OpenVPN max speed

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OpenVPN max speed

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OpenVPN max speed
OpenVPN max speed
2022-07-03 04:05:07 - last edited 2023-06-15 02:14:38
Model: Archer AX73  
Hardware Version: V1
Firmware Version: 1.2.0 Build 20211222 rel.74632(4341)

I just purchased the AX73, when setting up OpenVPN Client using NordVPN I noticed the download speed seems to be limited to 10% of my overall internet speed.

 

When not using OpenVPN on AX73 and (feature disabled) and connecting to Nord from my PC or iPhone, I get full internet speed of 500Mbps over wireless. When connecting to Nord on AX73 (feature enabled), I am only getting 50Mbps. I tested both TCP and UDP for Nord's configuration file.

 

AX73 is connected to the ISP modem directly, and iPhone/Computer connect via Wireless 5ghz.

  • OFDMA disabled
  • TWT disabled
  • Smart Connect disabled
  • MU-MIMO enabled

 

Is this a limitation of the AX73, or is there a way to control this via settings?

 

Thanks!

 

 

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#1
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4 Reply
Re:OpenVPN max speed
2022-07-03 15:51:06

  @99e 

 

Hi,

 

The AX73's Broadcom BCM6750 chip has a Triple-Core Cortex-A7 CPU clocked at 1.5 GHz.

 

To put this into perspective, the HTC Desire 816, a mid-range smartphone from 2014, has a Quad-Core Cortex-A7 CPU at 1.6 GHz.

 

So, for a fair comparison you should install the OpenVPN client on a mid-range phone from around 2014 and test how much download speed it can achieve.

 

In case you are indeed able to test this, then please report back, as I am also interested in the result. (I can't do the old-phone test it myself, due to lack of access to a fast enough VPN server)

 

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#2
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Re:OpenVPN max speed
2022-07-03 18:38:37

  @woozle 

 

I have a iPhone 6s (Model: MN0W2VC/A) I just tested with which was manufactured in 2015. It is currently running iOS 15.3 and I installed an OpenVPN client from the AppStore. I imported the same NordVPN configuration file like on the AX73.

 

The result was the iPhone 6s is getting 120Mbps download using the UDP configuration file. On the AX73, I can only max out at 50Mbps.

 

Thanks!

 

 

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#3
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Re:OpenVPN max speed
2022-07-03 20:37:56

  @99e 

 

The iPhone 6s being one of the flagship phones of its time, we can assume its CPU was already much more powerful than any Cortex A7-based CPU, so the 50 Mbps the Archer AX73 manages to transfer through OpenVPN might just be the limit for its CPU. 

 

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#4
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Re:OpenVPN max speed
2023-06-15 02:18:33

Hello @99e 

 

I'm replying to inform you that our development team has provided a beta firmware that has proven to improve the OpenVPN performance, please try to install it on your AX73 to test and observe the overall performance and let me know if it does improve the speed in your network:

Public Beta Release to Improve OpenVPN Performance on Archer AX73

 

Thank you very much for your feedback.

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#5
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