Hi Chuck, > As I understand it, "lo" is effectively a virtualized network device > with point-to-point routing. Looping back through a real NIC can, in > many cases, go all the way down to the network hardware and back, and > is likely subject to routing decisions in your system's network layer. > So I would expect them to be different in most cases. Atleast in the linux stack, if you address a local network device, the kernel does a route lookup to figure out which interface to send the packet out on, and this results in using lo. Thanks, - KK -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
