2015年08月31日

2015-08-31

实验:
CentOS 6.5 / DHCP Server 4.1.1-P1

1 2	#yum -y install dhcp #cp /usr/share/doc/dhcp-4.1.1/dhcpd.conf.sample /etc/dhcp/dhcpd.conf

ddns-update-style interim; 
log-facility local7; 
subnet 192.168.0.0 netmask 255.255.255.0 { 
  range 192.168.0.111 192.168.0.200;     #分配IP与DHCP服务器要在同一个网段 
  option domain-name-servers 192.168.0.12;       #DNS的ip地址 
  option domain-name "unravel.com";      #DNS域名 
  option routers 192.168.0.1; 
  option broadcast-address 192.168.0.255; 
  default-lease-time 21600; 
  max-lease-time 43200; 
}

指定主机给其分配ip

host boss {                                     boss为主机名，随便取； 
  hardware ethernet 00:0C:29:6D:A7:F2;        主机网卡的mac地址； 
  fixed-address 192.168.0.10;                   给其分配的ip； 
}

可能出现的状况:(不过一般出错，就是配置不正确，另外就是dhcpd.conf没放正确位置)

1	#service dhcpd start

[failure]

1	#tail -n 25 /var/log/messages

Can’t chown new lease file: Operation not permitted

1	#vim /etc/rc.d/init.d/dhcpd

user=dhcpd
group=dhcpd
改为
user=root
group=root

1	#service dhcpd start即可；

1	#netstat -ntulp

udp 0 0 0.0.0.0:67 0.0.0.0:* 5346/dhcpd