Install and Configure DHCP Server on Centos 6

7/23/2019 Install and Configure DHCP Server on Centos 6

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Install and configure DHCP server on

centos 6Setup DHCP server on Centos 6 :

Dynamic Host Configuration Protocol

(DHCP) is used to assign IP addresses and

other stuff like gateway and DNS details

automatically to the clients. we need a

DHCP server configured for offering

ipaddress to the clients when it is required

.

Installing DHCP server on Centos 6:

After installing Centos 6 (Centos 6 installation step by step screenshots ) and

configuring network (How to setup network in centos 6)

Update yum repositories and packages by typing the below command

[root@localhost ~]# yum update

Step 1 » Install dhcp server and client using the below command

[root@localhost ~]# yum install dhcp

Step 2 » After installing dhcp server packages along with dependencies .Assign a

static ip (eg: “192.168.1.11”) in the same DHCP range for the listening interface ( eg

: “eth0″ ). Open /etc/sysconfig/network-scripts/ifcfg-eth0 file and make the

changes as per your requirement .

Step 3 » Now open /etc/sysconfig/dhcpd file and add the preferred interface name

to DHCPDARGS variable as below

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DEVI CE=" eth0"

HWADDR=" 00: 0C: 29: F1: 01: 4B"

NM_CONTROLLED="yes"

ONBOOT="yes"

BOOTPROTO="none"

I PADDR=192. 168. 1. 11

NETMASK =255. 255. 255. 0

GATEWAY=192. 168. 1. 1

CentosFedoraJqueryLinuxmintUbuntu

l and configure DHCP server on centos 6 http://www.krizna.com/centos/install-configure-dhcp-server-

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Step 4 » open /etc/dhcp/dhcpd.conf file and paste the below lines and save it.

Step 5 » Now start the service

[root@localhost ~]# service dhcpd start

and type this below command to start dhcp service automatically while booting.

[root@localhost ~]# chkconfig --levels 235 dhcpd on

That’s it .Clients can get IP from DHCP server and Please ensure you don’t have any

other dhcp servers in the same network ( Routers might have DHCP enabled ).

Tags: Basic guide, Centos, dhcp, download, how to, installation, step by step, Windows 7, Windows xp

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Centos 7

DHCPDARGS=eth0

#speci f y domai n name

opt i on domai n- name "kr i zna. com" ;

#speci f y DNS ser ver i p and addi t i onal DNS ser ver i popt i on domai n- name- servers 192. 168. 1. 10, 208. 67. 222. 222;

#speci f y def aul t l ease t i me

def aul t - l ease- t i me 600;

#speci f y Max l ease t i me

max- l ease- t i me 7200;

#speci f y l og met hod

l og- f aci l i t y l ocal 7;

#Conf i gur i ng subnet and i prange

subnet 192. 168. 1. 0 net mask 255. 255. 255. 0 {

r ange 192. 168. 1. 50 192. 168. 1. 254;

opt i on broadcast - address 192. 168. 1. 255;

#Def aul t gat eway i p

opti on r out er s 192. 168. 1. 1;

}

#Fi xed i p address based on MAC i d

host Pr i nt er01 {

hardwar e et her net 02: 34: 37: 24: c0: a5;

f i xed- address 192. 168. 1. 55;

}










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• •

Kamendra Chauhan •

I have installed and configured dhcp,exactly as told in this post but when I am starting

dhcpd service it's getting failed .....can u please help me ...and I also have disabled the

selinux....but problem is still persisting......

• •

chris •

thanks for this article, it works, now i know where to start as i go deeper studies on

dhcp server.

• •

shell •

I have a problem in configuring my dhcp server...when i tried to service dhcpd restart it

will always failed.

• •

shell • thank you very much for the information here..it really helps a lot..

• •

Daniel Raiche •

I'm having an odd problem, it keeps telling me semicolon expected when I start the

dhcpd service, but I'm sitting here looking at the semicolon in the config file. I've

re-created a few times and the same thing happens, won't allow me to start the service.

• •

rosesa •

+1 for selinux troubleshooting comment

• •

Jose luis •

este error

setgroups: Operation not permitted

• •

krizna •

Hi luis,

It just because of selinux . please disable selinux and reboot your machine and

try again.

#vi m/ etc/ sel i nux/conf i g

find this line

SELI NUX=enfor ci ng

and replace with

SELI NUX=di sabl ed

and reboot your machine .










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