-- extracted from draft-ietf-dhc-server-mib-10.txt -- at Wed Feb 11 06:16:50 2004 DHCP-SERVER-MIB DEFINITIONS ::= BEGIN IMPORTS Counter64, Gauge32, Unsigned32, MODULE-IDENTITY, OBJECT-TYPE, OBJECT-IDENTITY, NOTIFICATION-TYPE, mib-2 FROM SNMPv2-SMI TEXTUAL-CONVENTION, DateAndTime FROM SNMPv2-TC SnmpAdminString FROM SNMP-FRAMEWORK-MIB InetAddressIPv4, InetAddressPrefixLength FROM INET-ADDRESS-MIB MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP FROM SNMPv2-CONF; dhcp MODULE-IDENTITY LAST-UPDATED "200402061633Z" ORGANIZATION "IETF DHC Working Group General Discussion: dhcwg@ietf.org Subscribe: http://www1.ietf.org/mailman/listinfo/dhcwg Archive: http://www1.ietf.org/mailman/listinfo/dhcwg Chair: Ralph Droms, rdroms@cisco.com" CONTACT-INFO " Richard Barr Hibbs Postal: 952 Sanchez Street San Francisco, California 94114-3362 USA Tel: +1-(415)-648-3920 Fax: +1-(415)-648-9017 E-mail: rbhibbs@pacbell.net Glenn Waters Postal: Nortel Networks, Inc. 310-875 Carling Avenue Ottawa, Ontario K1S 5P1 Canada Tel: +1-(613)-798-4925 E-mail: gww@NortelNetworks.com" DESCRIPTION "The MIB module for entities implementing the server side of the Bootstrap Protocol (BOOTP) and the Dynamic Host Configuration protocol (DHCP) for Internet Protocol version 4(IPv4). This MIB does not include support for Dynamic DNS (DDNS) updating nor for the DHCP Failover Protocol. Copyright (C) The Internet Society (2003). This version of this MIB module is part of RFC xxxx; see the RFC itself for full legal notices." -- RFC Editor assigns xxxx and removes this comment REVISION "200402061633Z" -- 6 February 2004 DESCRIPTION "Initial Version, published as RFC xxxx." -- RFC Editor assigns xxxx and removes this comment ::= { mib-2 9999 } -- IANA will make official assignment -- Textual conventions defined by this memo Dhcpv4PhysicalAddress ::= TEXTUAL-CONVENTION DISPLAY-HINT "1d,1d,1x:1x:1x:1x:1x:1x" STATUS current DESCRIPTION "A DHCP-specific encoding of the physical address type and physical address, intended to mirror the representation of physical addresses in DHCP messages. The first octet of this object contains the hardware type from the 'htype' field of the DHCP message, the second octet of this object contains the hardware length from the 'hlen' field, and the remaining octets contain the hardware address from the 'chaddr' field." REFERENCE "RFC 2131" SYNTAX OCTET STRING (SIZE(18)) -- declare top-level MIB objects dhcpv4Server OBJECT-IDENTITY STATUS current DESCRIPTION "DHCPv4 Server MIB objects are defined in this branch." ::= { dhcp 1 } dhcpv4ServerObjects OBJECT-IDENTITY STATUS current DESCRIPTION "DHCP Server MIB server identification objects are all defined in this branch." ::= { dhcpv4Server 1 } dhcpv4ServerSystem OBJECT-IDENTITY STATUS current DESCRIPTION "Group of objects that are related to the overall system." ::= { dhcpv4ServerObjects 1 } bootpCounters OBJECT-IDENTITY STATUS current DESCRIPTION "Group of objects that count various BOOTP events." ::= { dhcpv4ServerObjects 2 } dhcpv4Counters OBJECT-IDENTITY STATUS current DESCRIPTION "Group of objects that count various DHCPv4 events." ::= { dhcpv4ServerObjects 3 } dhcpv4ServerConfiguration OBJECT-IDENTITY STATUS current DESCRIPTION "Objects that contain pre-configured and dynamic configuration information." ::= { dhcpv4ServerObjects 6 } dhcpv4ServerNotifyObjects OBJECT-IDENTITY STATUS current DESCRIPTION "Objects that are used only in notifications." ::= { dhcpv4ServerObjects 7 } -- dhcpv4ServerSystemObjects Group dhcpv4ServerSystemDescr OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(0..255)) MAX-ACCESS read-only STATUS current DESCRIPTION "A textual description of the server. This value SHOULD include the full name and version identification of the server." ::= { dhcpv4ServerSystem 1 } dhcpv4ServerSystemObjectID OBJECT-TYPE SYNTAX OBJECT IDENTIFIER MAX-ACCESS read-only STATUS current DESCRIPTION "The vendor's authoritative identification of the network management subsystem contained in this entity. This value is allocated within the SMI enterprise subtree (1.3.6.1.4.1) and provides an easy and unambiguous means for determining what kind of server is being managed. For example, if vendor Ohso Soft, Inc. is assigned the subtree 1.3.6.1.4.1.4242, it might assign the identifier 1.3.6.1.4.1.4242.1.1 to its Ursa DHCP Server." ::= { dhcpv4ServerSystem 2 } -- bootpCounterObjects Group bootpCountRequests OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets received that contain a Message Type of 1 (BOOTREQUEST) in the first octet and do not contain option number 53 (DHCP Message Type) in the options." REFERENCE "RFC-2131." ::= { bootpCounters 1 } bootpCountInvalids OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets received that do not contain a Message Type of 1 (BOOTREQUEST) in the first octet or are not valid BOOTP packets (e.g., too short, invalid field in packet header)." ::= { bootpCounters 2 } bootpCountReplies OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets sent that contain a Message Type of 2 (BOOTREPLY) in the first octet and do not contain option number 53 (DHCP Message Type) in the options." REFERENCE "RFC-2131." ::= { bootpCounters 3 } bootpCountDroppedUnknownClients OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of BOOTP packets dropped due to the server not recognizing or not providing service to the hardware address received in the incoming packet." ::= { bootpCounters 4 } bootpCountDroppedNotServingSubnet OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of BOOTP packets dropped due to the server not being configured or not otherwise able to serve addresses on the subnet from which this message was received." ::= { bootpCounters 5 } -- DHCP Counters Group dhcpv4CountDiscovers OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPDISCOVER (option 53 with value 1) packets received." REFERENCE "RFC2131; RFC2132, section 9.6." ::= { dhcpv4Counters 1 } dhcpv4CountOffers OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPOFFER (option 53 with value 2) packets sent." REFERENCE "RFC2131; RFC2132, section 9.6." ::= { dhcpv4Counters 2 } dhcpv4CountRequests OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPREQUEST (option 53 with value 3) packets received." REFERENCE "RFC2131; RFC2132, section 9.6." ::= { dhcpv4Counters 3} dhcpv4CountDeclines OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPDECLINE (option 53 with value 4) packets received." REFERENCE "RFC2131; RFC2132, section 9.6." ::= { dhcpv4Counters 4 } dhcpv4CountAcks OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPACK (option 53 with value 5) packets sent." REFERENCE "RFC2131; RFC2132, section 9.6." ::= { dhcpv4Counters 5 } dhcpv4CountNaks OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPNACK (option 53 with value 6) packets sent." REFERENCE "RFC2131; RFC2132, section 9.6." ::= { dhcpv4Counters 6 } dhcpv4CountReleases OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPRELEASE (option 53 with value 7) packets received." REFERENCE "RFC2131; RFC2132, section 9.6." ::= { dhcpv4Counters 7 } dhcpv4CountInforms OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPINFORM (option 53 with value 8) packets received." REFERENCE "RFC2131; RFC2132, section 9.6." ::= { dhcpv4Counters 8 } dhcpv4CountForcedRenews OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPFORCERENEW (option 53 with value 9) packets sent." REFERENCE " RFC 3203, DHCP reconfigure extension." ::= { dhcpv4Counters 9 } dhcpv4CountInvalids OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCP packets received whose DHCP message type (i.e., option number 53) is not understood or handled by the server." ::= { dhcpv4Counters 10 } dhcpv4CountDroppedUnknownClient OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCP packets dropped due to the server not recognizing or not providing service to the client-id and/or hardware address received in the incoming packet." ::= { dhcpv4Counters 11 } dhcpv4CountDroppedNotServingSubnet OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCP packets dropped due to the server not being configured or not otherwise able to serve addresses on the subnet from which this message was received." ::= { dhcpv4Counters 12 } -- DHCP Server Configuration -- dhcpv4ServerSharedNetObjects Group dhcpv4ServerSharedNetTable OBJECT-TYPE SYNTAX SEQUENCE OF Dhcpv4ServerSharedNetEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A list of shared networks that are configured in the server. A shared network is the logical aggregation of one or more subnets that share a common network segment (e.g., multi- tapped coaxial cable, wiring hub, or switch). This table is present ONLY for those servers that organize the ranges of addresses available for assignment where a higher-level grouping (i.e., the 'shared' network) exists above ranges and subnets." ::= { dhcpv4ServerConfiguration 1 } dhcpv4ServerSharedNetEntry OBJECT-TYPE SYNTAX Dhcpv4ServerSharedNetEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A logical row in the dhcpv4ServerSharedNetTable." INDEX { dhcpv4ServerSharedNetName } ::= { dhcpv4ServerSharedNetTable 1} Dhcpv4ServerSharedNetEntry ::= SEQUENCE { dhcpv4ServerSharedNetName SnmpAdminString, dhcpv4ServerSharedNetFreeAddrLowThreshold Unsigned32, dhcpv4ServerSharedNetFreeAddrHighThreshold Unsigned32, dhcpv4ServerSharedNetFreeAddresses Unsigned32, dhcpv4ServerSharedNetReservedAddresses Unsigned32, dhcpv4ServerSharedNetTotalAddresses Unsigned32 } dhcpv4ServerSharedNetName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(1..100)) MAX-ACCESS not-accessible STATUS current DESCRIPTION "The name of the shared network, which uniquely identifies an entry in the dhcpv4ServerSharedNetTable." ::= { dhcpv4ServerSharedNetEntry 1 } dhcpv4ServerSharedNetFreeAddrLowThreshold OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The low threshold for available free addresses in this shared network. If the value for available free addresses in this shared network becomes equal to or less than this value, a dhcpv4ServerFreeAddressLow event is generated for this shared network. No more dhcpv4ServerFreeAddressLow events will be generated for this subnet during this execution of the DHCP server until the value for available free addresses has exceeded the value of dhcpv4ServerSharedNetFreeAddrHighThreshold." ::= { dhcpv4ServerSharedNetEntry 2 } dhcpv4ServerSharedNetFreeAddrHighThreshold OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The high threshold for available free addresses in this shared network. If a dhcpv4ServerFreeAddressLow event was generated for this subnet, and the value for available free addresses has exceeded the value of dhcpv4ServerSubnetFreeAddrHighThreshold, then a dhcpv4ServerFreeAddressHigh event will be generated. No more dhcpv4ServerFreeAddressHigh events will be generated for this subnet during this execution of the DHCP server until the value for available free addresses becomes equal to or less than the value of dhcpv4ServerSubnetFreeAddrLowThreshold." ::= { dhcpv4ServerSharedNetEntry 3 } dhcpv4ServerSharedNetFreeAddresses OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The number of IPv4 addresses which are available within this shared network. If the server does not count free addresses by shared network segment, this value will be zero." ::= { dhcpv4ServerSharedNetEntry 4 } dhcpv4ServerSharedNetReservedAddresses OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The number of IPv4 addresses which are reserved (not available for assignment) within this shared network. If the server does not count reserved addresses by shared network segment, this value will be zero." ::= { dhcpv4ServerSharedNetEntry 5 } dhcpv4ServerSharedNetTotalAddresses OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The number of IPv4 addresses which are available within this shared network. If the server does not count total addresses by shared network segment, this value will be zero." ::= { dhcpv4ServerSharedNetEntry 6 } -- dhcpv4ServerSubnetObjects Group dhcpv4ServerSubnetTable OBJECT-TYPE SYNTAX SEQUENCE OF Dhcpv4ServerSubnetEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A list of subnets that are configured in this server." ::= { dhcpv4ServerConfiguration 2 } dhcpv4ServerSubnetEntry OBJECT-TYPE SYNTAX Dhcpv4ServerSubnetEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A logical row in the dhcpv4ServerSubnetTable." INDEX { dhcpv4ServerSubnetAddress } ::= { dhcpv4ServerSubnetTable 1 } Dhcpv4ServerSubnetEntry ::= SEQUENCE { dhcpv4ServerSubnetAddress InetAddressIPv4, dhcpv4ServerSubnetMask InetAddressPrefixLength, dhcpv4ServerSubnetSharedNetworkName SnmpAdminString, dhcpv4ServerSubnetFreeAddrLowThreshold Unsigned32, dhcpv4ServerSubnetFreeAddrHighThreshold Unsigned32, dhcpv4ServerSubnetFreeAddresses Unsigned32 } dhcpv4ServerSubnetAddress OBJECT-TYPE SYNTAX InetAddressIPv4 MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IPv4 address of the subnet entry in the dhcpv4ServerSubnetTable." ::= { dhcpv4ServerSubnetEntry 1 } dhcpv4ServerSubnetMask OBJECT-TYPE SYNTAX InetAddressPrefixLength MAX-ACCESS read-only STATUS current DESCRIPTION "The subnet mask of the subnet. This MUST be the same as the value of DHCP option 1 offered to clients on this subnet." ::= { dhcpv4ServerSubnetEntry 2 } dhcpv4ServerSubnetSharedNetworkName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(1..100)) MAX-ACCESS read-only STATUS current DESCRIPTION "The shared subnet name (used as an index into the server shared subnet table) to which this subnet belongs. This value will be null for servers that do not organize or describe networks in this manner." ::= { dhcpv4ServerSubnetEntry 3 } dhcpv4ServerSubnetFreeAddrLowThreshold OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The low threshold for available free addresses in this subnet. If the value for available free addresses in this subnet becomes equal to or less than this value, a dhcpv4ServerSubnetFreeAddrLowThreshold event will be generated for this shared network. No more dhcpv4ServerSubnetFreeAddrLowThreshold events will be generated for this subnet during this execution of the DHCP server until the value for available free addresses has exceeded the value of dhcpv4ServerSubnetFreeAddrHighThreshold." ::= { dhcpv4ServerSubnetEntry 4 } dhcpv4ServerSubnetFreeAddrHighThreshold OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The high threshold for available free addresses in this subnet. If a dhcpv4ServerSubnetFreeAddrLowThreshold event has been generated for this subnet, and the value for available free addresses has exceeded the value of dhcpv4ServerSubnetFreeAddrHighThreshold, then a dhcpv4ServerFreeAddressHigh event will be generated. No more dhcpv4ServerFreeAddressHigh events will be generated for this subnet during this execution of the DHCP server until the value for available free addresses becomes equal to or less than the value of dhcpv4ServerSubnetFreeAddrLowThreshold." ::= { dhcpv4ServerSubnetEntry 5 } dhcpv4ServerSubnetFreeAddresses OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The number of free IPv4 addresses which are available in this subnet." ::= { dhcpv4ServerSubnetEntry 6 } -- dhcpv4ServerRangeObjects Group dhcpv4ServerRangeTable OBJECT-TYPE SYNTAX SEQUENCE OF Dhcpv4ServerRangeEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A list of ranges that are configured on this server." ::= { dhcpv4ServerConfiguration 3 } dhcpv4ServerRangeEntry OBJECT-TYPE SYNTAX Dhcpv4ServerRangeEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A logical row in the dhcpv4ServerRangeTable." INDEX { dhcpv4ServerRangeStartAddress, dhcpv4ServerRangeEndAddress } ::= { dhcpv4ServerRangeTable 1 } Dhcpv4ServerRangeEntry ::= SEQUENCE { dhcpv4ServerRangeStartAddress InetAddressIPv4, dhcpv4ServerRangeEndAddress InetAddressIPv4, dhcpv4ServerRangeSubnetMask InetAddressPrefixLength, dhcpv4ServerRangeInUse Gauge32, dhcpv4ServerRangeOutstandingOffers Gauge32 } dhcpv4ServerRangeStartAddress OBJECT-TYPE SYNTAX InetAddressIPv4 MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IPv4 address of the first address in the range. The value of dhcpv4ServerRangeStartAddress MUST be less than or equal to the value of dhcpv4ServerRangeEndAddress." ::= { dhcpv4ServerRangeEntry 1 } dhcpv4ServerRangeEndAddress OBJECT-TYPE SYNTAX InetAddressIPv4 MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IPv4 address of the last address in the range. The value of dhcpv4ServerRangeEndAddress MUST be greater than or equal to the value of dhcpv4ServerRangeStartAddress." ::= { dhcpv4ServerRangeEntry 2 } dhcpv4ServerRangeSubnetMask OBJECT-TYPE SYNTAX InetAddressPrefixLength MAX-ACCESS read-only STATUS current DESCRIPTION "The subnet address mask for this range." ::= { dhcpv4ServerRangeEntry 3 } dhcpv4ServerRangeInUse OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of addresses in this range that are currently in use. This number includes those addresses whose lease has not expired and addresses which have been reserved (either by the server or through configuration)." ::= { dhcpv4ServerRangeEntry 4 } dhcpv4ServerRangeOutstandingOffers OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of outstanding DHCPOFFER messages for this range is reported with this value. An offer is outstanding if the server has sent a DHCPOFFER message to a client, but has not yet received a DHCPREQUEST message from the client nor has the server-specific timeout (limiting the time in which a client can respond to the offer message) for the offer message expired." ::= { dhcpv4ServerRangeEntry 5 } -- dhcpv4ServerClientObjects Group dhcpv4ServerClientTable OBJECT-TYPE SYNTAX SEQUENCE OF Dhcpv4ServerClientEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An optional list of addresses that are known by this server. The list MUST contain addresses that have not expired. The list MUST NOT contain addresses that have never been assigned by the server UNLESS the lease is pre-configured in the server (e.g., a static lease for a host). Expired leases MAY appear during the time they are 'remembered' by the server for subsequent assignment to the same host." ::= { dhcpv4ServerConfiguration 4 } dhcpv4ServerClientEntry OBJECT-TYPE SYNTAX Dhcpv4ServerClientEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A logical row in the dhcpv4ServerClientTable." INDEX { dhcpv4ServerClient } ::= { dhcpv4ServerClientTable 1 } Dhcpv4ServerClientEntry ::= SEQUENCE { dhcpv4ServerClient InetAddressIPv4, dhcpv4ServerClientSubnetMask InetAddressPrefixLength, dhcpv4ServerClientRange InetAddressIPv4, dhcpv4ServerClientLeaseType INTEGER, dhcpv4ServerClientTimeRemaining Unsigned32, dhcpv4ServerClientAllowedProtocol INTEGER, dhcpv4ServerClientServedProtocol INTEGER, dhcpv4ServerClientPhysicalAddress Dhcpv4PhysicalAddress, dhcpv4ServerClientClientId OCTET STRING, dhcpv4ServerClientHostName SnmpAdminString, dhcpv4ServerClientDomainName SnmpAdminString } dhcpv4ServerClient OBJECT-TYPE SYNTAX InetAddressIPv4 MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IPv4 address of this entry in the dhcpv4ServerClientTable." ::= { dhcpv4ServerClientEntry 1 } dhcpv4ServerClientSubnetMask OBJECT-TYPE SYNTAX InetAddressPrefixLength MAX-ACCESS read-only STATUS current DESCRIPTION "The subnet mask (DHCP option 1) provided to the client offered this address. The subnet, resulting from logically ANDing the subnet mask with the entry's IPv4 address, MUST be configured on this server and appear as a row in the dhcpSubnetTable." ::= { dhcpv4ServerClientEntry 2 } dhcpv4ServerClientRange OBJECT-TYPE SYNTAX InetAddressIPv4 MAX-ACCESS read-only STATUS current DESCRIPTION "The starting IPv4 address (dhcpv4ServerRangeStartAddress object) of the range to which this address belongs. If the address does not fall into one of the configured ranges (e.g., a statically configured address on a subnet) the range MAY be 0.0.0.0." ::= { dhcpv4ServerClientEntry 3 } dhcpv4ServerClientLeaseType OBJECT-TYPE SYNTAX INTEGER { static(1), dynamic(2), expired(3), configurationReserved(4), serverReserved(5) } MAX-ACCESS read-only STATUS current DESCRIPTION "The type of this address. Types are: (1) Static addresses defined by the server configuration. (2) Dynamic addresses defined by the server configuration AND actually assigned by the server. (3) Expired dynamic addresses, previously assigned by the server, and 'remembered' for subsequent assignment to the same host. (4) Addresses reserved (i.e., not assignable) by the server configuration. (5) Addresses previously assigned by the server, but temporarily or permanently removed from assignable state for some reason, e.g., the server received an ICMP ECHOREPLY for the IPv4 address or a DHCPDECLINE message has been received for the IPv4 address." ::= { dhcpv4ServerClientEntry 4 } dhcpv4ServerClientTimeRemaining OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of seconds until the lease expires. A value of 4294967295 (i.e., 0xFFFFFFFF) SHOULD be used for leases that have a lease time which is 'infinite' and for BOOTP leases." ::= { dhcpv4ServerClientEntry 5 } dhcpv4ServerClientAllowedProtocol OBJECT-TYPE SYNTAX INTEGER { none(1), bootp(2), dhcp(3), bootpOrDhcp(4) } MAX-ACCESS read-only STATUS current DESCRIPTION "The type of protocol that is allowed to be used to serve this address. A type of none (1) indicates that the address is not available to be served (e.g., a reserved address). Type (2) is reserved for BOOTP only devices, while type (3) is reserved for DHCP only devices. A type of bootp-or-dhcp (4) can be offered to any type of client." ::= { dhcpv4ServerClientEntry 6 } dhcpv4ServerClientServedProtocol OBJECT-TYPE SYNTAX INTEGER { none(1), bootp(2), dhcp(3) } MAX-ACCESS read-only STATUS current DESCRIPTION "The type of protocol that was used when this address was assigned. This object will have the value of none (1) if the address has not been served." ::= { dhcpv4ServerClientEntry 7 } dhcpv4ServerClientPhysicalAddress OBJECT-TYPE SYNTAX Dhcpv4PhysicalAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The hardware type and hardware address of the client that has been assigned this lease. The first octet of this object contains the hardware type from the 'htype' field of the BOOTP packet and the remaining octets contain the hardware address from the 'chaddr' field of the BOOTP packet. This object MAY be empty if the address has not been previously served." ::= { dhcpv4ServerClientEntry 8 } dhcpv4ServerClientClientId OBJECT-TYPE SYNTAX OCTET STRING (SIZE(0..255)) MAX-ACCESS read-only STATUS current DESCRIPTION "The client-id of the client that has been assigned this lease. The client-id is the value specified in option 61 (client-id option) when the lease was assigned. This object MAY be empty if the lease has not been previously assigned or if the client-id option was not specified when the address was assigned." ::= { dhcpv4ServerClientEntry 9 } dhcpv4ServerClientHostName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(1..255)) MAX-ACCESS read-only STATUS current DESCRIPTION "The host name (DHCP option 12) the client is configured to use, or if no host name was configured then the host name that the client supplied when requesting an address. While this object has a maximum size of 255 octets, a Fully-Qualified Domain Name (FQDN) consisting of a Host Name part and a Domain Name part is currently limited to 255 octets. Therefore, the sum of the string lengths for this object and the dhcpv4ServerClientDomainName MUST be, in practice, less than 256 octets." ::= { dhcpv4ServerClientEntry 10 } dhcpv4ServerClientDomainName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(1..255)) MAX-ACCESS read-only STATUS current DESCRIPTION "The domain name (DHCP option 15) assigned to the client. While this object has a maximum size of 255 octets, a Fully- Qualified Domain Name (FQDN) consisting of a Host Name part and a Domain Name part is currently limited to 255 octets, less the separator ('.') character. Therefore, the sum of the string lengths for this object and the dhcpv4ServerClientHostName MUST be, in practice, less than 256 octets." ::= { dhcpv4ServerClientEntry 11 } -- dhcpv4ServerNotifyObjects Group dhcpv4ServerNotifyDuplicateIpAddr OBJECT-TYPE SYNTAX InetAddressIPv4 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The IPv4 address found to be a duplicate. Duplicates are detected by servers, which issue an ICMP ECHOREQUEST prior to offering an IPv4 address lease, or by a client issuing a gratuitous ARP message and reported through a DHCPDECLINE message." ::= { dhcpv4ServerNotifyObjects 1 } dhcpv4ServerNotifyDuplicateMac OBJECT-TYPE SYNTAX Dhcpv4PhysicalAddress MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The offending MAC address which caused a duplicate IPv4 address to be detected, if captured by the server, else 00-00- 00-00-00-00." ::= { dhcpv4ServerNotifyObjects 2 } dhcpv4ServerNotifyClientOrServerDetected OBJECT-TYPE SYNTAX INTEGER { client(1), server(2) } MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "Duplicate IPv4 addresses can be detected either by a server, using an ICMP ECHO message, or by a client using ARP. This object is set by the server to (1) if the client used DHCPDECLINE to mark the offered address as in-use, or to (2) if the server discovered the address in use by some client before offering it." ::= { dhcpv4ServerNotifyObjects 3 } dhcpv4ServerNotifyServerStart OBJECT-TYPE SYNTAX DateAndTime MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The date and time when the server began operation." ::= { dhcpv4ServerNotifyObjects 4 } dhcpv4ServerNotifyServerStop OBJECT-TYPE SYNTAX DateAndTime MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The date and time when the server ceased operation." ::= { dhcpv4ServerNotifyObjects 5 } -- Notifications dhcpv4ServerNotificationPrefix OBJECT IDENTIFIER ::= { dhcpv4Server 2 } dhcpv4ServerNotifications OBJECT IDENTIFIER ::= { dhcpv4ServerNotificationPrefix 0 } dhcpv4ServerFreeAddressLow NOTIFICATION-TYPE OBJECTS { dhcpv4ServerSharedNetFreeAddrLowThreshold, dhcpv4ServerSharedNetFreeAddresses } STATUS current DESCRIPTION "This notification signifies that the number of available IPv4 addresses for a particular shared network has fallen below the value of dhcpv4ServerSharedNetFreeAddrLowThreshold for that shared network." ::= { dhcpv4ServerNotifications 1 } dhcpv4ServerFreeAddressHigh NOTIFICATION-TYPE OBJECTS { dhcpv4ServerSharedNetFreeAddrHighThreshold, dhcpv4ServerSharedNetFreeAddresses } STATUS current DESCRIPTION "This notification signifies that the number of available IPv4 addresses for a particular shared network has risen above the value of dhcpv4ServerSharedNetFreeAddrHighThreshold for that shared network." ::= { dhcpv4ServerNotifications 2 } dhcpv4ServerStartTime NOTIFICATION-TYPE OBJECTS { dhcpv4ServerNotifyServerStart } STATUS current DESCRIPTION "This notification signifies that the server of the specified type has started on the host from which this notification has been sent." ::= { dhcpv4ServerNotifications 3 } dhcpv4ServerStopTime NOTIFICATION-TYPE OBJECTS { dhcpv4ServerNotifyServerStop } STATUS current DESCRIPTION "This notification signifies that the server of the specified type has stopped normally on the host from which this notification has been sent." ::= { dhcpv4ServerNotifications 4 } dhcpv4ServerDuplicateAddress NOTIFICATION-TYPE OBJECTS { dhcpv4ServerNotifyDuplicateIpAddr, dhcpv4ServerNotifyDuplicateMac, dhcpv4ServerNotifyClientOrServerDetected } STATUS current DESCRIPTION "This notification signifies that a duplicate IPv4 address has been detected. The DHCP server can detect this condition through the ping-before-offer mechanism. Alternatively, the client may have sent a DHCPDECLINE back to the server; this is assumed to be the result of the client detecting that the address was in use. In either case, the DHCP server marks the IPv4 address as unavailable for leasing to clients. The dhcpv4ServerNotifyClientOrServerDetected object indicates whether the client or server detected this condition." ::= { dhcpv4ServerNotifications 5 } -- Conformance dhcpv4ServerConformance OBJECT-IDENTITY STATUS current DESCRIPTION "DHCP server conformance objects are all defined in this branch." ::= { dhcpv4Server 3 } dhcpv4ServerCompliances OBJECT IDENTIFIER ::= { dhcpv4ServerConformance 1 } dhcpv4ServerGroups OBJECT IDENTIFIER ::= { dhcpv4ServerConformance 2 } -- Compliance groups dhcpv4ServerCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "This group describes the requirements for conformance to the DHCP Server MIB. A DHCPv4 server implementation is only REQUIRED to support IPv4 addresses. In particular, this comment applies to the following objects with MAX-ACCESS not- accessible: dhcpv4ServerSubnet dhcpv4ServerRangeStart dhcpv4ServerRangeEnd dhcpv4ServerClient." MODULE -- this module MANDATORY-GROUPS { dhcpv4ServerSystemObjects, bootpCounterObjects, dhcpv4CounterObjects, dhcpv4ServerSharedNetObjects, dhcpv4ServerSubnetObjects, dhcpv4ServerRangeObjects, dhcpv4ServerClientObjects, dhcpv4ServerNotifyObjectsGroup, dhcpv4ServerNotificationsGroup } ::= { dhcpv4ServerCompliances 1 } -- Object groups dhcpv4ServerSystemObjects OBJECT-GROUP OBJECTS { dhcpv4ServerSystemDescr, dhcpv4ServerSystemObjectID } STATUS current DESCRIPTION "Objects belonging to the dhcpv4ServerSystemObjects group." ::= { dhcpv4ServerGroups 1 } bootpCounterObjects OBJECT-GROUP OBJECTS { bootpCountRequests, bootpCountInvalids, bootpCountReplies, bootpCountDroppedUnknownClients, bootpCountDroppedNotServingSubnet } STATUS current DESCRIPTION "Objects belonging to the bootpBounterObjects group." ::= { dhcpv4ServerGroups 2 } dhcpv4CounterObjects OBJECT-GROUP OBJECTS { dhcpv4CountDiscovers, dhcpv4CountOffers, dhcpv4CountRequests, dhcpv4CountDeclines, dhcpv4CountAcks, dhcpv4CountNaks, dhcpv4CountReleases, dhcpv4CountInforms, dhcpv4CountForcedRenews, dhcpv4CountInvalids, dhcpv4CountDroppedUnknownClient, dhcpv4CountDroppedNotServingSubnet } STATUS current DESCRIPTION "Objects belonging to the dhcpv4CounterObjects group." ::= { dhcpv4ServerGroups 3 } dhcpv4ServerSharedNetObjects OBJECT-GROUP OBJECTS { dhcpv4ServerSharedNetFreeAddrLowThreshold, dhcpv4ServerSharedNetFreeAddrHighThreshold, dhcpv4ServerSharedNetFreeAddresses, dhcpv4ServerSharedNetReservedAddresses, dhcpv4ServerSharedNetTotalAddresses } STATUS current DESCRIPTION "Objects belonging to the dhcpv4ServerSharedNetObjects group." ::= { dhcpv4ServerGroups 4 } dhcpv4ServerSubnetObjects OBJECT-GROUP OBJECTS { dhcpv4ServerSubnetMask, dhcpv4ServerSubnetSharedNetworkName, dhcpv4ServerSubnetFreeAddrLowThreshold, dhcpv4ServerSubnetFreeAddrHighThreshold, dhcpv4ServerSubnetFreeAddresses } STATUS current DESCRIPTION "Objects belonging to the dhcpv4ServerSubnetObjects group." ::= { dhcpv4ServerGroups 5 } dhcpv4ServerRangeObjects OBJECT-GROUP OBJECTS { dhcpv4ServerRangeSubnetMask, dhcpv4ServerRangeInUse, dhcpv4ServerRangeOutstandingOffers } STATUS current DESCRIPTION "Objects belonging to the dhcpv4ServerRangeObjects group." ::= { dhcpv4ServerGroups 6 } dhcpv4ServerClientObjects OBJECT-GROUP OBJECTS { dhcpv4ServerClientSubnetMask, dhcpv4ServerClientRange, dhcpv4ServerClientLeaseType, dhcpv4ServerClientTimeRemaining, dhcpv4ServerClientAllowedProtocol, dhcpv4ServerClientServedProtocol, dhcpv4ServerClientPhysicalAddress, dhcpv4ServerClientClientId, dhcpv4ServerClientHostName, dhcpv4ServerClientDomainName } STATUS current DESCRIPTION "Objects belonging to the dhcpv4ServerClientObjects group." ::= { dhcpv4ServerGroups 7 } dhcpv4ServerNotifyObjectsGroup OBJECT-GROUP OBJECTS { dhcpv4ServerNotifyDuplicateIpAddr, dhcpv4ServerNotifyDuplicateMac, dhcpv4ServerNotifyClientOrServerDetected, dhcpv4ServerNotifyServerStart, dhcpv4ServerNotifyServerStop } STATUS current DESCRIPTION "Objects belonging to the dhcpv4ServerNotifyObjects group." ::= { dhcpv4ServerGroups 8 } dhcpv4ServerNotificationsGroup NOTIFICATION-GROUP NOTIFICATIONS { dhcpv4ServerFreeAddressLow, dhcpv4ServerFreeAddressHigh, dhcpv4ServerStartTime, dhcpv4ServerStopTime, dhcpv4ServerDuplicateAddress } STATUS current DESCRIPTION "Notifications belonging to the dhcpv4ServerNotifications group." ::= { dhcpv4ServerGroups 9 } END -- -- Copyright (C), 2004, The Internet Society. 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