Exam 300-620 topic 1 question 82 discussion

Actual exam question from Cisco's 300-620

Question #: 82
Topic #: 1

The existing network and ACI fabric have been connected to support workload migration. Servers will physically terminate at the Cisco ACI, but their gateway must stay in the existing network. The solution needs to adhere to Cisco’s best practices. The engineer started configuring the relevant Bridge Domain and needs to complete the configuration. Which group of settings are required to meet these requirements?

A. L2 Unknown Unicast: Hardware Proxy
L3 Unknown Multicast Flooding: Flood
Multi Destination Flooding: Flood in BD

ARP Flooding: Enable -
B. L2 Unknown Unicast: Flood -
L3 Unknown Multicast Flooding: Flood
Multi Destination Flooding: Flood in BD

ARP Flooding: Enable -
C. L2 Unknown Unicast: Flood -
L3 Unknown Multicast Flooding: Optimize Flood
Multi Destination Flooding: Flood in BD

ARP Flooding: Disable -
D. L2 Unknown Unicast: Hardware Proxy
L3 Unknown Multicast Flooding: Optimize Flood
Multi Destination Flooding: Flood in BD
ARP Flooding: Disable

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Suggested Answer: B 🗳️

by Marinheiro at May 10, 2024, 12:39 p.m.

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Marinheiro

7 months, 2 weeks ago

Selected Answer: B

To enable this behavior, you must configure specific properties on the bridge domain defined in the Cisco ACI fabric and associated to the legacy VLAN 10 (shown in the following diagram). The default settings for a bridge domain have ARP Flooding disabled and Unicast Routing enabled. For Layer 2 communication to work, you must adjust these settings from the defaults. https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/migration_guides/migrating_existing_networks_to_aci.html

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