Configuring Authentication Server Hosts - D-Link DGS-3100-48 User Manual

Configuring Authentication Server Hosts

The Authentication Server is a remote device connected to the same network as the Client and Authenticator. Users are
authenticated using either RADIUS or TACACS+, and must be authenticated by the server before attaining network access.
To define the Authentication Server information:
1. Click Security > Access Authentication Control> Authentication Server Host. The Authentication Server
Host Page opens:
The Authentication Server Host Page contains the following fields:
Field
IP Address
Protocol
Key
Priority
Port (1-65535)
Timeout (1-30secs)
Retransmit (1-10 times)
2. Define the IP Address, Protocol, Key, Port, Timeout, and Retransmit fields.
Figure 5-12. Authentication Server Host Page
Description
Defines the IP address of the RADIUS or TACACS+ server authenticating network users.
Indicates the authentication protocol used to authenticate network users. The possible
field values are:
RADIUS — Indicates that network users are authenticated via a RADIUS server.
TACACS+ — Indicates that network users are authenticated via a TACACS+ server.
Defines the key used to authenticate network users. The key may contain up to 128
characters
Defines the priority assigned to the server. The field range is First -Third, where Third is
the lowest priority and First is the highest priority.
The port number for authentication requests. The host is not used for authentication if set
to 0. If unspecified, the Radius port number defaults to 1812, TACACS+ port number
defaults to 49.
Indicates the amount of time that passes, in which no authentication activity occurs, after
which the authentication session times out.
Indicates the number of times the port attempts to re- authenticate a timed out session.
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