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OpenVPN: Slow external (via Internet) connection via VPN (UDP and TCP / with and without compression)

MarkusSchlüter1

Hi there,

although I have a 100MBit (down) / 40 Mbit (up) Internet connection (I get at least 89 / 35) the network speed via VPN tunnel (over LTE 300MBit or another stationary Internet connection 150MBit / 10 MBit) is horrible slow (max. 6 MBit up and down).

I already tested to enable / disable compression, used TCP / UDP protocol and change the cryptographic settings (Key Size, etc.) -> nothing helped...

I did not configure a QOS setting for the firewall rules allowing the traffic between WAN / LAN.

 

Any ideas?



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  • 0

    may be relevant to know xg model and firmware used

    how does cpu utilization look on the xg while the encrypted vpn traffic is passing across it?

    how does ping look from client to xg wan ip?

    what is max throughput unencrypted non-vpn to/from the same client over the internet to/from a system behind the xg using ftp or iperf or similar method to determine the max peering bandwidth between each connection?

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  • 0

    may be relevant to know xg model and firmware used

    how does cpu utilization look on the xg while the encrypted vpn traffic is passing across it?

    how does ping look from client to xg wan ip?

    what is max throughput unencrypted non-vpn to/from the same client over the internet to/from a system behind the xg using ftp or iperf or similar method to determine the max peering bandwidth between each connection?

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