[asterisk-users] connecting 2 asterisk servers through OpenVPN

[O.Kamal]

There is no problem with the CPU utilization, it is around 40%, I will not
be able to try this without the VPN, maybe I should try another VPN solution
like OpenSwan, or PPTP.

Why do you think that IAX will make a difference than SIP?

On 1/16/07, Gordon Henderson <gordon+asterisk at drogon.net> wrote:
>
> On Mon, 15 Jan 2007, O.Kamal wrote:
>
> > I am trying to connect 2 asterisk servers through OpenVPN, the VPN
> should
> > carry 16 channel, however when active channels reached 4 concurrent
> > channels, the connection became unstable, with a very high latency
> (around
> > 900ms), the internet bandwidth is 1Mbps on each server, I have upgraded
> the
> > bandwidth to double it, but still have exactly the same problem.
> >
> > Any tips or recommendations on such setup?
>
> No real answers, but questions that might help ...
>
> Have you tried it without using OpenVPN? Just port-forward the SIP & RTP
> ports, if you need to and give it a go.
>
> > I am using SIP and G729 between the 2 servers, openVPN using UDP with no
> > compression.
>
> Why not IAX?
>
> Are your openVPN end-points up to it? Doing high-grade encryption in
> software might challenge some slower processors - are the VPN endpoints
> the asterisk boxes themselves?
>
> Gordon
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