DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide 
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Parameter  Description 
system uses broadcasts. A Peer To Peer (p-node) system uses only point-to-
point name queries to a name server (WINS). A Mixed (m-node) system 
broadcasts first, and then queries the name server. A Hybrid (h-node) system 
queries the name server first, and then broadcasts. The Hybrid type is 
recommended. 
Lease 
Enter and select the lease time for an IPv4 address that is assigned from the 
address pool here. Enter the Days in the range from 0 to 365. Select the Hours 
and Minutes from the drop-down menus. Alternatively, the Infinite option can be 
selected to specify that the lease time is unlimited. 
Click the Apply button to accept the changes made. 
Click the Back button to return to the previous window. 
 
DHCP Server Exclude Address 
This window is used to view and exclude a range of IPv4 addresses from being allocated to the DHCP client. The 
DHCP server automatically allocates addresses in DHCP address pools to DHCP clients. All the addresses except the 
interface’s IP address on the router and the excluded address(es) specified here are available for allocation. Multiple 
ranges of addresses can be excluded. To remove a range of excluded addresses, administrators must specify the 
exact range of addresses previously configured. 
To view the following window, click Management > DHCP > DHCP Server > DHCP Server Exclude Address, as 
shown below: 
 
Figure 4-34 DHCP Server Exclude Address Window 
 
The fields that can be configured are described below: 
Parameter  Description 
VRF Name 
Enter the name of the VRF instance here. This name can be up to 12 characters 
long. 
Begin Address 
Enter the first IPv4 address of a range of addresses to be excluded here. 
End Address 
Enter the last IPv4 address of a range of addresses to be excluded here. 
Click the Apply button to accept the changes made. 
Click the Delete button to remove the specified entry. 
 
DHCP Server Manual Binding 
This window is used to display and configure the DHCP server manual binding settings. With a manual binding entry, 
the IP address can be either be bound with a client-identifier or bound with the hardware address of the host. 
To view the following window, click Management > DHCP > DHCP Server > DHCP Server Manual Binding, as 
shown below: