Users Guide

Replacing a Controller on a Multi-Controller Network 138
Replacing Controllers in a Single Master Network 138
Replacing a Local Controller 138
Replacing a Master Controller with No Backup 139
Replacing a Redundant Master Controller 140
Replacing Controllers in a Multi-Master Network 140
Replacing a Local Controller in a Multi-Master Network 140
Replacing a Cluster Member Controller with no Backup 140
Replacing a Redundant Cluster Member Controller 141
Replacing a Cluster Root Controller with no Backup Controller 141
Replacing a Redundant Cluster Root Controller 142
Configuring Control Plane Security after Upgrading 142
Troubleshooting Control Plane Security 143
Identifying Certificate Problems 143
Verifying Certificates 144
Disabling Control Plane Security 144
Verifying Whitelist Synchronization 144
Rogue APs 145
Software Licenses 146
Understanding License Terminology 146
Working with Licenses 147
Centralized Licensing in a Multi-Controller Network 148
Primary and Backup Licensing Servers 149
Communication between the License Server and License Clients 149
Supported Topologies 151
Unsupported Topologies 152
Adding and Deleting Licenses 153
Replacing a Controller 153
Dell Networking W-Series ArubaOS 6.4.x | User Guide Contents | 7