Re: [Openvpn-users] Re: Issue routing among three VPNs

[Doug Lytle <support@xxxxxxxxxx>]

Kurt,

Add:

   persist-tun
   persist-key

to your configuration files.

Doug

Kurt wrote:

> Borja Pacheco <bpacheco <at> acisa.com.es> writes:
>
>  
>
> > Dear all,
> > I've configured my network using OpenVPN to establish connections among
> >    
> different offices (nowadays three ones).
>  
>
> > The topology is based on an star, with a central hub in the main office, which
> >    
> serves VPNs (OpenVPN Server) to the others offices (which acts as OpenVPN
> clients, using fixed IP addresses).
>  
>
> > Graphically:
> > Host B <---OpenVPN Tunnel---> Host A <---OpenVPN Tunnel---> Host C
> > Host A, is located into our main office, and it's a quite complex firewall
> >    
> attached to several subnetworks.
>  
>
> > Tunnels works fine when, from Host A (or its subnetworks) I try to reach any
> >    
> host located at office B or C, or viceversa (from B or C to A).The problem
> arises when I try to reach hosts from B to C (or C to B). 
>  
>
> > Host A forwards packets fine, and I noticed that this issue only happens when
> >    
> routing from a tun device to another, when I route to another subnet which is
> attached to an standard ethernet device, everything works fine.
>  
>
> > Does anybody knows if exists a limitation on it? is it a configuration issue?
> >    
> Any idea?  :S
>  
>
> > Thanks in advance!!! 
> >
> >    
>
> Hi Borja,
>
> do you use two different tun interfaces on your Host A (like tun0 and tun1) or a
> single one? 
> Kurt
>
>
>
>
>
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