DHCP服务器配置

DHCP安装1

1:首先安装dhcp-3.0.5-18.el5包
2：安装过后然后通过rpm -qc dhcp 查看他可以配置的文档
3：找到/etc/dhcpd.conf这个文档并且编辑
4：用vim编辑器编辑 vim /etc/dhcpd.conf
进去之后看到此文本是空的，不过可以看到注释的一句话 （#   see /usr/share/doc/dhcp*/dhcpd.conf.sample ）大概意思是：参考/usr/share/doc/dhcp*/dhcpd.conf.sample
5：参考上步的/usr/share/doc/dhcp*/dhcpd.conf.sample文档，在vim etc/dhcpd.conf中执行：r /usr/share/doc/dhcp*/dhcpd.conf.sample 读取这个文档中的内容
6：修改现在的/etc/dhcpd.conf文档
1 #
  2 # DHCP Server Configuration file.
  3 #   see /usr/share/doc/dhcp*/dhcpd.conf.sample 
  4 #
  5 ddns-update-style interim;
  6 ignore client-updates;
  7 option domain-name-servers 222.88.88.88,222.85.85.85;                                        （超级作用域的DNS服务器）
  8 subnet 192.168.60.0 netmask 255.255.255.0 {                                                   （一个普通作用域的网段，子网掩码）
  9
 10 # --- default gateway
 11         option routers                  192.168.60.254;                                         （网关）
 12         option subnet-mask              255.255.255.0;                                           （子网掩码）
 13
 14         option nis-domain               "domain.org";
 15         option domain-name              "test";                                                   （作用域的名字）
 16         filename                        "pxelinux.0";
 17         option time-offset              -18000; # Eastern Standard Time
 18 #       option ntp-servers              192.168.1.1;
 19 #       option netbios-name-servers     192.168.1.1;
 20 # --- Selects point-to-point node (default is hybrid). Don't change this unless
 21 # -- you understand Netbios very well
 22 #       option netbios-node-type 2;
 23
 24         range dynamic-bootp 192.168.60.1 192.168.60.10;
 25         default-lease-time 21600;
 26         max-lease-time 43200;
 27
 28         # we want the nameserver to appear at a fixed address
 29         #host AAA{
 30         #       next-server marvin.redhat.com;
 31         #       hardware ethernet 00:0C:29:68:2F:9D;
 32         #       fixed-address 192.168.60.2;
 33         #}
 34 }
 35 subnet 192.168.70.0 netmask 255.255.255.0 {
 36
 37 # --- default gateway
 38         option routers                  192.168.70.254;
 39         option subnet-mask              255.255.255.0;
 40
 41         option nis-domain               "domain.org";
 42         option domain-name              "test1";
 43         filename                        "pxelinux.0";
 44         option time-offset              -18000; # Eastern Standard Time
 45 #       option ntp-servers              192.168.1.1;
 46 #       option netbios-name-servers     192.168.1.1;
 47 # --- Selects point-to-point node (default is hybrid). Don't change this unless
 48 # -- you understand Netbios very well
 49 #       option netbios-node-type 2;
 50
 51         range dynamic-bootp 192.168.70.1 192.168.70.10;
 52         default-lease-time 21600;
 53         max-lease-time 43200;
 54
 55         # we want the nameserver to appear at a fixed address
 56 #       host AAA{
 57 #               next-server marvin.redhat.com;
 58 #               hardware ethernet 00:0C:29:68:2F:9D;
 59 #               fixed-address 192.168.60.2;
 60 #       }
 61 }
 62 subnet 192.168.10.0 netmask 255.255.255.0 {                                           （62-63这是一个空作用域，主要是为了匹配主机的IP地址）
 63 }
其中#表示注释部分
这是本人机器上的dhcp配置，里面需要做部分修改，我在这里做了两个作用域一个都是192.168.60.0网段的，另一个是192.168.70.0网段的，也可以把他们做成一个超级作用域不过要添加一条命令
在第7行后面添加一行“shared-network AAA(超级作用域的名字){ ”,然后在最后一行再写一行“}”，最后wq保存退出。