Cisco SD-Access Solution Design Guide (CVD)

2020 Cisco and/or its affiliates. All rights reserved. Page 1 of 112 Software-Defined access Solution Design Guide June 2020 Solution Design Guide Cisco Public 2020 Cisco and/or its affiliates. All rights reserved. Page 2 of 112 Contents Document Organization 3 Icons Used in this Document 3 Cisco Digital Network Architecture and Software-Defined access 3 SD-Access Solution Components 6 SD-Access Operational Planes 9 SD-Access Architecture Network Components 11 SD-Access Fabric Roles and Terminology 17 SD-Access Design Considerations 27 SD-Access Site Reference Models 83 Migration to SD-Access 95 Appendices 99 Feedback 112 2020 Cisco and/or its affiliates. All rights reserved. Page 3 of 112 Document Organization This document is organized into the following chapters: Chapter Description Cisco Digital Network Architecture Introduction and Campus Network Evolution SD-Access Solution Components Key Components of the SD-Access Solution SD-Access Operational Planes Control Plane, Data Plane, Policy Plane, and Management Plane Technologies SD-Access Architecture Network Components Fabrics, Underlay Networks, Overlay Networks, and Shared Services SD-Access Fabric Roles and Terminology Control Plane Node, Border Node, Edge Node, and other Fabric elements SD-Access Design Considerations LAN Design Principles, Layer 3 Routed access , Role Considerations, and Feature Considerations SD-Access Site Reference Models Site Size Reference Models a

per port, offered with Cisco Universal Power Over Ethernet (UPOE), and the access layer should also provide PoE perpetual power during switch upgrade and reboot events. As power demands continue to increase with new endpoints, IEEE 802.3bt and Cisco UPOE-Plus (UPOE+) can provide power up to 90W per port. Integrated Services and Security

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