D-Link DGS-3130 User Manual - Page 285

DGS-3130 Series Layer 3 Stackable Managed Switch Web UI Reference Guide Click the Back button to return to the previous page. Click the Apply button to accept the changes made. Click the Delete button to remove the specified entry. ARP Inspection Settings This window is used to display and configure the ARP inspection settings. To view the following window, click Security > IMPB > IPv4 > Dynamic ARP Inspection > ARP Inspection Settings, as shown below: Figure 9-46 ARP Inspection Settings Window The fields that can be configured in ARP Inspection Validation are described below: Parameter Src-MAC Dst-MAC IP Description Select to enable or disable the source MAC option here. This option specifies to check for ARP requests and response packets and the consistency of the source MAC address in the Ethernet header against the sender MAC address in the ARP payload. Select to enable or disable the destination MAC option here. This option specifies to check for ARP response packets and the consistency of the destination MAC address in the Ethernet header against the target MAC address in the ARP payload. Select to enable or disable the IP option here. This option specifies to check the ARP body for invalid and unexpected IP addresses. It also specifies to check the validity of IP address in the ARP payload. The sender IP in both the ARP request and response and target IP in the ARP response are validated. Packets destined for the IP addresses 0.0.0.0, 255.255.255.255, and all IP multicast addresses are dropped. Sender IP addresses are checked in all ARP requests and responses, and target IP addresses are checked only in ARP responses. Click the Apply button to accept the changes made. The fields that can be configured in ARP Inspection Filter are described below: 275