1、OS系统版本 
[root@server ~]# more /etc/redhat-release 
Red Hat Enterprise Linux AS release 4 (Nahant Update 4) 
2、查看系统是否已经安装DHCP服务端软件 
[root@server ~]# rpm -qa | grep dhcp 
dhcpv6_client-0.10-14_EL4 
3、将光盘mount上去,然后安装DHCP服务端软件 
[root@server ~]# mount /media/cdrom 
mount: block device /dev/hdc is write-protected, mounting read-only 
[root@server RPMS]# find /media/cdrom -name "dhcp*" 
/media/cdrom/RedHat/RPMS/dhcpv6-0.10-14_EL4.i386.rpm 
/media/cdrom/RedHat/RPMS/dhcpv6_client-0.10-14_EL4.i386.rpm 
/media/cdrom/RedHat/RPMS/dhcp-3.0.1-58.EL4.i386.rpm 
/media/cdrom/RedHat/RPMS/dhcp-devel-3.0.1-58.EL4.i386.rpm 
[root@server RPMS]# rpm -ivh /media/cdrom/RedHat/RPMS/dhcp-3.0.1-58.EL4.i386.rpm 
[root@server RPMS]# rpm -qa | grep dhcp 
dhcp-3.0.1-58.EL4 
dhcpv6_client-0.10-14_EL4 
到这儿已经安装成功了,哈哈 
4、查看一下,都有那些文件 
[root@server RPMS]# rpm -ql grep dhcp 
... 
/etc/dhcpd.conf ----------------------------dhcp配置文件 
/etc/rc.d/init.d/dhcpd 
/etc/rc.d/init.d/dhcrelay 
/etc/sysconfig/dhcpd 
/etc/sysconfig/dhcrelay 
/usr/bin/omshell 
/usr/sbin/dhcpd 
/usr/sbin/dhcrelay 
/usr/share/doc/dhcp-3.0.1 
/usr/share/doc/dhcp-3.0.1/README 
/usr/share/doc/dhcp-3.0.1/RELNOTES 
/usr/share/doc/dhcp-3.0.1/dhcpd.conf.sample-----dhcp配置文件的模板 
/usr/share/man/man1/omshell.1.gz 
/usr/share/man/man5/dhcp-eval.5.gz 
/usr/share/man/man5/dhcpd.conf.5.gz 
/usr/share/man/man5/dhcpd.leases.5.gz 
/usr/share/man/man8/dhcpd.8.gz 
/usr/share/man/man8/dhcrelay.8.gz 
/var/lib/dhcp 
/var/lib/dhcp/dhcpd.leases -----------------分配IP的那个日志文件 
5、[root@server RPMS]# more /etc/dhcpd.conf 
这儿有没有什么东东的,还是把模板文件COPY过来吧 
[root@server RPMS]# cp /usr/share/doc/dhcp-3.0.1/dhcpd.conf.sample /etc/dhcpd.conf 
6、查看配置文件,并根据自己的要求更改 
[root@server RPMS]# more /etc/dhcpd.conf 
ddns-update-style interim; 
ignore client-updates; 
subnet 192.168.0.0 netmask 255.255.255.0 { 
# --- default gateway 
option routers 192.168.0.1; 
option subnet-mask 255.255.255.0; 
# option nis-domain "domain.org"; 
option domain-name "wiscom.com.cn"; 
option domain-name-servers 219.141.136.10,211.147.6.3; 
option time-offset -18000; # Eastern Standard Time 
# option ntp-servers 192.168.1.1; 
# option netbios-name-servers 192.168.1.1; 
# --- Selects point-to-point node (default is hybrid). Don't change this unless 
# -- you understand Netbios very well 
# option netbios-node-type 2; 
range dynamic-bootp 192.168.0.128 192.168.0.254; 
default-lease-time 21600; 
max-lease-time 43200; 
# we want the nameserver to appear at a fixed address 
host ns { 
next-server marvin.redhat.com; 
hardware ethernet 12:34:56:78:AB:CD; 
fixed-address 207.175.42.254; 
} 
} 
上面都已经很明了,该配置的都配置了 
7、启动DHCP服务器啦 
[root@server RPMS]# service dhcpd start 
Starting dhcpd: [ OK ] 
8、查看日志,看看是否有错 
[root@server RPMS]# tail -20 /var/log/messages 
Dec 9 18:05:19 server dhcpd: Wrote 0 deleted host decls to leases file. 
Dec 9 18:05:19 server dhcpd: Wrote 0 new dynamic host decls to leases file. 
Dec 9 18:05:19 server dhcpd: Wrote 0 leases to leases file. 
Dec 9 18:05:19 server dhcpd: Internet Systems Consortium DHCP Server V3.0.1 
Dec 9 18:05:19 server dhcpd: 
Dec 9 18:05:19 server dhcpd: Copyright 2004 Internet Systems Consortium. 
Dec 9 18:05:19 server dhcpd: All rights reserved. 
Dec 9 18:05:19 server dhcpd: For info, please visit http://www.isc.org/sw/dhcp/
Dec 9 18:05:19 server dhcpd: Wrote 0 deleted host decls to leases file. 
Dec 9 18:05:19 server dhcpd: Wrote 0 new dynamic host decls to leases file. 
Dec 9 18:05:19 server dhcpd: Listening on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24 
Dec 9 18:05:19 server dhcpd: Wrote 0 leases to leases file. 
Dec 9 18:05:19 server dhcpd: Listening on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24 
Dec 9 18:05:19 server dhcpd: Sending on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24 
Dec 9 18:05:19 server dhcpd: Sending on LPF/eth0/00:0c:29:c5:06:fc/192.168.0/24 
Dec 9 18:05:19 server dhcpd: 
Dec 9 18:05:19 server dhcpd: Sending on Socket/fallback/fallback-net 
Dec 9 18:05:19 server dhcpd: Sending on Socket/fallback/fallback-net 
Dec 9 18:05:19 server dhcpd: 
Dec 9 18:05:20 server dhcpd: dhcpd startup succeeded