D-Link DGS-3627G Product Manual - Page 400

xStack® DGS-3600 Series Layer 3 Managed Gigabit Ethernet Switch Figure 7- 50. Authentication Server Host Setting - Add window To edit an Authentication Server Host, click the IP address hyperlink. Configure the following parameters to add or edit an Authentication Server Host: Parameter Description IP Address Protocol Port (1-65535) Timeout (1-255) Retransmit (1-20) Key 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. 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 1813 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 authentication request. The default value is 5 seconds. Enter the value in the retransmit field to change how many times the device will resend an authentication request when the TACACS server does not respond. Authentication key to be shared with a configured TACACS+ or RADIUS servers only. Specify an alphanumeric string up to 254 characters. Click Apply to add the server host. NOTE: More than one authentication protocol can be run on the same physical server host but, remember that TACACS/XTACACS/TACACS+ are separate entities and are not compatible with each other 384