traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. Traceroute is available on most operating systems. On the Apple Mac OS, traceroute is available through opening 'Network Utilities' then selecting 'Traceroute' tab. On Microsoft Windows operating systems it is named tracert. Windows NT-based operating systems also provide PathPing, with similar functionality. Variants with similar functionality are also available, such as tracepath on Linux installations. For Internet Protocol Version 6 (IPv6) the tool sometimes has the name traceroute6. . Traceroute sends a sequence of Internet Control Message Protocol (ICMP) echo request packets addressed to a destination host. Determining the intermediate routers traversed involves adjusting the time-to-live (TTL), aka hop limit, Internet Protocol parameter.
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