Secure WLANs Authentication in the Enterprise

Enterprise security mode choice requires an Authentication, Authorization, and Accounting (AAA) RADIUS server.

There pieces of information are required:

• RADIUS server IP address – IP address of the server.
• UDP port numbers –UDP ports 1812 for RADIUS Authentication, and 1813 for RADIUS Accounting, but can also operate using UDP ports 1645 and 1646.
• Shared key – Used to authenticate the AP with the RADIUS server.

Note: User authentication and authorization is handled by the 802.1X standard, which provides a centralized, server-based authentication of end users.