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DGS-3130 Series Layer 3 Stackable Managed Switch Web UI Reference Guide
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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 9-648 DHCP Server Screening Port Settings Window
The fields that can be configured are described below:
Parameter Description
Unit Select the Switch unit that will be used for this configuration here.
From Port - To Port Select the appropriate port range used for the configuration here.
State Select to enable or disable the DHCP server screening function on the port(s)
specified.
Server IP Enter the DHCP server IP address here.
Profile Name
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:
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