D-Link DGS-3620-28TC-SI Product Manual - Page 386
Authentication Server Settings, IP Address, Protocol
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xStack® DGS-3620 Series Managed Switch Web UI Reference Guide IP Address Enter the IP address of the server host. Protocol use the drop-down menu to choose the Protocol associated with the IP address of the Authentication Server Host Click the Add button to add a new entry based on the information entered. NOTE: The user must configure Authentication Server Hosts using the Authentication Server Hosts window before adding hosts to the list. Authentication Server Hosts must be configured for their specific protocol on a remote centralized server before this function can work properly. NOTE: The three built-in server groups can only have server hosts running the same TACACS daemon. TACACS/XTACACS/TACACS+ protocols are separate entities and are not compatible with each other. Authentication Server Settings User-defined Authentication Server Hosts for the TACACS / XTACACS / TACACS+ / RADIUS security protocols can be set on the Switch. When a user attempts to access the Switch with Authentication Policy enabled, the Switch will send authentication packets to a remote TACACS / XTACACS / TACACS+ / RADIUS server host on a remote host. The TACACS / XTACACS / TACACS+ / RADIUS server host will then verify or deny the request and return the appropriate message to the Switch. More than one authentication protocol can be run on the same physical server host but, remember that TACACS / XTACACS / TACACS+ / RADIUS are separate entities and are not compatible with each other. The maximum supported number of server hosts is 16. To view this window, click Security > Access Authentication Control > Authentication Server Settings as shown below: Figure 8-69 Authentication Server Settings window The fields that can be configured are described below: Parameter Description IP Address Protocol Key Port (1-65535) Timeout (1-255) The IP address of the remote server host to add. The protocol used by the server host. The user may choose one of the following: TACACS - Enter this parameter if the server host utilizes the TACACS protocol. XTACACS - Enter this parameter if the server host utilizes the XTACACS protocol. TACACS+ - Enter this parameter if the server host utilizes the TACACS+ protocol. RADIUS - Enter this parameter if the server host utilizes the RADIUS protocol. Authentication key to be shared with a configured TACACS+ or RADIUS servers only. Specify an alphanumeric string up to 254 characters. Enter a number between 1 and 65535 to define the virtual port number of the authentication protocol on a server host. The default port number is 49 for TACACS/XTACACS/TACACS+ servers and 1812 for RADIUS servers but the user may set a unique port number for higher security. Enter the time in seconds the Switch will wait for the server host to reply to an 376