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Cisco Wireless LAN Controller Configuration Guide
OL-9141-03
Chapter 1 Overview
Cisco Unified Wireless Network Solution Overview
Figure 1-2 shows a typical single-controller deployment.
Figure 1-2 Single-Controller Deployment
Multiple-Controller Deployments
Each controller can support lightweight access points across multiple floors and buildings
simultaneously. However, full functionality of the Cisco Wireless LAN Solution is realized when it
includes multiple controllers. A multiple-controller system has the following additional features:
• Autodetecting and autoconfiguring RF parameters as the controllers are added to the network.
• Same-Subnet (Layer 2) Roaming and Inter-Subnet (Layer 3) Roaming.
• Automatic access point failover to any redundant controller with a reduced access point load (refer
to the “Cisco Wireless LAN Controller Failover Protection” section on page 1-16).
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