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1# dhcpd.conf
2#
74f45f96 3# Sample configuration file for ISC dhcpd
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4#
5
fe9e2a32 6# option definitions common to all supported networks...
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7option domain-name "example.org";
8option domain-name-servers ns1.example.org, ns2.example.org;
fe9e2a32 9
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10default-lease-time 600;
11max-lease-time 7200;
fe9e2a32 12
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13# Use this to enble / disable dynamic dns updates globally.
14#ddns-update-style none;
15
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16# If this DHCP server is the official DHCP server for the local
17# network, the authoritative directive should be uncommented.
18#authoritative;
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 {
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28}
29
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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;
272474b6 35}
fe9e2a32 36
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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;
00e9db0e 44}
6b651c96 45
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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;
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53 default-lease-time 600;
54 max-lease-time 7200;
55}
ee4c389d 56
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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
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62host passacaglia {
63 hardware ethernet 0:0:c0:5d:bd:95;
64 filename "vmunix.passacaglia";
60bba434 65 server-name "toccata.example.com";
272474b6 66}
6b651c96 67
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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.
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75host fantasia {
76 hardware ethernet 08:00:07:26:c0:a5;
60bba434 77 fixed-address fantasia.example.com;
272474b6 78}
fe9e2a32 79
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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}