[Midnightbsd-cvs] src [6672] trunk/sbin/ping6/ping6.8: document rfc4620

[laffer1 at midnightbsd.org]

Revision: 6672
          http://svnweb.midnightbsd.org/src/?rev=6672
Author:   laffer1
Date:     2014-06-15 12:41:35 -0400 (Sun, 15 Jun 2014)
Log Message:
-----------
document rfc4620

Modified Paths:
--------------
    trunk/sbin/ping6/ping6.8

Modified: trunk/sbin/ping6/ping6.8
===================================================================
--- trunk/sbin/ping6/ping6.8	2014-06-15 16:40:55 UTC (rev 6671)
+++ trunk/sbin/ping6/ping6.8	2014-06-15 16:41:35 UTC (rev 6672)
@@ -29,7 +29,7 @@
 .\"
 .\" $MidnightBSD$
 .\"
-.Dd April 20, 2010
+.Dd May 5, 2013
 .Dt PING6 8
 .Os
 .Sh NAME
@@ -215,8 +215,8 @@
 Numeric output only.
 No attempt will be made to lookup symbolic names from addresses in the reply.
 .It Fl N
-Probe node information multicast group
-.Pq Li ff02::2:xxxx:xxxx .
+Probe node information multicast group address
+.Pq Li ff02::2:ffxx:xxxx .
 .Ar host
 must be string hostname of the target
 (must not be a numeric IPv6 address).
@@ -227,6 +227,15 @@
 outgoing interface needs to be specified by
 .Fl I
 option.
+.Pp
+When specified twice, the address
+.Pq Li ff02::2:xxxx:xxxx
+is used instead.
+The former is in RFC 4620, the latter is in an old Internet Draft
+draft-ietf-ipngwg-icmp-name-lookup.
+Note that KAME-derived implementations including
+.Fx 
+use the latter.
 .It Fl o
 Exit successfully after receiving one reply packet.
 .It Fl p Ar pattern