D-Link DGS-1520 User Manual - Page 454

DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide Advanced Settings IP-MAC-Port Binding Settings This window is used to display and configure the IP-MAC-Port binding settings. To view the following window, click Security > IMPB > IPv4 > Advanced Settings > IP-MAC-Port Binding Settings, as shown below: Figure 9-54 IP-MAC-Port Binding Settings Window 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 Unit From Port - To Port Mode Description Select the Switch unit that will be used for this configuration here. 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 - Specifies that IP-MAC-Port binding function is disabled on the specified port(s). • Strict - 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. • Loose - 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 444