dhcpd.conf:

allow booting;
allow bootp;
option domain-name "somedomain";
option domain-name-servers 10.6.0.10, 10.6.0.11, 10.6.0.16, 10.6.0.17;
option ntp-servers 10.6.0.16, 10.6.0.17;
# Lease time - 7 days (604800 seconds)
max-lease-time 604800;
default-lease-time 604800;
get-lease-hostname;
filename "el6/pxelinux.0";
log-facility local1;

# The next-server line is required even though we point to ourselves.
# Resolves some issues relating to pxeboot across subnets.
next-server 10.6.48.23;

omapi-port 7911;
key omapi_key {
  algorithm HMAC-MD5;
  secret "*";
}
omapi-key omapi_key;

#!------------------------------------------------------------------!#
# Include additional files - append new includes when you start a new
# pool or application group
#!------------------------------------------------------------------!#

include "/etc/dhcp/conf.d/linux.leases";
include "/etc/dhcp/conf.d/solr.leases";
include "/etc/dhcp/conf.d/dev.leases";
include "/etc/dhcp/conf.d/qa.leases";
include "/etc/dhcp/conf.d/journaling.leases";
include "/etc/dhcp/conf.d/idrac.leases";
include "/etc/dhcp/conf.d/pdu.leases";

#!------------------------------------------------------------------!#
# Master Lease section
# Specify scopes, pools, and pool options below
#!------------------------------------------------------------------!#


# vlan-name: prod_somenet_01
# vlan-id: 1000
# Description: Some-VLAN-Network
subnet 10.6.16.0   netmask 255.255.255.0 {
    authoritative;
    option routers 10.6.16.1;
    pool {
        range 10.6.16.101 10.6.16.253;
        ignore unknown-clients;
        max-lease-time 86400;
    }
}





config.d/linux.conf:

# Generic Linux host leases

group {
  use-host-decl-names on;
  option domain-name "somedomain.com";


host somehost01.somedomain.com { hardware ethernet 00:50:56:b6:32:34; fixed-address somehost01.somedomain.com; }
host somehost02.somedomain.com { hardware ethernet 00:50:56:b6:6d:4e; fixed-address somehost02.somedomain.com; }
host somehost03.somedomain.com { hardware ethernet 00:50:56:b6:6b:e8; fixed-address somehost03.somedomain.com; }
host somehost04.somedomain.com { hardware ethernet 00:50:56:b6:7d:b7; fixed-address somehost04.somedomain.com; }

}