What is required for a LAP to authenticate with a WLC?

To authenticate a Lightweight Access Point (LAP) with a Wireless LAN Controller (WLC), the presence of pre-installed X.509 certificates on both devices plays a crucial role in ensuring a secure communication channel between them. X.509 certificates are a form of public key infrastructure (PKI) that validate the identity of devices and establish trust.

When a LAP attempts to join a WLC, it uses the certificate to prove its identity and to create a secure encrypted tunnel for further communication. This authentication process is significant because it helps prevent unauthorized access points from connecting to the controller and maintains the integrity and security of the wireless network.

In contrast, while other factors like having access privileges and IP addressing might contribute to the overall network setup and communication, they are not fundamental necessities specifically for the authentication process between a LAP and a WLC.