Netgear GS748Tv5 Software Administration Manual - Page 179
RADIUS Configuration
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GS716Tv3, GS724Tv4, and GS748Tv5 Smart Switches RADIUS Configuration RADIUS servers provide additional security for networks. The RADIUS server maintains a user database, which contains per-user authentication information. The switch passes information to the configured RADIUS server, which can authenticate a user name and password before authorizing use of the network. RADIUS servers provide a centralized authentication method for: • Web access • Port access control (802.1X) The RADIUS menu contains links to the features described in the following sections. • Global Configuration • RADIUS Server Configuration • Accounting Server Configuration Global Configuration Use the Global Configuration screen to add information about one or more RADIUS servers on the network. Consideration to maximum delay time should be given when configuring RADIUS maximum retransmit and RADIUS time-out. If multiple RADIUS servers are configured, the maximum retransmit value on each will run out before the next server is attempted. A retransmit will not occur until the configured time-out value on that server has passed without a response from the RADIUS server. Therefore, the maximum delay in receiving a response from the RADIUS application equals the product of retransmit × time-out for all configured servers. If the RADIUS request was generated by a user login attempt, all user interfaces will be blocked until the RADIUS application returns a response. To configure global RADIUS server settings: 1. Select Security > Management Security > RADIUS > Global Configuration. The Current Server IP Address field is blank if no servers are configured (see RADIUS Server Configuration on page 180). The switch supports up to three configured RADIUS servers. If more than one RADIUS servers are configured, the current server is the server configured as the primary server. If no servers are configured as the primary server, the current server is the most recently added RADIUS server. 2. In the Max Number of Retransmits field, specify the value of the maximum number of times a request packet is retransmitted to the RADIUS server. 3. In the Timeout Duration field, specify the time-out value, in seconds, for request retransmissions. 4. From the Accounting Mode list, select whether the RADIUS accounting mode is enabled or disabled on the current server. 5. Click the Apply button. Managing Device Security 179