Another month same old problem
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- Re: Another month same old problem
Another month same old problem
18-09-2007 5:31 PM
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problem is I'm not sure that changing ISP would help if it is the Maxdsl fluctuations causing the problems and I'm foolishly loyal to plusnet as I've been with them 5 years and when it's good it's really good.
Just wanted to vent...
Re: Another month same old problem
18-09-2007 5:38 PM
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You actually had a resync event yesterday, whereby you connected to the BT Exchange at 4544Kbps, hence the profile change to 4000Kbps at both our and BTs end.
You're now syncing at 7104Kbps and should you maintain that speed, you should see a profile increase in the next couple of days or so.
Re: Another month same old problem
18-09-2007 6:18 PM
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Re: Another month same old problem
18-09-2007 10:13 PM
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Re: Another month same old problem
18-09-2007 10:36 PM
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IP profile for your line is - 4000 kbps
DSL connection rate: 448 kbps(UP-STREAM) 7104 kbps(DOWN-STREAM)
Actual IP throughput achieved during the test was - 670 kbps
See the problem....
Re: Another month same old problem
18-09-2007 10:40 PM
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Re: Another month same old problem
19-09-2007 12:35 AM
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Two days into new month and used less than 3Gb last month.
Unless I'm missing something I'm nowhere near any limits
Re: Another month same old problem
19-09-2007 7:49 AM
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phyhhe,
Sorry to barge in. I have been having loads of problems with a MaxDsl'd line for over two years.
My modem would report 3600/448 downstream/upstream, but the Plusnet and BT Speed tests report 136kbps.
I have written up my tests @ http://www.dougrice.plus.com/Erlangs/adsl.htm
My ADSL has been ticking over at 4000 for over a week now.
In the past it has dived down to 136kbp.
All I can say is the high channel performance of my ADSL modem was rough, while the low channel numbers were high.
It was like trying to drive down teh road with one wheel on the road and one on the verge. You cannot do 70mph for long.
best wishes,
Doug
Re: Another month same old problem
19-09-2007 9:24 AM
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Quote from: phyhhe I understand that james, but that does not account for the actual throughput speed around 600kbps. Surely even with a sync speed of only 4000 I should be getting higher actual speeds than that?
Ah, thanks for the clarification. Can I ask if you have tried tweaking MTU/rWin settings for your current sync speeds. A number of people here have had a good level of sucess when doing so.
http://www.plus.net/support/broadband/troubleshooting/rwin_video.shtml
Re: Another month same old problem
19-09-2007 9:48 PM
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Re: Another month same old problem
19-09-2007 11:13 PM
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Do you see excessive latency when you ping www.bbc.co.uk (average 41ms), www.plus.net (average 49ms) and www.dslreports.com (in the USA, average 116ms)? The numbers in parentheses are my current values.
Assuming you have eliminated your internal wiring as an issue, have you raised a speed fault ticket which resulted in PlusNet doing tests on your line?
Re: Another month same old problem
20-09-2007 10:46 AM
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Afraid I don't know how to test the latency, I've reached the end of my technical ability Can you explain please?
Thanks
phyhhe
Re: Another month same old problem
20-09-2007 10:52 AM
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Re: Another month same old problem
20-09-2007 11:54 AM
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Regarding the MTU/rWin tweaking
So for an 6Mbps connection the RWIN would be calculated as:
6 * 10 * (MTU - 40)
Try going with an MTU of 1500, so if you set your rWin to 87600.
Does this help the situation at all?
You'll need to input these settings using drtcp:
http://www.dslreports.com/drtcp
Re: Another month same old problem
20-09-2007 2:01 PM
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Apologies if you fully understand what James suggested but …
First - what version of Windows do you use? If it's Vista tweaking with DrTCP will have no effect. In this case doing the ping test could give useful information but I suggest you stop then.
To do the ping tests
Click Start->Run then enter cmd in the box and click OK.
In the command window that opens type
ping www.bbc.co.uk and press Enter
You should get 4 lines of tests followed by a Ping statistics summary which gives Minimum, Maximum and Average round-trip times in milliseconds. These 3 values are of interest. (I quoted only the average since in my case the variation was very small.)
Do the same for
ping www.plus.net and
ping www.dslreports.com
Then type exit and press Enter to close the window.
Assuming you use Windows XP (or earlier) you can download DrTCP from the site James quoted (i.e. here). I suggest you select the ".exe" file rather than ".zip", it's only 52.5KB. Save it to your Desktop (or other preferred location).
For comparison purposes please run a speedtest now using mybroadbandspeed.
To run DrTCP double click its icon - it doesn't install on your computer. Note the value shown in the top box labelled Tcp Receive Window (which might be around 17500). Ensure your network connection is displayed in the Adapter Settings box at the bottom and note the MTU setting shown on the right. If it is blank that's fine.
Type the value James suggested (87600) into the Receive Window box at the top, then click Save then Exit.
Now - most important - restart your computer.
After restart repeat the speedtest and post the before and after results here. Of course I'm hoping you'll also post the other numbers referred to above.
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