... > * with IP over FC : > I have around 21 MB/s performance using a big file (600 MB) > transfer by > FTP > > * with IP on Gigabit Ethernet : > I have around 33 MB/s with the same test using similar > conditions (same > file, same directory to store it). Let us identify the bottleneck first. Is it the CPU0? Try observing "mpstat -P ALL" and see which one of the CPU's is loaded, if at all. Its important we identify what resource saturates in the IP-over-FC case, which doesn't in the other. Dheeraj - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html