
Configuring IP Multicasting and Multimedia Services
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Unicast Routing Protocols on the IGMP Relay Device
An IGMP Relay device does not run any multicast routing protocols.
You can configure a unicast routing protocol -- RIP or OSPF -- on the IGMP
Relay device and add it to the upstream IP interface to the multicast router. The
unicast protocol advertises the networks attached locally to the IGMP Relay
device.
You can configure the IGMP Relay device with no routing protocols. In this case,
you must statically insert routes to the IGMP Relay device’s locally attached
networks.
Routing Protocols on the Multicast Router
The IGMP Relay device supports the following types of multicast router:
• MOSPF boundary router. For information, see “Configuring MOSPF for Use
with IGMP Relay” on page 9-18.
• DVMRP router. For information, see “Configuring a DVMRP Router for Use
with IGMP Relay” on page 9-20.
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