Radius Servers; Configure The Global Radius Server Settings - NETGEAR S3600 Series User Manual

S3600 Series 8- or 16-Port 10G/Multi-Gigabit Ethernet Smart Switch with 2 SFP+ Ports

RADIUS servers

RADIUS servers provide additional security for networks. The RADIUS server maintains
a user database, which contains per-user authentication information. The switch passes
information to the configured RADIUS server, which can authenticate a user name and
password before authorizing use of the network. RADIUS servers provide a centralized
authentication method for the following:
• Web access
• Port access control (802.1X)

Configure the global RADIUS server settings

You can add information about one or more RADIUS servers on the network.
If you configure multiple RADIUS servers, consider the maximum delay time when you
specify the maximum number of retransmissions (that is, the value that you enter in the
Max Number of Retransmits field in the following procedure) and the time-out period
(that is, the value that you enter in the Timeout Duration field in the following procedure)
for RADIUS:
• For one RADIUS server, a retransmission does not occur until the configured time-out
period expires without a response from the RADIUS server. In addition, the maximum
number of retransmissions for one RADIUS server must pass before the switch
attempts the next RADIUS server.
• Therefore, the maximum delay in receiving a RADIUS response on the switch equals
the maximum number of retransmissions multiplied by the time-out period multiplied
by the number of configured RADIUS servers. If the RADIUS request was generated
by a user login attempt, all user interfaces are blocked until the switch receives a
RADIUS response.
To configure the global RADIUS server settings:
1. Connect your computer to the same network as the switch.
You can use a WiFi or wired connection to connect your computer to the network,
or connect directly to a switch that is off-network using an Ethernet cable.
2. Launch a web browser and enter the IP address of the switch in the address field of
your web browser.
If you do not know the IP address of the switch, see Access the switch on-network
and connected to the Internet on page 25 or Access the switch off-network and not
connected to the Internet on page 32.
The Device Admin Password page displays.
Manage Switch Security 382 User Manual