
Configuring IGMP Relay
303527-A Rev. 00
9-17
Figure 9-5. IGMP-R Routing Protocols
Figure 9-5 shows how a Bay Networks MOSPF AS boundary router receives RIP
and IGMP advertisements from IGMP-R and injects them into the OSPF domain.
The following events occur:
1. The MOSPF boundary router receives a RIP advertisement from IGMP-R and
injects it into the MOSPF domain as an AS external route.
2. The MOSPF boundary router receives IGMP host membership responses
from IGMP-R and floods group membership LSAs to other MOSPF routers in
the domain.
Key
IP0068A
IGMP advertisement
RIP advertisement
ASE advertisement
Host advertisement
IGMPIGMP
MOSPF
IGMP
MOSPF
IGMP
RIP
IGMP
MOSPF
IGMP
RIP
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