D-Link DGS-3700 User Manual download pdf (Page 162)

DGS-3700-12/DGS-3700-12G Series Layer 2 Gigabit Ethernet Switch User Manual

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DHCP Snooping Entries

This table is used to view dynamic entries on specific ports. To view particular port settings, enter the port number and

click Find. To view all entries click View All, and to delete an entry, click Clear.

To view this window, click Security > IP-MAC-Port Binding > DHCP Snooping Entries as shown below:

Figure 5 - 7 DHCP Snooping Entries window

MAC Block List

This table is used to view unauthorized devices that have been blocked by IP-MAC binding restrictions. To find an

unauthorized device that has been blocked by the IP-MAC binding restrictions, enter the VID and MAC Address in the

appropriate fields and click Find. To delete an entry, click the delete button next to the entry’s port. To delete all the

entries in the Blocked Address Browser window, click Clear All.

To view this window, click Security > IP-MAC-Port Binding > MAC Block List as shown below:

Figure 5 - 8 MAC Block List window

Port Security

Port Security Port Settings

A given ports’ (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 cannot be changed once the port lock is enabled. Setting

the Admin State pull-down menu to Enabled, and clicking Apply can lock the port.

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 this window, click Security > Port Security > Port Security Port Settings as shown below:

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D-Link DGS-3700 User Manual Page 162