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Configuration D-Link Web Smart Switch User Manual
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The ARP Spoofing Prevention function can discard the ARP Spoofing Attack in the network by checking the
gratuitous ARP packets and filtering those with illegal IP or MAC addresses.
Figure 4.78 – Security > ARP Spoofing Prevention
Enter the IP Address, MAC Address, Ports and then click Add to create a checking/filtering rule. Click
Delete to remove the corresponding rule. Click Delete All to clear all the entries.
DHCP Server Screening function allows user to restrict the illegal DHCP server by discarding the DHCP
service from distrusted ports. This window is used to configure the DHCP Server Screening state for each
port and designed trusted DHCP server IP address. Select Ports and then click Apply to enable or disable
the function.
Security > DHCP Server Screening
Figure 4.79 – Security > DHCP Server Screening
Trusted DHCP Server IP Settings: Click IPv4 and enter the IP address of the DHCP server.
Click Add to add a trusted DHCP server.