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-rw-r--r--usr.sbin/mrouted/map-mbone.813
1 files changed, 9 insertions, 4 deletions
diff --git a/usr.sbin/mrouted/map-mbone.8 b/usr.sbin/mrouted/map-mbone.8
index 526004279be0..a6e9e5841c27 100644
--- a/usr.sbin/mrouted/map-mbone.8
+++ b/usr.sbin/mrouted/map-mbone.8
@@ -16,14 +16,18 @@
.Op Fl t Ar timeout_count
.Op Ar starting_router
.Sh DESCRIPTION
-.Nm Map-mbone
+The
+.Nm
+utility
attempts to display all multicast routers that are reachable from the multicast
.Ar starting_router .
If not specified on the command line, the default multicast
.Ar starting_router
is the localhost.
.Pp
-.Nm Map-mbone
+The
+.Nm
+utility
traverses neighboring multicast routers by sending the ASK_NEIGHBORS IGMP
message to the multicast starting_router.
If this multicast router responds,
@@ -81,8 +85,9 @@ reply before retrying.
Default timeout is 2 seconds.
.El
.Sh IMPORTANT NOTE
-.Nm Map-mbone
-must be run as root.
+The
+.Nm
+utility must be run as root.
.Sh SEE ALSO
.Xr mrinfo 8 ,
.Xr mrouted 8 ,