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authorJason McIntyre <jmc@cvs.openbsd.org>2016-10-20 20:15:10 +0000
committerJason McIntyre <jmc@cvs.openbsd.org>2016-10-20 20:15:10 +0000
commit178843c59a7bf268085e1872123cfe4a41f73c86 (patch)
tree4fc7dcc1813b868b9dd7e0368e8b9e12a9d65d79 /usr.sbin/traceroute
parent2ce92eeeee9b6fd75060cca0332edc9cb5d8e6c1 (diff)
some macro fixes for the options list;
Diffstat (limited to 'usr.sbin/traceroute')
-rw-r--r--usr.sbin/traceroute/traceroute.861
1 files changed, 30 insertions, 31 deletions
diff --git a/usr.sbin/traceroute/traceroute.8 b/usr.sbin/traceroute/traceroute.8
index b1a370d05bc..f22ceb743e6 100644
--- a/usr.sbin/traceroute/traceroute.8
+++ b/usr.sbin/traceroute/traceroute.8
@@ -1,4 +1,4 @@
-.\" $OpenBSD: traceroute.8,v 1.64 2016/10/20 20:00:01 jmc Exp $
+.\" $OpenBSD: traceroute.8,v 1.65 2016/10/20 20:15:09 jmc Exp $
.\" $NetBSD: traceroute.8,v 1.6 1995/10/12 03:05:50 mycroft Exp $
.\"
.\" Copyright (c) 1990, 1991, 1993
@@ -104,7 +104,7 @@ Set the first TTL or hop limit used in outgoing probe packets.
The effect is that the first first_ttl \- 1 hosts will be skipped
in the output of
.Nm traceroute .
-The default value is 1 (skip no hosts).
+The default is 1 (skip no hosts).
.It Fl g Ar gateway_addr
Add
.Ar gateway_addr
@@ -120,10 +120,11 @@ This is useful for checking for asymmetric routing.
.It Fl m Ar max_ttl
Set the maximum TTL or hop limit.
The default is the value of the system's
-.Cm net.inet.ip.ttl
+.Va net.inet.ip.ttl
or
-.Cm net.inet6.ip6.hlim
-MIB variable, which defaults to 64.
+.Va net.inet6.ip6.hlim
+.Xr sysctl 8
+variable, which defaults to 64.
.It Fl n
Print hop addresses numerically rather than symbolically and numerically
(saves a nameserver address-to-name lookup for each gateway found on the
@@ -140,12 +141,13 @@ This option is not available for IPv6.
.It Fl p Ar port
Set the base UDP
.Ar port
-number used in probes (default is 33434).
+number used in probes.
+The default is 33434.
.Nm
hopes that nothing is listening on UDP ports
-.Em base
+.Ar base
to
-.Em base+nhops*nqueries-1
+.Ar base Ns + Ns Ar nhops Ns * Ns Ar nqueries Ns -1
at the destination host (so an ICMP
.Dv PORT_UNREACHABLE
message will
@@ -155,8 +157,8 @@ listening on a port in the default range, this option can be used
to pick an unused port range.
.It Fl q Ar nqueries
Set the number of probes per TTL to
-.Ar nqueries
-(default is three probes).
+.Ar nqueries .
+The default is three probes.
.It Fl S
Print how many probes were not answered for each hop.
.It Fl s Ar src_addr
@@ -170,21 +172,20 @@ If the IP address
is not one of this machine's interface addresses and the user is
not the superuser, an error is returned and nothing is sent.
.It Fl t Ar toskeyword
-Set the
-.Em type-of-service
-in probe packets to the following value (default zero).
+Set the type-of-service (TOS) in probe packets.
The value may be one of
-.Ar critical ,
-.Ar inetcontrol ,
-.Ar lowdelay ,
-.Ar netcontrol ,
-.Ar throughput ,
-.Ar reliability ,
+.Cm critical ,
+.Cm inetcontrol ,
+.Cm lowdelay ,
+.Cm netcontrol ,
+.Cm throughput ,
+.Cm reliability ,
or one of the DiffServ Code Points:
-.Ar ef ,
-.Ar af11 ... af43 ,
-.Ar cs0 ... cs7 ;
+.Cm ef ,
+.Cm af11 ... af43 ,
+.Cm cs0 ... cs7 ;
or a number in either hex or decimal.
+The default is zero.
This option can be used to
see if different types-of-service result in different paths.
If this option is used, changes to the type-of-service in the
@@ -192,16 +193,13 @@ returned packets are displayed.
(If you are not running a
.Bx 4.3 tahoe
or later system, this may be academic since the normal network
-services like telnet and ftp don't let you control the
-.Dv TOS ) .
-Not all values of
-.Dv TOS
-are legal or
-meaningful \- see the IP spec for definitions.
+services like telnet and ftp don't let you control the TOS).
+Not all values of TOS are legal or meaningful \-
+see the IP spec for definitions.
Useful values are probably
-.Ar lowdelay
+.Cm lowdelay
and
-.Ar throughput .
+.Cm throughput .
This option is not available for IPv6.
.It Fl V Ar rtable
Set the routing table to be used.
@@ -213,7 +211,8 @@ and
.Dv UNREACHABLE Ns s
are listed.
.It Fl w Ar waittime
-Set the time (in seconds) to wait for a response to a probe (default 5).
+Set the time, in seconds, to wait for a response to a probe.
+The default is 5.
.It Fl x
Print the ICMP extended headers if available.
This option is not available for IPv6.