File dhcpd.conf of Package dhcp.import4556

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File dhcpd.conf of Package dhcp.import4556

# dhcpd.conf
#
# Sample configuration file for ISC dhcpd
#

# option definitions common to all supported networks...
option domain-name "example.org";
option domain-name-servers ns1.example.org, ns2.example.org;

default-lease-time 600;
max-lease-time 7200;

# if you do not use dynamical DNS updates:
#
# if you want to use dynamical DNS updates, you should first read
# read /usr/share/doc/packages/dhcp-server/DDNS-howto.txt
#
ddns-updates off;

# Use this to enble / disable dynamic dns updates globally.
ddns-update-style none;

# If this DHCP server is the official DHCP server for the local
# network, the authoritative directive should be uncommented.
#authoritative;

# Use this to send dhcp log messages to a different log file (you also
# have to hack syslog.conf to complete the redirection).
log-facility local7;

#
# Define RFC 3442 classless static route option (121);
# the following _example_ routes:
#    192.168.2.254/32 via 0.0.0.0     (device route)
#    192.168.2.253/32 via 192.168.1.2 (255.255.255.255)
#    192.2.0.128/25   via 192.168.1.2 (255.255.255.128)
#    192.168.2.0/24   via 192.168.1.2 (255.255.255.0)
#    172.16.0.0/12    via 192.168.1.2 (255.240.0.0)
#    10.0.0.0/8       via 192.168.1.2 (255.0.0.0)
#    default          via 192.168.1.1
# have to be written as:
#    option rfc3442-classless-static-routes
#           32,  192, 168, 2, 254,    0,   0, 0, 0,
#           32,  192, 168, 2, 253,  192, 168, 1, 2,
#           25,  192,   2, 0, 128,  192, 168, 1, 2,
#           24,  192, 168, 3,       192, 168, 1, 2,
#           12,  172, 16,           192, 168, 1, 2,
#            8,   10,               192, 168, 1, 2,
#            0,                     192, 168, 1, 1;
#
# Note: you have to specify the default gateway here
# as well, because when classless routes are in use,
# the 'routers' option is ignored by the dhcp client.
#
option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;

# No service will be given on this subnet, but declaring it helps the 
# DHCP server to understand the network topology.

subnet 10.152.187.0 netmask 255.255.255.0 {
}

# This is a very basic subnet declaration.

subnet 10.254.239.0 netmask 255.255.255.224 {
  range 10.254.239.10 10.254.239.20;
  option routers rtr-239-0-1.example.org, rtr-239-0-2.example.org;
}

# This declaration allows BOOTP clients to get dynamic addresses,
# which we don't really recommend.

subnet 10.254.239.32 netmask 255.255.255.224 {
  range dynamic-bootp 10.254.239.40 10.254.239.60;
  option broadcast-address 10.254.239.31;
  option routers rtr-239-32-1.example.org;
}

# A slightly different configuration for an internal subnet.
subnet 10.5.5.0 netmask 255.255.255.224 {
  range 10.5.5.26 10.5.5.30;
  option domain-name-servers ns1.internal.example.org;
  option domain-name "internal.example.org";
  option routers 10.5.5.1;
  option broadcast-address 10.5.5.31;
  default-lease-time 600;
  max-lease-time 7200;
}

# Hosts which require special configuration options can be listed in
# host statements.   If no address is specified, the address will be
# allocated dynamically (if possible), but the host-specific information
# will still come from the host declaration.

host passacaglia {
  hardware ethernet 0:0:c0:5d:bd:95;
  filename "vmunix.passacaglia";
  server-name "toccata.fugue.com";
}

# Fixed IP addresses can also be specified for hosts.   These addresses
# should not also be listed as being available for dynamic assignment.
# Hosts for which fixed IP addresses have been specified can boot using
# BOOTP or DHCP.   Hosts for which no fixed address is specified can only
# be booted with DHCP, unless there is an address range on the subnet
# to which a BOOTP client is connected which has the dynamic-bootp flag
# set.
host fantasia {
  hardware ethernet 08:00:07:26:c0:a5;
  fixed-address fantasia.fugue.com;
}

# You can declare a class of clients and then do address allocation
# based on that.   The example below shows a case where all clients
# in a certain class get addresses on the 10.17.224/24 subnet, and all
# other clients get addresses on the 10.0.29/24 subnet.

class "foo" {
  match if substring (option vendor-class-identifier, 0, 4) = "SUNW";
}

shared-network 224-29 {
  subnet 10.17.224.0 netmask 255.255.255.0 {
    option routers rtr-224.example.org;
  }
  subnet 10.0.29.0 netmask 255.255.255.0 {
    option routers rtr-29.example.org;
  }
  pool {
    allow members of "foo";
    range 10.17.224.10 10.17.224.250;
  }
  pool {
    deny members of "foo";
    range 10.0.29.10 10.0.29.230;
  }
}

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