bashdnf install dhcp-server -y
bashcp /usr/share/doc/dhcp-server/dhcpd.conf.example /etc/dhcp/dhcpd.conf
默认样板如下
bash# dhcpd.conf
#
# Sample configuration file for ISC dhcpd
#
# option definitions common to all supported networks...
option domain-name "example.org";
option domain-name-servers ns1.example.org, ns2.example.org;
default-lease-time 600;
max-lease-time 7200;
# Use this to enble / disable dynamic dns updates globally.
#ddns-update-style none;
# If this DHCP server is the official DHCP server for the local
# network, the authoritative directive should be uncommented.
#authoritative;
# Use this to send dhcp log messages to a different log file (you also
# have to hack syslog.conf to complete the redirection).
log-facility local7;
# No service will be given on this subnet, but declaring it helps the
# DHCP server to understand the network topology.
subnet 10.152.187.0 netmask 255.255.255.0 {
}
# This is a very basic subnet declaration.
subnet 10.254.239.0 netmask 255.255.255.224 {
range 10.254.239.10 10.254.239.20;
option routers rtr-239-0-1.example.org, rtr-239-0-2.example.org;
}
# This declaration allows BOOTP clients to get dynamic addresses,
# which we don't really recommend.
subnet 10.254.239.32 netmask 255.255.255.224 {
range dynamic-bootp 10.254.239.40 10.254.239.60;
option broadcast-address 10.254.239.31;
option routers rtr-239-32-1.example.org;
}
# A slightly different configuration for an internal subnet.
subnet 10.5.5.0 netmask 255.255.255.224 {
range 10.5.5.26 10.5.5.30;
option domain-name-servers ns1.internal.example.org;
option domain-name "internal.example.org";
option routers 10.5.5.1;
option broadcast-address 10.5.5.31;
default-lease-time 600;
max-lease-time 7200;
}
# Hosts which require special configuration options can be listed in
# host statements. If no address is specified, the address will be
# allocated dynamically (if possible), but the host-specific information
# will still come from the host declaration.
host passacaglia {
hardware ethernet 0:0:c0:5d:bd:95;
filename "vmunix.passacaglia";
server-name "toccata.example.com";
}
# Fixed IP addresses can also be specified for hosts. These addresses
# should not also be listed as being available for dynamic assignment.
# Hosts for which fixed IP addresses have been specified can boot using
# BOOTP or DHCP. Hosts for which no fixed address is specified can only
# be booted with DHCP, unless there is an address range on the subnet
# to which a BOOTP client is connected which has the dynamic-bootp flag
# set.
host fantasia {
hardware ethernet 08:00:07:26:c0:a5;
fixed-address fantasia.example.com;
}
# You can declare a class of clients and then do address allocation
# based on that. The example below shows a case where all clients
# in a certain class get addresses on the 10.17.224/24 subnet, and all
# other clients get addresses on the 10.0.29/24 subnet.
class "foo" {
match if substring (option vendor-class-identifier, 0, 4) = "SUNW";
}
shared-network 224-29 {
subnet 10.17.224.0 netmask 255.255.255.0 {
option routers rtr-224.example.org;
}
subnet 10.0.29.0 netmask 255.255.255.0 {
option routers rtr-29.example.org;
}
pool {
allow members of "foo";
range 10.17.224.10 10.17.224.250;
}
pool {
deny members of "foo";
range 10.0.29.10 10.0.29.230;
}
}
汉化样板参考
bash#-----------------------------------------------
# 一、全局配置
#-----------------------------------------------
# 1.默认租约时间，单位为秒
default-lease-time 600;
# 2.最大租约时间，单位为秒
max-lease-time 7200;
# 3.是否允许动态更新dns，以及更新方式
ddns-update-style none;
# 4.日志输出路径和级别
log-facility local7;
#-----------------------------------------------
# 二、DHCP配置模板范例
#-----------------------------------------------
# 每次只使用一个范例进行配置
# 范例1.简单配置（仅声明网段，分配全网段可用IP）
#subnet <subnet ip> netmask 255.255.255.0 {
#}
# 范例2.静态IP配置（连续）
#subnet <subnet ip> netmask 255.255.255.0 {
# range <subnet ip range start> <subnet ip range end>; #地址范围
# option routers <router ip>; #网关地址
# option domain-name-servers <DNS IP>; #DNS地址
#}
# 范例3.静态IP配置（分段）
#subnet <subnet ip> netmask 255.255.255.0 {
# range <subnet ip range1 start> <subnet ip range1 end>; #地址范围1
# range <subnet ip range2 start> <subnet ip range2 end>; #地址范围2
# option routers <router ip>; #网关地址
# option domain-name-servers <DNS IP>; #DNS地址
#}
# 范例4.动态IP配置
#subnet <subnet ip> netmask 255.255.255.0 {
# range dynamic-bootp <dynamic ip range start> <dynamic ip range end>; #动态地址范围
# option routers <router ip>; #网关地址
# option domain-name-servers <dns ip>; #DNS地址
#}
# 范例5.子网IP配置
#subnet <subnet ip> netmask 255.255.255.0 {
# range <subnet ip range start> <subnet ip range end>; #子网地址范围
# option domain-name-servers <dns ip>; #DNS地址
# option domain-name <domain name>; #DNS域名
# option routers <router ip>; #网关地址
# option broadcast-address <broadcast ip>; #广播地址
# }
#-----------------------------------------------
# 三、保留IP地址配置(需搭配subnet使用）
#-----------------------------------------------
host pc1 {
hardware ethernet <hardware ip>; #指定物理设备的MAC地址(按实际修改）
fixed-address <fix ip>; #指定分配的IP地址
}
bash#-----------------------------------------------
# 一、全局配置
#-----------------------------------------------
# 1.默认租约时间，单位为秒
default-lease-time 600;
# 2.最大租约时间，单位为秒
max-lease-time 7200;
# 3.是否允许动态更新dns，以及更新方式
ddns-update-style none;
# 4.日志输出路径和级别
log-facility local7;
#-----------------------------------------------
# 二、DHCP配置模板范例
#-----------------------------------------------
# 每次只使用一个范例进行配置
# 范例1.简单配置（仅声明网段，分配全网段可用IP）
#subnet 192.168.1.0 netmask 255.255.255.0 {
#}
# 范例2.静态IP配置（连续）
#subnet 192.168.1.0 netmask 255.255.255.0 {
# range 192.168.1.10 192.168.1.20; #地址范围
# option routers 192.168.1.1; #网关地址
# option domain-name-servers 192.168.20.1; #DNS地址
#}
# 范例3.静态IP配置（分段）
#subnet 192.168.1.0 netmask 255.255.255.0 {
# range 192.168.1.50 192.168.1.100; #地址范围1
# range 192.168.1.150 192.168.1.200; #地址范围2
# option routers 192.168.1.1; #网关地址
# option domain-name-servers 114.114.114.114; #DNS地址
#}
# 范例4.动态IP配置
#subnet 192.168.1.0 netmask 255.255.255.0 {
# range dynamic-bootp 192.168.1.30 192.168.1.40; #动态地址范围
# option routers 192.168.1.1; #网关地址
# option domain-name-servers 114.114.114.114; #DNS地址
#}
# 范例5.子网IP配置
subnet 192.168.1.0 netmask 255.255.255.0 {
range 192.168.1.50 192.168.1.100; #子网地址范围
option domain-name-servers 1.1.1.1; #DNS地址
option domain-name "www.dhcpexample.com"; #DNS域名
option routers 192.168.1.1; #网关地址
option broadcast-address 192.168.1.254; #广播地址
}
#-----------------------------------------------
# 三、保留IP地址配置(需搭配subnet使用）
#-----------------------------------------------
host pc1 {
hardware ethernet 00:0C:29:3D:EC:DA; #指定物理设备的MAC地址(按实际修改）
fixed-address 192.168.1.35; #指定分配的IP地址
}
bashfirewall-cmd --add-service=dhcp setenforce 0 systemctl restart dhcpd