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# 19130 6-Feb-2008 12:27
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Over the last couple of weeks I have noticed a dramatic slowdown in my Xnet HSI speeds. Speed tests seem to confirm this.

I have a 16663/945Kbps sync (Down from the 19m or so I was able to easily sync at when our ADSL2+ first went live).

Here are the results from some speed tests today:

Auckland:


Wellington:


Sydney:


As you can see from this one, I can upload to Sydney at about the same rate I can download.

Is anyone else on Xnet having similar issues?

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  # 108874 6-Feb-2008 12:36
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Here is my Xnet FLOOD connection via the Avondale exchange:





So it seems that your connection has some specific issue which is not affecting Xnet as a whole.

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  # 108875 6-Feb-2008 12:37
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Yes, but only internationally. National speeds are about the same (although less, but that's probably exchange related)
Oh, and the wellington server is always better than the Auckland one.




rm *


 
 
 
 




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  # 108877 6-Feb-2008 12:45
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A couple weeks ago I was easily getting 6-7mbit down (Sometimes even higher) from both Wellington and Auckland and a good couple of mbits down from Sydney.

Even the Xnet VFX speedtest is only giving me 983kbps down and QoS of 68% :(

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  # 108879 6-Feb-2008 12:49
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Have you checked the CRC Error Counters in your modem to see if something is amiss there?

What about others in your neighbourhood on the same exchange -- are they having similar issues?


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  # 108880 6-Feb-2008 12:49
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My speed to Sydney is 2.5Mbps via Speedtest.Net and 3.6Mbps to XNet using their own test.  I'm in Pakuranga.  My speed is what it normally is on weekends/evenings/holidays.




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  # 108881 6-Feb-2008 12:53
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Below are the line stats. Only people we know who are on the same exchange are the neigbours and they are on a 256/128 plan where as we are on FS/FS. We are on the Courtney Place exchange BTW.

Line ModeADSL2+ Line StateShow Time  
Line Power StateL0 Line Up Time00:01:37:40 
Line CodingTrellis On Line Up Count

StatisticsDownstreamUpstream
Line Rate16663 Kbps945 Kbps
Attainable Line Rate18812 Kbps945 Kbps
Noise Margin11.9 dB16.4 dB
Line Attenuation15.5 dB4.7 dB
Output Power16.8 dBm12.4 dBm
MSGC (number of bytes in overhead channel message)59 14 
B (number of bytes in Mux Data Frame)46 13 
M (number of Mux Data Frames in FEC Data Frame)16 
T (Mux Data Frames over sync bytes)11 
R (number of check bytes in FEC Data Frame)10 16 
S (ratio of FEC over PMD Data Frame length)0.0901 7.5000 
L (number of bits in PMD Data Frame)5062 256 
D (interleave depth)256 
Delay15 
Super Frames363954 363952 
Super Frame Errors
RS Words260227770 1546796 
RS Correctable Errors4250 
RS Uncorrectable Errors
HEC Errors528 
OCD Errors
LCD Errors
Total Cells230319808 1388783829 
Data Cells1756077 164462354 
Bit Errors24180 
Total ES
Total SES
Total UAS16 


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  # 108883 6-Feb-2008 13:00
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The Error Count looks to be minimal, with just a few errors happening on your Upstream link.

It doesn't appear as though there are any problems with your router or line as the Noise Margin and Attenuation look great.

Given that your neighbours are on such a slow plan, it probably won't be of any help comparing Speed Tests from their connection.  It looks to me as though it could be:

-  A faulty port on your ISAM at the exchange/roadside cabinet

-  A wider exchange or backhaul issue

Really, you will have to enlist Xnet's help to solve this one.  Post back any comments once you have contacted them, and it will be interesting to see what the solution is.

 
 
 
 




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  # 108885 6-Feb-2008 13:10
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Just did another router reboot and things look much better:

Auckland:



Wellington:



Sydney:

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  # 108886 6-Feb-2008 13:14
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adamj: Just did another router reboot and things look much better:

Cool -- nothing too much wrong with those results Cool

I guess we should have tried this at the beginning.  What sort of router do you have?



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  # 108888 6-Feb-2008 13:18
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Dynalink RTA1320

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