The iputils package contains ping, a basic networking tool. The ping command sends a series of ICMP protocol ECHO_REQUEST packets to as pecified network host and can tell you if that machine is alive and receiving network traffic.ipv6calc is a small

基于winsock2的Ping命令，有-r的参数功能，对初学者很适用！-Based on winsock2 the Ping command, there is-r parameter function, well suited for beginners!

program for ping commands