Once you have the TFTP server configured, the next step is to configure the DHCP server with the scope options 66 and 67.
Configure the TFTP server as explained in the recipe Configuring a TFTP Server with Auto Deploy files. Also, you will need a DHCP server available in the subnet of which the ESXi hosts' management network will be a part of.
The following steps will help you create a new DHCP scope and configure it with the TFTP information. However, if you already have an existing scope servicing the subnet, then you could start at step 12, to configure the scope options. Perform the following steps: