What is accomplished when you install a bounce entry in a leaf?

The correct answer is D. Redirect traffic to new VTEP destination. Under a normal migration, when a VM moves due to vMotion onto a leaf that does not have those EPGs and VLANs programmed, the will be deployed immediately. vCenter/ESXI host will send a GARP to ACI, the old leaf will bounce traffic to the new location of the endpoint and…

Cisco ACI Concepts and Architecture Overview

Question

Options

AEliminate loops
BForward GARP packets
CRedirect traffic to old VTEP destination
DRedirect traffic to new VTEP destination

How the community answered

(24 responses)

A
4% (1)
B
4% (1)
C
13% (3)
D
79% (19)

Explanation

Under a normal migration, when a VM moves due to vMotion onto a leaf that does not have those EPGs and VLANs programmed, the will be deployed immediately. vCenter/ESXI host will send a GARP to ACI, the old leaf will bounce traffic to the new location of the endpoint and traffic/learning will occur. The bounce entry will stick around for a bit (about 5 minutes) and then be removed. The EPGs, VLANs, and Default Gateway will be deployed as soon as the move is detected and there will be little to no downtime (i usually see 0-1 ping loss, most of the time just increased latency) https://supportforums.cisco.com/discussion/12394516/importance-your-management-network-

Topics

#bounce entry#VTEP#endpoint mobility#traffic redirection

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