php man page for traceroute

TRACEROUTE(1)							   User Commands						     TRACEROUTE(1)

NAME
       traceroute - Trace the route to a host

SYNOPSIS
       traceroute [OPTION...] HOST

DESCRIPTION
       Print the route packets trace to network host.

       -f, --first-hop=NUM
	      Set initial hop distance, that is the time-to-live.

       -g, --gateways=GATES
	      List of gateways for loose source routing.

       -I, --icmp
	      Use ICMP ECHO as probe.

       -m, --max-hop=NUM
	      Set maximal hop count (default is 64).

       -M, --type=METHOD
	      Use METHOD (icmp or udp) for traceroute operations, defaulting to udp.

       -p, --port=PORT
	      Use destination PORT port (default is 33434).

       -q, --tries=NUM
	      Send NUM probe packets per hop (default is 3).

       --resolve-hostnames
	      Resolve hostnames.

       -t, --tos=NUM
	      Set type of service (TOS) to NUM.

       -w, --wait=NUM
	      Wait NUM seconds for response (default is 3).

       -?, --help
	      Give this help list.

       --usage
	      Give a short usage message.

       -V, --version
	      Print program version.

GNU inetutils							    2015-05-15							     TRACEROUTE(1)