Add DHCP Option 204 and the name of the network settings file in the settings file of the DHCP server.
Log in to the server as a network administrator.
Display the "/etc/dhcpd.conf" file.
Add DHCP Option 204 to the "dhcpd.conf" file.
When the name of the network settings file is "opt204.cfg", add the following text to the file:
option opt204 code 204 = string;
option opt204 "opt204.cfg";
An example of the "dhcpd.conf" file
Save the changed settings, and then log out of the server.