ZyXEL Communications NetAtlas, User Manual

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Chapter 20 Advanced Configuration
NetAtlas EPON Manager User’s Guide
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20.3 Authentication
Authentication is the process of determining who a user is and validating access to
the OLT. The OLT can authenticate users who try to log in based on user accounts
configured on the OLT itself. The OLT can also use an external authentication
server to authenticate a large number of users
RADIUS and are security protocols used to authenticate users by means
of an external server instead of (or in addition to) an internal device user database
that is limited to the memory capacity of the device. In essence, RADIUS and
authentication both allow you to validate an unlimited number of users
from a central location.
The following table describes some key differences between RADIUS and
.
Reauthentication
Timer Specify how often a client has to re-enter his or her username and
password to stay connected to the port.
Apply Click Apply to save your changes in this section.
Copy to... Click the Copy to.. button to copy the configuration from the
device that you are currently configuring to the port(s) on the
same device or the port(s) on other device(s) of the same model.
Close Click Close to exit this screen.
Table 148 Advanced Configuration > 802.1x (continued)
LABEL DESCRIPTION
Table 149 RADIUS vs.
RADIUS
Transport
Protocol UDP (User Datagram Protocol) TCP (Transmission Control Protocol)
Encryption Encrypts the password sent for
authentication. All communication between the client
(the EMS) and the TACACS server is
encrypted.