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AirVPN Reduces Internet Speed to 10% of Total Bandwidth

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#1 pfolk

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Posted 17 May 2018 - 11:45 AM

Hi guys,

 

running latest Eddie Client on a Win 10 x64 machine on an 400 Mbit connection.

 

Without VPN, we get very nice bandwidth, as can be seen in this speedtest here:

 

speedtest_direct.png

 

 

Using AirVPN with default settings, we get about 30-40 Mbit. That is less than 10% of the total bandwidth of the connection.

 

 

I've followed one of the optimization guides posted here on the forum and done these steps, trying to increase the VPN throughput:

 

(1) in Eddie client preferences, changed Protocol to TCP or SSL - this actually helped and we're now at 50-60 Mbit - but still way off.

 

(2) in Eddie client preferences, increased buffer size to 512 KB/s for both TCP/UDP settings. No improvement.

 

(3) in Eddie client preferences, applied mssfix. No improvement.

 

(4) used SG TCP Optimizer tool - checked "Optimal" option and then applied new settings. No improvement.

 

(5) Tried TAP adaper 9.9.2_3 as well as latest 9.21.2. See speedtest results here:

 

using TAP 9.9.2_3

speedtest_TAP-9.9.2_3.png

 

using TAP 9.21.2

speedtest_TAP-9.21.2.png

 

No improvement.

 

(6) Also tried the TAP adapter fix, setting "Media Status" to "always connected". No improvement. Actually with this setting, AirVPN fails to connect to server.

 

 

As you can probably agree, 60 Mbit throughput for a 400+ Mbit connection is quite bad.

 

 

What else should we change and/or configure in order to get better AirVPN throughput ?

 

Thank you.

 

- Pete

 

P.S: All speedtest stats above were also confirmed with real file downloads. Same results.

 

 



#2 flat4

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Posted 17 May 2018 - 04:03 PM

anytime you use a VPN your internet speed will be slowed. Search thru the forums some folks have be able to push the limits of vpn.



#3 pfolk

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Posted 17 May 2018 - 09:38 PM

Hi flat,

 

I understand it will be slower. 10% of the actual bandwidth is just drastically slower. Quite a few peeps on here stated that they can get much more out of their connection.

 

Naturally I have searched the forums, hence all the optimization steps that I performed that I posted...

 

 

Do you have any specific suggestions on what else to configure ?

 

Thanks.



#4 corrado

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Posted 18 May 2018 - 12:00 PM

You are right, the bandwidth you are getting is rather low. However, this could have many reasons. Once, I had an ISP that seemed to throttle OpenVPN connections below barely usable levels. OpenVPN over SSL helped, but this naturally  had a much larger speed hit than pure OpenVPN. I also found that some Powerlan and Wlan connections can be problematic, so try ethernet if you don't already. For troubleshooting purposes I would also advise to try using OpenVPN without Eddie and using AirVPN on a GNU/Linux distribution (no TAP adapter issues there) and see if that improves anything.



#5 pfolk

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Posted 18 May 2018 - 12:12 PM

connection is wired / ethernet. Will try OpenVPN without Eddie, and see if it improves things.



#6 flat4

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Posted 18 May 2018 - 01:30 PM

@corrrado beat me to it, i was going to ask what OS you were using and try open vpn.

 

Who is your ISP?



#7 pfolk

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Posted 18 May 2018 - 02:02 PM

ISP is Spectrum, OS is Win 10 x64







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