xref: /minix/external/bsd/dhcp/bin/server/dhcpd.conf (revision fb9c64b2)
1# dhcpd.conf
2#
3# Sample configuration file for ISC dhcpd
4#
5
6# option definitions common to all supported networks...
7option domain-name "example.org";
8option domain-name-servers ns1.example.org, ns2.example.org;
9
10default-lease-time 600;
11max-lease-time 7200;
12
13# If this DHCP server is the official DHCP server for the local
14# network, the authoritative directive should be uncommented.
15#authoritative;
16
17# Dynamic DNS update scheme - must be set to "none", "interim" or "ad-hoc".
18ddns-update-style none;
19
20# Use this to send dhcp log messages to a different log file (you also
21# have to hack syslog.conf to complete the redirection).
22log-facility local7;
23
24# No service will be given on this subnet, but declaring it helps the
25# DHCP server to understand the network topology.
26
27subnet 10.152.187.0 netmask 255.255.255.0 {
28}
29
30# This is a very basic subnet declaration.
31
32subnet 10.254.239.0 netmask 255.255.255.224 {
33  range 10.254.239.10 10.254.239.20;
34  option routers rtr-239-0-1.example.org, rtr-239-0-2.example.org;
35}
36
37# This declaration allows BOOTP clients to get dynamic addresses,
38# which we don't really recommend.
39
40subnet 10.254.239.32 netmask 255.255.255.224 {
41  range dynamic-bootp 10.254.239.40 10.254.239.60;
42  option broadcast-address 10.254.239.31;
43  option routers rtr-239-32-1.example.org;
44}
45
46# A slightly different configuration for an internal subnet.
47subnet 10.5.5.0 netmask 255.255.255.224 {
48  range 10.5.5.26 10.5.5.30;
49  option domain-name-servers ns1.internal.example.org;
50  option domain-name "internal.example.org";
51  option routers 10.5.5.1;
52  option broadcast-address 10.5.5.31;
53  default-lease-time 600;
54  max-lease-time 7200;
55}
56
57# Hosts which require special configuration options can be listed in
58# host statements.   If no address is specified, the address will be
59# allocated dynamically (if possible), but the host-specific information
60# will still come from the host declaration.
61
62host passacaglia {
63  hardware ethernet 0:0:c0:5d:bd:95;
64  filename "vmunix.passacaglia";
65  server-name "toccata.fugue.com";
66}
67
68# Fixed IP addresses can also be specified for hosts.   These addresses
69# should not also be listed as being available for dynamic assignment.
70# Hosts for which fixed IP addresses have been specified can boot using
71# BOOTP or DHCP.   Hosts for which no fixed address is specified can only
72# be booted with DHCP, unless there is an address range on the subnet
73# to which a BOOTP client is connected which has the dynamic-bootp flag
74# set.
75host fantasia {
76  hardware ethernet 08:00:07:26:c0:a5;
77  fixed-address fantasia.fugue.com;
78}
79
80# You can declare a class of clients and then do address allocation
81# based on that.   The example below shows a case where all clients
82# in a certain class get addresses on the 10.17.224/24 subnet, and all
83# other clients get addresses on the 10.0.29/24 subnet.
84
85class "foo" {
86  match if substring (option vendor-class-identifier, 0, 4) = "SUNW";
87}
88
89shared-network 224-29 {
90  subnet 10.17.224.0 netmask 255.255.255.0 {
91    option routers rtr-224.example.org;
92  }
93  subnet 10.0.29.0 netmask 255.255.255.0 {
94    option routers rtr-29.example.org;
95  }
96  pool {
97    allow members of "foo";
98    range 10.17.224.10 10.17.224.250;
99  }
100  pool {
101    deny members of "foo";
102    range 10.0.29.10 10.0.29.230;
103  }
104}
105