Nd Snoop Entry; Port Security; Port Security Settings - D-Link xStack Reference Manual

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xStack DGS-3200 Series Layer 2 Managed Gigabit Ethernet Switch Web UI Reference Guide
The following fields can be configured:
Parameter
From Port / To Port
Maximum Entry (1-
10)
Click the Apply button to accept the changes made.

ND Snoop Entry

This window is used to view dynamic entries on specific ports.
To view the following window, click Security > IP-MAC-Port Binding (IMPB) > ND Snoop > ND Snoop Entry:
The following fields can be configured:
Parameter
Port
Ports (e.g.: 1, 7-12)
To view particular port settings, select the port number and click Find. To delete an entry, click Clear. To view all entries click
View All.

Port Security

The Port Security folder contains two windows: Port Security Settings and Port Lock Entries.

Port Security Settings

A given port's (or a range of ports') dynamic MAC address learning can be locked such that the current source MAC addresses
entered into the MAC address forwarding table can not be changed once the port lock is enabled. The port can be locked by
changing the Admin State drop-down menu to Enabled and clicking Apply.
Port Security is a security feature that prevents unauthorized computers (with source MAC addresses) unknown to the Switch
prior to locking the port (or ports) from connecting to the Switch's locked ports and gaining access to the network.
To view the following window, click Security > Port Security > Port Security Settings:
Description
Use the drop-down menus to select a range of ports to use.
Enter the maximum entry value. Tick the No Limit check box to have unlimited maximum
number of the learned entries.
Figure 6 - 13. ND Snooping Entry window
Description
Use the drop-down menu to select the desired port.
Specify the ports for which to view DHCP snooping entries. Tick the All Ports check box to
view all ND snooping ports on the Switch.
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