没有太多可以说的，直接列代码：

[root@center-me ~]# cat /etc/dhcp/dhcpd.conf 
# ******************************************************************
# Cobbler managed dhcpd.conf file
# generated from cobbler dhcp.conf template (Wed Feb 15 05:16:13 2017)
# Do NOT make changes to /etc/dhcpd.conf. Instead, make your changes
# in /etc/cobbler/dhcp.template, as /etc/dhcpd.conf will be
# overwritten.
# ******************************************************************

ddns-update-style interim;

allow booting;
allow bootp;

ignore client-updates;
set vendorclass = option vendor-class-identifier;

option pxe-system-type code 93 = unsigned integer 16;

subnet 10.158.1.0 netmask 255.255.255.0 {
     #option routers             10.158.1.5;
     option routers             10.158.0.1;
     #option domain-name-servers 10.158.1.1;
     option domain-name-servers 114.114.114.114;
     option subnet-mask         255.255.255.0;

     range dynamic-bootp        10.158.1.45 10.158.1.254;

     host oms13c {
       hardware ethernet 00:50:56:84:63:56;
       fixed-address 10.158.1.116;
     }


     default-lease-time         21600;
     max-lease-time             43200;
     next-server                10.158.1.99;
     class "pxeclients" {
          match if substring (option vendor-class-identifier, 0, 9) = "PXEClient";
          if option pxe-system-type = 00:02 {
                  filename "ia64/elilo.efi";
          } else if option pxe-system-type = 00:06 {
                  filename "grub/grub-x86.efi";
          } else if option pxe-system-type = 00:07 {
                  filename "grub/grub-x86_64.efi";
          } else {
                  filename "pxelinux.0";
          }
     }

}

# group for Cobbler DHCP tag: default
group {
}

[root@center-me ~]#

——————————————
Done。