DHCP的全稱 Dynamic Host Configuration Protocol
安裝RPM包:
yum install dhcp
[root@test ~]# vi /etc/dhcp/dhcpd.conf
也可直接copy模板,修改一下即可:
[root@test ~]# cp -rf /usr/share/doc/dhcp-4.1.1/dhcpd.conf.sample /etc/dhcp/dhcpd.conf
[root@test ~]# cat /etc/dhcp/dhcpd.conf
#支持DDNS
ddns-update-style interim;
#忽略DDNS更新
ignore client-updates;
# A slightly different configuration for an internal subnet.
subnet 192.168.2.0 netmask 255.255.255.0 { #聲明作用域
option routers 192.168.2.201; #網關
option subnet-mask 255.255.255.0; #網關掩碼
option domain-name-servers 192.168.2.201; #給客戶機分配的DNS
option domain-name "test"; #DNS NAME
range 192.168.2.100 192.168.2.200; #供自動獲取的網段
default-lease-time 600;
max-lease-time 7200;
#固定IP分配
host RAC-2 { #需要分配固定IP的主機名
hardware ethernet 00:0c:29:83:b5:dc; #需要分配固定IP的服務器MAC地址
fixed-address 192.168.2.202; #需要分配的固定IP
}
}
[root@test ~]# cat /etc/sysconfig/dhcpd
# Command line options here
DHCPDARGS=eth0 #dhcpd啓動時所帶的網卡
重啓服務,即可使用
[root@test ~]# service dhcpd restart