-- extracted from draft-ietf-dhc-server-mib-05.txt -- at Sat Nov 25 16:04:55 2000 DHCP-SERVER-MIB DEFINITIONS ::= BEGIN IMPORTS Counter64, Counter32, Gauge32, Unsigned32, mib-2, MODULE-IDENTITY, OBJECT-TYPE, OBJECT-IDENTITY, IpAddress FROM SNMPv2-SMI TEXTUAL-CONVENTION, RowStatus, DisplayString, TruthValue, DateAndTime FROM SNMPv2-TC MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP # /*modified*/ FROM SNMPv2-CONF; dhcp OBJECT-IDENTITY STATUS current DESCRIPTION "The dhcp branch in the standard network management framework." ::= { mib-2 99 } -- IANA will make official assignment dhcpServerMIB MODULE-IDENTITY # /*renamed*/ LAST-UPDATED "9910060000Z" ORGANIZATION "IETF DHCP Working Group" CONTACT-INFO " Richard Barr Hibbs Postal: UltraDNS Corporation 800 North San Mateo Drive San Mateo, CA 94401-2261 USA Tel: +1 650-227-2678 Fax: +1 650-227-2662 Email: rbhibbs@ultraDNS.com Glenn Waters Postal: Nortel Networks, Inc. 310-875 Carling Avenue Ottawa, Ontario K1S 5P1 Canada Tel: +1 613-765-0249 Email: 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." ::= { dhcp 1 } dhcpServerMIBObjects OBJECT-IDENTITY STATUS current DESCRIPTION "DHCP Server MIB objects are all defined in this branch." ::= { dhcpServerMIB 1 } serverSystem OBJECT-IDENTITY STATUS current DESCRIPTION "Group of objects that are related to the overall system." ::= { dhcpServerMIBObjects 1 } bootpCounters OBJECT-IDENTITY STATUS current DESCRIPTION "Group of objects that count various BOOTP events." ::= { dhcpServerMIBObjects 2 } dhcpCounters OBJECT-IDENTITY STATUS current DESCRIPTION "Group of objects that count various DHCP events." ::= { dhcpServerMIBObjects 3 } bootpStatistics OBJECT-IDENTITY STATUS current DESCRIPTION "Group of objects that measure various BOOTP statistics." ::= { dhcpServerMIBObjects 4 } dhcpStatistics OBJECT-IDENTITY STATUS current DESCRIPTION "Group of objects that measure various DHCP statistics." ::= { dhcpServerMIBObjects 5 } serverConfiguration OBJECT-IDENTITY STATUS current DESCRIPTION "Objects that contain pre-configured and dynamic configuration information." ::= { dhcpServerMIBObjects 6 } clientGroup OBJECT-IDENTITY STATUS current DESCRIPTION "Objects that map DHCP and BOOTP clients to IP addresses." ::= { dhcpServerMIBObjects 7 } -- Textual conventions defined by this memo DhcpTimeInterval ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "The number of milli-seconds that has elapsed since some epoch. Systems that cannot measure events to the milli-second resolution SHOULD round this value to the next available resolution that the system supports." SYNTAX Unsigned32 PhysicalAddress ::= TEXTUAL-CONVENTION DISPLAY-HINT "t,xx[:xx...]" STATUS current REFERENCE "RFC 2131" DESCRIPTION "A harware type and hardware address. This object is encoded as
where is the value of the hardware type space field, as used in ARP (e.g., 1 for Ethernet, 6 for token ring). IANA maintains the list of registered numbers for this field. The value for this field comes from the 'htype' field in the BOOTP packet header.
is the hardware address of the MAC (Media Adapter Card) interface. The value for this field comes from the 'chaddr' field in the BOOTP packet header." SYNTAX OCTET STRING (SIZE (0 | 2..17)) -- serverSystem Group serverSystemDescr OBJECT-TYPE SYNTAX DisplayString (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. This string MUST contain only printable NVT ASCII characters." ::= { serverSystem 1 } serverSystemObjectID 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 'VeryBigServers, Inc.' is assigned the subtree 1.3.6.1.4.1.4242, it may assign the identifier 1.3.6.1.4.1.4242.1.1 to its `Hercules DHCP Server'." ::= { serverSystem 2 } -- bootpCounters Group bootpCountRequests OBJECT-TYPE SYNTAX Counter32 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." ::= { bootpCounters 1 } bootpCountInvalids OBJECT-TYPE SYNTAX Counter32 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 Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets sent 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." ::= { bootpCounters 3 } bootpCountDroppedUnknownClients OBJECT-TYPE SYNTAX Counter32 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 Counter32 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 } -- dhcpCounters Group dhcpCountDiscovers OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPDISCOVER (option 53 with value 1) packets received." ::= { dhcpCounters 1 } dhcpCountRequests OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPREQUEST (option 53 with value 3) packets received." ::= { dhcpCounters 2 } dhcpCountReleases OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPRELEASE (option 53 with value 7) packets received." ::= { dhcpCounters 3 } dhcpCountDeclines OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPDECLINE (option 53 with value 4) packets received." ::= { dhcpCounters 4 } dhcpCountInforms OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPINFORM (option 53 with value 8) packets received." ::= { dhcpCounters 5 } dhcpCountInvalids OBJECT-TYPE SYNTAX Counter32 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." ::= { dhcpCounters 6 } dhcpCountOffers OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPOFFER (option 53 with value 2) packets sent." ::= { dhcpCounters 7 } dhcpCountAcks OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPACK (option 53 with value 5) packets sent." ::= { dhcpCounters 8 } dhcpCountNacks OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of DHCPNACK (option 53 with value 6) packets sent." ::= { dhcpCounters 9 } dhcpCountDroppedUnknownClient OBJECT-TYPE SYNTAX Counter32 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." ::= { dhcpCounters 10 } dhcpCountDroppedNotServingSubnet OBJECT-TYPE SYNTAX Counter32 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." ::= { dhcpCounters 11 } -- bootpStatistics group bootpStatMinArrivalInterval OBJECT-TYPE SYNTAX DhcpTimeInterval MAX-ACCESS read-write STATUS current DESCRIPTION "The minimum amount of time between receiving two BOOTP messages. A message is received at the server when the server is able to begin processing the message. This typically occurs immediately after the message is read into server memory. If no messages have been received, then this object contains a zero value." ::= { bootpStatistics 1 } bootpStatMaxArrivalInterval OBJECT-TYPE SYNTAX DhcpTimeInterval MAX-ACCESS read-write STATUS current DESCRIPTION "The maximum amount of time between receiving two BOOTP messages. A message is received at the server when the server is able to begin processing the message. This typically occurs immediately after the message is read into server memory. If no messages have been received, then this object contains a zero value." ::= { bootpStatistics 2 } bootpStatLastArrivalTime OBJECT-TYPE SYNTAX DateAndTime MAX-ACCESS read-only STATUS current DESCRIPTION "The date and time that the last valid BOOTP message was received by the server. Invalid messages do not cause this value to change. If valid no messages have been received, then this object contains a date and time that is all zero." ::= { bootpStatistics 3 } bootpStatSumSquaresArrivalTime OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The sum of the squared BOOTP packet inter-arrival times in micro-seconds. This value may be used to compute the variance and standard deviation of the BOOTP arrival times. Note that a micro-second resolution of this object requires a clock resolution to the milli-second since the square of a milli- second value produces a value with micro-second resolution." ::= { bootpStatistics 4 } bootpStatMinResponseTime OBJECT-TYPE SYNTAX DhcpTimeInterval MAX-ACCESS read-write STATUS current DESCRIPTION "The smallest time interval measured as the difference between the arrival of a BOOTP message at the server and the successful transmission of the response to that message. A message is received at the server when the server is able to begin processing the message. A message is transmitted after the server has no further use for the message. Note that the operating system may still have the message queued internally. The operating system queue time is not to be considered as part of the response time. Invalid messages do not cause this value to change. If no valid messages have been received, then this object contains a zero value." ::= { bootpStatistics 5 } bootpStatMaxResponseTime OBJECT-TYPE SYNTAX DhcpTimeInterval MAX-ACCESS read-write STATUS current DESCRIPTION "The largest time interval measured as the difference between the arrival of a BOOTP message at the server and the successful transmission of the response to that message. A message is received at the server when the server is able to begin processing the message. A message is transmitted after the server has no further use for the message. Note that the operating system may still have the message queued internally. The operating system queue time is not to be considered as part of the response time. Invalid messages do not cause this value to change. If no valid messages have been received, then this object contains a zero value." ::= { bootpStatistics 6 } bootpStatSumResponseTime OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The sum of the response time intervals in milli-seconds where a response time interval is measured as the difference between the arrival of a BOOTP message at the server and the successful transmission of the response to that message. A message is received at the server when the server is able to begin processing the message. A message is transmitted after the server has no further use for the message. Note that the operating system may still have the message queued internally. The operating system queue time is not to be considered as part of the response time. Invalid messages do not cause this value to change. If no valid messages have been received, then this object contains a zero value." ::= { bootpStatistics 7 } bootpStatSumSquaresResponseTime OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The sum of the squared BOOTP packet response times in micro- seconds. This value may be used to compute the variance and standard deviation of the BOOTP response times. Note that a micro-second resolution of this object requires a clock resolution to the milli-second since the square of a milli- second value produces a value with micro-second resolution." ::= { bootpStatistics 8 } -- dhcpStatistics group dhcpStatMinArrivalInterval OBJECT-TYPE SYNTAX DhcpTimeInterval MAX-ACCESS read-write STATUS current DESCRIPTION "The minimum amount of time between receiving two DHCP messages. A message is received at the server when the server is able to begin processing the message. This typically occurs immediately after the message is read into server memory. If no messages have been received, then this object contains a zero value." ::= { dhcpStatistics 1 } dhcpStatMaxArrivalInterval OBJECT-TYPE SYNTAX DhcpTimeInterval MAX-ACCESS read-write STATUS current DESCRIPTION "The maximum amount of time between receiving two DHCP messages. A message is received at the server when the server is able to begin processing the message. This typically occurs immediately after the message is read into server memory. If no messages have been received, then this object contains a zero value." ::= { dhcpStatistics 2 } dhcpStatLastArrivalTime OBJECT-TYPE SYNTAX DateAndTime MAX-ACCESS read-only STATUS current DESCRIPTION "The date and time that the last valid DHCP message was received by the server. Invalid messages do not cause this value to change. If no valid messages have been received, then this object contains a date and time that is all zero." ::= { dhcpStatistics 3 } dhcpStatSumSquaresArrivalTime OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The sum of the squared DHCP packet inter-arrival times in micro-seconds. This value may be used to compute the variance and standard deviation of the DHCP arrival times. Note that a micro-second resolution of this object requires a clock resolution to the milli-second since the square of a milli- second value produces a value with micro-second resolution." ::= { dhcpStatistics 4 } dhcpStatMinResponseTime OBJECT-TYPE SYNTAX DhcpTimeInterval MAX-ACCESS read-write STATUS current DESCRIPTION "The smallest time interval measured as the difference between the arrival of a DHCP message at the server and the successful transmission of the response to that message. A message is received at the server when the server is able to begin processing the message. A message is transmitted after the server has no further use for the message. Note that the operating system may still have the message queued internally. The operating system queue time is not to be considered as part of the response time. Invalid messages do not cause this value to change. If no valid messages have been received, then this object contains a zero value." ::= { dhcpStatistics 5 } dhcpStatMaxResponseTime OBJECT-TYPE SYNTAX DhcpTimeInterval MAX-ACCESS read-write STATUS current DESCRIPTION "The largest time interval measured as the difference between the arrival of a DHCP message at the server and the successful transmission of the response to that message. A message is received at the server when the server is able to begin processing the message. A message is transmitted after the server has no further use for the message. Note that the operating system may still have the message queued internally. The operating system queue time is not to be considered as part of the response time. Invalid messages do not cause this value to change. If no valid messages have been received, then this object contains a zero value." ::= { dhcpStatistics 6 } dhcpStatSumResponseTime OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The sum of the response time intervals in milli-seconds where a response time interval is measured as the difference between the arrival of a DHCP message at the server and the successful transmission of the response to that message. A message is received at the server when the server is able to begin processing the message. A message is transmitted after the server has no further use for the message. Note that the operating system may still have the message queued internally. The operating system queue time is not to be considered as part of the response time. Invalid messages do not cause this value to change. If no valid messages have been received, then this object contains a zero value." ::= { dhcpStatistics 7 } dhcpStatSumSquaresResponseTime OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The sum of the squared DHCP packet response times in micro- seconds. This value may be used to compute the variance and standard deviation of the DHCP response times. Note that a micro-second resolution of this object requires a clock resolution to the milli-second since the square of a milli- second value produces a value with micro-second resolution." ::= { dhcpStatistics 8 } -- serverConfiguration group serverSubnetTable OBJECT-TYPE SYNTAX SEQUENCE OF ServerSubnetEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A list of subnets that are configured in this server." ::= { serverConfiguration 1 } serverSubnetEntry OBJECT-TYPE SYNTAX ServerSubnetEntry MAX-ACCESS not-accessible STATUS current INDEX { serverSubnet } DESCRIPTION "A logical row in the serverSubnetTable." ::= { serverSubnetTable 1 } ServerSubnetEntry ::= SEQUENCE { serverSubnet IpAddress, serverSubnetMask IpAddress, serverSubnetSharedNet IpAddress, serverSubnetConfiguredAddresses Unsigned32, serverSubnetAvailableAddresses Unsigned32, serverSubnetFreeAddressLowThreshold Unsigned32, serverSubnetFreeAddressHighThreshold Unsigned32 } serverSubnet OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IP address of the subnet." ::= { serverSubnetEntry 1 } serverSubnetMask OBJECT-TYPE SYNTAX IpAddress 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." ::= { serverSubnetEntry 2 } serverSubnetSharedNet OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The IP address of another subnet that is on the same shared media as this subnet. The address of the shared subnet MUST also be configured on this server. The address 0.0.0.0 should be used if this subnet is not shared." ::= { serverSubnetEntry 3 } serverSubnetConfiguredAddresses OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of IP addresses that are configured to be served on this subnet." ::= { serverSubnetEntry 4 } serverSubnetAvailableAddresses OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of IP addresses on this subnet that are not currently assigned to a client." ::= { serverSubnetEntry 5 } serverSubnetFreeAddressLowThreshold OBJECT-TYPE # /*new*/ 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 serverSubnetFreeAddressLowThreshold event is generated for this shared network. No more serverSubnetFreeAddressLowThreshold 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 serverSubnetFreeAddressHighThreshold. This value may be expressed as either an absolute value or a percentage; the units are specified by the value of serverSubnetFreeAddressUnits." ::= { serverSubnetEntry 6 } serverSubnetFreeAddressHighThreshold OBJECT-TYPE # /*new*/ SYNTAX Unsigned32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The high threshold for available free addresses in this subnet. If a serverSubnetFreeAddressLowThreshold event has been generated for this subnet, and the value for available free addresses has exceeded the value of serverSubnetFreeAddressHighThreshold, then a serverFreeAddressessHigh event will be generated. No more serverFreeAddressessHigh 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 serverSubnetFreeAddressHighThreshold. This value may be expressed as either an absolute value or a percentage; the units are specified by the value of serverSubnetFreeAddressUnits." ::= { serverSubnetEntry 7 } serverRangeTable OBJECT-TYPE SYNTAX SEQUENCE OF ServerRangeEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A list of ranges that are configured on this server." ::= { serverConfiguration 2 } serverRangeEntry OBJECT-TYPE SYNTAX ServerRangeEntry MAX-ACCESS not-accessible STATUS current INDEX { serverRangeStart } DESCRIPTION "A logical row in the serverRangeTable." ::= { serverRangeTable 1 } ServerRangeEntry ::= SEQUENCE { serverRangeStart IpAddress, serverRangeEnd IpAddress, serverRangeSubnetMask IpAddress, serverRangeInUse Gauge32, serverRangeOutstandingOffers Gauge32 } serverRangeStart OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IP address of the first address in the range. The value of range start must be less than or equal to the value of range end." ::= { serverRangeEntry 1 } serverRangeEnd OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The IP address of the last address in the range. The value of range end must be greater than or equal to the value of range start." ::= { serverRangeEntry 2 } serverRangeSubnetAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The subnet address for this range." ::= { serverRangeEntry 3 } serverRangeInUse 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)." ::= { serverRangeEntry 4 } serverRangeOutstandingOffers 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." ::= { serverRangeEntry 5 } serverAddressTable OBJECT-TYPE SYNTAX SEQUENCE OF ServerAddressEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A 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 on a subnet)." ::= { serverConfiguration 3 } serverAddressEntry OBJECT-TYPE SYNTAX ServerAddressEntry MAX-ACCESS not-accessible STATUS current INDEX { serverAddress } DESCRIPTION "A logical row in the serverAddressTable." ::= { serverAddressTable 1 } ServerAddressEntry ::= SEQUENCE { serverAddress IpAddress, serverAddressSubnetMask IpAddress, serverAddressRange IpAddress, serverAddressType INTEGER, serverAddressTimeRemaining Unsigned32, serverAddressAllowedProtocol INTEGER, serverAddressServedProtocol INTEGER, serverAddressHardwareAddress PhysicalAddress, serverAddressClientId OCTET STRING, serverAddressHostName DisplayString, serverAddressDomainName DisplayString } serverAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IP address of the entry." ::= { serverAddressEntry 1 } serverAddressSubnetMask OBJECT-TYPE SYNTAX IpAddress 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 IP address, must be configured on this server and appear as a row in the dhcpSubnetTable." ::= { serverAddressEntry 2 } serverAddressRange OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The starting IP address (serverRangeStart 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." ::= { serverAddressEntry 3 } serverAddressType OBJECT-TYPE SYNTAX INTEGER { static(1), dynamic(2), configuration-reserved(3), server-reserved(4) } MAX-ACCESS read-only STATUS current DESCRIPTION "The type of this address." ::= { serverAddressEntry 4 } serverAddressTimeRemaining 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." ::= { serverAddressEntry 5 } serverAddressAllowedProtocol OBJECT-TYPE SYNTAX INTEGER { none(1), bootp(2), dhcp(3), bootp-or-dhcp(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)." ::= { serverAddressEntry 6 } serverAddressServedProtocol 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." ::= { serverAddressEntry 7 } serverAddressHardwareAddress OBJECT-TYPE SYNTAX PhysicalAddress 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." ::= { serverAddressEntry 8 } serverAddressClientId 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." ::= { serverAddressEntry 9 } serverAddressHostName OBJECT-TYPE SYNTAX DisplayString (SIZE (0..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 serverAddressDomainName must, in practice, be less than 256 octets." ::= { serverAddressEntry 10 } serverAddressDomainName OBJECT-TYPE SYNTAX DisplayString (SIZE (0..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 serverAddressHostName must, in practice, be less than 256 octets." ::= { serverAddressEntry 11 } serverClientTable OBJECT-TYPE SYNTAX SEQUENCE OF ServerClientEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A list of clients that are known by this server. Details about the clients may be found by indexing into the serverAddressTable using the serverClientAddress object. This table is indexed first by the physical address of the client and then by the subnet address on which the client resides. The subnet is included as an index since the physical address is only guaranteed to be unique within a subnet (i.e., a physical address is not globally unique)." ::= { clientConfiguration 1 } serverClientEntry OBJECT-TYPE SYNTAX ServerClientEntry MAX-ACCESS not-accessible STATUS current INDEX { serverClientHardwareAddress, serverClientSubnetMask } DESCRIPTION "A logical row in the serverClientTable. An entry in this table may be a client that requested an address but was refused (e.g., not authorized). Servers MAY track these types of clients if desired and may choose to remove such client entries using a server defined algorithm. As an example, a server may choose to keep client request that does not map to an address for a one hour time period before removing that entry from this table." ::= { serverClientTable 1 } ServerClientEntry ::= SEQUENCE { serverClientHardwareAddress PhsicalAddress serverClientSubnetMask IpAddress, serverClientAddress IpAddress, serverClientLastRequestTime DateAndTime, serverClientLastRequestType INTEGER, serverClientLastResponseType INTEGER } serverClientHardwareAddress OBJECT-TYPE SYNTAX PhysicalAddress MAX-ACCESS not-accessible 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 value of this object MUST NOT be zero length." ::= { serverClientEntry 1 } serverClientSubnetMask OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "The subnet mask (DHCP option 1) applied to serverClientAddress." ::= { serverClientEntry 2 } serverClientAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The IP address of the entry. May be used to index into the serverAddressTable. May be 0.0.0.0 if an address is not associated with this client." ::= { serverClientEntry 3 } serverClientLastRequestTime OBJECT-TYPE SYNTAX DateAndTime MAX-ACCESS read-only STATUS current DESCRIPTION "The time when the last request was received." ::= { serverClientEntry 4 } serverClientLastRequestType OBJECT-TYPE SYNTAX INTEGER { dhcpdiscover(1), bootp(2), dhcprequest(3), dhcpdecline(4), unknown(5), dhcprelease(7), dhcpinform(8) } MAX-ACCESS read-only STATUS current DESCRIPTION "The type of the last request that was received for this client." ::= { serverClientEntry 5 } serverClientLastResponseType OBJECT-TYPE SYNTAX INTEGER { bootp(1), dhcpoffer(2), unknown(3), dhcpack(5), dhcpnak(6) } MAX-ACCESS read-only STATUS current DESCRIPTION "The type of the last response that was sent to this client." ::= { serverClientEntry 6 } -- serverNotifyObjects: Objects which are used only in notifications serverNotifyDuplicateIPAddress OBJECT-TYPE # /*new*/ SYNTAX IpAddress MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The IP address which was found to be a duplicate." ::= { serverNotifyObjects 1 } serverNotifyMACAddress OBJECT-TYPE # /*new*/ SYNTAX PhysicalAddress MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The offending MAC address which caused a duplicate IP address to be detected." ::= { serverNotifyObjects 2 } serverNotifyServer OBJECT-TYPE # /*new*/ SYNTAX IpAddress MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The IP Address of a server with which the DHCP server is attempting to communicate." ::= { serverNotifyObjects 3 } serverNotifyDuplicateIPAddressDetectedBy OBJECT-TYPE # /*new*/ SYNTAX INTEGER {dhcpClient(1), dhcpServer(2)} MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "For a serverDuplicateAddress notification, this object indicates whether the client or server detected the condition. DHCP servers detect a duplicate address by an unexpected reply to an ICMPECHOREQUEST (ææpingÆÆ) message, while DHCP clients detect duplicates by an unexpected reply to a gratuitous ARP message, and report this condition to a DHCP server through a DHCPDECLINE message." ::= { serverNotifyObjects 5 } serverNotifyContestedIpAddress OBJECT-TYPE # /*new*/ SYNTAX IpAddress MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The IP address for which ownership is claimed by two or more DHCP servers." ::= { serverNotifyObjects 6 } -- Notifications dhcpServerMIBNotificationPrefix OBJECT IDENTIFIER # /*new*/ ::= { dhcpServerMIB 2 } # /*renamed*/ dhcpServerMIBNotifications OBJECT IDENTIFIER # /*new*/ ::= { dhcpServerMIBNotificationPrefix 0 } serverFreeAddressLow NOTIFICATION-TYPE # /*new*/ OBJECTS { serverSharedNetworkFreeAddressLowThreshold, serverSharedNetworkFreeAddressValue, serverSharedNetworkFreeAddressUnits } STATUS current DESCRIPTION "This notification signifies that the number of available IP addresses for a particular shared network has fallen below the value of serverSharedNetworkFreeAddressLowThreshold for that shared network." ::= { dhcpServerMIBNotifications 1 } serverFreeAddressHigh NOTIFICATION-TYPE # /*new*/ OBJECTS { serverSharedNetworkFreeAddressHighThreshold, serverSharedNetworkFreeAddressValue, serverSharedNetworkFreeAddressUnits } STATUS current DESCRIPTION "This notification signifies that the number of available IP addresses for a particular shared network has risen above the value of serverSharedNetworkFreeAddressHighThreshold for that shared network." ::= { dhcpServerMIBNotifications 2 } serverServerStart NOTIFICATION-TYPE # /*new*/ OBJECTS { serverNotifyServerType } 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." ::= { dhcpServerMIBNotifications 3 } serverServerStop NOTIFICATION-TYPE # /*new*/ OBJECTS { serverNotifyServerType } 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." ::= { dhcpServerMIBNotifications 4 } serverDuplicateAddress NOTIFICATION-TYPE # /*new*/ OBJECTS { serverNotifyDuplicateIPAddress, serverNotifyMACAddress, serverNotifyDuplicateIPAddressDetectedBy } STATUS current DESCRIPTION "This notification signifies that a duplicate IP 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 IP address as unavailable for leasing to clients. The serverNotifyDuplicateIPAddressDetectedBy object indicates whether the client or server detected this condition." ::= { dhcpServerMIBNotifications 7 } -- Conformance dhcpServerMIBConformance OBJECT-IDENTITY # /*renamed*/ STATUS current DESCRIPTION "DHCP Server MIB objects are all defined in this branch." ::= { dhcpServerMIB 3 } # /*renamed*/ dhcpServerMIBCompliances OBJECT IDENTIFIER ::= { dhcpServerMIBConformance 1 } # /*renamed*/ dhcpServerMIBGroups OBJECT IDENTIFIER ::= { dhcpServerMIBConformance 2 } # /*renamed*/ -- Compliance groups dhcpServerMIBCompliance MODULE-COMPLIANCE MODULE -- this module MANDATORY-GROUPS { serverSystemGroup, bootpCountersGroup, dhcpCountersGroup, bootpStatisticsGroup, dhcpStatisticsGroup, serverConfigurationGroup, serverClientsGroup } STATUS current DESCRIPTION "Describes the requirements for conformance to the DCHP Server MIB" ::= { dhcpServerMIBCompliances 1 } serverSystemGroup OBJECT-GROUP OBJECTS { serverSystemDescr, serverSystemObjectID } STATUS current DESCRIPTION "Objects belonging to the serverSystemGroup." ::= { dhcpServerMIBGroups 1 } bootpCountersGroup OBJECT-GROUP OBJECTS { bootpCountRequests, bootpCountInvalids, bootpCountReplies, bootpCountDroppedUnknownClients, bootpCountDroppedNotServingSubnet } STATUS current DESCRIPTION "Objects belonging to the bootpBountersGroup." ::= { dhcpServerMIBGroups 2 } dhcpCountersGroup OBJECT-GROUP OBJECTS { dhcpCountDiscovers, dhcpCountRequests, dhcpCountReleases, dhcpCountDeclines, dhcpCountInforms, dhcpCountInvalids, dhcpCountOffers, dhcpCountAcks, dhcpCountNacks, dhcpCountDroppedUnknownClient, dhcpCountDroppedNotServingSubnet } STATUS current DESCRIPTION "Objects belonging to the dhcpCountersGroup." ::= { dhcpServerMIBGroups 3 } bootpStatisticsGroup OBJECT-GROUP OBJECTS { bootpStatMinArrivalInterval, bootpStatMaxArrivalInterval, bootpStatLastArrivalTime, bootpStatSunSquaresArrivalTime, bootpStatMinResponseTime, bootpStatMaxResponseTime, bootpStatSumReponseTime, bootpStatSumSquaresResponseTime } STATUS current DESCRIPTION "Objects belonging to the bootpStatisticsGroup." ::= { dhcpServerMIBGroups 4 } dhcpStatisticsGroup OBJECT-GROUP OBJECTS { dhcpStatMinArrivalInterval, dhcpStatMaxArrivalInterval, dhcpStatLastArrivalTime, dhcpStatSumSquaresArrivalTime, dhcpStatMinResponseTime, dhcpStatMaxResponseTime, dhcpStatSumResponseTime, dhcpStatSumSquaresResponseTime } STATUS current DESCRIPTION "Objects belonging to the dhcpStatisticsGroup." ::= { dhcpServerMIBGroups 5 } serverConfigurationGroup OBJECT-GROUP OBJECTS { serverSubnet, serverSubnetMask, serverSubnetSharedNet, serverRangeStart, serverRangeEnd, serverRangeSubnet, serverRangeInUse, serverRangeOutstandingOffers, serverAddress, serverAddressSubnet, -- serverAddressRange, # /*duplicate*/ serverAddressRange, serverAddressType, serverAddressTimeRemaining, serverAddressAllowedProtocol, serverAddressServedProtocol, serverAddressHardwareAddress, # /*renamed*/ serverAddressClientId, serverAddressHostName, serverAddressDomainName } STATUS current DESCRIPTION "Objects belonging to the serverConfigurationGroup." ::= { dhcpServerMIBGroups 6 } serverClientsGroup OBJECT-GROUP OBJECTS { serverClientHardwareAddress, # /*renamed*/ serverClientSubnet, serverClientAddress, serverClientLastRequestTime, serverClientLastRequestType, serverClientLastResponseType } STATUS current DESCRIPTION "Objects belonging to the serverClientsGroup." ::= { dhcpServerMIBGroups 7 } serverSharedNetworkObjectsGroup OBJECT-GROUP # /*new*/ OBJECTS { serverSharedNetworkFreeAddrLowThreshold, serverSharedNetworkFreeAddrHighThreshold, serverSharedNetworkFreeAddrValue, serverSharedNetworkFreeAddrUnits } STATUS current DESCRIPTION "DHCP Server MIB objects used in shared networks." ::= { dhcpServerMIBGroups 8 } serverNotifyObjectsGroup OBJECT-GROUP # /*new*/ OBJECTS { serverNotifyDuplicateIPAddress, serverNotifyMACAddress, serverNotifyDuplicateIPAddressDetectedBy, serverNotifyServer, serverNotifyServerType, serverNotifyContestedIpAddress } STATUS current DESCRIPTION "DHCP Server MIB objects used in notifications." ::= { dhcpServerMIBGroups 9 } serverNotifyicationsGroup NOTIFICATION-GROUP # /*new*/ NOTIFICATIONS { serverFreeAddressLow, serverFreeAddressHigh, serverServerStart, serverServerStop, serverDNSQueueTooBig, serverOtherServerNotResponding, serverDuplicateAddress, serverAddressConflict, serverOtherServerResponding, serverFailoverConfigMismatch } STATUS current DESCRIPTION "Notifyications which are implemented by the DHCP Server agent." ::= { dhcpServerMIBGroups 10 } END -- -- Copyright (C) The Internet Society (2000). All Rights Reserved. -- -- This document and translations of it may be copied and furnished to -- others, and derivative works that comment on or otherwise explain it -- or assist in its implementation may be prepared, copied, published -- and distributed, in whole or in part, without restriction of any -- kind, provided that the above copyright notice and this paragraph -- are included on all such copies and derivative works. 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