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Routing & Switching · Advanced

Cisco SD-Access (SDA)

Cisco's campus fabric using a LISP control plane, VXLAN data plane and TrustSec group policy, managed by Catalyst Center.

Definition

Fabric roles are control plane node (LISP map server/resolver), border node, edge node and fabric wireless controller. Macro-segmentation uses virtual networks (VRFs) and micro-segmentation uses scalable group tags from Cisco ISE. The underlay is typically IS-IS deployed by LAN automation.

Example

A user authenticates via ISE, gets SGT 10 and VN EMPLOYEE at the fabric edge.

Exam tip

SDA = LISP (control) + VXLAN (data) + SGT (policy); a classic three-part question.

Related terms