(In Windows7 and above systems, when setting the local IP address, you will often see that the partner is rich in IPV4 protocol items and IPV6 protocol items, which is different from the previous windowsxp system with only TCP/IP protocol items. Many brothers feel that the contrast is odd. , ask to correct the difference between IPv4 and IPv6, the following correction will give you a prestige introduction to what is the difference between IPv4 and IPv6)