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Exam 300-620 topic 1 question 256 discussion

Actual exam question from Cisco's 300-620
Question #: 256
Topic #: 1
[All 300-620 Questions]

How does Cisco ACI manage the old endpoint information on the original leaf switch after an endpoint moves between two Cisco ACI leaf switches?

  • A. A bounce entry is created by COOP communication instead of data plane learning.
  • B. A remote endpoint is created to represent the endpoint on another leaf.
  • C. Cisco APIC deletes an endpoint after receiving GARP packets from the new leaf.
  • D. The spine switch pushes all endpoint database entries to all leaf switches.
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Suggested Answer: A 🗳️
by zelya19 at March 6, 2024, 7:58 a.m.

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prospio971
2 months, 4 weeks ago
Selected Answer: A
Bounce entries are a temporary mechanism that ensures seamless forwarding during endpoint movement. They differ from remote endpoint entries because they do not rewrite the source VTEP (VXLAN Tunnel Endpoint) IP address when forwarding traffic, allowing for efficient redirection without additional overhead.
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zelya19
8 months ago
Selected Answer: A
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-739989.html#Endpointmovementandbounceentries
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