User’s Manual of GS-5220 LCD Series
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4.12 Security
This section is to control the access of the Managed Switch, includes the user access and management control.
The Security page contains links to the following main topics:
Port Limit Control
Access Management
HTTPs / SSH
DHCP Snooping
IP Source Guard
ARP Inspection
4.12.1 Port Limit Control
This page allows you to configure the Port Security Limit Control system and port settings. Limit Control allows
for limiting the number of users on a given port. A user is identified by a MAC address and VLAN ID. If Limit
Control is enabled on a port, the limit specifies the maximum number of users on the port. If this number is
exceeded, an action is taken. The action can be one of the four different actions as described below.
The Limit Control module utilizes a lower-layer module and Port Security module, which manage MAC addresses
learnt on the port. The Limit Control configuration consists of two sections, a system- and a port-wide. The Port
Limit Control Configuration screen in Figure 4-12-1 appears.
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