Re: [Openvpn-users] Performance problem

[Jon Bendtsen <jon.bendtsen@xxxxxxxxxx>]

Den tirsdag 4.apr kl. 1:13 skrev Andre Tann:

> > Did you enable compression?
>
> # cat /etc/openvpn/server.conf
> [...]
> # Enable compression on the VPN link.
> # If you enable it here, you must also
> # enable it in the client config file.
> comp-lzo
> [...]
>
> I have not changed this setting, it was the default.

on my client computer, enabling comp-lzo used alot of CPU.


> > Do you have alot of
> > When you ping, do you have alot of packet loss?
>
> No, I have no packet loss at all. But I have rather long round trip
> times.
>
>
> > What about MTU issues? fragmentation?
>
> How can I find this out? I don't know where to start trying...
>
>
> > Start using a network sniffer and notice how the traffic is
> > different between
> > IPSEC and OpenVPN.
>
> I know how to start tcpdump, and maybe ethereal. But I don't know
> what I'm looking for. Can you give me a hint?

i can not explain what to look for as i do not think i know enough of
IPv4 traffic to guide you.



JonB

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