A transport zone is used to define the scope of a VXLAN overlay network and can span one or more clusters within one vCenter Server domain. One or more transport zones can be configured in an NSX for vSphere solution. A transport zone is not meant to delineate a security boundary.

Table 1. Transport Zones Design Decisions

Decision ID

Design Decision

Design Justification

Design Implications


Use a single global transport zone.

A single transport zone localizes networks and security policies within a ROBO.