xref: /OK3568_Linux_fs/buildroot/package/dhcp/dhcpd.conf (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1#
2# Sample configuration file for ISC dhcpd for Debian
3#
4# $Id: dhcpd.conf,v 1.1.1.1 2002/05/21 00:07:44 peloy Exp $
5#
6
7# The ddns-updates-style parameter controls whether or not the server will
8# attempt to do a DNS update when a lease is confirmed. We default to the
9# behavior of the version 2 packages ('none', since DHCP v2 didn't
10# have support for DDNS.)
11ddns-update-style none;
12
13# option definitions common to all supported networks...
14option domain-name "example.org";
15option domain-name-servers ns1.example.org, ns2.example.org;
16
17default-lease-time 600;
18max-lease-time 7200;
19
20# If this DHCP server is the official DHCP server for the local
21# network, the authoritative directive should be uncommented.
22#authoritative;
23
24# Use this to send dhcp log messages to a different log file (you also
25# have to hack syslog.conf to complete the redirection).
26log-facility local7;
27
28# No service will be given on this subnet, but declaring it helps the
29# DHCP server to understand the network topology.
30
31#subnet 10.152.187.0 netmask 255.255.255.0 {
32#}
33
34# This is a very basic subnet declaration.
35
36#subnet 10.254.239.0 netmask 255.255.255.224 {
37#  range 10.254.239.10 10.254.239.20;
38#  option routers rtr-239-0-1.example.org, rtr-239-0-2.example.org;
39#}
40
41# This declaration allows BOOTP clients to get dynamic addresses,
42# which we don't really recommend.
43
44#subnet 10.254.239.32 netmask 255.255.255.224 {
45#  range dynamic-bootp 10.254.239.40 10.254.239.60;
46#  option broadcast-address 10.254.239.31;
47#  option routers rtr-239-32-1.example.org;
48#}
49
50# A slightly different configuration for an internal subnet.
51#subnet 10.5.5.0 netmask 255.255.255.224 {
52#  range 10.5.5.26 10.5.5.30;
53#  option domain-name-servers ns1.internal.example.org;
54#  option domain-name "internal.example.org";
55#  option routers 10.5.5.1;
56#  option broadcast-address 10.5.5.31;
57#  default-lease-time 600;
58#  max-lease-time 7200;
59#}
60
61# Hosts which require special configuration options can be listed in
62# host statements.   If no address is specified, the address will be
63# allocated dynamically (if possible), but the host-specific information
64# will still come from the host declaration.
65
66#host passacaglia {
67#  hardware ethernet 0:0:c0:5d:bd:95;
68#  filename "vmunix.passacaglia";
69#  server-name "toccata.fugue.com";
70#}
71
72# Fixed IP addresses can also be specified for hosts.   These addresses
73# should not also be listed as being available for dynamic assignment.
74# Hosts for which fixed IP addresses have been specified can boot using
75# BOOTP or DHCP.   Hosts for which no fixed address is specified can only
76# be booted with DHCP, unless there is an address range on the subnet
77# to which a BOOTP client is connected which has the dynamic-bootp flag
78# set.
79#host fantasia {
80#  hardware ethernet 08:00:07:26:c0:a5;
81#  fixed-address fantasia.fugue.com;
82#}
83
84# You can declare a class of clients and then do address allocation
85# based on that.   The example below shows a case where all clients
86# in a certain class get addresses on the 10.17.224/24 subnet, and all
87# other clients get addresses on the 10.0.29/24 subnet.
88
89#class "foo" {
90#  match if substring (option vendor-class-identifier, 0, 4) = "SUNW";
91#}
92
93#shared-network 224-29 {
94#  subnet 10.17.224.0 netmask 255.255.255.0 {
95#    option routers rtr-224.example.org;
96#  }
97#  subnet 10.0.29.0 netmask 255.255.255.0 {
98#    option routers rtr-29.example.org;
99#  }
100#  pool {
101#    allow members of "foo";
102#    range 10.17.224.10 10.17.224.250;
103#  }
104#  pool {
105#    deny members of "foo";
106#    range 10.0.29.10 10.0.29.230;
107#  }
108#}
109