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Today's test is pretty much what I get every day and I wonder whether the single threaded result is actually a truer indicator of how good my connection is. There was a time when the single threaded test and multi threaded were very close to one another.
What made me wonder is that the updated SpedofMe test is single threaded only and claimed to be a more meaningful metric.
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Both single and x6 are valid indicators of line performance. More significant is when they diverge significantly as in your case. That indicates congestion. Try running the test at different times of the day; I predict you'll find that at quiet times when internet usage is lower the difference is minimal.
Report it as a fault to Plusnet.
jelv
AAISP November 2016
(Previous ISP Plusnet November 2001 to October 2016) Why I left Plusnet
Telephone rental: Pulse8 |
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Don�t forget speedtest.net also includes a single thread option on all of its servers - I find the Xilo & Vodafone London servers the most reliable/realistic. If your speedtest.net single thread results are ok then there�s probably an issue somewhere between your ISP and TBB servers somewhere, nothing to be concerned about.
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His speedtest shows he is on Plusnet. If there was an issue between them and TBB I think we'd have seen more reports.
jelv
AAISP November 2016
(Previous ISP Plusnet November 2001 to October 2016) Why I left Plusnet
Telephone rental: Pulse8 |
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If the OP doesn't see any slowdowns on the single thread tests on multiple speedtest.net servers and he's not experiencing any slow downs in general use then there's absolutely nothing wrong with his connection. My 330 Mbps FTTP line never sees more than 150 Mbps on the TBB single thread tester yet clocks up ~ 310 Mbps on nearly every speedtest.net single thread server. Do I have sleepless nights over this? Absolutely not 
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Blowed if I can gind the option for single threaded test on speedtest.net but to Xilo server on there I'm getting 42.3 Mbps. I'm certainly not losing sleep over it, just curious. Today's test is much the same as always.
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Click on the bottom to select single thread (default is multi thread):
https://postimg.cc/9rgPxcJL
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Duhhh... - I have got no idea why I didn't see that 8^)
15.5 Mbps which is in line with my other tests.
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Assuming you are doing this speed test via ethernet cable to your router and not on wifi.
Also assuming you don't have any other of your connected device doing any downloading at the same time.
I have had this issue twice before and on both occasions it was a line card issue on the isp's network infrastructure. On their switch/router rack, on the node I and some other users were connected to.
Once with Vodafone FTTC back in January 2019. This was eventually fixed when they upgraded the line cards around March April time.
The time before that was around 3 years ago on Virgin Media Cable broadband. Again then, they found what they said was a faulty Line card. When replaced the issue was resolved.
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P.S. I forgot to add - Also assuming it's like that 24/7.
Edited by mrmarktigger (Tue 01-Oct-19 21:07:49)
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Yes all on ethernet and the same 24/7. I think I'll ask my neighbours if they see the same.
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I'm not sure if http://www.speedtest.btwholesale.com/ is single or multi-threaded. What do you get on that?
jelv
AAISP November 2016
(Previous ISP Plusnet November 2001 to October 2016) Why I left Plusnet
Telephone rental: Pulse8 |
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I'm sure it's multi threaded. The last one I did was 28th Sept and I got -
Download speedachieved during the test was - 36.64 Mbps
For your connection, the acceptable range of speeds is 27.5 Mbps-48.53 Mbps .
Additional Information:
IP Profile for your line is - 48.53 Mbps
Upload speed achieved during the test was - 7.72Mbps
Additional Information:
Upstream Rate IP profile on your line is - 10 Mbps
p.s. - I'm on 55/10
p.p.s. - just did another and got 34.82/7.52
Edited by longedge (Wed 02-Oct-19 12:00:21)
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As a matter of interest I asked my next door neighbour to run a test so I could make a comparison. His line comes from the same pole as mine.
He got t his.
Whilst mine was this.
Edited by longedge (Wed 09-Oct-19 13:09:04)
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If you can take a laptop around and test that on the other connection you can rule out any quirks due to antivirus software, or an issue with your own router.
On the multiple download test you have a similarish curve on the way to the full speed, but your single download looks like its held back by something.
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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Ta for that. I meant to add that he's with BT and I'm with PlusNet.
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Just curious, but if you disable and then re-enable your NIC adaptor, do the speeds jump up to full speed for both single and multi-thread ? I am suffering the same problem, my single thread speeds are awful but if I disable my NIC then re-enable, the speed is perfect again for a few hours. It can't be Zen as my other PC attached to the same line and router is rock stable with fast single and multi-threads 24/7. I have tried 3 different NICs.
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Well slap my thighs !!
I tried it and got this.
The best result I've had for a long time 8^)
Edit - Although it didn't last and now doing the same again has no effect.
Edited by longedge (Fri 11-Oct-19 13:11:58)
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Sorry to hear that, When I do that I seem to get about 2 or so hours of decent speed again, and then it goes back down, it usually works each time I do that. Hardly ideal, I don't know what is going on with our connections.
Are you via wired ethernet or wireless ? If wired get yourself a £9 ethernet to USB3 adapter and try that then you can rule out the NIC. You can send it back if it doesn't help if you get it via Amazon.Actually given it is under £10 they will probably let you keep it for free without having to send back.
Edited by BlizzardUK (Fri 11-Oct-19 15:38:35)
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I have a desktop PC and use the Intel Network Adapter onboard the MB. I also have a dual band wifi card in the computer which is normally disabled but this morning I disabled the ethernet and enabled the wifi and connected to the 5GHZ connection on my router (I run 2.4 and 5GHz on separated ssid's). It made no difference to the subsequent speetests I did but thanks for the suggestions.
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