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Exam 300-620 topic 1 question 107 discussion

Actual exam question from Cisco's 300-620
Question #: 107
Topic #: 1
[All 300-620 Questions]

When does the Cisco ACI leaf learn a source IP or MAC as a remote endpoint?

  • A. When VXLAN traffic arrives on a leaf fabric port from the spine and outer source IP is in the Layer 3 Out EPG subnet range.
  • B. When VXLAN traffic arrives on a leaf fabric port from the spine and outer source IP is in the bridge domain subnets range.
  • C. When VXLAN traffic arrives on a leaf fabric port from the spine and inner source IP is in the Layer 3 Out EPG subnet range.
  • D. When VXLAN traffic arrives on a leaf fabric port from the spine and inner source IP is in the bridge domain subnets range.
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Suggested Answer: D 🗳️
by frzzt at March 13, 2023, 7:40 a.m.

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designated
7 months, 1 week ago
Selected Answer: B
Hardware-Proxy behavior Leaf local > Spine (COOP) > Leaf Remote
upvoted 1 times
designated
7 months, 1 week ago
D is correct!!!
upvoted 1 times
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benguela
1 year ago
B Remote endpoint learning Cisco ACI learns a MAC or IP address as a remote endpoint when a packet comes into a Cisco ACI leaf switch from another leaf switch through a spine switch. When a packet is sent from one leaf to another leaf, Cisco ACI encapsulates the original packet with an outer header representing the source and destination leaf Tunnel Endpoint (TEP) and the Virtual Extensible LAN (VXLAN) header, which contains the bridge domain or VRF information of the original packet.
upvoted 2 times
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zelya19
1 year, 3 months ago
Selected Answer: D
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-739989.html#Remoteendpointlearning
upvoted 1 times
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sailorsoul
1 year, 5 months ago
Selected Answer: B
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-739989.html When a packet is sent from one leaf to another leaf, Cisco ACI encapsulates the original packet with an outer header representing the source and destination leaf Tunnel Endpoint (TEP) and the Virtual Extensible LAN (VXLAN) header, which contains the bridge domain or VRF information of the original packet. It is still B. The bridge domain information is contained on the outer IP header.
upvoted 1 times
sailorsoul
1 year, 5 months ago
A Cisco ACI leaf switch follows these steps to learn a remote endpoint MAC or IP address: 1. The Cisco ACI leaf receives a packet with source MAC A and source IP A from a spine switch. 2. The Cisco ACI leaf learns MAC A as a remote endpoint if VXLAN contains bridge domain information. 3. The Cisco ACI leaf learns IP A as a remote endpoint if VXLAN contains VRF information.
upvoted 2 times
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asd248402
2 years ago
Selected Answer: D
Inner IP
upvoted 3 times
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Rododendron2
2 years, 1 month ago
Selected Answer: D
Need inner source IP - D
upvoted 3 times
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frzzt
2 years, 3 months ago
Selected Answer: D
It is D. Inner source is BD subnet. Outer address is VXLAN TEP.
upvoted 4 times
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C (25%)
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