A wireless administrator must create a new web authentication corporate SSID that will be using ISE as the external RADIUS server. The guest VLAN must be specified after the authentication completes.

Enabling "AAA Override" on the Wireless LAN (WLAN) configuration instructs the Cisco Wireless LAN Controller (WLC) to accept and apply attributes, such as VLAN assignments (e.g., from RADIUS Access-Accept messages), provided by the external RADIUS server (like Cisco ISE) after successful authentication. This is essential for dynamic VLAN assignment in guest access or role-based access scenarios.

Enabling "Network Access Control State" relates to posture assessment and enabling/disabling NAC functionality, not the dynamic assignment of VLANs by a RADIUS server.

Setting an "AAA Policy name" defines which AAA server group or policy to use for authentication, but it does not intrinsically enable the WLC to override local VLAN settings based on RADIUS attributes.

"RADIUS Profiling" is a feature of ISE that identifies endpoint types based on collected attributes, used for policy decisions, but it does not directly enable the WLC to accept dynamic VLAN assignments.