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MAP-MBONE(8)							  MAP-MBONE(8)

NAME
       map-mbone - Multicast connection	mapper

SYNOPSIS
       /usr/sbin/map-mbone  [  -d  debug_level	]  [  -f  ] [ -g ] [ -n	] [ -r
       retry_count ] [ -t timeout_count	] [ starting_router ]

DESCRIPTION
       map-mbone attempts to display all multicast routers that	are  reachable
       from  the  multicast  starting_router.  If not specified	on the command
       line, the default multicast starting_router is the localhost.

       map-mbone  traverses  neighboring  multicast  routers  by  sending  the
       ASK_NEIGHBORS  IGMP  message  to	the multicast starting_router. If this
       multicast router	responds, the version  number  and  a  list  of	 their
       neighboring multicast router addresses is part of that response.	If the
       responding router has recent multicast version number,  then  map-mbone
       requests	 additional information	such as	metrics, thresholds, and flags
       from the	multicast router. For each new occurrence of neighboring  mul-
       ticast  router  in  the reply and provided the flooding option has been
       selected, then map-mbone	asks each of this multicast router for a  list
       of neighbors. This search for unique routers will continue until	no new
       neighboring multicast routers are reported.

INVOCATION
       "-d" option sets	the debug level. When the debug	level is greater  than
       the  default  value  of	0,  addition  debugging	 messages are printed.
       Regardless of the debug level, an error condition, will always write an
       error  message  and  will cause map-mbone to terminate.	Non-zero debug
       levels have the following effects:

       level 1
	      packet warnings are printed to stderr.

       level 2
	      all level	 1  messages  plus  notifications  down	 networks  are
	      printed to stderr.

       level 3
	      all  level  2 messages plus notifications	of all packet timeouts
	      are printed to stderr.

       "-f" option sets	flooding option. Flooding allows the recursive	search
       of  neighboring	multicast routers and is enable	by default when	start-
       ing_router is not used.

       "-g" option sets	graphing in GraphEd format.

       "-n" option disables the	DNS lookup for the multicast  routers names.

       "-r retry_count"	sets the neighbor query	 retry	limit.	Default	 is  1
       retry.

       "-t  timeout_count"  sets  the number of	seconds	to wait	for a neighbor
       query reply before retrying. Default timeout is 2 seconds.

IMPORTANT NOTE
       map-mbone must be run as	root.

SEE ALSO
       mrouted(8), mrinfo(8), mtrace(8)

AUTHOR
       Pavel Curtis

4.2 Berkeley Distribution					  MAP-MBONE(8)

NAME | SYNOPSIS | DESCRIPTION | INVOCATION | IMPORTANT NOTE | SEE ALSO | AUTHOR

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