Ubuntu 11.04
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DHCP Server
2011/04/30
  Configure DHCP ( Dynamic Host Configuration Protocol ) Server. If you make your linux computer DHCP server, it's neccesarry to disable DHCP function on router in LAN.

[1] Install and configure DHCP
root@dlp:~#
aptitude -y install dhcp3-server


root@dlp:~#
vi /etc/dhcp/dhcpd.conf


# line 16: specify domain name

option domain-name
"srv.world"
;

# line 17: specify nameserver's hostname or IP address

option domain-name-servers
dlp.srv.world
;

# line 24: uncomment

authoritative;

# add at the last

# specify network address and subnet-mask

subnet 10.0.0.0 netmask 255.255.255.0 {
# specify default gateway

option routers 10.0.0.1;

# specify subnet-mask

option subnet-mask 255.255.255.0;

# specify the range of leased IP address

range dynamic-bootp 10.0.0.200 10.0.0.254;

}


root@dlp:~#
/etc/init.d/isc-dhcp-server start

* Starting ISC DHCP server dhcpd
[ OK ]

[2] Configure on client PC. This example is on Windows 7. Open network settings and select "internet protocol" and click "property" button.
 
[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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