1# 2# Sample configuration file for ISC dhcpd for Debian 3# 4# Attention: If /etc/ltsp/dhcpd.conf exists, that will be used as 5# configuration file instead of this file. 6# 7# 8 9# The ddns-updates-style parameter controls whether or not the server will 10# attempt to do a DNS update when a lease is confirmed. We default to the 11# behavior of the version 2 packages ('none', since DHCP v2 didn't 12# have support for DDNS.) 13ddns-update-style none; 14 15# option definitions common to all supported networks... 16# option domain-name "orca-project.eu"; 17#option domain-name-servers ns1.example.org, ns2.example.org; 18 19default-lease-time 600; 20max-lease-time 7200; 21 22# If this DHCP server is the official DHCP server for the local 23# network, the authoritative directive should be uncommented. 24#authoritative; 25 26# Use this to send dhcp log messages to a different log file (you also 27# have to hack syslog.conf to complete the redirection). 28log-facility local7; 29 30# No service will be given on this subnet, but declaring it helps the 31# DHCP server to understand the network topology. 32 33option subnet-mask 255.255.255.0; 34option broadcast-address 192.168.13.255; 35option routers 192.168.13.1; 36option domain-name-servers 8.8.8.8, 4.4.4.4; 37option domain-name "mydomain.example"; 38 39subnet 192.168.13.0 netmask 255.255.255.0 { 40# default-lease-time 6000; 41# max-lease-time 7200; 42 option routers 192.168.13.1; 43 range 192.168.13.2 192.168.13.254; 44} 45 46#subnet 10.152.187.0 netmask 255.255.255.0 { 47#} 48 49# This is a very basic subnet declaration. 50 51#subnet 10.254.239.0 netmask 255.255.255.224 { 52# range 10.254.239.10 10.254.239.20; 53# option routers rtr-239-0-1.example.org, rtr-239-0-2.example.org; 54#} 55 56# This declaration allows BOOTP clients to get dynamic addresses, 57# which we don't really recommend. 58 59#subnet 10.254.239.32 netmask 255.255.255.224 { 60# range dynamic-bootp 10.254.239.40 10.254.239.60; 61# option broadcast-address 10.254.239.31; 62# option routers rtr-239-32-1.example.org; 63#} 64 65# A slightly different configuration for an internal subnet. 66#subnet 10.5.5.0 netmask 255.255.255.224 { 67# range 10.5.5.26 10.5.5.30; 68# option domain-name-servers ns1.internal.example.org; 69# option domain-name "internal.example.org"; 70# option routers 10.5.5.1; 71# option broadcast-address 10.5.5.31; 72# default-lease-time 600; 73# max-lease-time 7200; 74#} 75 76# Hosts which require special configuration options can be listed in 77# host statements. If no address is specified, the address will be 78# allocated dynamically (if possible), but the host-specific information 79# will still come from the host declaration. 80 81#host passacaglia { 82# hardware ethernet 0:0:c0:5d:bd:95; 83# filename "vmunix.passacaglia"; 84# server-name "toccata.fugue.com"; 85#} 86 87# Fixed IP addresses can also be specified for hosts. These addresses 88# should not also be listed as being available for dynamic assignment. 89# Hosts for which fixed IP addresses have been specified can boot using 90# BOOTP or DHCP. Hosts for which no fixed address is specified can only 91# be booted with DHCP, unless there is an address range on the subnet 92# to which a BOOTP client is connected which has the dynamic-bootp flag 93# set. 94#host fantasia { 95# hardware ethernet 08:00:07:26:c0:a5; 96# fixed-address fantasia.fugue.com; 97#} 98 99# You can declare a class of clients and then do address allocation 100# based on that. The example below shows a case where all clients 101# in a certain class get addresses on the 10.17.224/24 subnet, and all 102# other clients get addresses on the 10.0.29/24 subnet. 103 104#class "foo" { 105# match if substring (option vendor-class-identifier, 0, 4) = "SUNW"; 106#} 107 108#shared-network 224-29 { 109# subnet 10.17.224.0 netmask 255.255.255.0 { 110# option routers rtr-224.example.org; 111# } 112# subnet 10.0.29.0 netmask 255.255.255.0 { 113# option routers rtr-29.example.org; 114# } 115# pool { 116# allow members of "foo"; 117# range 10.17.224.10 10.17.224.250; 118# } 119# pool { 120# deny members of "foo"; 121# range 10.0.29.10 10.0.29.230; 122# } 123#} 124