Chapter 4: Web configuration
214 NS3552-8P-2S-V2 User Manual
Authentication configuration
The Authentication Method Configuration page allows you to configure how a user is
authenticated when logging into the switch via one of the management client interfaces.
The page includes the following fields:
Object Description
Client The management client for which the configuration below applies.
Authentication
Method
Authentication method can be set to one of the following values:
None: Authentication is disabled and login is not possible.
Local: Use the local user database on the switch for authentication.
RADIUS: Use a remote RADIUS server for authentication.
TACACS+: Use a remote TACACS+ server for authentication.
Methods that involve remote servers are timed out if the remote servers are
offline. In this case, the next method is tried. Each method is tried from left to
right and continues until a method either approves or rejects a user. If a
remote server is used for primary authentication, we recommend configuring
secondary authentication as local. This permits the management client to
log in via the local user database if none of the configured authentication
servers are valid.
Fallback Enable fallback to local authentication by selecting this check box. If none of
the configured authentication servers are alive, the local user database is
used for authentication. This is only possible if the Authentication Method is
set to something other than 'none or 'local'.
Buttons
• Click Save to save changes.
• Click Reset to undo any changes made locally and revert to previously saved
values.
Network access server configuration
Configure the IEEE 802.1X and MAC-based authentication system and port settings on
the Network Access Server Configuration page. The IEEE 802.1X standard defines a
port-based access control procedure that prevents unauthorized access to a network
by requiring users to first submit credentials for authentication. One or more central
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