Broadband speed up & down like a rollercoaster

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sittingduckz

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#67660 6-Sep-2010 11:21

I have noticed my broadband speed varies during downloads, every 10 or 20 seconds it seems to drop to around 100kb/s then speeds up to around 1.2Mb/s then back down. It happens on different sites and it seems a very steady up and down

It's not a major just seems unusual and would like to hold the download at full speed if poss :-)

W7 Pro 64Bit
Wireless Lan
Broadband Full up & down
Netcomm NB6Plus4Wn Router

Thanks in advance

I'm not a complete idiot, I still have some parts missing.

Behodar

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#377101 6-Sep-2010 12:30

Which ISP?

sittingduckz

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#377105 6-Sep-2010 12:42

NZ Net

I'm not a complete idiot, I still have some parts missing.

xpd

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#377107 6-Sep-2010 12:51

Post your modems line stats as well :)

XPD / Gavin

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muppet

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#377111 6-Sep-2010 12:52

First thing to try is to plug in directly and see if that helps. You might be getting large bursts of radio interference.

If that doesn't help, rebooting your router (and checking it has the latest firmware) would be the next things I'd do. Then try with a different laptop, or the same laptop but using a Linux boot CD (to try and rule out a Windows issue - unlikely I know)

Then contact your ISP.

Tim

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sittingduckz

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#377122 6-Sep-2010 13:27

DSL Line Status

Current DSL line status is displayed as the below.

Line Mode ADSL2+ Line State Show Time
Line Power State L0 Line Up Time 07:19:31:25
Line Coding Trellis On Line Up Count 3

Statistics Downstream Upstream
Line Rate 15378 Kbps 940 Kbps
Attainable Line Rate 19600 Kbps 1024 Kbps
Noise Margin 13.0 dB 9.5 dB
Line Attenuation 12.5 dB 5.0 dB
Output Power 0.0 dBm 12.8 dBm

I'm not a complete idiot, I still have some parts missing.

sittingduckz

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#377124 6-Sep-2010 13:30

When I test the speed on speedtest.net it seems to be very stable although the download test doesn't last very long

I'm not a complete idiot, I still have some parts missing.

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muppet

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#377125 6-Sep-2010 13:32

What do you get downloading from a local NZ mirror?
And what about connecting directly as I suggested above, are you able to do that?

Audiophiles are such twits! They buy such pointless stuff: Gold plated cables, $2000 power cords. Idiots.

OOOHHHH HYPERFIBRE!

Ragnor

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#377126 6-Sep-2010 13:36

Think of your ADSL connection to your ISP as an on-ramp to a motorway. Getting from A to B is a fast local short distance trip but getting from A to C is a long trip more congestion and traffic.

Replace:
- A with your home
- B with a site or service hosted in NZ
- C with a site of service hosted overseas