D-Link DGS-3130 User Manual - Page 299

DGS-3130 Series Layer 3 Stackable Managed Switch Web UI Reference Guide Click the Apply button to accept the changes made. Click the Clear Log button to clear the log. DHCP Server Screening Port Settings This window is used to display and configure the DHCP server screening port settings. To view the following window, click Security > DHCP Server Screening > DHCP Server Screening Port Settings, as shown below: Figure 9-65 DHCP Server Screening Port Settings Window The fields that can be configured are described below: Parameter Unit From Port - To Port State Server IP Profile Name Description Select the Switch unit that will be used for this configuration here. Select the appropriate port range used for the configuration here. Select to enable or disable the DHCP server screening function on the port(s) specified. Enter the DHCP server IP address here. Enter the DHCP server screening profile that will be used for the port(s) specified here. Click the Apply button to accept the changes made. Click the Delete button to remove the specified entry. ARP Spoofing Prevention This window is used to display and configure the ARP spoofing prevention settings. When an entry is created, ARP packets whose sender IP address matches the gateway IP address, of an entry, but its sender MAC address field does not match the gateway MAC address, of the entry, will be dropped by the system. The ASP will bypass the ARP packets whose sender IP address doesn't match the configured gateway IP address. If an ARP address matches a configured gateway's IP address, MAC address, and port list, then bypass the Dynamic ARP Inspection (DAI) check no matter if the receiving port is ARP trusted or untrusted. To view the following window, click Security > ARP Spoofing Prevention, as shown below: 289