1.\" $KAME: traceroute6.8,v 1.10 2004/06/06 12:35:15 suz Exp $ 2.\" 3.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the project nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\"
| 1.\" $KAME: traceroute6.8,v 1.10 2004/06/06 12:35:15 suz Exp $ 2.\" 3.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the project nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\"
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30.\" $FreeBSD: head/usr.sbin/traceroute6/traceroute6.8 130268 2004-06-09 12:45:51Z dwmalone $
| 30.\" $FreeBSD: head/usr.sbin/traceroute6/traceroute6.8 131754 2004-07-07 19:57:16Z ru $
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31.\" 32.Dd May 17, 1998 33.Dt TRACEROUTE6 8 34.Os 35.\" 36.Sh NAME 37.Nm traceroute6 38.Nd "print the route IPv6 packets will take to a network node" 39.\" 40.Sh SYNOPSIS 41.Nm 42.Bk -words 43.Op Fl dIlnrv 44.Ek 45.Bk -words 46.Op Fl f Ar firsthop 47.Ek 48.Bk -words 49.Op Fl g Ar gateway 50.Ek 51.Bk -words 52.Op Fl m Ar hoplimit 53.Ek 54.Bk -words 55.Op Fl p Ar port 56.Ek 57.Bk -words 58.Op Fl q Ar probes 59.Ek 60.Bk -words 61.Op Fl s Ar src 62.Ek 63.Bk -words 64.Op Fl w Ar waittime 65.Ek 66.Bk -words 67.Ar target 68.Op Ar datalen 69.Ek 70.\" 71.Sh DESCRIPTION
| 31.\" 32.Dd May 17, 1998 33.Dt TRACEROUTE6 8 34.Os 35.\" 36.Sh NAME 37.Nm traceroute6 38.Nd "print the route IPv6 packets will take to a network node" 39.\" 40.Sh SYNOPSIS 41.Nm 42.Bk -words 43.Op Fl dIlnrv 44.Ek 45.Bk -words 46.Op Fl f Ar firsthop 47.Ek 48.Bk -words 49.Op Fl g Ar gateway 50.Ek 51.Bk -words 52.Op Fl m Ar hoplimit 53.Ek 54.Bk -words 55.Op Fl p Ar port 56.Ek 57.Bk -words 58.Op Fl q Ar probes 59.Ek 60.Bk -words 61.Op Fl s Ar src 62.Ek 63.Bk -words 64.Op Fl w Ar waittime 65.Ek 66.Bk -words 67.Ar target 68.Op Ar datalen 69.Ek 70.\" 71.Sh DESCRIPTION
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| 72The
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72.Nm
| 73.Nm
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| 74utility
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73uses the IPv6 protocol hop limit field to elicit an ICMPv6 TIME_EXCEEDED 74response from each gateway along the path to some host. 75.Pp 76The only mandatory parameter is the destination host name or IPv6 address. 77The default probe datagram carries 12 bytes of payload, 78in addition to the IPv6 header.
| 75uses the IPv6 protocol hop limit field to elicit an ICMPv6 TIME_EXCEEDED 76response from each gateway along the path to some host. 77.Pp 78The only mandatory parameter is the destination host name or IPv6 address. 79The default probe datagram carries 12 bytes of payload, 80in addition to the IPv6 header.
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79The size of the payload can be specified by giving a length 80.Po in bytes 81.Pc 82after the destination host name.
| 81The size of the payload can be specified by giving a length 82(in bytes) 83after the destination host name.
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83.Pp 84Other options are: 85.Bl -tag -width Ds 86.It Fl d 87Debug mode. 88.It Fl f Ar firsthop 89Specify how many hops to skip in trace. 90.It Fl g Ar gateway 91Specify intermediate gateway 92.Nm ( 93uses routing header). 94.It Fl I 95Use ICMP6 ECHO instead of UDP datagrams. 96.It Fl l 97Print both host hostnames and numeric addresses. 98Normally 99.Nm 100prints only hostnames if 101.It Fl m Ar hoplimit 102Specify maximum hoplimit, up to 255. 103The default is 30 hops. 104.Fl n 105is not specified, and only numeric addresses if 106.Fl n 107is specified. 108.It Fl n 109Do not resolve numeric address to hostname. 110.It Fl p Ar port 111Set UDP port number to 112.Ar port . 113.It Fl q Ar probes 114Set the number of probe per hop count to 115.Ar probes . 116.It Fl r 117.It Fl s Ar src 118.Ar Src 119specifies the source IPv6 address to be used. 120.It Fl v 121Be verbose. 122.It Fl w Ar waittime 123Specify the delay time between probes. 124.El 125.Pp
| 84.Pp 85Other options are: 86.Bl -tag -width Ds 87.It Fl d 88Debug mode. 89.It Fl f Ar firsthop 90Specify how many hops to skip in trace. 91.It Fl g Ar gateway 92Specify intermediate gateway 93.Nm ( 94uses routing header). 95.It Fl I 96Use ICMP6 ECHO instead of UDP datagrams. 97.It Fl l 98Print both host hostnames and numeric addresses. 99Normally 100.Nm 101prints only hostnames if 102.It Fl m Ar hoplimit 103Specify maximum hoplimit, up to 255. 104The default is 30 hops. 105.Fl n 106is not specified, and only numeric addresses if 107.Fl n 108is specified. 109.It Fl n 110Do not resolve numeric address to hostname. 111.It Fl p Ar port 112Set UDP port number to 113.Ar port . 114.It Fl q Ar probes 115Set the number of probe per hop count to 116.Ar probes . 117.It Fl r 118.It Fl s Ar src 119.Ar Src 120specifies the source IPv6 address to be used. 121.It Fl v 122Be verbose. 123.It Fl w Ar waittime 124Specify the delay time between probes. 125.El 126.Pp
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126This program prints the route to the given destination and the round-trip
| 127This program prints the route to the given destination and the round-trip
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127time to each gateway, in the same manner as traceroute. 128.Pp 129Here is a list of possible annotations after the round-trip time for each gateway:
| 128time to each gateway, in the same manner as traceroute. 129.Pp 130Here is a list of possible annotations after the round-trip time for each gateway:
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130.Pp
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131.Bl -hang -offset indent
| 131.Bl -hang -offset indent
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132.It !N
| 132.It !N
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133Destination Unreachable - No Route to Host.
| 133Destination Unreachable - No Route to Host.
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134.It !P
| 134.It !P
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135Destination Unreachable - Administratively Prohibited.
| 135Destination Unreachable - Administratively Prohibited.
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136.It !S
| 136.It !S
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137Destination Unreachable - Not a Neighbour.
| 137Destination Unreachable - Not a Neighbour.
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138.It !A
| 138.It !A
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139Destination Unreachable - Address Unreachable.
| 139Destination Unreachable - Address Unreachable.
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140.It !
| 140.It !\&
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141This is printed if the hop limit is <= 1 on a port unreachable message. 142This means that the packet got to the destination, 143but that the reply had a hop limit that was just large enough to 144allow it to get back to the source of the traceroute6. 145This was more interesting in the IPv4 case, 146where some IP stack bugs could be identified by this behaviour. 147.El 148.\" 149.Sh RETURN VALUES 150The 151.Nm 152utility will exit with 0 on success, and non-zero on errors. 153.\" 154.Sh SEE ALSO 155.Xr ping 8 , 156.Xr ping6 8 , 157.Xr traceroute 8 158.\" 159.Sh HISTORY 160The 161.Nm 162utility first appeared in WIDE hydrangea IPv6 protocol stack kit.
| 141This is printed if the hop limit is <= 1 on a port unreachable message. 142This means that the packet got to the destination, 143but that the reply had a hop limit that was just large enough to 144allow it to get back to the source of the traceroute6. 145This was more interesting in the IPv4 case, 146where some IP stack bugs could be identified by this behaviour. 147.El 148.\" 149.Sh RETURN VALUES 150The 151.Nm 152utility will exit with 0 on success, and non-zero on errors. 153.\" 154.Sh SEE ALSO 155.Xr ping 8 , 156.Xr ping6 8 , 157.Xr traceroute 8 158.\" 159.Sh HISTORY 160The 161.Nm 162utility first appeared in WIDE hydrangea IPv6 protocol stack kit.
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