--- name: "Net::DHCP::Constants" section: "3pm" platform: "linux" package: "libnet-dhcp-perl" version: "0.696+dfsg-3" release: "Debian 13 (Trixie)" platforms: ["linux"] url: "https://new.carta.tech/Net::DHCP::Constants" --- # Net::DHCP::Constants(3pm) Constants for DHCP codes and options ## NAME Net::DHCP::Constants - Constants for DHCP codes and options ## VERSION version 0.696 ## SYNOPSIS ``` use Net::DHCP::Constants; print "DHCP option SUBNET_MASK is ", DHO_SUBNET_MASK(); ``` ## DESCRIPTION Represents constants used in DHCP protocol, defined in RFC 1533, RFC 2132, RFC 2241, RFC 2485, RFC 2563, RFC 2937, RFC 3004, RFC 3011, RFC 3046. ## TAGS As mentioned above, constants can either be imported individually or in sets grouped by tag names. The tag names are: - • bootp\_codes Imports all of the basic *BOOTP* constants. ``` (01) BOOTREQUEST (02) BOOTREPLY ``` - • htype\_codes Imports all *HTYPE* (hardware address type) codes. ``` (01) HTYPE_ETHER (06) HTYPE_IEEE802 (08) HTYPE_FDDI ``` Most common value is HTYPE\_ETHER for `"Ethernet"`. - • dhcp\_message Import all DHCP Message codes. (rfc2132) ``` (01) DHCPDISCOVER (02) DHCPOFFER (03) DHCPREQUEST (04) DHCPDECLINE (05) DHCPACK (06) DHCPNAK (07) DHCPRELEASE (08) DHCPINFORM (09) DHCPFORCERENEW ``` (rfc4388) ``` (10) DHCPLEASEQUERY (11) DHCPLEASEUNASSIGNED (12) DHCPLEASEUNKNOWN (13) DHCPLEASEACTIVE ``` Nb. Previously Cisco used 13 for DHCPLEASEQUERY. If you need to decode or encode packets to communicate with such a system, you might simply use the integer rather than the constant - or use the updated constant and comment in your code appropriately. - • dho\_codes Import all DHCP option codes. ``` (000) DHO_PAD (001) DHO_SUBNET_MASK (002) DHO_TIME_OFFSET (003) DHO_ROUTERS (004) DHO_TIME_SERVERS (005) DHO_NAME_SERVERS (006) DHO_DOMAIN_NAME_SERVERS (007) DHO_LOG_SERVERS (008) DHO_COOKIE_SERVERS (009) DHO_LPR_SERVERS (010) DHO_IMPRESS_SERVERS (011) DHO_RESOURCE_LOCATION_SERVERS (012) DHO_HOST_NAME (013) DHO_BOOT_SIZE (014) DHO_MERIT_DUMP (015) DHO_DOMAIN_NAME (016) DHO_SWAP_SERVER (017) DHO_ROOT_PATH (018) DHO_EXTENSIONS_PATH (019) DHO_IP_FORWARDING (020) DHO_NON_LOCAL_SOURCE_ROUTING (021) DHO_POLICY_FILTER (022) DHO_MAX_DGRAM_REASSEMBLY (023) DHO_DEFAULT_IP_TTL (024) DHO_PATH_MTU_AGING_TIMEOUT (025) DHO_PATH_MTU_PLATEAU_TABLE (026) DHO_INTERFACE_MTU (027) DHO_ALL_SUBNETS_LOCAL (028) DHO_BROADCAST_ADDRESS (029) DHO_PERFORM_MASK_DISCOVERY (030) DHO_MASK_SUPPLIER (031) DHO_ROUTER_DISCOVERY (032) DHO_ROUTER_SOLICITATION_ADDRESS (033) DHO_STATIC_ROUTES (034) DHO_TRAILER_ENCAPSULATION (035) DHO_ARP_CACHE_TIMEOUT (036) DHO_IEEE802_3_ENCAPSULATION (037) DHO_DEFAULT_TCP_TTL (038) DHO_TCP_KEEPALIVE_INTERVAL (039) DHO_TCP_KEEPALIVE_GARBAGE (040) DHO_NIS_DOMAIN (041) DHO_NIS_SERVERS (042) DHO_NTP_SERVERS (043) DHO_VENDOR_ENCAPSULATED_OPTIONS (044) DHO_NETBIOS_NAME_SERVERS (045) DHO_NETBIOS_DD_SERVER (046) DHO_NETBIOS_NODE_TYPE (047) DHO_NETBIOS_SCOPE (048) DHO_FONT_SERVERS (049) DHO_X_DISPLAY_MANAGER (050) DHO_DHCP_REQUESTED_ADDRESS (051) DHO_DHCP_LEASE_TIME (052) DHO_DHCP_OPTION_OVERLOAD (053) DHO_DHCP_MESSAGE_TYPE (054) DHO_DHCP_SERVER_IDENTIFIER (055) DHO_DHCP_PARAMETER_REQUEST_LIST (056) DHO_DHCP_MESSAGE (057) DHO_DHCP_MAX_MESSAGE_SIZE (058) DHO_DHCP_RENEWAL_TIME (059) DHO_DHCP_REBINDING_TIME (060) DHO_VENDOR_CLASS_IDENTIFIER (061) DHO_DHCP_CLIENT_IDENTIFIER (062) DHO_NWIP_DOMAIN_NAME (063) DHO_NWIP_SUBOPTIONS (064) DHO_NISV3_DOMAIN (065) DHO_NISV3_SERVER (066) DHO_TFTP_SERVER (067) DHO_BOOTFILE (068) DHO_MOBILE_IP_HOME_AGENT (069) DHO_SMTP_SERVER (070) DHO_POP3_SERVER (071) DHO_NNTP_SERVER (072) DHO_WWW_SERVER (073) DHO_FINGER_SERVER (074) DHO_IRC_SERVER (075) DHO_STREETTALK_SERVER (076) DHO_STDA_SERVER (077) DHO_USER_CLASS (078) DHO_DIRECTORY_AGENT (079) DHO_SERVICE_SCOPE (080) DHO_RAPID_COMMIT (081) DHO_FQDN (082) DHO_DHCP_AGENT_OPTIONS (083) DHO_ISNS (085) DHO_NDS_SERVERS (086) DHO_NDS_TREE_NAME (087) DHO_NDS_CONTEXT (088) DHO_BCMCS_CONTROLLER_DOMAIN_NAME_LIST (089) DHO_BCMCS_CONTROLLER_IPV4_ADDRESS (090) DHO_AUTHENTICATION (091) DHO_CLIENT_LAST_TRANSACTION_TIME (092) DHO_ASSOCIATED_IP (093) DHO_CLIENT_SYSTEM (094) DHO_CLIENT_NDI (095) DHO_LDAP (097) DHO_UUID_GUID (098) DHO_USER_AUTHENTICATION_PROTOCOL (099) DHO_GEOCONF_CIVIC (100) DHO_PCODE (101) DHO_TCODE (112) DHO_NETINFO_ADDRESS (113) DHO_NETINFO_TAG (114) DHO_URL (116) DHO_AUTO_CONFIGURE (117) DHO_NAME_SERVICE_SEARCH (118) DHO_SUBNET_SELECTION (119) DHO_DOMAIN_SEARCH (120) DHO_SIP_SERVERS (121) DHO_CLASSLESS_STATIC_ROUTE (122) DHO_CCC (123) DHO_GEOCONF (124) DHO_VI_VENDOR_CLASS (125) DHO_VI_VENDOR_SPECIFIC_INFOMATION (128) DHO_ETHERBOOT_SIGNATURE (129) DHO_CALL_SERVER_ADDRESS (130) DHO_DISCRIMINATION_STRING (131) DHO_REMOTE_STATISTICS_SERVER (132) DHO_VLAN_ID (133) DHO_L2_PRIORITY (134) DHO_DSCP (135) DHO_HTTP_PROXY_FORPHONES (136) DHO_OPTION_PANA_AGENT (137) DHO_OPTION_PANA_V4_LOST (138) DHO_OPTION_CAPWAP_AC_V4 (139) DHO_OPTION_IPV4_ADDRESS_MOS (140) DHO_OPTION_IPV4_FQDN_MOS (141) DHO_SIP_UA_CONFIGURATION_SERVICE_DOMAINS (150) DHO_ETHERBOOT (176) DHO_IP_TELEPHONE (177) DHO_PACKETCABLE_DEPRECATED (208) DHO_PXELINUX_MAGIC (209) DHO_CONFIGURATION_FILE (210) DHO_PATH_PREFIX (211) DHO_REBOOT_TIME (212) DHO_OPTION_6RD (213) DHO_OPTION_V4_ACCESS_DOMAIN (220) DHO_SUBNET_ALLOCATION (221) DHO_VIRTUAL_SUBNET (249) DHO_CLASSLESS_STATIC_ROUTE_MS (255) DHO_END ``` - • ccc\_codes Import all CableLabs Client Configuration ``` (001) CCC_PRIMARY_DHCP_SERVER (002) CCC_SECONDARY_DHCP_SERVER (003) CCC_PROVISIONING_SERVER (004) CCC_AS_REQ_AS_REP_BACKOFFRETRY (005) CCC_AP_REQ_AS_REP_BACKOFFRETRY (006) CCC_KERBEROS_REALM (007) CCC_TICKET_SERVER_UTILIZATION (008) CCC_PROVISIONING_TIMER (009) CCC_SECURITY_TICKET_CONTROL (010) CCC_KDC_SERVER ``` ## TO DO, LIMITATIONS Automatic parsing of DHO\_VENDOR\_ENCAPSULATED\_OPTIONS (code 43) is unsupported. Automatic parsing of DHO\_NWIP\_SUBOPTIONS (code 63 - rfc 2242) is unsupported. Automatic parsing of DHO\_USER\_CLASS (code 77 - rfc 3004) is unsupported. Automatic parsing of DHO\_CCC (code 122 - rfc 3495) is unsupported. Automatic parsing of DHO\_PACKETCABLE\_DEPRECATED (code 177 - rfc 3495) is unsupported. ## SEE ALSO Net::DHCP::Packet, Net::DHCP::Options ## AUTHOR Dean Hamstead \ and past Authors (see README) ## GOT PATCHES? Many young people like to use Github, so by all means send me pull requests at https://github.com/djzort/Net-DHCP ## COPYRIGHT This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.