Question: 11
You have established an MSDP peering between multicast domains for your AS and a neighboring AS. You are concerned about unnecessary flooding or looping of source active messages between MSDP peers. Which MSDP mechanism is used to prevent this problem?
A. The receiving MSDP peer performs a multicast RPF check to ensure that the SA messages are forwarded away from only the originating multicast source.
B. The receiving MSDP peer sends register-stop messages towards the originating RP that forwarded the SA messages.
C. The receiving MSDP peer performs amulticast peer-RPF check to ensure that the SA messages are forwarded away from only the originating RP.
D. The receiving MSDP peer sends prune messages to all upstream neighbors to avoid receiving additional SA messages.
Correct Answer: C
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