Administrator Guide
ClearPass Deployment Guide Rev. 02 | June 2016
802.1X Wired Authentication Traffic Flow 129
Troubleshooting 802.1X Configuration Issues 129
Active Directory Authentication Source Configuration Issues 129
Mobility Controller Configuration Issues 129
Deploying W-ClearPass Clusters 131
W-ClearPass Cluster Overview 131
Introduction 131
W-ClearPass Databases 132
Publisher/Subscriber Model 132
Network Ports That Must Be Enabled 134
Cluster Scaling Limitations 135
Cluster Design Considerations 135
Cluster Deployment Sizing Guidance 135
Publisher Node Guidelines 136
Subscriber Node Guidelines 137
Providing Sufficient Bandwidth Between Publisher and Subscribers 138
RTT Considerations When Building Geographically Distributed Clusters 138
Implementing W-ClearPass Zones for Geographical Regions 139
About Large Scale Deployments 141
What Is a Large Scale Deployment? 141
Design Guidelines 141
Examples of Customer Cluster Deployments 142
Deploying the Standby Publisher 144
Setting Up the Standby Publisher 144
About the Fail-Over Process 145
Mitigation Strategies 145
Virtual IPAddress Considerations 146
Functions Lost When the Publisher Is Down 146
Adding a Subscriber Node to the Publisher 146