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Chapter 6: Security
• Receive from Client: The number of received packets from server.
• Receive Agent Option: The number of received packets with relay agent information option.
• Replace Agent Option: The number of packets that were replaced with relay agent information option.
• Keep Agent Option: The number of packets whose relay agent information was retained.
• Drop Agent Option: The number of packets that were dropped that were received with relay agent information.
• Auto-refresh: Select the auto-refresh icon and the device will refresh the information automatically.
• Upper right icon (Refresh, Clear): Click on the Refresh icion to refresh the DHCP Relay Statistics manually; click Clear to clean up
the entries.
6.5 NAS
The section describes how to configure the NAS parameters of the switch. The NAS server can be used to connect users to a
variety of resources including Internet access, conference calls, printing documents on shared printers, or by simply logging on to
the Internet.
6.5.1 Configuration
This section describes how to configure NAS setting of IEEE 802.1X, MAC-based authentication system, and port settings. The
NAS configuration consists of two sections, a system- and a port-wide.
Web Interface
To configure the System Configuration for a Network Access Server in the web interface:
1. Select “Enabled” in the Network Access Server Configuration Mode.
2. Check Reauthentication Enabled.
3. Set Reauthentication Period (Default is 3600 seconds).
4. Set EAPOL Timeout (Default is 30 seconds).
5. Set Aging Peroid (Default is 300 seconds).
6. Set Hold Time (Default is 10 seconds).
7. Checked RADIUS-Assigned QoS Enabled.
8. Check RADIUS-Assigned VLAN Enabled.
9. Check Guest VLAN Enabled.
10. Specify Guest VLAN ID.
11. Specify Max. Reauth. Count.
12. Check Allow Guest VLAN if EAPOL Seen.
13. Click Apply.
