Tunneling in Ubuntu

[Werner Schram]

On Wed, Feb 3, 2010 at 7:02 AM, Nazeem نجم لدين <nazeemnss at gmail.com> wrote:
>
> hi,
> Can you suggest way of getting a multicast tunnel work. The assumption is
> that there is a unicast cloud in between two mbone networks. So we need to
> forward the multicast traffic over the unicast tunnel. Application is for
> video transmission.
> -Nazeem
>

I think you should be able to do it with openvpn. Using the tap setup, 
you can create a OSI layer 2 tunnel, which should be able to handle 
ip-multicast. You then need to update the routing tables in both 
networks to send multicast traffic to the tunnel in stead of the router. 
If you fully thrust the connection between the two networks, you could 
disable openvpn's encryption for better performance.

Werner