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i am experiencing different bandwith and different pings when connecting from my home to the vpn servers of my vpn service provider in asia. So client and host location stays the same. Only OS and machines (vm or native) vary.

The differences vary from the OS / machine i am using. What could cause this? What should i adjust / compare?


When using Windows 7 x64 with OpenVPN v11.10.0 i have the following bandwith regarding to speedtest.net

  • Ping: 275ms
  • Download: 25.39 Mbps
  • Upload: 9.51 Mbps

And without active vpn:

  • Ping: 6ms
  • Download: 69.84 Mbps
  • Upload: 25.33 Mbps

When running my virtual machine inside that Windows 7 machine using Lubuntu 16.04, Kernel 4.4.0-139-generic, OpenVPN 2.4.6 (before i had version 2.3.10 but that didn`t make any difference)

  • Ping: 276ms
  • Download: 3.62 Mbps
  • Upload: 4.68 Mbps

Without active vpn:

  • Ping: 10ms
  • Download: 69.51 Mbps
  • Upload: 20.24 Mbps

When using my Lubuntu native machine ( that i mainly use as homeserver), with Lubuntu 16.04, Kernel 4.4.0-139-generic and OpenVPN 2.3.10

  • Ping: 393ms
  • Download: 16.43 Mbps
  • Upload: 6.14 Mbps

Wihout active vpn:

  • Ping: 10 ms
  • Download: 69.03 Mbps
  • Upload: 24.68 Mbps

Below is the *.ovpn config that i use for my Windows machine.

client
dev tun
proto udp
remote IP 1198
resolv-retry infinite
nobind
persist-key
persist-tun
cipher aes-128-cbc
auth sha1
tls-client
remote-cert-tls server

auth-user-pass
compress
verb 3
reneg-sec 0

-----BEGIN X509 CRL-----

-----END X509 CRL-----



-----BEGIN CERTIFICATE-----

-----END CERTIFICATE-----


disable-occ

Below is the *.ovpn config that i use for my Linux machines.

client
dev tun
proto udp
remote IP 1198
resolv-retry infinite
nobind
persist-key
persist-tun
cipher aes-128-cbc
auth sha1
tls-client
remote-cert-tls server

comp-lzo no
verb 3
reneg-sec 0
crl-verify crl.rsa.2048.pem
ca ca.rsa.2048.crt

disable-occ

auth-user-pass ../passfile
auth-nocache

setenv opt block-outside-dns

script-security 2
up /etc/openvpn/update-resolv-conf
down /etc/openvpn/update-resolv-conf

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