DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide 
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Parameter  Description 
State 
Select to enable or disable the DHCP snooping VLAN setting here. 
Click the Apply button to accept the changes made. 
 
DHCP Snooping Database 
This window is used to display and configure the DHCP snooping database settings. 
To view the following window, click Security > IMPB > IPv4 > DHCPv4 Snooping > DHCP Snooping Database, as 
shown below: 
 
Figure 9-42 DHCP Snooping Database Window 
 
The fields that can be configured in DHCP Snooping Database are described below: 
Parameter  Description 
Write Delay 
Enter the write delay time value here. This value must be between 60 and 86400 
seconds. By default, this value is 300 seconds. 
Click the Reset button to reset the information entered. 
Click the Apply button to accept the changes made. 
 
The fields that can be configured in Store DHCP Snooping Database are described below: 
Parameter  Description 
URL 
Select the location from the drop-down list and enter the URL where the DHCP 
snooping database will be stored to here. Locations to choose from are TFTP, 
FTP, and Flash. An example URL is given. 
Click the Apply button to accept the changes made. 
 
The fields that can be configured in Load DHCP Snooping Database are described below: