1# Sample udhcpd configuration file (/etc/udhcpd.conf) 2# Values shown are defaults 3 4# The start and end of the IP lease block 5start 192.168.0.20 6end 192.168.0.254 7 8# The interface that udhcpd will use 9interface eth0 10 11# The maximum number of leases (includes addresses reserved 12# by OFFER's, DECLINE's, and ARP conflicts). Will be corrected 13# if it's bigger than IP lease block, but it ok to make it 14# smaller than lease block. 15#max_leases 254 16 17# The amount of time that an IP will be reserved (leased to nobody) 18# if a DHCP decline message is received (seconds) 19#decline_time 3600 20 21# The amount of time that an IP will be reserved 22# if an ARP conflict occurs (seconds) 23#conflict_time 3600 24 25# How long an offered address is reserved (seconds) 26#offer_time 60 27 28# If client asks for lease below this value, it will be rounded up 29# to this value (seconds) 30#min_lease 60 31 32# The location of the pid file 33#pidfile /var/run/udhcpd.pid 34 35# The location of the leases file 36#lease_file /var/lib/misc/udhcpd.leases 37 38# The time period at which udhcpd will write out leases file. 39# If this is 0, udhcpd will never automatically write leases file. 40# Specified in seconds. 41#auto_time 7200 42 43# Every time udhcpd writes a leases file, the below script will be called 44#notify_file # default: no script 45#notify_file dumpleases # useful for debugging 46 47# The following are BOOTP specific options 48# next server to use in bootstrap 49#siaddr 192.168.0.22 # default: 0.0.0.0 (none) 50# tftp server name 51#sname zorak # default: none 52# tftp file to download (e.g. kernel image) 53#boot_file /var/nfs_root # default: none 54 55# NOTE: "boot_file FILE" and "opt bootfile FILE" are conceptually the same, 56# but "boot_file" goes into BOOTP-defined fixed-size field in the packet, 57# whereas "opt bootfile" goes into DHCP option 0x43. 58# Same for "sname HOST" and "opt tftp HOST". 59 60# Static leases map 61#static_lease 00:60:08:11:CE:4E 192.168.0.54 62#static_lease 00:60:08:11:CE:3E 192.168.0.44 optional_hostname 63 64# The remainder of options are DHCP options and can be specified with the 65# keyword 'opt' or 'option'. If an option can take multiple items, such 66# as the dns option, they can be listed on the same line, or multiple 67# lines. 68# Examples: 69opt dns 192.168.10.2 192.168.10.10 70option subnet 255.255.255.0 71opt router 192.168.10.2 72opt wins 192.168.10.10 73option dns 129.219.13.81 # appended to above DNS servers for a total of 3 74option domain local 75option lease 864000 # default: 10 days 76option msstaticroutes 10.0.0.0/8 10.127.0.1 # single static route 77option staticroutes 10.0.0.0/8 10.127.0.1, 10.11.12.0/24 10.11.12.1 78# Arbitrary option in hex or string form: 79option 0x08 01020304 # option 8: "cookie server IP addr: 1.2.3.4" 80option 14 "dumpfile" 81 82# Currently supported options [hex option value] (for more info, see common.c): 83#opt lease NUM # [0x33] 84#opt subnet IP # [0x01] 85#opt broadcast IP # [0x1c] 86#opt router IP_LIST # [0x03] 87#opt ipttl NUM # [0x17] 88#opt mtu NUM # [0x1a] 89#opt hostname STRING # [0x0c] client's hostname 90#opt domain STRING # [0x0f] client's domain suffix 91#opt search STRING_LIST # [0x77] search domains 92#opt nisdomain STRING # [0x28] 93#opt timezone NUM # [0x02] (localtime - UTC_time) in seconds. signed 94#opt tzstr STRING # [0x64] RFC 4833. IEEE 1003.1 TZ string 95#opt tzdbstr STRING # [0x65] RFC 4833. Reference to the TZ database string 96#opt tftp STRING # [0x42] tftp server name 97#opt bootfile STRING # [0x43] tftp file to download (e.g. kernel image) 98#opt bootsize NUM # [0x0d] size of that file 99#opt rootpath STRING # [0x11] (NFS) path to mount as root fs 100#opt wpad STRING # [0xfc] Web Proxy Auto Discovery Protocol 101#opt serverid IP # [0x36] default: server's IP 102#opt message STRING # [0x38] error message (if set, udhcpd would send it on success too) 103#opt vlanid NUM # [0x84] 802.1P VLAN ID 104#opt vlanpriority NUM # [0x85] 802.1Q VLAN priority 105#opt vendor STRING # [0x3c] client's vendor string, not intended to be sent by DHCP servers 106# RFC 5071: PXELINUX Options 107#opt 0xd0 F100747E # [0xd0] magic needed for other options to be recognized by clients 108#opt pxeconffile STRING # [0xd1] 109#opt pxepathprefix STRING # [0xd2] 110#opt reboottime NUM # [0xd3] bootstrap timeout 111# Options specifying server(s) 112#opt dns IP_LIST # [0x06] 113#opt wins IP_LIST # [0x2c] 114#opt nissrv IP_LIST # [0x29] 115#opt ntpsrv IP_LIST # [0x2a] 116#opt lprsrv IP_LIST # [0x09] 117#opt swapsrv IP # [0x10] 118# Options specifying routes 119#opt routes IP_PAIR_LIST # [0x21] 120#opt staticroutes STATIC_ROUTES # [0x79] RFC 3442 classless static route option 121#opt msstaticroutes STATIC_ROUTES # [0xf9] same, using MS option number 122# Obsolete options, no longer supported 123#opt logsrv IP_LIST # [0x07] 704/UDP log server (not syslog!) 124#opt namesrv IP_LIST # [0x05] IEN 116 name server, obsolete (August 1979!!!) 125#opt cookiesrv IP_LIST # [0x08] RFC 865 "quote of the day" server, rarely (never?) used 126#opt timesrv IP_LIST # [0x04] RFC 868 time server, rarely (never?) used 127# TODO: in development 128#opt userclass STRING # [0x4d] RFC 3004. set of LASCII strings. "I am a printer" etc 129#opt sipsrv STRING LIST # [0x78] RFC 3361. flag byte, then: 0: domain names, 1: IP addrs 130#opt ip6rd .... # [0xd4] IPv6 rapid deployment 131