Campus lan and Wireless lan solution Design Guide

Cisco SD-Access Wireless design model 
Cisco SD-Access Wireless is the fabric-enabled wireless solution that, unlike any alternative solution, fully 
integrates with a wired Cisco SD-Access model. The primary benefit of Cisco SD-Access Wireless is that 
organizations can have a common policy and unified experience across both wired and wireless. In this model, 
the fabric WLCs communicate wireless client information to the fabric control plane, and the fabric APs 
encapsulate traffic into the VXLAN data path. 
Note: 
SD-Access Wireless control plane traffic is passed to the WLC, while data plane traffic is passed 
directly into the fabric. The distributed data plane allows the solution to scale more easily, avoids hair-pinning 
of wireless traffic through the wireless controller, and retains the ability to easily stretch the Layer-2 domain. 

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Cisco SD-Access wireless design model 
Figure 30. 
Requirements for deploying Cisco SD-Access Wireless: 
● 
Cisco SD-Access wired fabric deployment 
● 
APs with fabric mode support directly connected to Cisco SD-Access fabric edge nodes 
● 
WLC with fabric mode control plane support 
● 
20ms or less latency between the fabric APs and the fabric WLC 
● 
Cisco SD-Access Wireless design model 
Cisco Catalyst 9800 Embedded on Catalyst 9100 Series APs (EWC) wireless design model 
The Cisco EWC is a Wi-Fi solution using a Cisco Catalyst 9800 Series Wireless Controller embedded into the 
Cisco Catalyst 9100 Series APs. The Cisco EWC is an alternative to Cisco FlexConnect deployments for small 
wireless deployments, since a separate on-premise controller does not need to be deployed. 

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