Hi,
 
I have a following network topology
 
          eth3/tun0                                                             
      eth3
[Linux]<------------------------->[Router]<-------------------->[Linux]
Client side                                                                     
              Server side
 
Both client and server are on same host using different interfaces.
 
The interface between Linux (client) and Router is ethernet, however a tunnel 
is established between router and linux. The tunnel software installs "tun0" 
interfaces with a IP when it connects to the router.  
 
Now, I have a capture file captured on server side. It has src ip of tun0 and 
dest ip of server side ethernet ip address (eth3) with ethernet headers. Now I 
want to replay it on above topology. However, it seems I can not send packets 
over tun0. Layer 2 header problem may be
 
Is there a way in tcpreplay, to just consider info upto Layer 3 and let the OS 
build the Layer 2 headers? Or build a tunnel interface specific header.?
 
 
Thanks in advance.
 
Regards,
Nilesh.


 
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