Description of problem:
Attempting to create DHCP server set up for PXE server. type command service
dhcpd start and it fails. 

Version-Release number of selected component (if applicable):
Internet Systems Consortium DHCP Server V3.0.6-Fedora

How reproducible:
attempt to launch DHCP with enclosed .conf file 

Steps to Reproduce:
1.
2.
3.
  
Actual results:
Apr 21 15:50:58 localhost dhcpd: 
Apr 21 15:50:58 localhost dhcpd: ** You must add a global ddns-update-style
statement to /etc/dhcpd.conf.
Apr 21 15:50:58 localhost dhcpd:    To get the same behaviour as in 3.0b2pl11
and previous
Apr 21 15:50:58 localhost dhcpd:    versions, add a line that says
"ddns-update-style ad-hoc;"
Apr 21 15:50:58 localhost dhcpd:    Please read the dhcpd.conf manual page for
more information. **
Apr 21 15:50:58 localhost dhcpd: 
Apr 21 15:50:58 localhost dhcpd: This version of ISC DHCP is based on the
release available
Apr 21 15:50:58 localhost dhcpd: on ftp.isc.org.  Features have been added and
other changes
Apr 21 15:50:58 localhost dhcpd: have been made to the base software release in
order to make
Apr 21 15:50:58 localhost dhcpd: it work better with this distribution.
Apr 21 15:50:58 localhost dhcpd: 
Apr 21 15:50:58 localhost dhcpd: Please report for this software via the Red Hat
Bugzilla site:
Apr 21 15:50:58 localhost dhcpd:     http://bugzilla.redhat.com
Apr 21 15:50:58 localhost dhcpd: 
Apr 21 15:50:58 localhost dhcpd: exiting.
Apr 21 16:10:08 localhost dhcpd: Internet Systems Consortium DHCP Server
V3.0.6-Fedora
Apr 21 16:10:08 localhost dhcpd: Copyright 2004-2007 Internet Systems Consortium.
Apr 21 16:10:08 localhost dhcpd: All rights reserved.
Apr 21 16:10:08 localhost dhcpd: For info, please visit http://www.isc.org/sw/dhcp/
Apr 21 16:10:08 localhost dhcpd: /etc/dhcpd.conf line 25: subnet 192.168.20.2
netmask 255.255.255.0: bad subnet number/mask combination.
Apr 21 16:10:08 localhost dhcpd: subnet 192.168.20.2 netmask 255.255.255.0 
Apr 21 16:10:08 localhost dhcpd:                                         ^
Apr 21 16:10:08 localhost dhcpd: /etc/dhcpd.conf line 32: subnet 192.168.2.64
netmask 255.255.255.0: bad subnet number/mask combination.
Apr 21 16:10:08 localhost dhcpd: subnet 192.168.2.64 netmask 255.255.255.0 
Apr 21 16:10:08 localhost dhcpd:                                         ^
Apr 21 16:10:08 localhost dhcpd: Configuration file errors encountered -- exiting
Apr 21 16:10:08 localhost dhcpd: 
Apr 21 16:10:08 localhost dhcpd: This version of ISC DHCP is based on the
release available
Apr 21 16:10:08 localhost dhcpd: on ftp.isc.org.  Features have been added and
other changes
Apr 21 16:10:08 localhost dhcpd: have been made to the base software release in
order to make
Apr 21 16:10:08 localhost dhcpd: it work better with this distribution.
Apr 21 16:10:08 localhost dhcpd: 
Apr 21 16:10:08 localhost dhcpd: Please report for this software via the Red Hat
Bugzilla site:
Apr 21 16:10:08 localhost dhcpd:     http://bugzilla.redhat.com
Apr 21 16:10:08 localhost dhcpd: 
Apr 21 16:10:08 localhost dhcpd: exiting.
Apr 21 16:25:54 localhost dhcpd: Internet Systems Consortium DHCP Server
V3.0.6-Fedora
Apr 21 16:25:54 localhost dhcpd: Copyright 2004-2007 Internet Systems Consortium.
Apr 21 16:25:54 localhost dhcpd: All rights reserved.
Apr 21 16:25:54 localhost dhcpd: For info, please visit http://www.isc.org/sw/dhcp/
Apr 21 16:25:54 localhost dhcpd: /etc/dhcpd.conf line 25: subnet 192.168.20.2
netmask 255.255.255.0: bad subnet number/mask combination.
Apr 21 16:25:54 localhost dhcpd: subnet 192.168.20.2 netmask 255.255.255.0 
Apr 21 16:25:54 localhost dhcpd:                                         ^
Apr 21 16:25:54 localhost dhcpd: /etc/dhcpd.conf line 32: subnet 192.168.2.64
netmask 255.255.255.0: bad subnet number/mask combination.
Apr 21 16:25:54 localhost dhcpd: subnet 192.168.2.64 netmask 255.255.255.0 
Apr 21 16:25:54 localhost dhcpd:                                         ^
Apr 21 16:25:54 localhost dhcpd: Configuration file errors encountered -- exiting
Apr 21 16:25:54 localhost dhcpd: 
Apr 21 16:25:54 localhost dhcpd: This version of ISC DHCP is based on the
release available
Apr 21 16:25:54 localhost dhcpd: on ftp.isc.org.  Features have been added and
other changes
Apr 21 16:25:54 localhost dhcpd: have been made to the base software release in
order to make
Apr 21 16:25:54 localhost dhcpd: it work better with this distribution.
Apr 21 16:25:54 localhost dhcpd: 
Apr 21 16:25:54 localhost dhcpd: Please report for this software via the Red Hat
Bugzilla site:
Apr 21 16:25:54 localhost dhcpd:     http://bugzilla.redhat.com
Apr 21 16:25:54 localhost dhcpd: 
Apr 21 16:25:54 localhost dhcpd: exiting.


Expected results: DHCP to start 


Additional info: