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

[Leonard Isham <leonard.isham@xxxxxxxxx>]

On Wed, 03 Nov 2004 14:22:46 +0100, Borja Pacheco <bpacheco@xxxxxxxxxxxx> wrote:
>  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!!! 

I's a routing issue either site C has no route to site B's subnet;
site B has no route to site C's subnet or both.

-- 
Leonard Isham, CISSP 
Ostendo non ostento.

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