Explain that traceroute compresses * * * lines at the end of the

output when we never reach the destination.
Prompted by & input jmc

diff --git a/usr.sbin/traceroute/traceroute.8 b/usr.sbin/traceroute/traceroute.8
index d3f5afa..abfa8f0 100644 (file)
--- a/usr.sbin/traceroute/traceroute.8
+++ b/usr.sbin/traceroute/traceroute.8
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: traceroute.8,v 1.72 2021/09/03 09:13:00 florian Exp $
+.\"    $OpenBSD: traceroute.8,v 1.73 2021/09/15 15:25:56 florian 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 3 2021 $
+.Dd $Mdocdate: September 15 2021 $
 .Dt TRACEROUTE 8
 .Os
 .Sh NAME
@@ -230,6 +230,10 @@ interval (which can be changed using the
 .Fl w
 option), a "*" is printed for that
 probe.
+If the host cannot be reached,
+.Nm
+skips printing lines consisting only of * until the maximum TTL/hop limit is
+reached.
 .Pp
 We don't want the destination
 host to process the UDP