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Microsoft Windows Server 2003 provides various options to
configure in the DHCP server, which will be distributed to the DHCP clients.
Some of the well knows options are DNS domain name, Router, WINS, Time Server,
and so on. But, by default, some of the necessary options cannot be find in the
DHCP option properties. There are various addresses such as TFTP, HTTPS IPs are
needed for various setups such as CISCO and Avaya IP phones.
Here I will tell you how to
configure TFTP option for Cisco CallManager. Cisco CallManager devices boot up
and request an IP address. They also need additional information, such as the
default gateway and the TFTP Server IP Address (Option 150). This step-by-step
instruction provides details on how to configure all the necessary parameters
for the Windows 2003 DHCP Server.
In this scenario we have already configured DHCP
server, Scopes, and Scope option details such as DNS server, Router, and so on.
Then see how to configure TFTP option 150 in an existing DHCP.
Select Start > Programs > Administrative Tools > DHCP in order to go to
the DHCP Manager.
Right-click the server and select Set Predefined Options, then click Add.
Enter the Name as TFTP Server IP Address, Data Type is IP Address, Code is 150, and Description is TFTP Server IP Address
for CallManager Devices.
Click OK twice in order to complete the creation of Option 150. If you
right-click Scope
Options and select Configure Options, you can select Option 150 as an option to hand out to Devices.
Now, reboot your device and check if you are getting all the options you have configured.
