@firej8 if your fog server and pxe booting client are on the same subnet you can use the fog server to eves drop on the pxe booting process. Here is a tutorial: https://forums.fogproject.org/topic/9673/when-dhcp-pxe-booting-process-goes-bad-and-you-have-no-clue
Upload the pcap file to a google drive or dropbox. If you are uncomfortable posting the link to the form use the forum direct message and send the link to either Sebastian or myself and we’ll take a look at the pcap and keep it private. When we have an answer then you are free to tear down the pcap from your google drive.