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map-mbone(8) System Manager's Manual 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] FLAGS Sets the debug level. When the debug level is greater than 0 (the de- fault), additional debugging messages are printed. Regardless of the debug level, if an error occurs, map-mbone writes an error message and terminates. Nonzero debug levels have the following effects: Prints packet warnings to stderr. Prints all level 1 messages and notifica- tions of down networks to stderr. Prints all level 2 messages and no- tifications of all packet timeouts to stderr. Specifies the flooding option. Flooding allows the recursive search of neighboring multicast routers, and is enabled by default when starting_router is not used. Specifies graphing in GraphEd format. Disables the Domain Name Service (DNS) lookup for names of multicast routers. Specifies the number of times to retry a neighbor query. The default is 1 retry. Specifies the number of seconds to wait for a neighbor to reply to a query before retrying. The default timeout is 2 seconds. DESCRIPTION The map-mbone program displays information about all multicast routers that are reachable from the multicast starting_router. If not speci- fied on the command line, the default multicast starting_router is the local host. The map-mbone program traverses neighboring multicast routers by send- ing the ASK_NEIGHBORS IGMP message to the multicast starting_router. If this multicast router responds, the response includes the version number and a list of addresses of neighboring multicast routers. If the responding router has a recent multicast version number, map-mbone requests additional information such as metrics, thresholds, and flags from the multicast router. If the flooding option (-f) is specified, map-mbone asks each new neighboring multicast router for a list of neighbors. This search for unique routers continues until no new neighboring multicast routers are reported. RESTRICTIONS You must be superuser in order to run map-mbone. RELATED INFORMATION Commands: mrinfo(8), mrouted(8), mtrace(8) Networking: mbone.info(7). delim off map-mbone(8)