DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide 
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Parameter  Description 
Lease 
Enter and optionally select the DHCP client lease time here. In the text box the 
lease time, in days, can be entered. The range is from 0 to 10000 days. Hours 
and Minutes can also be selected optionally. 
Click the Apply button to accept the changes made. 
 
IPv6 Interface 
This window is used to display and configure the IPv6 interface settings. 
To view the following window, click L3 Features > Interface > IPv6 Interface, as shown below: 
 
 
Figure 6-11 IPv6 Interface Window 
 
The fields that can be configured in IPv6 Optimistic DAD are described below: 
Parameter  Description 
IPv6 Optimistic DAD State 
Select to enable or disable the IPv6 Optimistic Duplicate Address Detection 
(DAD) state here. 
Click the Apply button to accept the changes made. 
 
The fields that can be configured in IPv6 Interface are described below: 
Parameter  Description 
Interface VLAN 
Enter the VLAN interface ID that will be associated with the IPv6 entry. 
Click the Apply button to accept the changes made. 
Click the Find button to locate a specific entry based on the information entered. 
Click the Show Detail button to view and configure more detailed settings for the IPv6 interface entry. 
Enter a page number and click the Go button to navigate to a specific page when multiple pages exist. 
 
After clicking the Show Detail button, the following page will be available.