Chapter 12
| Security Measures
Configuring 802.1X Port Authentication
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◆ MAC Filter ID – The identifier for a MAC address filter.
◆ Last Intrusion MAC – The last unauthorized MAC address detected.
◆ Last Time Detected Intrusion MAC – The last time an unauthorized MAC
address was detected.
Web Interface
To configure port security:
1. Click Security, Port Security.
2. Mark the check box in the Security Status column to enable security, set the
action to take when an invalid address is detected on a port, and set the
maximum number of MAC addresses allowed on the port.
3. Click Apply
Figure 210: Configuring Port Security
Configuring 802.1X Port Authentication
Network switches can provide open and easy access to network resources by
simply attaching a client PC. Although this automatic configuration and access is a
desirable feature, it also allows unauthorized personnel to easily intrude and
possibly gain access to sensitive network data.
The IEEE 802.1X (dot1X) standard defines a port-based access control procedure
that prevents unauthorized access to a network by requiring users to first submit
credentials for authentication. Access to all switch ports in a network can be
centrally controlled from a server, which means that authorized users can use the
same credentials for authentication from any point within the network.
This switch uses the Extensible Authentication Protocol over LANs (EAPOL) to
exchange authentication protocol messages with the client, and a remote RADIUS
authentication server to verify user identity and access rights. When a client (i.e.,
Supplicant) connects to a switch port, the switch (i.e., Authenticator) responds with
an EAPOL identity request. The client provides its identity (such as a user name) in
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