Netgear GSM4248P User Manual - Page 552

AV Line of Fully Managed Switches M4250 Series Main User Manual Port authentication With port-based authentication, when 802.1X is enabled both globally and on the port, successful authentication of any one supplicant attached to the port results in all users being able to use the port without restrictions. At any time, only one supplicant is allowed to attempt authentication on a port in this mode. Ports in this mode are under bidirectional control. 802.1X is the default authentication mode. 802.1X is also referred to as dot1x. Note: For port authentication, if we refer to a port, it means the same as a physical interface. An 802.1X network includes three components: • Authenticator: The port that is authenticated before access to system services is permitted. • Supplicant: The host that is connected to the authenticated port requesting access to the system services. • Authentication server: The external server, for example, the RADIUS server that performs the authentication on behalf of the authenticator, and indicates whether the supplicant is authorized to access system services. Configure the global 802.1X settings You can enable 802.X on the switch and configure the global 802.1X settings that apply to the switch and to specific users. If you enable 802.1X, authentication must be performed by a RADIUS server: • RADIUS server: Configure a RADIUS server (see RADIUS servers on page 500). • Primary authentication method: Set the primary authentication method to RADIUS, that is, RADIUS must be method 1 for the defaultList setting of the login authentication list (see Configure a login authentication list on page 514). To configure the global 802.1X settings: 1. Launch a web browser. 2. In the address field of your web browser, enter the IP address of the switch. The login page displays. 3. Click the Main UI Login button. The main UI login page displays in a new tab. Manage Switch Security 552 Main User Manual