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... 16option domain-name "example.org"; 17option 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 33#subnet 10.152.187.0 netmask 255.255.255.0 { 34#} 35 36# This is a very basic subnet declaration. 37 38#subnet 10.254.239.0 netmask 255.255.255.224 { 39# range 10.254.239.10 10.254.239.20; 40# option routers rtr-239-0-1.example.org, rtr-239-0-2.example.org; 41#} 42 43# This declaration allows BOOTP clients to get dynamic addresses, 44# which we don't really recommend. 45 46#subnet 10.254.239.32 netmask 255.255.255.224 { 47# range dynamic-bootp 10.254.239.40 10.254.239.60; 48# option broadcast-address 10.254.239.31; 49# option routers rtr-239-32-1.example.org; 50#} 51 52# A slightly different configuration for an internal subnet. 53#subnet 10.5.5.0 netmask 255.255.255.224 { 54# range 10.5.5.26 10.5.5.30; 55# option domain-name-servers ns1.internal.example.org; 56# option domain-name "internal.example.org"; 57# option routers 10.5.5.1; 58# option broadcast-address 10.5.5.31; 59# default-lease-time 600; 60# max-lease-time 7200; 61#} 62 63# Hosts which require special configuration options can be listed in 64# host statements. If no address is specified, the address will be 65# allocated dynamically (if possible), but the host-specific information 66# will still come from the host declaration. 67 68#host passacaglia { 69# hardware ethernet 0:0:c0:5d:bd:95; 70# filename "vmunix.passacaglia"; 71# server-name "toccata.fugue.com"; 72#} 73 74# Fixed IP addresses can also be specified for hosts. These addresses 75# should not also be listed as being available for dynamic assignment. 76# Hosts for which fixed IP addresses have been specified can boot using 77# BOOTP or DHCP. Hosts for which no fixed address is specified can only 78# be booted with DHCP, unless there is an address range on the subnet 79# to which a BOOTP client is connected which has the dynamic-bootp flag 80# set. 81#host fantasia { 82# hardware ethernet 08:00:07:26:c0:a5; 83# fixed-address fantasia.fugue.com; 84#} 85 86# You can declare a class of clients and then do address allocation 87# based on that. The example below shows a case where all clients 88# in a certain class get addresses on the 10.17.224/24 subnet, and all 89# other clients get addresses on the 10.0.29/24 subnet. 90 91#class "foo" { 92# match if substring (option vendor-class-identifier, 0, 4) = "SUNW"; 93#} 94 95#shared-network 224-29 { 96# subnet 10.17.224.0 netmask 255.255.255.0 { 97# option routers rtr-224.example.org; 98# } 99# subnet 10.0.29.0 netmask 255.255.255.0 { 100# option routers rtr-29.example.org; 101# } 102# pool { 103# allow members of "foo"; 104# range 10.17.224.10 10.17.224.250; 105# } 106# pool { 107# deny members of "foo"; 108# range 10.0.29.10 10.0.29.230; 109# } 110#} 111 112subnet 192.168.33.0 netmask 255.255.255.0 { 113 range 192.168.33.100 192.168.33.110; 114 option routers 192.168.33.1; 115 option domain-name-servers 168.95.1.1; 116} 117