Port Security Entries; Arp Spoofing Prevention Settings - D-Link DGS-3000 series Reference Manual

DGS-3000 Series Layer 2 Managed Gigabit Switch Web UI Reference Guide

Port Security Entries

Users can remove an entry from the port security entries learned by the Switch and entered into the forwarding
database.
To view this window, click Security > Port Security > Port Security Entries as shown below:
The fields that can be configured or displayed are described below:
Parameter
VLAN Name
VID List
Port List
MAC Address
Lock Mode
Click the Find button to locate a specific entry based on the information entered.
Click the Clear button to clear all the entries based on the information entered.
Click the Show All button to display all the existing entries.
Click the Clear All button to remove all the entries listed.
Click the Delete button to remove the specific entry.
Enter a page number and click the Go button to navigate to a specific page when multiple pages exist.

ARP Spoofing Prevention Settings

The user can configure the spoofing prevention entry to prevent spoofing of MAC for the protected gateway. When
an entry is created, those ARP packets whose sender IP matches the gateway IP of an entry, but its source MAC
field does not match the gateway MAC of the entry will be dropped by the system.
To view this window, click Security > ARP Spoofing Prevention Settings as shown below:
Figure 8-53 Port Security Entries window
Description
The VLAN Name of the entry in the forwarding database table that has been
permanently learned by the Switch.
The VLAN ID of the entry in the forwarding database table that has been permanently
learned by the Switch.
Enter the port number or list here to be used for the port security entry search. When
All is selected, all the ports configured will be displayed.
The MAC address of the entry in the forwarding database table that has been
permanently learned by the Switch.
The type of MAC address in the forwarding database table.
Figure 8-54 ARP Spoofing Prevention Settings window
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