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authorAaron Campbell <aaron@cvs.openbsd.org>1999-03-01 06:20:01 +0000
committerAaron Campbell <aaron@cvs.openbsd.org>1999-03-01 06:20:01 +0000
commita77a300b0493552bdceff598f141c91679002dd7 (patch)
tree88de6f64c028a3e04d4c4ce49b70ba9b76788c2c
parent0e6b60ef4376074397e64d6124d2a5bf24afaf2d (diff)
insert a missing .Ar; d@
-rw-r--r--usr.sbin/traceroute/traceroute.817
1 files changed, 8 insertions, 9 deletions
diff --git a/usr.sbin/traceroute/traceroute.8 b/usr.sbin/traceroute/traceroute.8
index 5756d744b2c..2e4696e3e15 100644
--- a/usr.sbin/traceroute/traceroute.8
+++ b/usr.sbin/traceroute/traceroute.8
@@ -43,7 +43,7 @@
.Nm traceroute
.Nd print the route packets take to network host
.Sh SYNOPSIS
-.Nm traceroute
+.Nm
.Op Fl d
.Op Fl D
.Op Fl g Ar gateway_addr
@@ -66,7 +66,7 @@ The Internet is a large and complex aggregation of
network hardware, connected together by gateways.
Tracking the route one's packets follow (or finding the miscreant
gateway that's discarding your packets) can be difficult.
-.Nm Traceroute
+.Nm
utilizes the IP protocol `time to live' field and attempts to elicit an
.Tn ICMP
.Dv TIME_EXCEEDED
@@ -113,7 +113,7 @@ Set the base
.Tn UDP
.Ar port
number used in probes (default is 33434).
-.Nm Traceroute
+.Nm
hopes that nothing is listening on
.Tn UDP
ports
@@ -176,9 +176,8 @@ packets other than
and
.Dv UNREACHABLE Ns s
are listed.
-.It Fl w
-Set the time (in seconds) to wait for a response to a probe (default 3
-sec.).
+.It Fl w Ar waittime
+Set the time (in seconds) to wait for a response to a probe (default 3).
.El
.Pp
This program attempts to trace the route an IP packet would follow to some
@@ -318,7 +317,7 @@ aren't sent for
until we probe with a ttl that's at least twice the path
length. I.e., rip is really only 7 hops away. A reply that
returns with a ttl of 1 is a clue this problem exists.
-.Nm Traceroute
+.Nm
prints a "!" after the time if the ttl is <= 1.
Since vendors ship a lot of obsolete
.Pf ( Tn DEC Ns \'s
@@ -342,7 +341,7 @@ or
(source route failed or fragmentation needed \- neither of these should
ever occur and the associated gateway is busted if you see one). If
almost all the probes result in some kind of unreachable,
-.Nm traceroute
+.Nm
will give up and exit.
.Pp
.Bd -literal
@@ -361,7 +360,7 @@ This program is intended for use in network testing, measurement
and management.
It should be used primarily for manual fault isolation.
Because of the load it could impose on the network, it is unwise to use
-.Nm traceroute
+.Nm
during normal operations or from automated scripts.
.Sh AUTHOR
Implemented by Van Jacobson from a suggestion by Steve Deering. Debugged