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12 Chapter 1 DHCP Service
Deleting Subnets From DHCP Service
You can delete subnets and subnet IP address ranges when they will no longer be
distributed to clients.
To delete subnets or address ranges:
1 In Server Admin, choose DHCP from the Computers & Services list.
2 Click Settings.
3 Select a subnet.
4 Click Delete.
5 Click Save to confirm the deletion.
Changing IP Address Lease Times for a Subnet
You can change how long IP addresses in a subnet are available to client computers.
To change the lease time for a subnet address range:
1 In Server Admin, choose DHCP from the Computers & Services list.
2 Click Settings.
3 Select the Subnets tab.
4 Select a subnet range and click Edit.
5 Select the General tab.
6 Select a time scale from the Lease Time pop-up menu (hours, days, weeks, or months).
7 Enter a number in the Lease Time field.
8 Click Save.
Setting the DNS Server for a DHCP Subnet
You can decide which DNS servers and default domain name a subnet should use.
DHCP service provides this information to the client computers in the subnet.
To set DNS options for a subnet:
1 In Server Admin, choose DHCP from the Computers & Services list.
2 Click Settings.
3 Select the Subnets tab.
4 Select a subnet and click Edit.
5 Select the DNS tab.
6 Enter the default domain of the subnet.
7 Enter the primary and secondary name server IP addresses you want DHCP clients to
use.
8 Click Save.
LL2351.Book Page 12 Monday, September 8, 2003 2:47 PM