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Question 284 - NCS-Core discussion

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For a new AHV cluster installation, a customer has 20 NX-8155 nodes with quad port NICs. The customer wants to meet the following guidelines:

Take advantage of all available 10G links

Achieve maximum throughput per VM

Use of redundant ToR switches

Fastest reconvergence during link failure

How should the load balancing be configured on the host?

A.
In Prism Element, update the virtual switch uplink configuration to Active-Active with MAC pinning.
Answers
A.
In Prism Element, update the virtual switch uplink configuration to Active-Active with MAC pinning.
B.
In Prism Element, update the virtual switch uplink configuration to Active-Active.
Answers
B.
In Prism Element, update the virtual switch uplink configuration to Active-Active.
C.
Use CLI to add the interfaces to bridge bro on all hosts.
Answers
C.
Use CLI to add the interfaces to bridge bro on all hosts.
D.
Use CLI to configure Balance-TCP on bridge bro.
Answers
D.
Use CLI to configure Balance-TCP on bridge bro.
Suggested answer: D

Explanation:

For a configuration that aims to utilize all available 10G links, achieve maximum throughput per VM, and ensure redundancy with fast reconvergence during link failure, the optimal setting would be to configure Balance-TCP on bridge br0. This setting distributes the load across all available network paths based on the TCP session, maximizing the utilization of network interfaces and ensuring redundancy. This approach is particularly effective in environments with multiple network paths and ensures efficient network traffic management.

Reference:

Nutanix University - NCS-Core 6.8 Learning Path

The Nutanix Bible, Network Configuration chapter (https://www.nutanixbible.com/)

asked 23/09/2024
Mohamed Abdul Haq Mohamed Akram
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