[support] How do the tunnel work?

[Romain KUNTZ]

Hi,

You can check how the tunnel_add()/tunnel_del() functions creates/ 
delete tunnels (in the UMIP src/tunnelctl.c source file).

Regards,
romain

On 2009/10/20, at 16:39, tony chen wrote:

> Hi, every body.
> I have a problem about tunnel working.
>
> I read the source code in the NEPL program,and I guess the tunnel  
> function is not in the NEPL.
> The NEPL will call the linux kernel and tell kernel about the tunnel  
> information to setup it.
>
> Now, I am writing a small project like NEPL.
> When the MN go to the foreign network and the RO is on, the CN sends  
> packets with RO.
> These packets will go to the MN's CoA directly because RO,but the  
> destination addresss is still MN's HoA.
>
> The problem is how I talk with linux kernel and ask kernel to setup  
> the tunnel.
>
> Thanks, everybody.
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