NCS-Core Exam Dumps : Nutanix Certified Services Core Infrastructure Professional (NCS-Core 6.8)

Ref: o-metro-availability-witness-c.html

To satisfy the customer's requirements for maximum uptime and throughput in an AHV cluster deployment with link aggregation at the Top-of-Rack (TOR) switches, the consultant should:

• Bonded 2 x 40GbE Adapters with LACP Enabled for Storage Traffic and Guest Traffic using balance-tcp: This configuration leverages Link Aggregation Control Protocol (LACP) to combine the bandwidth of the two 40GbE adapters, enhancing both redundancy and throughput. The balance-tcp mode ensures effective load balancing of traffic based on TCP session ensuring optimal use of available bandwidth and improved fault tolerance.

References:

• Nutanix Bible (https://www.nutanixbible.com), particularly the sections discussing network configurations and LACP.
• Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), which covers advanced network settings for performance optimization.

Given the reported RX errors on eth2 and the intermittent ping loss as observed from the CVM logs, the best initial troubleshooting step that avoids VM disruption is to inspect the switch port for errors. Option C, "Check the port on the switch side for any errors," is the most direct and non-invasive approach to determining if the issue lies with the network infrastructure rather than the server hardware itself or the configuration.

This action helps identify whether the problem is related to the physical connection (e.g., port issues, switch configuration errors) without altering the current active network setup on the Nutanix node. If errors are found on the switch port, adjustments or repairs can be made accordingly, potentially resolving the RX errors without impacting the running VMs.

References:This recommendation follows Nutanix's best practices for network troubleshooting, focusing first on external network components before altering host configurations.