A customer wants to extend a VLAN subnet to a remote data center using VTEP. The administrator configures a Subnet Extension which shows UP in the Prism Interface, yet traffic fails to pass. Which setting is most likely misconfigured?
Options:
A.
Route Policy for VTEP has not been configured.
B.
VLAN ID does not match in the remote data center.
C.
Remote gateway IP address has not been configured.
What makes this a strong certification question is that several answers look technically related, but only one aligns with the exact behavior of Flow networking or Flow security. The correct response is B, meaning “VLAN ID does not match in the remote data center.”. The winning option is the one tied to the native Nutanix object or control that governs the outcome described in the scenario. Operationally, Flow Virtual Networking should be checked from the control plane outward: gateway health, peering state, route advertisement, ERP coverage, external path, and MTU when encapsulation is involved. A strong exam habit is to ask which Nutanix construct would have to change for the symptom or requirement to change. That mental shortcut usually separates the real answer from distractors that mention generic networking steps, disruptive resets, or unrelated configuration objects. Notice that A does not fit because it targets a different layer of the Nutanix networking and security stack than the one causing the outcome here. C does not fit because it targets a different layer of the Nutanix networking and security stack than the one causing the outcome here. For exam preparation, remember that Nutanix usually separates discovery.