D-Link DWS-1008 Product Manual - Page 358
Configuring Communication with RADIUS, RADIUS Overview, Before You Begin, Configuring RADIUS Servers
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Configuring Communication with RADIUS RADIUS Overview Remote Authentication Dial-In User Service (RADIUS) is a distributed client-server system. RADIUS servers provide a repository for all usernames and passwords, and can manage and store large groups of users. RADIUS servers store user profiles, which include usernames, passwords, and other AAA attributes. You can use authorization attributes to authorize users for a type of service, for appropriate servers and network segments through VLAN assignments, for packet filtering by access control lists (ACLs), and for other services during a session. Before You Begin To ensure that you can contact the RADIUS servers you plan to use for authentication, send the ping command to each one to verify connectivity. ping ip-address You can then set up communication between the switch and each RADIUS server group. Configuring RADIUS Servers An authentication server authenticates each client with access to a switch port before making available any services offered by the switch or the wireless network. The authentication server can reside either in the local database on the switch or on a remote RADIUS server. When a RADIUS server is used for authentication, you must configure RADIUS server parameters. For each RADIUS server, you must, at a minimum, set the server name, the password (key), and the IP address. You can include any or all of the other optional parameters. You can set some parameters globally for the RADIUS servers. For RADIUS servers that do not explicitly set their own dead time and timeout timers and transmission attempts, MSS sets the following values by default: • Dead time-0 (zero) minutes (The switch does not designate unresponsive RADIUS servers as unavailable.) • Transmission attempts-3 • Timeout (wait for a server response)-5 seconds D-Link DWS-1008 User Manual 339
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