For the program argument -i <device>, what is the Y in "ethX@Y" ? is it a 
filter e.g. multicast address?

What
 does the num_threads do? How does multi-thread help on performance? Concurrent 
execution on the packet callback?

What is a reflector_device ? is it like a packet forwarding mechanism, and is 
no need for a receive only application?

Can I use pfring_recv to replace pfring_loop? Does it hurt performance?  
Because I am writing class and pfring_loop callback does not allow bind to 
member function.
 E.g.

while(start_)
{
if(pfring_recv(....))
{
//proceed
}
}

It would be nice if pfring_recv will have a version of burst receive like zc in 
the future.

B.R
Bryan                                     
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