DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide 
481 
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 9-39 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. 
 
DHCP Snooping Port Settings 
This window is used to display and configure the DHCP snooping port settings. 
To view the following window, click Security > IMPB > IPv4 > DHCPv4 Snooping > DHCP Snooping Port Settings, 
as shown below: