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Forum Discussion
OpenVPN download speed extremely slow on Readynas duo 104
Hello,
I've recently set up a OpenVPN tunnel from my ReadyNas Duo 104 with my VPN service provider (ivpn.net). Everything is working fine, but I am experiencing massive performance losses.
I'm on a 100/10 Mbit connection and without VPN i can max out my bandwidth's download speed on my NAS. As soon as i connect to the VPN my download speed goes down to as low as 8Mbit/s. I have no problems what so ever using the vpn on other platforms (windows, ios), and the server responds within 20-30ms.
I've been messing around with the MTU size, different ports and everything I could find out.
Does anyone know what I can do? Is the hardware in the NAS simply too weak for encrypting my data to meet those speeds?
Any tips are helpful.
Thanks!
2 Replies
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And this link can help you
https://www.ivpn.net/knowledgebase/66/My-VPN-is-slow-what-can-I-do-to-make-it-faster.html
I would replace openVPN to IPSec with ivpn.net
OpenVPN performance is dependent of encrypting key size. This parameter is used for openvpn sertificate key generation (encrypting key). Below is oficial comment from openvpn.net for key generation script:
/*****************************************
Increase this to 2048 if you are paranoid.
This will slow down TLS negotiation performance
as well as the one-time DH parms generation process.****************************************/
set KEY_SIZE=1024I think you need contact to ivpn.net and request regenerate sertificate with less "paranoid" security key if it possible.
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