Which protocol can be used in conjunction with Local EAP as a backup?

The combination of Local EAP (Extensible Authentication Protocol) with RADIUS (Remote Authentication Dial-In User Service) serves as a robust solution for authentication processes. Using RADIUS as a backup protocol is particularly advantageous because RADIUS is widely supported and allows for centralized authentication, authorization, and accounting.

In environments where Local EAP is implemented for authentication, RADIUS can provide an effective failover option in case Local EAP encounters issues or is unable to complete the authentication process. This ensures that users can still authenticate and maintain access to network resources without significant interruption.

RADIUS operates effectively by providing a way for access points or network devices to communicate with an authentication server. This server can manage user credentials and facilitate different types of authentication methods, including EAP, for a more comprehensive security architecture.

In contrast, while LDAP (Lightweight Directory Access Protocol), NTLM (NT LAN Manager), and Kerberos can be used for authentication, they do not serve the same purpose in the context of providing a backup solution specifically for Local EAP within network access scenarios. LDAP, for instance, is primarily used for directory services and isn't typically utilized as a direct backup for Local EAP authentication.