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Configuring Multiprotocol BGP Extensions for IP Multicast
Multiprotocol BGP Configuration Task List
IPC-355
Cisco IOS IP Configuration Guide
subject it to route map conditions. If you supply a route map, you can specify various match criteria
options for the multiprotocol BGP routes. If the route passes the route map, then the route is redistributed
into DVMRP.
If there are multicast sources in other routing domains that are known via multiprotocol BGP and there
are receivers in a DVMRP cloud, they will want to receive packets from those sources. Therefore, you
need to redistribute the multiprotocol BGP prefix routes into DVMRP. This will be the scenario when
distributing multiprotocol BGP prefixes into the MBONE.
To redistribute multiprotocol BGP routes into DVMRP, use the following command in interface
configuration mode:
Redistributing DVMRP Routes into Multiprotocol BGP
If there are multicast sources in a DVMRP routing domain that need to reach receivers in multiprotocol
BGP routing domains, you need to redistribute DVMRP prefixes into multiprotocol BGP. If you supply
a route map, you can also use the set route-map configuration commands to specify various BGP
attribute settings.
To redistribute DVMRP prefixes into multiprotocol BGP, use the following command in address family
configuration mode:
To redistribute DVMRP prefixes into multiprotocol BGP, use the following command in router
configuration mode:
See the “Multiprotocol BGP Route Redistribute Examples” section for an example of redistributing
DVMRP routers into a multiprotocol BGP routing domain.
Command Purpose
Router(config-if)# ip dvmrp metric metric [route-map
map-name] mbgp
Redistributes multiprotocol BGP routes into DVMRP with a
specified metric. An optional route map controls which routes
are redistributed; otherwise, all multiprotocol BGP routes are
redistributed.
Command Purpose
Router(config-router-af)# redistribute dvmrp
[route-map map-name]
Redistributes DVMRP routes into multiprotocol BGP.
Command Purpose
Router(config-router)# redistribute dvmrp [route-map
map-name]
Redistributes DVMRP routes into multiprotocol BGP.