DHCP Settings

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DHCP Settings

  • It is important to know that versions 0.32 and below use pxelinux.0 for option 67 in DHCP
  • For all versions 0.33 to current(1.3.0beta) use undionly.kpxe for option 67.
    • Other files that can be used are undionly.kkpxe

FOG internal DHCP

  1. FOG 0.1-->0.32
    • Go to your DHCP and confirm that option 67 is set to pxelinux.0
  2. Fog 0.33-->1.x.x
    • Go to your DHCP and confirm that option 67 is set to undionly.kpxe

Red Hat based Linux (Red Hat, Fedora, CentOS)


Configure DHCP

FOG dnsmasq (ProxyDHCP)


If you do not use FOG to provide DHCP services, the following sections will give some indication of settings for DHCP servers on various platforms.

Windows Server DHCP

  • Option 66
    • Windows 66.png
  • Option 67
    • Windows 67.png

Novell (Linux) Server DHCP

  • DHCP Overview from DNS/DHCP Console (Netware 6.5)
    • Novelldhcp.gif
  • Option 66
    • Novelloption66.gif
  • Option 67
    • Novelloption67.gif


Use OS X Server app to install and utilize DHCP.

Use DHCP Option Code Utility to generate the code necessary.

One MUST generate the codes in order for PXE booting to work!
bootpd.plist is located in /etc/bootpd.plist

  • Option 66
    • MACOption66.png
  • Option 67
    • MACOption67.png

  • Sample bootpd.plist
    • This is a sample file DO NOT USE THIS IN YOUR ENVIRONMENT!!!! OS X Server app will generate most of this code for you, this example file is to show you the place where the generated code needs to be placed.
    • For Reference, your generated code should be placed between "dhcp_domain_search" and "dhcp_router"

  • Completed Bootpd.plist
    • MACbootpd.png