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66 4600 Series IP Telephone LAN Administrator Guide
Windows NT 4.0 DHCP Server
This section contains details on how to verify and configure the DHCP server included in the
Windows NT
®
4.0 server operating system.
Use Verifying the Installation of the DHCP Server
to verify whether the DHCP server is installed.
If it is not, install the DHCP server. If it is installed, go to the section Initial Configuration
on
page 66 and the subsequent sections.
Verifying the Installation of the DHCP Server
Use the following procedure to verify whether the DHCP server is installed.
1. Select Start-->Settings-->Control Panel.
2. Double-click the Network icon.
3. Verify that Microsoft DHCP Server is listed as one of the Network Services on the
Services tab.
4. If it is listed, go to the following section, Initial Configuration
. If it is not listed, then install
the DHCP server.
Initial Configuration
The Windows NT
®
4.0 DHCP server configuration involves setting up a scope for the IP
telephone. A DHCP scope is essentially a grouping of IP devices, in this case IP telephones,
running the DHCP client service in a subnet. The scope defines parameters for each subnet.
Each scope has the following properties:
● A unique subnet mask used to determine the subnet related to a given IP address.
● A scope name assigned by the administrator when the scope is created.
● Lease duration values to be assigned to DHCP clients with dynamic addresses.
In addition, the DHCP server can assign configuration parameters to a client, and these can be
specified for each DHCP scope.
Setting up the Windows NT
®
4.0 DHCP server requires the following steps:
1. Creating a DHCP scope for the IP telephones.
2. Editing custom options.
3. Adding the DHCP options.
4. Activating the new scope.
5. Verifying your configuration.
Each step is detailed in the next five sub-sections.