How to setup your PXE/TFTP server can be found in the
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Storage_Administration_Guide/[Red
-Hat Enterprise Linux Storage Administration Guide].
+Hat Enterprise Linux 6 Storage Administration Guide]
+or http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Storage_Administration_Guide/[Red
+Hat Enterprise Linux 7 Storage Administration Guide].
If you specify ip=auto on the kernel command line, then dracut asks a dhcp
server about the ip adress for the machine. The dhcp server can also serve an