Configuration of PXELINUX

If the MAC address of the interface is 00:90:fb:0d:23:a0, then the first file fetched by TFTP from pxelinux.cfg will be named: 00-90-fb-0d-23-a0
If not found, and if PXELINUX was loaded on an interface with the address of 192.168.120.150, then the following files are attempted until one works:

If the MAC address of the interface is 00:90:fb:0d:23:a0, then the first file fetched by TFTP from pxelinux.cfg will be named: 00-90-fb-0d-23-a0