这是一个简单的路由跟踪工具，通过发送UDP包，使初始TTL值为一，即发送到第一个节点时终止，返回，之后再将TTL值++，收集每个返回的ICMP信息即可得到封包经过的路由。-This is a simple routing tracking tool, by sending a UDP packet, so that the initial TTL value of 1, that is sent to the first node the termination, return, and the