> I already know that by using hardware ethernet and fixed address. It is > very much complicated when I am using TFTP and BOOTP. I have to give > the all the 75 Nodes hardware address and IP. Is there any way of > giving the Hardware address in a file If that computer asking for IP > having the hardware address, the DHCP server has to allocate the IP > from a pool of address. Yes, this is exactly what BOOTP does -- statically-defined IP's by hardware address dynamically assigned when the machine boots. It's the predecessor to DHCP. So what's the problem that you're having? John -- # John Madden, weez@xxxxxxxxxxxxxxxx # Shameless plug: MailandFiles.com - Premium E-Mail and Files