Linksys BUSINESS SERIES SRW224G4 - Manual (Page 44)

Chapter 5 Advanced Configuration
37 WebView Switches
802.1X • Indicates that the RADIUS server is used for
802.1X authentication.
All • Indicates that the RADIUS server is used for
authenticating user name and passwords, and 802.1X
port authentication.
Use the Add to List button to add the RADIUS configuration
to the RADIUS Table at the bottom of the screen.
Security > TACACS+
The device provides Terminal Access Controller Access
Control System (TACACS+) client support. TACACS+
provides centralized security for validation of users
accessing the device. TACACS+ provides a centralized user
management system, while still retaining consistency with
RADIUS and other authentication processes. The TACACS+
protocol ensures network integrity through encrypted
protocol exchanges between the device and TACACS+
server.
Security > TACACS+
Host IP Address Displays the TACACS+ Server IP
address.
Priority Displays the order in which the TACACS+ servers
are used. The default is 0.
Source IP Address Displays the device source IP address
used for the TACACS+ session between the device and the
TACACS+ server.
Key String Defines the authentication and encryption key
for TACACS+ server. The key must match the encryption
key used on the TACACS+ server.
Authentication Port Displays the port number through
which the TACACS+ session occurs. The default is port 49.
Timeout for Reply Displays the amount of time that
passes before the connection between the device and
the TACACS+ server times out. The field range is 1–30
seconds.
Status Displays the connection status between the
device and the TACACS+ server. The possible field values
are:
Connected • There is currently a connection between
the device and the TACACS+ server.
Not Connected • There is not currently a connection
between the device and the TACACS+ server.
Single Connection Maintains a single open connection
between the device and the TACACS+ server when
selected
Use the Add to List button to add the TACACS+
configuration to the TACACS+ table at the bottom of the
screen.
Security > 802.1x Settings
Port based authentication enables authenticating system
users on a per-port basis via an external server. Only
authenticated and approved system users can transmit
and receive data. Ports are authenticated via the RADIUS
server using the Extensible Authentication Protocol
(EAP).
Security > 802.1x Settings
Enable 802.1x Select the checkbox to enable 802.1x
authentication.
Port Indicates the port name.
Status Port Control Specifies the port authorization
state. The possible field values are as follows:
Force-Unauthorized • The controlled port state is set
to Force-Unauthorized (discard traffic).
Auto • The controlled port state is set by the system.
Force-Authorized • The controlled port state is set to
Force-Authorized (forward traffic).
Enable Periodic Reauthentication Permits immediate
port reauthentication.