Build a Linux DHCP server

requirements, 1 , DHCP of the IP192.168.1.252

2 , Distribution 192.168.1.10-200 of the IP address,

3 , A Host, fixed IP

A 00:0c:29:a8:43:f0 192.168.1.100

Steps:

First, installation DHCP Service

RPM-IVH dhcp-3 (tab)

Second, the configuration file

1 , configure the native IP Address

Vim/etc/sysconfig/network-scripts/ifcfg-eth0 Permanent Configuration

Device=eth0

Bootproto=static

ipaddr=192.168.1.252

netmask=255.255.255.0

gatemay=192.168.1.1

Hwaddr=00:0c:29:a8:43:f0

Onboot=yes

ifconfig eth0 192.168.1.252/24 Temporary configuration (invalid restart)

1 , Configuration DHCP

vim/etc/dhcpd.conf DHCP Master configuration file

Ddns-update-style Interim;

Ignore client-updates;

Subnet 192.168.1.0 netmask 255.255.255.0 { network segment

option routers 192.168.1.1; Gateway

option Subnet-mask 255.255.255.0; Mask

Optionnis-domain "domain.org";

option Domain-name "tarena.com"; Domain name

Option Domain-name-servers 202.160.0.20; Dns

Option time-offset-18000; # Eastern Standard Time

range DYNAMIC-BOOTP 192.168.1.20 192.168.1.200; Address Pool

default-lease-time 21600; Default Lease Period

max-lease-time 43200; Maximum lease period

# We want the nameserver to appear at a fixed address

Host NS {

Next-server marvin.redhat.com;

Hardwareethernet 12:34:56:78:AB:CD;

Fixed-address 207.175.42.254;

}

}

Host Post {

Next-server marvin.redhat.com;

hardware Ethernet 00:0c:29:a8:43:f0; // Specify MAC address, assigning it the following IP

Fixed-address 192.168.1.100;

}

Service DHCPD Restart Restart Service

CHKCONFIGDHCPD on Power-on self-booting

Service Dhcpdconfigtest Troubleshooting (failed record)

Third, client authentication

Linux :

Vim/etc/sysconfig/network-scripts/ifcfg-eth0 Permanent Configuration

Device=eth0

Bootproto=dhcp

# dhclient-d Eth0 Temporary Access

# dhclient-r Eth0 Release

Ifconfig eth0 View IP

Windows :

Cmd>ipconfig/release Release IP

cmd>ipconfig/renew re-fetch

Cmd>ipconfig View IP

Preparation:

/etc/sysconfig/network-scripts/ifcfg-eth0 NIC Configuration

cat/etc/sysconfig/network Computer name

cat/etc/hosts Local DNS Record

cat/etc/resolv.conf DNS configuration file

Service Network Restart Restart Network Service