The Unix/Linux `traceroute` command and the Microsoft Windows `tracert` commands both accomplish the task of tracing network paths, but they do it in slightly different ways. Both of these tools for tracing network routes send out a packet wth TTL (Time To Live) set to 1 and report it's destnation. Then, they send out a packet with TTL=2 and report it's destination. They continue until the packets reach their final destination or the TTL limit is exceeded. The difference is that Unix/Linux `traceroute` uses UDP (User Datagram Protocol) packets to a random high port number, while Microsoft Windows uses ICMP [...]