> If a Linux box has 2 NICs, I would like to generate some packets in the
> kernel, sent them out from one NIC to an Ethernet switch, and then
> receive them on the other NIC. Is it possible, with the help of appropriate
> routing table, routing rules and ARP configuration? Or the kernel IP
> stack must be modified? It seems to me that if the kernel figures
> out that a packet's next hop is its local network interface, it will
> deliver to that interface through IP stack directly.
look at snull in Rubini's ldd2, available as FDL (iirc) at www.oreilly.com
- Arnaldo
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