Re: problem of using network-manager-vpnc

[Dan Williams <dcbw redhat com>]

On Tue, 2008-03-18 at 15:17 +0100, Xin ZHOU wrote:
> Hello,
> 
> I'm new user of linux and I'm using Ubuntu 7.10.
> 
> Followed by some tutorial on internet, I've installed 
> network-manager-vpnc and vpnc. Then I see the interface.
> Compare with the interface in windows, it seems that it does allow to 
> configure the transport (ex: the protocol or the port)
> 
> But I assume that by default they are configured.
> 
> And then I start the connection. The connection succeeded, but the data 
> is not communicated.
> 
> I don't understand why, because normally if the connection is 
> established, there should have no problems.
> 
> What can the problem be? How can I search for the cause of the problem.
> Because that there is no much behaviour our error message that I can 
> provide.
> 
> By the way, the server side of VPN succeeded to detected my connection.
> So the connection is established.
> 
> Any idea for that?

First, can you ping your VPN gateway from a terminal?  It makes me think
that your routing is getting set up incorrectly somehow.  Also, please
note that vpnc does not support the TCP connection method, only UDP.

Dan