[Openvpn-users] Which method do you suggest?

["Brad Smith" <mata@xxxxxxxxxxxxxxxx>]

I am trying to set up a voice-over-IP methodolgy, involving NetMeeting 
on Win32 clients.  To solve the problems between NetMeeting and NAT 
routers, I think I can solve the problem by having each client connect to 
the master server through OpenVPN.  This way, theoretically, each 
NetMeeting client will appear as if they are on the same network (an 
environment that works).

On the master server (192.168.1.100), I am running a Gatekeeper 
server, which handles all the transactions between the NetMeeting 
clients.

So far, I have managed to get a point-to-point connection working by 
running OVPN on the master server (target) and on a client, using IP 
101.202.101.1 (target) and 101.202.101.2 (client/road-warrior).  From 
the client-side, I opened NetMeeting and pointed it to the gatekeeper 
server through IP 101.202.101.1.  Further, I see the gatekeeper server 
register the NetMeeting client's existence.

Next, I repeated the process with a second NetMeeting client, 
connecting to the gatekeeper through OVPN.  I see this client register 
with the gatekeeper server also.

Here is where the problem occurs:  the two NetMeeting clients cannot 
interact with each other.

I understand that, in a point-to-point connection, the target can host 
many clients, but the clients cannot communicate with each other.  I 
thought I was getting around this angle by having the gatekeeper on the 
target server handle the transactions, therefore, maintaining that point-
to-point connection, transferring all data between the clients via the 
gatekeeper server.  Unfortunately, this is not working.

I was very excited to see a server/client model developed in OVPN 2.x, 
and wonder if this is my solution.  But, I am facing a further problem.  
Every time I try running OVPN 2.2beta as the server (on Win XP Pro), I 
receive this message that the OVPN cannot open dh1024.pem, yet it 
exists.

So, in closing, I have two questions:
1.  Do you think that the NetMeeting clients are not connecting because 
I was trying through a point-to-point connection?  If so, do you think 
OVPN 2.x's server/client model will solve the problem?
2.  Why am I getting this error message re: not being able to open 
dh1024.pem?  And, is there a workaround, or, is dh1024.pem even 
necessary?

Thanks in advance for your help.

Brad Smith

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