like normal, then press Start>Run and type command. 4) In the command box, type ping -f -l 1472 www.yourispswebsite.com -l is a lowercase L, not a bar | Simply change it back to 576 if it gives an error of "Packet needs to be fragmented but DF set." That error is telling you that your ISP doesn't support that MTU. Where can I test the speed of my internet? DSLR Speed
