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Question 167 - NCS-Core discussion

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A customer has a G6 AHV cluster with 4x10GbE NICs on each node and the following configuration:

* Networking is set to default

* Only two NICs are connected

The customer receives the following critical message:

The NIC is disconnected from the switch, or the switchport is failing.

What should the consultant verify to resolve the issue?

A.
The NICs are configured for active-backup.
Answers
A.
The NICs are configured for active-backup.
B.
The VLANs are configured correctly on the switch or tagged on the cluster.
Answers
B.
The VLANs are configured correctly on the switch or tagged on the cluster.
C.
The other two 10GbE connections are removed from the default bond.
Answers
C.
The other two 10GbE connections are removed from the default bond.
D.
The NICs are connected for balance-slb.
Answers
D.
The NICs are connected for balance-slb.
Suggested answer: A

Explanation:

Given the critical message about the NIC being disconnected or the switchport failing, the consultant should first verify the bonding mode of the NICs, especially since only two out of four 10GbE NICs are connected. In an AHV cluster, the NICs can be configured in different bonding modes such as active-active or active-backup. Ensuring that the NICs are configured for active-backup can provide redundancy by allowing one NIC to take over if the other fails, which seems to be necessary given the critical error indicating a possible disconnection or switchport failure.

Reference: Nutanix Bible (https://www.nutanixbible.com/), Nutanix University (https://university.nutanix.com/)

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asked 23/09/2024
Dustin Roberts
45 questions
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