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zespri

424 posts

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#290020 15-Oct-2021 12:28
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Hello,

 

I have written to Voyager support a week ago, got automated email that a ticked was created and no reply.

 

I moved to Voyager from BigPipe a couple of months ago.  I'm on 900/400 plan. The speed tests show the expected speed, which leads me to believe that this is not a local network issue.

 

I have a seedbox in London, and the file download speed via a single connection seems to be capped at 2Mbit. I tried http(s), ftp and sftp/scp with similar results.

 

If I try to download a file using X connection instead of one (e.g. with aria2c) I get X times better speed.

 

I have set up a VM for testing on Digital Ocean one in US and one in London. I cannot download files from the box in London faster than 2Mbit on a single connection. From US the download speed somewhat faster (about 6Mbit) but not dramatically.

 

Before the move I had 100/100 plan and I was able to saturate download from London.

 

I also tried ubuntu ISO downloads for official mirrors (e.g. https://releases.ubuntu.com/20.04.3/ubuntu-20.04.3-desktop-amd64.iso) and I'm also getting 2Mbit from the main (UK) download. If I try to download from NZ/Aus mirrors I'm getting decent speed.

 

I asked a friend on slingshot to download the same files for me to measure the speed, and his speeds are also decent and not capped at 2Mbit as mine.

 

  • Speed Tests - good
  • Downloads from NZ/AUS - good
  • Downloads from UK - bad, capped at 2Mbit per connection, with multiple connections each one is capped at 2Mbit
  • Downloads from the rest of the world - varies

Without Voyager Support response, what are my options? This has been a month with those speeds and I'm seriously considering moving provider again.


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zespri

424 posts

Ultimate Geek
+1 received by user: 94

Lifetime subscriber

  #2796057 15-Oct-2021 22:17
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Kids, if you have weird stuff happening on your puter, and no one else reports the same, chances are, that it's local to your system and not someone else's (ISP's) fault.

 

So I was testing my speed on two different computers, so it did not occur to me that it may be configuration related, I was dead sure that the symptoms point to ISP, even after reading Jase2985 results I did not change my opinion. But it happened that I needed to work on Linux this evening, and as a matter of form, I ran the download there. My surprise was great when I saw normal speed not capped at 2Mbps.

 

If it works on Linux then there must be something I can do here. To think about it, the two Windows boxes I tested on, there were both mine, not family members, so I installed the same crap on both and it could be some kind of driver, or something like that, that could have caused it. I tried on my son's Windows PC and it also was fast. I cannot imagine why I have not thought of that in the last several weeks of suffering, I was so sure.

 

So I started uninstalling stuff from one of the boxes, and to be honest uninstalled almost everything but it did not help. So I started googling what can cause slow download speeds in particular on Windows. One of the articles suggested `netsh interface tcp show global` command to check "Receive Window Auto-Tuning Level” and use either `netsh int tcp set global autotuninglevel=disabled` or `netsh int tcp set global autotuninglevel=normal` (depending on what it is currently) to flip it.

 

Mine was "disabled". I changed it to "normal" and my download speed went to normal too. Thank you everyone who participated and in particular to @VygrNetworkMonkey for the gracious offer of help. This is now resolved.


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