Dhcp setup

Dhcp setup (RHel 6.X , Centos, Ubuntu)

1)Modify configure file as below, to which mac and ip address you wants to set:
修改configure file，把mac和ip 改就會自動指定。

[root@pxeserver /]# vi /etc/dhcp/dhcpd.conf

#P Server Configuration file.

#   see /usr/share/doc/dhcp*/dhcpd.conf.sample

#   see 'man 5 dhcpd.conf'

#

default-lease-time 4320000;

#default-lease-time 7200;

max-lease-time 8640000;

#max-lease-time 21600;

log-facility local7;

subnet 192.168.2.0 netmask 255.255.255.0 {

  #range 192.168.2.101 192.168.2.200;

  option subnet-mask 255.255.255.0;

}

host RUT name {

  hardware ethernet XX:XX:XX:XX:XX:XX;

  fixed-address 192.168.2.100;

}

2)restart dhcp services

[root@pxeserver /]#service dhcpd restart