redhat5 DHCP

这个是在Redhat5上进行的DHCP服务器配置（我的主机IP是192.168.0.124）
以下可能用到的命令：
/etc/init.d/dhcpd restart  重新启动DHCP
/etc/dhcpd.conf            DHCP配置文件
/etc/sysconfig/network-scripts/ifcfg-eth0  配置网卡信息
more /var/lib/dhcpd/dhcpd.leases  可查看地址分配情况
ifdown eth0; ifup eth0     关闭和启动网卡
chkconfig --level 345 dhcpd on             使开机自动运行DHCP

 

1、配置网卡信息

2、复制dhcpd.conf.sample到/etc/dhcpd.conf
cp   /usr/share/doc/dhcp-3.0.5/dhcpd.conf.sample 
     /etc/dhcpd.conf

3、为单个子网配置DHCP，配置dhcpd.conf

vi /etc/dhcpd.conf      

#
# DHCP Server Configuration file.
# see /usr/share/doc/dhcp*/dhcpd.conf.sample 
#
ddns-update-style interim;
ignore client-updates;

subnet 192.168.0.0 netmask 255.255.255.0{
       range 192.168.0.11 192.168.0.100;
       option routers 192.168.0.1;
       option subnet-mask 255.255.255.0;
       option domain-name "gdvcp.net";
       option domain-name-servers 192.168.0.124;
       option broadcast-address 192.168.0.255;
       default-lease-time 86400;
       max-lease-time 172800;
       host pc1{
         hardware ethernet 00:0C:29:E8:EC:44;
         fixed-address 192.168.0.12;
               }
}

重新启动DHCP，在另外一台机上检测
OK!

 

如果为多个子网配置DHCP

shared-network multi-net{
       option subnet-mask 255.255.255.0;
       option domain-name "gdvcp.net";
       option domain-name-servers 192.168.0.124;
       default-lease-time 86400;
       max-lease-time 172800;
 subnet 192.168.0.0 netmask 255.255.255.0{
       range 192.168.0.11 192.168.0.100;
       option routers 192.168.0.1;
       option broadcast-address 192.168.0.255;
       host pc1{
         hardware ethernet 00:0C:29:E8:EC:44;
         fixed-address 192.168.0.12;
               }
    }
   --------在这里可以再增加另外要分配的子网和参数

 

}

 

 

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