What is the purpose of the Overlay Multicast TEP in a Cisco ACI Multi-Site deployment?
A.
to source and receive unicast VXLAN data plane traffic
B.
to establish MP-BGP EVPN adjacencies with the spine nodes in remote sites
C.
to encapsulate multicast traffic in a common multicast group
D.
to perform head-end replication for BUM traffic
The Answer Is:
D
This question includes an explanation.
Explanation:
The purpose of the Overlay Multicast TEP (O-MTEP) in a Cisco ACI Multi-Site deployment is to perform head-end replication for BUM (Broadcast, Unknown unicast, Multicast) traffic. This common anycast address is shared by all the spine nodes in the same site and is used to replicate BUM traffic across the sites4.
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