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corksta

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#42529 6-Oct-2009 12:18
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I'll just briefly explain our situation:


My fiance and I live upstairs at her parents' address in Takapuna, Auckland. We have our own line upstairs, but it only has a Naked DSL connection with Orcon+. There's no other jacks upstairs, nothing else plugged into it except the modem.


Downstairs is the main line, but phone only no broadband. Years and years ago there was a monitored alarm, but it doesn't work anymore but the keypad still flashes, and for some reason usually most evenings "something" (which we assume is the alarm) still tries to dial out somewhere, so if you're on the phone downstairs you have to hang up and wait a few minutes for it to finish its thing otherwise it'll just keep on trying to dial while you're talking to someone.


Now, the box where the two lines meet sits just outside our bedroom window, so there's only a couple metres of wiring from the box down through the wall to where our jack is. I figure we're about 2.5km away from the exchange, but my speeds with Orcon (national and international) have progressively been getting slower and slower over the last few months, and pings are about 85ms up from about 40ms. I used to get about 10Mb/s on Speedtest to the Auckland server, now I'm lucky if I get to 6Mb/s peak or off-peak.


I do the usual of power cycling everything and triggering a port reset every now and then but still no difference, things like the YouTube issue still affect me and downloads in general aren't as fast as they used to be either.


Here are the stats at the moment from my modem (a Dynalink RTA1320). This was a brand new modem that I bought to replace a D-Link 502T that would constantly disconnect and in the end just stopped working. The Dynalink has been great never a single dropout:






Statistics
Downstream
Upstream


Line Rate
13080 Kbps
296 Kbps


Attainable Line Rate
14688 Kbps
292 Kbps


Noise Margin
4.9 dB
8.1 dB


Line Attenuation
37.5 dB
20.5 dB


Output Power
0.0 dBm
11.9 dBm







So taking into account our situation just wondering if it would be worth getting a technician to take a look at the whole setup and who I'd organise that through, or if there's anyone on here who's qualified and could take a look for me and of course be suitably compensated! I just don't want to get someone here and pay for it only to find out there's nothing that can be done.


If there's not much I can do about the setup then I'm going to consider moving to Snap. A Naked DSL connection is all we need for upstairs and people seem to be pretty happy with Snap.


Any thoughts would be much appreciated! Thanks!


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tonyhughes
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  #261664 6-Oct-2009 13:17
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I wouldn't move from one ISP to another, 2.5km from exchange and already getting 6Mbps...







tonyhughes
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  #261665 6-Oct-2009 13:17
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Your upstream line rate is veeeeeeeeeeeeeeeeeery low...







tonyhughes
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  #261668 6-Oct-2009 13:19
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Re-do your wiring... replace your modem line cord... don't use an extension phone cable...

I know you are on naked DSL, buuuuut, do you have a line filter on there?









corksta

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  #261671 6-Oct-2009 13:24
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tonyhughes: Re-do your wiring... replace your modem line cord... don't use an extension phone cable...

I know you are on naked DSL, buuuuut, do you have a line filter on there?



Hi Tony,


Re-do the wiring as in replace it? The second line was only installed in February.


Have tried different modem cables but no joy.


No extension cord in use - distance from jack to modem is no more than two metres - direct connection.


Nope no filters used, just the one cable from jack to modem.


Yep upload speed is pathetic!

tonyhughes
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  #261676 6-Oct-2009 13:38
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Considering your upload speed is what it is, your download speed is probably "acceptable" (from a technical viewpoint).

Borrow someones modem, and see if your stats change significantly.







corksta

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  #261686 6-Oct-2009 13:54
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tonyhughes: Considering your upload speed is what it is, your download speed is probably "acceptable" (from a technical viewpoint).

Borrow someones modem, and see if your stats change significantly.



I've got a mate's Orcon Homehub I could probably borrow. 


Yeah you're right it would be considered acceptable but because I've noticed a general slowdown over the months I'm trying to figure out if it's my wiring or an ISP issue.


My attainable line speed has always been about that, upload speed used to be around 330 (still crap), and while I know Speedtest results aren't the be all and end all it does seem a bit suss that they have dropped and I've noticed a general decrease as well despite the line rate figures - and that's with using Safari on Snow Leopard which is pretty quick in itself!

Ragnor
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  #261831 6-Oct-2009 20:10
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Easiest way to test whether it's your wiring or an ISP issue is to do some non peak tesst with something local.

Orcon peer with APE/WIX so the NZ Auckland speedtest.net server hosted by Xnet should be fast for example.



corksta

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  #261843 6-Oct-2009 20:43
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Between 6-7Mb/s regardless of the time of day or night to the Auckland server. It used to be between 9-10Mb/s regardless of the time, but it's not so much the numbers per se I'm concerned about it's the fact that at the same time these figures have been trending down over the last few months I've also noticed a corresponding decline in download speeds and general browsing. This is despite occasionally power cycling and doing port resets.

Aaroona
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  #261864 6-Oct-2009 21:49
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same boat here.

I used to get 14-16mbps to mainly the auckland server.

just to give more of an idea how slow its got;

http://ftp.slingshot.co.nz/test.iso - i used to get 1.8-2mb/s , now I get 200-400kb/s MAX.



corksta

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  #261867 6-Oct-2009 22:00
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Just tried that now, 202KB/s was the maximum I could get, sat at about 180 though. Someone tell me it's Orcon and not the wiring in our house!

Aaroona
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  #261869 6-Oct-2009 22:17
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corksta: Just tried that now, 202KB/s was the maximum I could get, sat at about 180 though. Someone tell me it's Orcon and not the wiring in our house!


yeah, thats pathetic for ADSL2+. Period.




Ragnor
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  #261913 7-Oct-2009 01:39
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Well lets look at the factors:

1: Your PC's speed and tcp/ip settings (MTU, window size etc)
2: Quality of your ADSL modem/router
3: Quality of your phone/ADSL filtering
4: Quality of your house wiring
5: Quality of you phone line to the exchange/cabinet
6: Cabinet/Exchange port quality
7: Congestion on the backhaul network to your ISP
8: ISP's hand over links
9: ISP's internal network, caching, shaping, traffic management
10: ISP's national and international bandwidth route and quality

Probably #7 for you I suspect..

Remember residential internet is shared network best effort, not dedicated bandwidth.. not sure what the contention ratio on Orcon's backhaul is but it's never going to be 1:1 it's probably around 25:1 or 50:1.

If you want a gauranteed dedicated bandwidth here's some indication of the real price
http://www.xtreme.net.nz/connections/dedicated.php

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