hello, I connected two PCs back-to-back via a cross cable on COM2 ports.I configured serial interfaces using # slattach -p slip -s 9600 /dev/ttyS1 I assigned IP addresses and added route to the routing table.I configured everything and I run ping command. ping results are not what I expected. because delay time is about 390.046 ms. this is to much. I want it to be about 1 ms or less. Is it something about buffers? how can I configure it? and is there another way of connecting two PCs via a cross cable efficiently? thanks. ece. - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org