Nutanix Certified Professional - End User Computing (NCP-EUC) 6.10 Exam NCP-EUC Question # 36 Topic 4 Discussion
NCP-EUC Exam Topic 4 Question 36 Discussion:
Question #: 36
Topic #: 4
An administrator is attempting to enable Active-Active NIC load balancing on a cluster. The operation succeeds on the first node, but fails on the second.
What should the administrator confirm before retrying?
A.
Confirm that all nodes in the cluster have identical physical NICs installed.
B.
Ensure that the top-of-rack switch ports have LACP enabled.
C.
Configure the top-of-rack switch to use Balance-SLB.
D.
Ensure that all physical NICs in the cluster are operating at the same speed
When configuring Link Aggregation Groups (LAG) or Active-Active NIC bonding (such as balance-tcp with LACP) on Nutanix AHV, there is a strict requirement regarding link negotiation. All interfaces in a bond must run at the same speed.
If the second node has physical NICs that have negotiated different speeds (e.g., one link at 10 Gbps and another at 1 Gbps due to a cabling issue or switch misconfiguration), the bond creation command will fail for that specific node. While identical hardware (Option A) is preferred, it is the actual operating speed of the links that determines whether the OVS bond can successfully form.
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