Draytek VigorAP 903 User Manual page 74

Mesh Root indicates that VigorAP would be other AP's uplink connection. As a Mesh Root, VigorAP must
connect to a gateway with Ethernet cable first to have an internet connection.
As a Mesh Node, VigorAP can connect to the mesh root or mesh node within the same mesh group via
wireless network or physical connection with an Ethernet cable.
The following figure shows how VigorAP runs as MESH ROOT:
The following figure shows how VigorAP runs as MESH NODE:
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