Appendix C: Bulk Configuration or Firmware Upgrade via DHCP/TFTP456 All required configuration files are available in the TFTP rootdirectory. See Bulk Configuration/Upgrade Procedure (on page454).If you are going to upload any EMX diagnostic file or create a log file inthe TFTP server, the first of the following requirements is also required. The TFTP server supports the write operation, including file creationand upload.In Linux, provide the option "-c" for write support. Required for uploading the diagnostic file only - the timeout forfile upload is set to one minute or larger.DHCP IPv4 Configuration in WindowsFor those EMX devices using IPv4 addresses, follow this procedure toconfigure your DHCP server. The following illustration is based onMicrosoft® Windows Server 2012 system.Required Windows IPv4 settings in DHCP:1. Add a new vendor class for Raritan EMX under IPv4.a. Right-click the IPv4 node in DHCP to select Define VendorClasses.b. Click Add to add a new vendor class.c. Specify a unique name for this vendor class and type the binarycodes of "Raritan PDU 1.0" in the New Class dialog.