Fast OpenVPN Client router (14Mbps only with my RT-AC5300)

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Ozonexp
DD-WRT Novice


Joined: 21 May 2015
Posts: 4

PostPosted: Thu Jan 05, 2017 15:28    Post subject: Fast OpenVPN Client router (14Mbps only with my RT-AC5300) Reply with quote
Greetings,

I'm looking for a router that supports a fast openVPN client. I bought a RT-AC5300 but it's not fast enough with vpn active.

Thanks in advance
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js1662
DD-WRT Guru


Joined: 23 Jul 2014
Posts: 1120
Location: BC, CA

PostPosted: Thu Jan 05, 2017 18:58    Post subject: Reply with quote
RT-AC5300 has a dual core 1.4GHz CPU which is pretty fast for residential router by today's standard. Let's do some troubleshooting first. What is the Internet speed under the following cases:

1. Without VPN.
2. With OpenVPN client running on a reasonably fast PC.
3. With OpenVPN client running on the router.

If the above tells you that the bottleneck is not related to your ISP nor the VPN provider. The next option may be to try pfsense on a PC as the router.
Ozonexp
DD-WRT Novice


Joined: 21 May 2015
Posts: 4

PostPosted: Thu Jan 05, 2017 23:18    Post subject: Reply with quote
Vpn running on client PC DOWNLOAD 25.63Mbps UPLOAD 4.93Mbps
Vpn running on router DOWNLOAD 14.06Mbps UPLOAD 5.12Mbps

Without VPN it is the same as client

Thanks
js1662
DD-WRT Guru


Joined: 23 Jul 2014
Posts: 1120
Location: BC, CA

PostPosted: Fri Jan 06, 2017 2:10    Post subject: Reply with quote
I am a bit surprise that RT-AC5300 with a dual core 1.4GHz CPU can't handle 25Mb/s with OpenVPN. I think I will move this thread to the Broadcom sub-forum and let others including the RT-AC5300 owner to comment. May be it is a good idea if you can provide information on which build that you are using. In case it is an old build, you may want to try the more recent builds and see if it makes a difference or not.
<Kong>
DD-WRT Guru


Joined: 15 Dec 2010
Posts: 3648
Location: Germany

PostPosted: Fri Jan 06, 2017 8:09    Post subject: Reply with quote
js1662 wrote:
I am a bit surprise that RT-AC5300 with a dual core 1.4GHz CPU can't handle 25Mb/s with OpenVPN. I think I will move this thread to the Broadcom sub-forum and let others including the RT-AC5300 owner to comment. May be it is a good idea if you can provide information on which build that you are using. In case it is an old build, you may want to try the more recent builds and see if it makes a difference or not.


Even a R7000 does around 50Mbps as VPN client. Either wrong settings or the test was somehow flawed, e.g. router already had other things to do etc. TH AC5300 should easily do 50Mbps.

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sploit
DD-WRT User


Joined: 16 Apr 2016
Posts: 86
Location: California

PostPosted: Fri Jan 06, 2017 9:16    Post subject: These three routerd Reply with quote
I do VPN speed testing.

These three routers do excellent.

Asus AC-68U or TMAC68U (Tmobile Conversion) will do 60 Mbps with AES-128-CBC

Linksys WRT1200AC will do 85 Mbps

Linksys WRT1900ACS (or the V2) will do 100 Mbps no Problem

Do not get the Linksys WRT1900AC (V1) although it will still do 45 Mbps get the V2 for faster VPN speeds
Ozonexp
DD-WRT Novice


Joined: 21 May 2015
Posts: 4

PostPosted: Mon Jan 09, 2017 16:35    Post subject: Reply with quote
I'm sorry but it will not handle it. What is the most powerful router I can buy for enterprise or residential running dd-wrt that can handle it? I'm thinking about picking up an R9000.
egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 506
Location: Netherlands

PostPosted: Mon Jan 09, 2017 17:25    Post subject: Reply with quote
With an Annapurna Labs AL-314 with 4 Cortex A15 Arm cores at 1,4 GHz it should be fast enough Smile

For supported routers have a look at: https://www.dd-wrt.com/wiki/index.php/Supported_Devices
I do not think that the R9000 is supported already Sad

I have an R6400 which easily maxes out my internet speed of 40/4MB with my PIA VPN. Altough it is not very fast by modern standards.
If you want a really fast router with regard to processing power then skip the Broadcom routers.
I think one of the fastest supported routers is the R7800

_________________
Router Netgear R6400, Linksys EA6900 (XvortexCFE), Linksys E2000 (converted WRT320N), WRT54GS v1.
Install guide see Linksys EA6900: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=291230
js1662
DD-WRT Guru


Joined: 23 Jul 2014
Posts: 1120
Location: BC, CA

PostPosted: Mon Jan 09, 2017 23:23    Post subject: Reply with quote
Ozonexp wrote:
I'm sorry but it will not handle it. What is the most powerful router I can buy for enterprise or residential running dd-wrt that can handle it? I'm thinking about picking up an R9000.


As Kong and others pointed out, many less powerful router than RT-AC5300 can handle over 50Mb/s with OpenVPN client so there is no reason why your RT-AC5300 can't handle 25Mb/s with OpenWPN client. Hence, it is better to figure out why your RT-AC5300 has such poor OpenVPN client performance instead of looking for another router.

My suggestion is to first upgrade your router to latest Kong build which can be found here: http://www.desipro.de/ddwrt/K3-AC-Arm/ and then setup the router real simple so that it is not running any other fancy stuffs besides OpenVPN client and see how it performs.
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