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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
432
IPv4
DHCPv4 Snooping
DHCP Snooping Global Settings
This window is used to display and configure the global DHCP snooping settings.
To view the following window, click Security > IMPB > IPv4 > DHCPv4 Snooping > DHCP Snooping Global
Settings, as shown below:
Figure 9-40 DHCP Snooping Global Settings Window
The fields that can be configured are described below:
Parameter Description
DHCP Snooping
Select to enable or disable the global DHCP snooping status.
Information Option Allow
Untrusted
Select to enable or disable the option to globally allow DHCP packets with the
relay Option 82 on the untrusted interface.
Source MAC Verification
Select to enable or disable the verification that the source MAC address in a
DHCP packet matches the client hardware address.
Station Move Deny
Select to enable or disable the DHCP snooping station move state. When DHCP
snooping station move is enabled, the dynamic DHCP snooping binding entry with
the same VLAN ID and MAC address on the specific port can move to another port
if it detects that a new DHCP process belong to the same VLAN ID and MAC
address.
Click the Apply button to accept the changes made.
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