D-Link DGS-1510-20 User Manual - Page 148

DGS-1510 Series Gigabit Ethernet SmartPro Switch Web UI Reference Guide Figure 6-5 Gratuitous ARP window The fields that can be configured are described below: Parameter IP Gratuitous ARP State Gratuitous ARP Trap State IP Gratuitous ARP Dad-Reply State Gratuitous ARP Learning State Description Select this option to enable or disable the learning of gratuitous ARP packets in the ARP cache table. Select this option to enable or disable the ARP trap state. Select this option to enable or disable the IP gratuitous ARP Dad-reply state. Select this option to enable or disable the gratuitous ARP learning state. Normally, the system will only learn the ARP reply packet or a normal ARP request packet that asks for the MAC address that corresponds to the system's IP address. This option used to enable or disable the learning of ARP entries in the ARP cache based on the received gratuitous ARP packet. The gratuitous ARP packet is sent by a source IP address that is identical to the IP that the packet is queries for. Click the Apply button to accept the changes made. Click the Edit button to re-configure the specific entry. Enter a page number and click the Go button to navigate to a specific page when multiple pages exist. IPv4 Interface This window is used to view and configure the IPv4 interface settings. To view the following window, click L3 Features > IPv4 Interface, as shown below: Figure 6-6 IPv4 Interface window 140