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Question 58 - NCP-MCI-6.5 discussion

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An administrator is tasked with configuring networking on an AHV cluster and needs to optimize for maximum single VM throughput.

Which bond mode should the administrator select?

A.
Active-Active with Mac pinning
Answers
A.
Active-Active with Mac pinning
B.
Active-Active
Answers
B.
Active-Active
C.
Active-Backup
Answers
C.
Active-Backup
D.
No Uplink Bond
Answers
D.
No Uplink Bond
Suggested answer: B

Explanation:

Active-Active is a bond mode that allows all uplinks in the bond to be used simultaneously for traffic transmission and reception. This bond mode provides load balancing and increased bandwidth for the AHV host and its VMs. Active-Active bond mode uses a hashing algorithm based on source MAC addresses to distribute traffic across different uplinks in the bond. Each individual VM NIC uses only a single bond member interface at a time, but multiple VM NICs are spread across different bond member interfaces.As a result, it is possible for a Nutanix AHV node with two 10 Gb interfaces to use up to 20 Gbps of network throughput, while individual VMs have a maximum throughput of 10 Gbps6.

Therefore, if an administrator needs to optimize for maximum single VM throughput, they should select Active-Active bond mode for their AHV cluster.This bond mode can be configured using Prism Element UI or manage-ovs commands on each AHV host7.No additional configuration is required on the upstream switch side, as long as the switches are interconnected physically or virtually and both uplinks trunk the same VLANs8.

asked 23/09/2024
Naing Thet
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