DHCP Server2015/01/13

	Configure DHCP ( Dynamic Host Configuration Protocol ) Server. If you make your linux computer DHCP server, disable DHCP function on routers and so on in LAN.
[1]	Install and configure DHCP.

[root@dlp ~]#

yum -y install dhcp

[root@dlp ~]#

cp -f /usr/share/doc/dhcp*/dhcpd.conf.sample /etc/dhcpd.conf

[root@dlp ~]#

vi /etc/dhcpd.conf

# line 4: specify your network and subnetmask

subnet

10.0.0.0

netmask

255.255.255.0

{

# line 7 : specify default gateway

option routers

10.0.0.1

;

# line 8: specify subnetmask

option subnet-mask

255.255.255.0

;

# line 10: specify NIS domain name iy you using
# comment out if you do not use.

option nis-domain

"srv.world"

;

# line 11: specify domain name

option domain-name

"srv.world"

;

# line 12: specify IP address of DNS

option domain-name-servers

10.0.0.30

;

# line 14: comment out

option time-offset

-18000;

# line 21: specify the range of IP addresses for clients

range dynamic-bootp

10.0.0.200 10.0.0.254

;

# line 22: default terms of lease

default-lease-time

21600

;

# line 23: maximun terms of lease

max-lease-time

43200

;

# line 26-30: comment out

host ns {

next-server marvin.redhat.com;

hardware ethernet 12:34:56:78:AB:CD;

fixed-address 207.175.42.254;

}

[root@dlp ~]#

/etc/rc.d/init.d/dhcpd start

Starting dhcpd:

[ OK ]

[root@dlp ~]#

chkconfig dhcpd on

[2]	Configure on client. This example is on Windows 7. Open Network settings and go to the sacreen like below.

[3]	Check boxes like below, then IP address is re-configured automatically.

[4]	See the network status. Automatical configuration is done.

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