Tracert（跟踪路由）是路由跟踪实用程序，用于确定 IP数据包访问目标所采取的路径。Tracert 命令使用用 IP 生存时间 (TTL) 字段和 ICMP 错误消息来确定从一个主机到网络上其他主机的路由.其命令格式如下。tracert [-d] [-h maximum_hops] [-j computer-list] [-w timeout] target_name-Tracert (Trace Route) is a route-tracing utility used to determine the IP packet access path taken goal. Tracert command using IP Time to Live (TTL) field and ICMP error messages to determine the route　one host to another host on a network. The format is as follows. tracert [-d] [-h maximum_hops] [-j computer-list] [-w timeout] target_name