DHCP服务器配置

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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。

作者“愚人小记”

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