DGS-1250 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
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The fields that can be configured in Port Security System Settings are described below:
Parameter Description
System Maximum Address
Enter the maximum number of secure MAC addresses allowed. If not specified,
the default value is No Limit. The valid range is from 1 to 3328. Tick the No Limit
checkbox to allow the maximum number of secure MAC address.
Click the Apply button to accept the changes made.
Port Security Port Settings
This window is used to display and configure the port security port settings.
To view the following window, click Security > Port Security > Port Security Port Settings, as shown below:
Figure 9-2 Port Security Port Settings Window
The fields that can be configured are described below:
Parameter Description
From Port - To Port
Select the appropriate port range used for the configuration here.
State
Select to enable or disable the port security feature on the port(s) specified.
Maximum
Enter the maximum number of secure MAC addresses that will be allowed on the
port(s) specified. This value must be between 0 and 64. By default, this value is
32.
Violation Action
Select the violation action that will be taken here. Options to choose from are
Protect, Restrict, and Shutdown.
• Selecting Protect specifies to drop all packets from the insecure hosts at the
port-security process level, but does not increment the security-violation
count.
• Selecting Restrict specifies to drop all packets from the insecure hosts at the
port-security process level and increments the security-violation count and
record the system log.
• Selecting Shutdown specifies to shut down the port if there is a security
violation and record the system log.
Security Mode
Select the security mode option here. Options to choose from are Permanent and
Delete-on-Timeout.
• Selecting Permanent specifies that under this mode, all learned MAC
addresses will not be purged out unless the user manually deletes those
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