D-Link 18 Switch User Manual


 
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DES-3200-10/18/28/28F Layer 2 Ethernet Managed Switch User Manual
DHCP Snooping Entries
This window 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:
Figure 5 - 7. DHCP Snooping Entries window
MAC Block List
This window 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 display all the
MAC blocked entries, click View All.To delete all the entries in the window, click Delete All.
To view this window click, Security > IP-MAC-Port Binding > MAC Block List:
Figure 5 - 8. MAC Block List window
Port Security
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.
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 can not be changed once the port lock is enabled. Setting
the Admin State pull-down menu to Enabled, and clicking Apply can lock the port.
To view the following window, click, Security > Port Security > Port Security Port Settings:
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