D-Link DGS-1250 User Manual - Page 212
IP-MAC-Port Binding Blocked Entry
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DGS-1250 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide The fields that can be configured in IP-MAC-Port Binding Trap Settings are described below: Parameter Trap State Description Select the enable or disable the IP-MAC-Port binding option's trap state. Click the Apply button to accept the changes made. The fields that can be configured in IP-MAC-Port Binding Port Settings are described below: Parameter From Port - To Port Mode Description Select the appropriate port range used for the configuration here. Select the mode of access control that will be used here. Options to choose from are Disabled, Strict, and Loose. When a port is enabled for IMPB strict-mode access control, a host can only access the port after the host sends ARP or IP packets and the ARP packet or IP packet sent by the host passes the binding check. To pass the binding check, the source IP address, source MAC address, VLAN ID, and arrival port number must match any of the entries defined by either the IPSG static binding entry or the DHCP snooping learned dynamic binding entry. When a port is enabled for IMPB loose-mode access control, a host will be denied to access the port after the host sends ARP or IP packets and the ARP packet or IP packet sent by the host does not pass the binding check. To pass the binding check, the source IP address, source MAC address, VLAN ID, and arrival port must match any of the entries defined by either the IPSG static binding entry or the DHCP snooping learned dynamic binding entry. Click the Apply button to accept the changes made. IP-MAC-Port Binding Blocked Entry This window is used to view and clear the IP-MAC-Port binding blocked entry table. To view the following window, click Security > IMPB > IPv4 > Advanced Settings > IP-MAC-Port Binding Blocked Entry, as shown below: Figure 9-41 IP-MAC-Port Binding Blocked Entry Window The fields that can be configured are described below: Parameter Clear by Port From Port - To Port Clear by MAC Clear All Description Select this option to clear the entry table based on the port(s) selected. Select the appropriate port range that will be cleared here. Select this option to clear the entry table based on the MAC address entered. Enter the MAC address that will be cleared in the space provided. Select this option to clear all entries that contain MAC addresses. Click the Apply button to accept the changes made. 203