Some key issues must be considered when designing a wireless LAN environment. First, the controller redundancy design should be analyzed carefully. WLCs can be configured for dynamic redundancy or deterministic redundancy. With deterministic redundancy, the AP is configured with a primary controller, a secondary controller, and a tertiary controller. This requires much planning but it offers good predictability and faster failover times. Dynamic controller redundancy uses LWAPP to load balance APs across WLCs.
Another issue that must be analyzed in the design process involves radio channels management and radio groups. For example, the 802.11b and 802.11g standards offer . . .
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