Why WLC is required to configure when we can configure APs directly from switch with DHCP?
WLC is not only used for DHCP relay. It may used for configuration of differnt type of SSID in APs. Suppose you have two VLAN’s (one is for your Internal user and other one is for Guest user) . Both VLAN can be bridged with different SSID in AP. We can monitor the user traffic in WLC. In WLC, we will have lot of facility in terms of configuration, monitoring…