Cisco CCNP Data Center 300-620 Question # 54 Topic 6 Discussion
300-620 Exam Topic 6 Question 54 Discussion:
Question #: 54
Topic #: 6
A company must connect three Cisco ACI data centers by using Cisco ACI Multi-Site. An engineer must configure the Inter-Site Network (ISN) between the existing sites. Which two configuration steps must be taken to implement the ISN? (Choose two.)
A.
Configure OSPF on subinterfaces on routers that are directly connected with spine nodes.
B.
Configure ISN site extension on Cisco routers in the network.
C.
Configure OSPF on all ISN routers.
D.
Configure BIDIR-PIM on all ISN routers.
E.
Configure encapsulation VLAN-4 between the routers and spine nodes.
To implement the Inter-Site Network (ISN) for a Cisco ACI Multi-Site deployment, the following configuration steps are essential:
Configure OSPF on all ISN routers: OSPF (Open Shortest Path First) is a routing protocol that is used to ensure that all routers in the ISN have the necessary routing information to forward packets between sites.
Configure BIDIR-PIM on all ISN routers: BIDIR-PIM (Bidirectional Protocol Independent Multicast) is used for efficient multicast traffic forwarding across the ISN. This is particularly important for Cisco ACI Multi-Site deployments as it supports the replication of broadcast, unknown unicast, and multicast (BUM) traffic across sites.
References :=
Cisco ACI Multi-Site Configuration Guide
Cisco ACI Multi-Site Architecture White Paper
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