To create Option 78 for a Centralized site:
        
- Go to .
 - Right-click the server node, and
                    select Set predefined
                        options.
 - Select Add, and
                    configure the following parameters:
                    - Name
 - Provide a name for the option, for example SLP
                                    DA.
 - Data Type
 - Set the data type to Byte
                                and select the Array
                                check box.
 - Code
 - 78
 - Description
 - Optional description. For example, 
Extreme Networks
                                    SLP Discovery. 
                    Option Type
                  - Select OK.
 - Select Edit Array and enter the IP address per octet. 
                    DHCP Option 78 Array Decimal Values
                  - Select OK.