grafter
Posts: 463
Registered: 14-02-2013

Re: Service Degradation

So why has interleaving been put on High as my connection was solid for at least a year on 77.43Mb until 3 weeks ago.Huh And how do I get it removed? Also just looked at a test PN did on 2nd June and it was Profile Name 0.128M-74M Downstream, Interleaving Low - 0.128M-20M Upstream, Error Protection Off
INTERLEAVING LOW
dick:quote
AndyHamp
Grafter
Posts: 36
Registered: 07-07-2011

Re: Service Degradation

Quote from: Matthew
@AndyHamp
Your currently on a G.INP profile which may account for the higher ping times if your using a ECI modem. In terms of speed the profile on our end is set incorrectly so I've changed that now and you should be getting closer to 50Mbps.

Ahh .... I have a Daytek modem and currently am not running the G.INP firmware. Now i know my line is G.INP enabled i'll upgrade and see what happens ... thanks.
Plusnet Help Team
Plusnet Help Team
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Registered: 01-01-2012

Re: Service Degradation

@englishrick
DLM will have added Interleaving on a high level if there's been a high amount of errors on the line. There's a chance DLM might drop it if the errors go away but we don't control it nor can we overrule it.
@AndyHamp
I think that should do the trick as other users have reported upgrading the firmware fixed it. Let me know if it's still problematic.
If this post resolved your issue please click the 'This fixed my problem' button
 Matthew Wheeler
 Plusnet Help Team
AndyHamp
Grafter
Posts: 36
Registered: 07-07-2011

Re: Service Degradation

I've updated the Draytek firmware to one that supports G.INP and the latency has plummeted ... circa 8ms which it great  Cheesy
Not seen any real change to the upload/download speeds but not unhappy with that that as the latency is the biggest factor for me.

Download speed achieved during the test was - 43.01 Mbps
For your connection, the acceptable range of speeds is 45.74 Mbps-57.17 Mbps .
Additional Information:
IP Profile for your line is - 57.17 Mbps


Upload speed achieved during the test was - 14.15Mbps
Additional Information:
Upstream Rate IP profile on your line is - 20 Mbps

Stats so far show:

ATU-R Information
        Type: VDSL2
        Hardware: Annex A
        Firmware: 05-07-04-03-00-07
        Power Mngt Mode: DSL_G997_PMS_L0
        Line State: SHOWTIME
        Running Mode: 17A
        Vendor ID: b5004946 544e0000
ATU-C Information
      Vendor ID: b5004244 434da44f [BDCM]
Line Statistics
   
Downstream            Upstream               
Actual Rate 59133 Kbps 19999 Kbps
Attainable Rate 58856 Kbps 20296 Kbps
Path Mode Fast Fast
Interleave Depth 1 1
Actual PSD 7. 9 dB 12. 5 dB
Near End Far End                 
Trellis ON ON
Bitswap ON ON
SNR Margin 6 dB 6 dB
Attenuation 17 dB 21 dB
CRC 68 4250
FECS 0 s 3 s
ES 34 s 3015 s
SES 2 s 94 s
LOSS 0 s 0 s
UAS 27 s 1296 s
HEC Errors 0 0
RS Corrections 0 0
LOS Failure 0 0
LOF Failure 0 0
LPR Failure 0 0
NCD Failure 0 0
LCD Failure 0 0
NFEC 32 32
RFEC 16 16
LYSMB 16 16

I'll keep an eye open to see what it does over the next few days...
Thanks ... Andy
Community Veteran
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Registered: 22-06-2012

Re: Service Degradation

Quote
Ahh .... I have a Daytek modem

Is that the Vigor 130 Andy H? If so I might as well go ahead & purchase 1. Is it just plug in, switch on & wait, like the BT ECI modem? Is it easy to update the firmware?
Community Veteran
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Re: Service Degradation

Quote
@tijara33
Your line is also on G.INP at the moment. Are the ping times still higher?

Mathew, could you please publish my line profile? Many thanks, Nick
AndyHamp
Grafter
Posts: 36
Registered: 07-07-2011

Re: Service Degradation

Quote from: tijara33
Quote
Ahh .... I have a Daytek modem

Is that the Vigor 130 Andy H? If so I might as well go ahead & purchase 1. Is it just plug in, switch on & wait, like the BT ECI modem? Is it easy to update the firmware?

It's an 2860, i have one because i need the VPN capabilities for work. It's nice, but not cheap and not that easy to configure but great in terms of stability and reliability. Basical config is easy via it's quick start wizards and i had no problem configuing the VSDL.
The 130 is a very basic model, i'm sure capable, but i doubt it will support G.INP or vectoring anytime soon.
Community Veteran
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Registered: 22-06-2012

Re: Service Degradation

Quote
It's an 2860

Ah I see, a combined modem/ router. Thanks for the info Andy.
Community Veteran
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Registered: 22-06-2012

Re: Service Degradation

Mathew has kindly posted my profile, as follows:
Quote
"0.128M-60M Downstream, Interleaving Low - 0.128M-17M Upstream, Error Protection Off"