VCP-VCF Administrator 2024 Question 337
Single answerA VMware Cloud Foundation administrator is troubleshooting a network connectivity issue where several virtual machines connected to a port group on a vSphere Distributed Switch (vDS) are unable to communicate with external devices. Upon investigation, the administrator notices that the physical uplinks appear healthy. Which step should the administrator take to resolve the issue?
- A
Verify that the VLAN ID configured on the port group matches the VLAN ID configured on the physical switch.
- B
Check if the MTU settings on the vSphere Distributed Switch match the MTU settings on the physical switch.
- C
Ensure that the Teaming and Failover policy on the port group is set to 'Route based on originating virtual port'.
- D
Recreate the port group on the vSphere Distributed Switch to reset its configuration.
Show answer and explanation
Correct answer: A
Explanation
When troubleshooting network connectivity issues on a vSphere Distributed Switch, it is crucial to verify the VLAN configuration. VLAN mismatches between the port group on the vDS and the physical switch are a common cause of connectivity problems. Ensuring the VLAN ID matches on both sides is a precise and effective step in resolving such issues.
- A. Correct.
Mismatched VLAN IDs between the port group and the physical switch can prevent proper communication between the virtual machines and external devices. Ensuring that the VLAN configuration matches is a critical troubleshooting step.
- B. Incorrect.
While MTU mismatches can cause issues, they are less likely to completely block connectivity. This option does not directly address the described issue.
- C. Incorrect.
The Teaming and Failover policy is important for load balancing and redundancy but does not directly relate to resolving VLAN mismatches, which are the likely cause of the problem.
- D. Incorrect.
Recreating the port group may reset its configuration, but it is not a targeted troubleshooting step. The issue is likely related to a VLAN mismatch, which should be verified and corrected first.