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| author |   jmc <jmc@openbsd.org> | 2016-10-20 20:00:01 +0000 |
|---|---|---|
| committer | jmc <jmc@openbsd.org> | 2016-10-20 20:00:01 +0000 |
| commit | a36937c554894c34cd3f2a38ea59323e0f7c4e35 (patch) | |
| tree | 4829d8ba1c35c5097cc0224de601ebf66da09037 /usr.sbin/traceroute/traceroute.8 | |
| parent | spread the Xr! as a bonus, typo fix in switchd.conf.5 too; (diff) | |
| download | wireguard-openbsd-a36937c554894c34cd3f2a38ea59323e0f7c4e35.tar.xz wireguard-openbsd-a36937c554894c34cd3f2a38ea59323e0f7c4e35.zip | |
try to make DESCRIPTION read like it was written for one program, not two;
ok florian
Diffstat (limited to 'usr.sbin/traceroute/traceroute.8')
| -rw-r--r-- | usr.sbin/traceroute/traceroute.8 | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/usr.sbin/traceroute/traceroute.8 b/usr.sbin/traceroute/traceroute.8 index 21eeadf0016..b1a370d05bc 100644 --- a/usr.sbin/traceroute/traceroute.8 +++ b/usr.sbin/traceroute/traceroute.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: traceroute.8,v 1.63 2015/09/14 20:06:59 schwarze Exp $ +.\" $OpenBSD: traceroute.8,v 1.64 2016/10/20 20:00:01 jmc Exp $ .\" $NetBSD: traceroute.8,v 1.6 1995/10/12 03:05:50 mycroft Exp $ .\" .\" Copyright (c) 1990, 1991, 1993 @@ -33,7 +33,7 @@ .\" .\" @(#)traceroute.8 8.1 (Berkeley) 6/6/93 .\" -.Dd $Mdocdate: September 14 2015 $ +.Dd $Mdocdate: October 20 2016 $ .Dt TRACEROUTE 8 .Os .Sh NAME @@ -72,23 +72,17 @@ network hardware, connected together by gateways. Tracking the route packets follow (or finding the miscreant gateway that's discarding packets) can be difficult. .Nm -utilizes the IPv4 protocol time to live (TTL) field -and attempts to elicit an ICMP -.Dv TIME_EXCEEDED -response from each gateway along the path to some -host. +and .Nm traceroute6 -does the same for the IPv6 protocol, -instead using hop limits and ICMPv6 +attempt to elicit .Dv TIME_EXCEEDED -responses. -.Pp -The only mandatory parameter is the destination host name or IP number. -The default probe datagram length is 40 bytes for IPv4 UDP and 60 -bytes for ICMP, IPv6 UDP and ICMP6. -This may be increased by -.Ar datalen -bytes. +responses from each gateway along the path to +.Ar host , +in order to determine their route. +.Nm +is used for IPv4 networks and +.Nm traceroute6 +for IPv6. .Pp The options are as follows: .Bl -tag -width Ds @@ -223,6 +217,13 @@ Set the time (in seconds) to wait for a response to a probe (default 5). .It Fl x Print the ICMP extended headers if available. This option is not available for IPv6. +.It Ar host +The destination host, +specified as a host name or numeric IP address. +.It Ar datalen +The probe datagram length. +The default is 40 bytes for IPv4 UDP +and 60 bytes for ICMP, IPv6 UDP and ICMP6. .El .Pp This program attempts to trace the route an IP packet would follow to some |