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head/contrib/traceroute/traceroute.8
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| .\" from this software without specific prior written permission. | .\" from this software without specific prior written permission. | ||||
| .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | ||||
| .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | ||||
| .\" WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | .\" WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | ||||
| .\" | .\" | ||||
| .\" $Id: traceroute.8,v 1.19 2000/09/21 08:44:19 leres Exp $ | .\" $Id: traceroute.8,v 1.19 2000/09/21 08:44:19 leres Exp $ | ||||
| .\" $FreeBSD$ | .\" $FreeBSD$ | ||||
| .\" | .\" | ||||
| .Dd May 31, 2015 | .Dd June 20, 2019 | ||||
| .Dt TRACEROUTE 8 | .Dt TRACEROUTE 8 | ||||
| .Os | .Os | ||||
| .Sh NAME | .Sh NAME | ||||
| .Nm traceroute | .Nm traceroute | ||||
| .Nd "print the route packets take to network host" | .Nd "print the route packets take to network host" | ||||
| .Sh SYNOPSIS | .Sh SYNOPSIS | ||||
| .Nm | .Nm | ||||
| .Bk -words | .Bk -words | ||||
| .Op Fl adDeFISnrvx | .Op Fl adDeFISnrvx | ||||
| .Op Fl f Ar first_ttl | .Op Fl f Ar first_ttl | ||||
| .Op Fl g Ar gateway | .Op Fl g Ar gateway | ||||
| .Op Fl M Ar first_ttl | .Op Fl M Ar first_ttl | ||||
| .Op Fl m Ar max_ttl | .Op Fl m Ar max_ttl | ||||
| .Op Fl P Ar proto | .Op Fl P Ar proto | ||||
| .Op Fl p Ar port | .Op Fl p Ar port | ||||
| .Op Fl q Ar nqueries | .Op Fl q Ar nprobes | ||||
| .Op Fl s Ar src_addr | .Op Fl s Ar src_addr | ||||
| .Op Fl t Ar tos | .Op Fl t Ar tos | ||||
| .Op Fl w Ar waittime | .Op Fl w Ar waittime | ||||
| .Op Fl A Ar as_server | .Op Fl A Ar as_server | ||||
| .Op Fl z Ar pausemsecs | .Op Fl z Ar pausemsecs | ||||
| .Ar host | .Ar host | ||||
| .Op Ar packetlen | .Op Ar packetlen | ||||
| .Ek | .Ek | ||||
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| Protocol specific. For UDP, UDP-Lite, TCP and SCTP, sets | Protocol specific. For UDP, UDP-Lite, TCP and SCTP, sets | ||||
| the base | the base | ||||
| .Ar port | .Ar port | ||||
| number used in probes (default is 33434). | number used in probes (default is 33434). | ||||
| Traceroute hopes that nothing is listening on UDP ports (or UDP-Lite ports | Traceroute hopes that nothing is listening on UDP ports (or UDP-Lite ports | ||||
| if used by | if used by | ||||
| .Nm | .Nm | ||||
| and supported by the peer) | and supported by the peer) | ||||
| .Em base + 1 | .Em port + 1 | ||||
| to | to | ||||
| .Em base + nhops * nprobes | .Em port + (max_ttl - first_ttl + 1) * nprobes | ||||
| at the destination host (so an ICMP PORT_UNREACHABLE message will | at the destination host (so an ICMP PORT_UNREACHABLE message will | ||||
| be returned to terminate the route tracing). If something is | be returned to terminate the route tracing). If something is | ||||
| listening on a port in the default range, this option can be used | listening on a port in the default range, this option can be used | ||||
| to pick an unused port range. | to pick an unused port range. | ||||
| .It Fl q Ar nqueries | .It Fl q Ar nprobes | ||||
| Set the number of probes per hop (default is 3, | Set the number of probes per hop (default is 3, | ||||
| unless | unless | ||||
| .Fl D | .Fl D | ||||
| is specified, | is specified, | ||||
| when it is 1). | when it is 1). | ||||
| .It Fl r | .It Fl r | ||||
| Bypass the normal routing tables and send directly to a host on an attached | Bypass the normal routing tables and send directly to a host on an attached | ||||
| network. | network. | ||||
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