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Exam 600-660 topic 1 question 9 discussion

Actual exam question from Cisco's 600-660
Question #: 9
Topic #: 1
[All 600-660 Questions]

DRAG DROP -
A leaf receives unicast traffic that is destined to an unknown source, and spine proxy is enabled in the corresponding bridge domain. Drag and drop the Cisco ACI forwarding operations from the left into the order the operation occurs on the right.
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by pepper_ at March 23, 2021, 1:45 p.m.

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EW321
3 years, 10 months ago
This should be the correct sequence 1. Source leaf forwards the packet to anycast TEP encapsulated with VXLAN header This is the behaviour of spine proxy. 2. Spine lookup occurs dMACi or dIPi Since packet is destined to Spine, spine decap the packet to check if the packet has L2VNI or L3VNI in the VXLAN header if L2VNI => forward the packet based on dMACi (inner dst MAC) if L3VNI => use dIPi (inner dst IP) 3. Packet is routed in VRF overlay-1 based on dIPo Spine then route the packet to the destination leaf based on the dIPo (outer destination IP) - this will be the VTEP of the destination leaf 4. Packet reaches destination leaf and is VXLAN decapsulated. 5. Packet is sent out of the Fabric Packet sent out of the fabric to the endpoint
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pepper_
4 years, 1 month ago
1) Source lead forwards to anycast TEP 2) Packet is routed in VRF overlay-1 3) Spine lookup occurs 4) Packet reaches destination leaf 5) Packet is sent out of fabric
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