How to improve OpenVPN performance?

Hi everyone, I have created an OpenVPN Access Server droplet in Singapore. It is set up and working.

After some very promising initial testing, where I got transfer speeds of 20Mbit/s over SFTP between VPN clients, this has slowed down to only 2Mbit/s or so.

I have contacted Digital Ocean support, and they recommended I perform a speed test by following the instructions on this web page:

I have performed this test several times, and my average download speed is 4309Mbit/s and my average upload speed is 1858Mbit/s, so it looks like there is plenty of bandwidth there.

Can anyone help me improve my transfer speeds? I have the graphs to prove that 20Mbit/s is possible, and this would be ideal for my needs.



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Hello, @LogicalUnit

May I ask if you’ve experienced issue with the download/upload speed or you’re asking if this can be improved? Usually the UP and DOWN speed will depend from a lot of factors so it’s not really easy to give you a solid answer from the start.

What was the result from your testing and did you sent this to DO’s team and of course what was their response?