D-Link xStack User Manual page 267

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To add an Authentication Server Host, click the Add button, revealing the following window:
Figure 6 - 41 Authentication Server Host Setting - Add window
Configure the following parameters to add an Authentication Server Host:
Parameter
IP Address
Protocol
Port (1-65535)
Timeout (1-255)
Retransmit (1-20)
Key
Click Apply to add the server host.
®
DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
Figure 6 - 40 Authentication Server Host window
Description
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.
Authentication key to be shared with a configured TACACS+ or RADIUS servers only. Specify
an alphanumeric string up to 254 characters.
256