Software User Manual D-Link Unified Access System12/10/09Document 34CSFP6XXUWS-SWUM100-D7 RADIUS Settings Page 393Figure 279: RADIUS Server Configuration—Add ServerIf at least one RADIUS server is configured on the switch, and a host address is selected in the RADIUS Server Host Addressfield, then additional fields are available on the RADIUS Server Configuration page.Figure 280: RADIUS Server Configuration—Server AddedTable 249: RADIUS Server Configuration FieldsFieldDescriptionRADIUS Server Host Address Use the drop-down menu to select the IP address of the RADIUS server to view orconfigure. Select Add to configure additional RADIUS servers.Port Identifies the authentication port the server uses to verify the RADIUS serverauthentication. The port is a UDP port, and the valid range is 1-65535. The default portfor RADIUS authentication is 1812.Secret Shared secret text string used for authenticating and encrypting all RADIUScommunications between the device and the RADIUS server. This secret must matchthe RADIUS encryption.Apply The Secret will only be applied if this box is checked. If the box is not checked,anything entered in the Secret field will have no affect and will not be retained. Thisfield is only displayed if the user has READWRITE access.