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Annotation of embedaddon/dhcp/server/dhcpd.conf, revision 1.1.1.1

1.1       misho       1: # dhcpd.conf
                      2: #
                      3: # Sample configuration file for ISC dhcpd
                      4: #
                      5: 
                      6: # option definitions common to all supported networks...
                      7: option domain-name "example.org";
                      8: option domain-name-servers ns1.example.org, ns2.example.org;
                      9: 
                     10: default-lease-time 600;
                     11: max-lease-time 7200;
                     12: 
                     13: # Use this to enble / disable dynamic dns updates globally.
                     14: #ddns-update-style none;
                     15: 
                     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).
                     22: log-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: 
                     27: subnet 10.152.187.0 netmask 255.255.255.0 {
                     28: }
                     29: 
                     30: # This is a very basic subnet declaration.
                     31: 
                     32: subnet 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: 
                     40: subnet 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.
                     47: subnet 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: 
                     62: host 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.
                     75: host 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: 
                     85: class "foo" {
                     86:   match if substring (option vendor-class-identifier, 0, 4) = "SUNW";
                     87: }
                     88: 
                     89: shared-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: }