TP-Link TL-SG3109 Switch User Manual


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Figure 48: Authenticated Hosts Page
The Authenticated Hosts Page contains the following elds:
User Name — Lists the supplicants that were
authenticated, and are permitted on each port.
Port — Displays the port number.
Session Time — Displays the amount of time (in
seconds) the supplicant was logged on the port.
Authentication Method — Displays the method by
which the last session was authenticated. The possible
eld values are:
– Remote — 802.1x authentication is not used on this port (port is forced-authorized).
– None — The supplicant was not authenticated.
– RADIUS — The supplicant was authenticated by a RADIUS server.
MAC Address — Displays the supplicant MAC address.
5.2.3 Conguring Trafc Control
This section contains information for managing both port security and storm control, and includes the following topics:
Managing Port Security
Enabling Storm Control
5.2.3.1 Managing Port Security
Network security can be increased by limiting access on a specic port only to users with specic MAC addresses. The MAC
addresses can be dynamically learned or statically congured. Locked port security monitors both received and learned
packets that are received on specic ports. Access to the locked port is limited to users with specic MAC addresses. These
addresses are either manually dened on the port, or learned on that port up to the point when it is locked. When a packet
is received on a locked port, and the packet TP-Link source MAC address is not tied to that port (either it was learned on a
different port, or it is unknown to the system), the protection mechanism is invoked, and can provide various options.
Unauthorized packets arriving at a locked port are either:
Forwarded
Discarded with no trap
Discarded with a trap
Shuts down the port
Locked port security also enables storing a list of MAC addresses in the conguration le. The MAC address list can be
restored after the device has been reset.
Disabled ports are activated from the Port Security Page.
To view port security parameters:
1. Click System > Network Security > Trafc Control > Port Security. The Port Security Page opens:
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