Linux与云计算——第二阶段 第二章：DHCP服务器架设

Linux与云计算——第二阶段Linux服务器架设

第二章：DHCP服务器架设

1.配置DHCP服务器

配置DHCP ( Dynamic Host Configuration Protocol ) 服务器. DHCP使用UDP端口67.

[1] 安装并配置DHCP服务器.

[[email protected] ~]# yum -y install dhcp

[[email protected] ~]# vim /etc/dhcp/dhcpd.conf

# 创建一个新文件

# 指定域名

option domain-name "example.com";

# 指定域名服务器的主机名或IP地址

option domain-name-servers 8.8.8.8;

# 默认的租期

default-lease-time 600;

# 最大租期

max-lease-time 7200;

# DHCP服务器被通告为可用服务器

authoritative;

# 指定网络地址和子网掩码；

subnet 192.168.96.0 netmask 255.255.255.0 {

# 指定分配的地址范围

range dynamic-bootp 192.168.96.150 192.168.96.180;

# 指定广播地址

option broadcast-address 192.168.96.255;

# 指定默认网关

option routers 192.168.96.2;

}

[[email protected] ~]# systemctl start dhcpd

[[email protected] ~]# systemctl enable dhcpd

2.配置DHCP客户端
配置DHCP客户端. DHCP客户端使用UDP端口68完成通信.

[1] 在CentOS上，使用下面的方法完成配置. (将配置中enoxxxx修改成你自己的网卡名字)

[[email protected] ~]# nmcli c modify eno16777736 ipv4.method auto

[[email protected] ~]# nmcli c down eno16777736;nmcli c up eno16777736

Connection ‘eno16777736‘ successfully deactivated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/1)

Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/2)

[[email protected] ~]# ip a

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

inet 127.0.0.1/8 scope host lo

valid_lft forever preferred_lft forever

inet6 ::1/128 scope host

valid_lft forever preferred_lft forever

2: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000

link/ether 00:0c:29:60:33:58 brd ff:ff:ff:ff:ff:ff

inet 192.168.96.150/24 brd 192.168.96.255 scope global dynamic eno16777736

valid_lft 541sec preferred_lft 541sec

inet6 fe80::20c:29ff:fe60:3358/64 scope link

valid_lft forever preferred_lft forever

再来看一下如何在Windows上配置DHCP客户端

选中TCP/IPv4