How to improve average speed

[anon4120 2]

What is everyone else out there getting on average when using airvpn? 

 

I've been getting up to 2 MB/s on my modern gaming computer, and around 1 MB/s on an old computer that runs the cpu around 100%. These are through the client on the computer and I have tried the different ports within the airvpn client.

 

My normal internet speed is about 7 MB/s. 

 

If the airvpn servers aren't at 100% load, shouldn't I be getting faster speeds? What is limiting them? 

 

Could it be that my comcast supplied modem/router is the bottleneck? Or does that only matter if you have your router putting all connections through the vpn? 

 

I've been thinking about upgrading to a better router if it would increase my vpn sppeds. 

 

Thanks for any replies.

[Staff 9751]

Hello!

 

First of all, let's clarify the units for every reader.

 

MB: Megabyte

Mbit: Megabit

s: second

1 Byte = 8 bit

1 MB/s = 8 Mbit/s

 

Assuming a good quality line and low latency from your node to the VPN server (if you have high latency, for example with a satellite connection, then you will be unable in any case to get stellar performance with OpenVPN), a couple of possible reasons for poor performance are:

 

1) Traffic shaping. In the past years many ISPs (the majority in the world) have performed wild overselling, promising peak bandwidth performance that they could deliver constantly only if a tiny fraction (1% of even less) of their customers were connected simultaneously. They now prefer to shape traffic on almost everything instead of investing in infrastructure expansion. Comcast performs traffic shaping. In the European Union, an ISP is obliged by law to tell you if it performs traffic shaping or applies any other technique limiting your usage of any service or protocol, but not in the USA. https://airvpn.org/topic/10967-slow-airvpn-speeds-050mbs-down-or-less/?do=findComment&comment=15358

 

2) Wrong MTU size, so that you get packet fragmentation that hits performance.

 

Possible solutions to problem 1 are changing connection ports (try in particular port 53 UDP) and switching to a protocol which might be less capped than another, for example by trying OpenVPN over SSL if you see that your "https traffic" is not as slow as pure OpenVPN traffic. A more effective solution might be changing ISP with one that can deliver what it advertises.

 

Solution to problem 2 is changing the packet size with mssfix. Do not change TUN MTU size with directives "tun-mtu" and/or "fragment"! Without a corresponding change on the server side, doing that would have unpredictable effects and might also prevent a connection. Change it by using "mssfix" only. Start with "mssfix 1350" and test, then increase or decrease the size with little steps, re-testing each time. Please note (important) that mssfix directive makes sense only in UDP mode. On the www you can find also good methods which help you determine the correct value in order to speed up the trial-and-error process. See for example here for some more information and details http://www.dslreports.com/faq/695 Once again: do not touch the MTU of your physical or virtual network cards (unless you exactly know what you're doing), just operate through the OpenVPN directive mssfix.

 

Kind regards

[SlyFox 10]

What is everyone else out there getting on average when using airvpn? 

Well I can't speak to people who have much faster Internet as my line is about 30 down and 3 up. But airvpn Windows PC client maxes out for me as long as I am using east or central USA servers which is where I am located so I am quite happy with the speed. For my ISP a TCP connection seems to be capped around 10 down when downloading so I often use UDP which is better for me anyway and it uses my full bandwidth from my ISP.

[azmo 14]

anon4120, on 12 Feb 2014 - 08:59, said:

 

What is everyone else out there getting on average when using airvpn? 

 

Hard to tell really since it depends on the ISP situation and server side, too, but pretty much 70-80Mbit to wire speed on my 100Mbit connection.

[OpenSourcerer 1359]

What is everyone else out there getting on average when using airvpn?

 

I'm losing approximately 10% of my original speed.

[Guest]

On the servers best for me, I lose about 5-10%

[ishap 4]

I have 40 Mb/s down 9.5Mb/s up when not connected, through the VPN I get 10Mb/s down and upload is unaffected at 9.5Mb/s.

[masonhales 0]

I bought the 3 day membership just to test out AirVPN. I'm getting about 15kb/s on average, webpages load like it's the 90s, p2p doesn't work at all. I connected to multiple servers, all slow speed.

 

I have comcast, and I am being selectively throttled by them (mostly p2p) that's the reason I wanted to try a VPN. Could it be my ISP affecting the speed? Or is there something I'm just not seeing.

 

Thanks

[OpenSourcerer 1359]

I bought the 3 day membership just to test out AirVPN. I'm getting about 15kb/s on average, webpages load like it's the 90s, p2p doesn't work at all. I connected to multiple servers, all slow speed.

 

I have comcast, and I am being selectively throttled by them (mostly p2p) that's the reason I wanted to try a VPN. Could it be my ISP affecting the speed? Or is there something I'm just not seeing.

 

Thanks

 

If I remember it right, yes. Comcast is throttling these kinds of connections. Try out other ports.

[ezd 2]

Using OpenVPN on a router might be another problem. It slows my 100MBit connection down to 11 or so MBit. Using my computer to run the OpenVPN client gets me near 70MBit depending on the vpn server. I'm not completely happy either with speed since this was the max so far. Ususally I get arount 17 to 40 MBit. I'm paying for more than double.

[iwih2gk 92]

Crappy consumer level routers can account for a huge difference if you are using wireless.  Those $100.00 -$200.00 routers really struggle with a heavy encryption load on their "cheap internals".  If you are using wireless try an experiment and go to the router.  From there connect using a good quality ethernet cable.  Even on consumer level routers there is usually one gigabit port to connect to.  Try that.  I went from 6-9 meg to over 40 meg just by eliminating wireless overhead and NOTHING else was changed.  If you experience this then you know what it is and you can decide how to proceed.  Some will use ethernet, some will decide to endure the slower speeds for the portability/convenience of a laptop, and others will trade up to a quality pfsense high end router and have both.  At least you'll know if its the cheaper hardware.

 

Certainly worth a look just to know.

[McLoEa 25]

Could just adding a good Intel NIC to a PC running the open vpn client help with your speeds?