The software defined access fabric requires multiple roles and components to operate. Each software defined access enabled device must be configured with at least one of these roles.
The five basic roles in a fabric overlay are:
Control Plane Node
The control plane node contains the settings, protocols and mapping tables to provide the EID-to-RLOC mapping system for the fabric overlay
Fabric Border Node
The fabric device connects external Layer 3 networks into the software defined access fabric
Fabric Edge Node
The fabric edge node connects wired endpoints into the software defined access fabric
Fabric WLAN Controller
The fabric WLAN controller connects access points and endpoint wireless devices into the software defined access fabric
Intermediate Node
Intermediate nodes are routers or switches that don’t provide a specific software defined access role but do help with the underlay service
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