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+SCTP-MIB DEFINITIONS ::= BEGIN
+
+IMPORTS
+ MODULE-IDENTITY, OBJECT-TYPE, Integer32, Unsigned32, Gauge32,
+ Counter32, Counter64, mib-2
+ FROM SNMPv2-SMI -- [RFC2578]
+ TimeStamp, TruthValue
+ FROM SNMPv2-TC -- [RFC2579]
+ MODULE-COMPLIANCE, OBJECT-GROUP
+ FROM SNMPv2-CONF -- [RFC2580]
+ InetAddressType, InetAddress, InetPortNumber
+ FROM INET-ADDRESS-MIB; -- [RFC3291]
+
+sctpMIB MODULE-IDENTITY
+ LAST-UPDATED "200409020000Z" -- 2nd September 2004
+ ORGANIZATION "IETF SIGTRAN Working Group"
+ CONTACT-INFO
+ "
+ WG EMail: sigtran@ietf.org
+
+ Web Page:
+ http://www.ietf.org/html.charters/sigtran-charter.html
+
+ Chair: Lyndon Ong
+ Ciena Corporation
+ 0480 Ridgeview Drive
+ Cupertino, CA 95014
+ USA
+ Tel:
+ Email: lyong@ciena.com
+
+ Editors: Maria-Carmen Belinchon
+ R&D Department
+ Ericsson Espana S. A.
+ Via de los Poblados, 13
+ 28033 Madrid
+ Spain
+ Tel: +34 91 339 3535
+ Email: Maria.C.Belinchon@ericsson.com
+
+ Jose-Javier Pastor-Balbas
+ R&D Department
+ Ericsson Espana S. A.
+ Via de los Poblados, 13
+ 28033 Madrid
+ Spain
+ Tel: +34 91 339 1397
+ Email: J.Javier.Pastor@ericsson.com
+ "
+ DESCRIPTION
+ "The MIB module for managing SCTP implementations.
+
+ Copyright (C) The Internet Society (2004). This version of
+ this MIB module is part of RFC 3873; see the RFC itself for
+ full legal notices. "
+
+ REVISION "200409020000Z" -- 2nd September 2004
+ DESCRIPTION " Initial version, published as RFC 3873"
+ ::= { mib-2 104 }
+
+-- the SCTP base variables group
+
+sctpObjects OBJECT IDENTIFIER ::= { sctpMIB 1 }
+
+sctpStats OBJECT IDENTIFIER ::= { sctpObjects 1 }
+sctpParams OBJECT IDENTIFIER ::= { sctpObjects 2 }
+
+-- STATISTICS
+-- **********
+
+-- STATE-RELATED STATISTICS
+
+sctpCurrEstab OBJECT-TYPE
+ SYNTAX Gauge32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of associations for which the current state is
+ either ESTABLISHED, SHUTDOWN-RECEIVED or SHUTDOWN-PENDING."
+ REFERENCE
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+ ::= { sctpStats 1 }
+
+sctpActiveEstabs OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of times that associations have made a direct
+ transition to the ESTABLISHED state from the COOKIE-ECHOED
+ state: COOKIE-ECHOED -> ESTABLISHED. The upper layer initiated
+ the association attempt."
+ REFERENCE
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+ ::= { sctpStats 2 }
+
+sctpPassiveEstabs OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of times that associations have made a direct
+ transition to the ESTABLISHED state from the CLOSED state:
+ CLOSED -> ESTABLISHED. The remote endpoint initiated the
+ association attempt."
+ REFERENCE
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+ ::= { sctpStats 3 }
+
+sctpAborteds OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of times that associations have made a direct
+ transition to the CLOSED state from any state using the
+ primitive 'ABORT': AnyState --Abort--> CLOSED. Ungraceful
+ termination of the association."
+ REFERENCE
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+ ::= { sctpStats 4 }
+
+sctpShutdowns OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of times that associations have made a direct
+ transition to the CLOSED state from either the SHUTDOWN-SENT
+ state or the SHUTDOWN-ACK-SENT state. Graceful termination of
+ the association."
+ REFERENCE
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+ ::= { sctpStats 5 }
+
+-- OTHER LAYER STATISTICS
+
+sctpOutOfBlues OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of out of the blue packets received by the host.
+ An out of the blue packet is an SCTP packet correctly formed,
+ including the proper checksum, but for which the receiver was
+ unable to identify an appropriate association."
+ REFERENCE
+ "Section 8.4 in RFC2960 deals with the Out-Of-The-Blue
+ (OOTB) packet definition and procedures."
+ ::= { sctpStats 6 }
+
+sctpChecksumErrors OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP packets received with an invalid
+ checksum."
+ REFERENCE
+ "The checksum is located at the end of the SCTP packet as per
+ Section 3.1 in RFC2960. RFC3309 updates SCTP to use a 32 bit
+ CRC checksum."
+::= { sctpStats 7 }
+
+sctpOutCtrlChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP control chunks sent (retransmissions are
+ not included). Control chunks are those chunks different from
+ DATA."
+ REFERENCE
+ "Sections 1.3.5 and 1.4 in RFC2960 refer to control chunk as
+ those chunks different from those that contain user
+ information, i.e., DATA chunks."
+ ::= { sctpStats 8 }
+
+sctpOutOrderChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP ordered data chunks sent (retransmissions
+ are not included)."
+ REFERENCE
+ "Section 3.3.1 in RFC2960 defines the ordered data chunk."
+ ::= { sctpStats 9 }
+
+sctpOutUnorderChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP unordered chunks (data chunks in which the
+ U bit is set to 1) sent (retransmissions are not included)."
+ REFERENCE
+ "Section 3.3.1 in RFC2960 defines the unordered data chunk."
+ ::= { sctpStats 10 }
+
+sctpInCtrlChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP control chunks received (no duplicate
+ chunks included)."
+ REFERENCE
+ "Sections 1.3.5 and 1.4 in RFC2960 refer to control chunk as
+ those chunks different from those that contain user
+ information, i.e., DATA chunks."
+ ::= { sctpStats 11 }
+
+sctpInOrderChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP ordered data chunks received (no duplicate
+ chunks included)."
+ REFERENCE
+ "Section 3.3.1 in RFC2960 defines the ordered data chunk."
+ ::= { sctpStats 12 }
+
+sctpInUnorderChunks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP unordered chunks (data chunks in which the
+ U bit is set to 1) received (no duplicate chunks included)."
+ REFERENCE
+ "Section 3.3.1 in RFC2960 defines the unordered data chunk."
+ ::= { sctpStats 13 }
+
+sctpFragUsrMsgs OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of user messages that have to be fragmented
+ because of the MTU."
+ ::= { sctpStats 14 }
+
+sctpReasmUsrMsgs OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of user messages reassembled, after conversion
+ into DATA chunks."
+ REFERENCE
+ "Section 6.9 in RFC2960 includes a description of the
+ reassembly process."
+ ::= { sctpStats 15 }
+
+sctpOutSCTPPacks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP packets sent. Retransmitted DATA chunks
+ are included."
+ ::= { sctpStats 16 }
+
+sctpInSCTPPacks OBJECT-TYPE
+ SYNTAX Counter64
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The number of SCTP packets received. Duplicates are
+ included."
+ ::= { sctpStats 17 }
+
+sctpDiscontinuityTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime on the most recent occasion at which
+ any one or more of this general statistics counters suffered a
+ discontinuity. The relevant counters are the specific
+ instances associated with this interface of any Counter32 or
+ Counter64 object contained in the SCTP layer statistics
+ (defined below sctpStats branch). If no such discontinuities
+ have occurred since the last re-initialization of the local
+ management subsystem, then this object contains a zero value."
+ REFERENCE
+ "The inclusion of this object is recommended by RFC2578."
+ ::= { sctpStats 18 }
+
+-- PROTOCOL GENERAL VARIABLES
+-- **************************
+
+sctpRtoAlgorithm OBJECT-TYPE
+ SYNTAX INTEGER {
+ other(1), -- Other new one. Future use
+ vanj(2) -- Van Jacobson's algorithm
+ }
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The algorithm used to determine the timeout value (T3-rtx)
+ used for re-transmitting unacknowledged chunks."
+ REFERENCE
+ "Section 6.3.1 and 6.3.2 in RFC2960 cover the RTO calculation
+ and retransmission timer rules."
+ DEFVAL {vanj} -- vanj(2)
+ ::= { sctpParams 1 }
+
+sctpRtoMin OBJECT-TYPE
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The minimum value permitted by a SCTP implementation for the
+ retransmission timeout value, measured in milliseconds. More
+ refined semantics for objects of this type depend upon the
+ algorithm used to determine the retransmission timeout value.
+
+ A retransmission time value of zero means immediate
+ retransmission.
+
+ The value of this object has to be lower than or equal to
+ stcpRtoMax's value."
+ DEFVAL {1000} -- milliseconds
+ ::= { sctpParams 2 }
+
+sctpRtoMax OBJECT-TYPE
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The maximum value permitted by a SCTP implementation for the
+ retransmission timeout value, measured in milliseconds. More
+ refined semantics for objects of this type depend upon the
+ algorithm used to determine the retransmission timeout value.
+
+ A retransmission time value of zero means immediate re-
+ transmission.
+
+ The value of this object has to be greater than or equal to
+ stcpRtoMin's value."
+ DEFVAL {60000} -- milliseconds
+ ::= { sctpParams 3 }
+
+sctpRtoInitial OBJECT-TYPE
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The initial value for the retransmission timer.
+
+ A retransmission time value of zero means immediate re-
+ transmission."
+ DEFVAL {3000} -- milliseconds
+ ::= { sctpParams 4 }
+
+sctpMaxAssocs OBJECT-TYPE
+ SYNTAX Integer32 (-1 | 0..2147483647)
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The limit on the total number of associations the entity can
+ support. In entities where the maximum number of associations
+ is dynamic, this object should contain the value -1."
+ ::= { sctpParams 5 }
+
+sctpValCookieLife OBJECT-TYPE
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "Valid cookie life in the 4-way start-up handshake procedure."
+ REFERENCE
+ "Section 5.1.3 in RFC2960 explains the cookie generation
+ process. Recommended value is per section 14 in RFC2960."
+ DEFVAL {60000} -- milliseconds
+ ::= { sctpParams 6 }
+
+sctpMaxInitRetr OBJECT-TYPE
+ SYNTAX Unsigned32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The maximum number of retransmissions at the start-up phase
+ (INIT and COOKIE ECHO chunks). "
+ REFERENCE
+ "Section 5.1.4, 5.1.6 in RFC2960 refers to Max.Init.Retransmit
+ parameter. Recommended value is per section 14 in RFC2960."
+ DEFVAL {8} -- number of attempts
+ ::= { sctpParams 7 }
+
+-- TABLES
+-- ******
+
+-- the SCTP Association TABLE
+
+-- The SCTP association table contains information about each
+-- association in which the local endpoint is involved.
+
+sctpAssocTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpAssocEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "A table containing SCTP association-specific information."
+ ::= { sctpObjects 3 }
+
+sctpAssocEntry OBJECT-TYPE
+ SYNTAX SctpAssocEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "General common variables and statistics for the whole
+ association."
+ INDEX { sctpAssocId }
+ ::= { sctpAssocTable 1 }
+
+SctpAssocEntry ::= SEQUENCE {
+ sctpAssocId Unsigned32,
+ sctpAssocRemHostName OCTET STRING,
+ sctpAssocLocalPort InetPortNumber,
+ sctpAssocRemPort InetPortNumber,
+ sctpAssocRemPrimAddrType InetAddressType,
+ sctpAssocRemPrimAddr InetAddress,
+ sctpAssocHeartBeatInterval Unsigned32,
+ sctpAssocState INTEGER,
+ sctpAssocInStreams Unsigned32,
+ sctpAssocOutStreams Unsigned32,
+ sctpAssocMaxRetr Unsigned32,
+ sctpAssocPrimProcess Unsigned32,
+ sctpAssocT1expireds Counter32, -- Statistic
+ sctpAssocT2expireds Counter32, -- Statistic
+ sctpAssocRtxChunks Counter32, -- Statistic
+ sctpAssocStartTime TimeStamp,
+ sctpAssocDiscontinuityTime TimeStamp
+ }
+
+sctpAssocId OBJECT-TYPE
+ SYNTAX Unsigned32 (1..4294967295)
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Association Identification. Value identifying the
+ association. "
+ ::= { sctpAssocEntry 1 }
+
+sctpAssocRemHostName OBJECT-TYPE
+ SYNTAX OCTET STRING (SIZE(0..255))
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The peer's DNS name. This object needs to have the same
+ format as the encoding in the DNS protocol. This implies that
+ the domain name can be up to 255 octets long, each octet being
+ 0<=x<=255 as value with US-ASCII A-Z having a case insensitive
+ matching.
+
+ If no DNS domain name was received from the peer at init time
+ (embedded in the INIT or INIT-ACK chunk), this object is
+ meaningless. In such cases the object MUST contain a zero-
+ length string value. Otherwise, it contains the remote host
+ name received at init time."
+ ::= { sctpAssocEntry 2 }
+
+sctpAssocLocalPort OBJECT-TYPE
+ SYNTAX InetPortNumber (1..65535)
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The local SCTP port number used for this association."
+ ::= { sctpAssocEntry 3 }
+
+sctpAssocRemPort OBJECT-TYPE
+ SYNTAX InetPortNumber (1..65535)
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The remote SCTP port number used for this association."
+ ::= { sctpAssocEntry 4 }
+
+sctpAssocRemPrimAddrType OBJECT-TYPE
+ SYNTAX InetAddressType
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The internet type of primary remote IP address. "
+ ::= { sctpAssocEntry 5 }
+
+sctpAssocRemPrimAddr OBJECT-TYPE
+ SYNTAX InetAddress
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The primary remote IP address. The type of this address is
+ determined by the value of sctpAssocRemPrimAddrType.
+
+ The client side will know this value after INIT_ACK message
+ reception, the server side will know this value when sending
+ INIT_ACK message. However, values will be filled in at
+ established(4) state."
+ ::= { sctpAssocEntry 6 }
+
+sctpAssocHeartBeatInterval OBJECT-TYPE
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The current heartbeat interval..
+
+ Zero value means no HeartBeat, even when the concerned
+ sctpAssocRemAddrHBFlag object is true."
+ DEFVAL {30000} -- milliseconds
+ ::= { sctpAssocEntry 7 }
+
+sctpAssocState OBJECT-TYPE
+ SYNTAX INTEGER {
+ closed(1),
+ cookieWait(2),
+ cookieEchoed(3),
+ established(4),
+ shutdownPending(5),
+ shutdownSent(6),
+ shutdownReceived(7),
+ shutdownAckSent(8),
+ deleteTCB(9)
+ }
+ MAX-ACCESS read-write
+ STATUS current
+ DESCRIPTION
+ "The state of this SCTP association.
+
+ As in TCP, deleteTCB(9) is the only value that may be set by a
+ management station. If any other value is received, then the
+ agent must return a wrongValue error.
+
+ If a management station sets this object to the value
+ deleteTCB(9), then this has the effect of deleting the TCB (as
+ defined in SCTP) of the corresponding association on the
+ managed node, resulting in immediate termination of the
+ association.
+
+ As an implementation-specific option, an ABORT chunk may be
+ sent from the managed node to the other SCTP endpoint as a
+ result of setting the deleteTCB(9) value. The ABORT chunk
+ implies an ungraceful association shutdown."
+ REFERENCE
+ "Section 4 in RFC2960 covers the SCTP Association state
+ diagram."
+ ::= { sctpAssocEntry 8 }
+
+sctpAssocInStreams OBJECT-TYPE
+ SYNTAX Unsigned32 (1..65535)
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "Inbound Streams according to the negotiation at association
+ start up."
+ REFERENCE
+ "Section 1.3 in RFC2960 includes a definition of stream.
+ Section 5.1.1 in RFC2960 covers the streams negotiation
+ process."
+ ::= { sctpAssocEntry 9 }
+
+sctpAssocOutStreams OBJECT-TYPE
+ SYNTAX Unsigned32 (1..65535)
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "Outbound Streams according to the negotiation at association
+ start up. "
+ REFERENCE
+ "Section 1.3 in RFC2960 includes a definition of stream.
+ Section 5.1.1 in RFC2960 covers the streams negotiation
+ process."
+ ::= { sctpAssocEntry 10 }
+
+sctpAssocMaxRetr OBJECT-TYPE
+ SYNTAX Unsigned32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The maximum number of data retransmissions in the association
+ context. This value is specific for each association and the
+ upper layer can change it by calling the appropriate
+ primitives. This value has to be smaller than the addition of
+ all the maximum number for all the paths
+ (sctpAssocRemAddrMaxPathRtx).
+
+ A value of zero value means no retransmissions."
+ DEFVAL {10} -- number of attempts
+ ::= { sctpAssocEntry 11 }
+
+sctpAssocPrimProcess OBJECT-TYPE
+ SYNTAX Unsigned32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "This object identifies the system level process which holds
+ primary responsibility for the SCTP association.
+ Wherever possible, this should be the system's native unique
+ identification number. The special value 0 can be used to
+ indicate that no primary process is known.
+
+ Note that the value of this object can be used as a pointer
+ into the swRunTable of the HOST-RESOURCES-MIB(if the value is
+ smaller than 2147483647) or into the sysApplElmtRunTable of
+ the SYSAPPL-MIB."
+ ::= { sctpAssocEntry 12 }
+
+-- Association Statistics
+
+sctpAssocT1expireds OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The T1 timer determines how long to wait for an
+ acknowledgement after sending an INIT or COOKIE-ECHO chunk.
+ This object reflects the number of times the T1 timer expires
+ without having received the acknowledgement.
+
+ Discontinuities in the value of this counter can occur at re-
+ initialization of the management system, and at other times as
+ indicated by the value of sctpAssocDiscontinuityTime."
+ REFERENCE
+ "Section 5 in RFC2960."
+ ::= { sctpAssocEntry 13 }
+
+sctpAssocT2expireds OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The T2 timer determines how long to wait for an
+ acknowledgement after sending a SHUTDOWN or SHUTDOWN-ACK
+ chunk. This object reflects the number of times that T2- timer
+ expired.
+
+ Discontinuities in the value of this counter can occur at re-
+ initialization of the management system, and at other times as
+ indicated by the value of sctpAssocDiscontinuityTime."
+REFERENCE
+ "Section 9.2 in RFC2960."
+ ::= { sctpAssocEntry 14 }
+
+sctpAssocRtxChunks OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "When T3-rtx expires, the DATA chunks that triggered the T3
+ timer will be re-sent according with the retransmissions
+ rules. Every DATA chunk that was included in the SCTP packet
+ that triggered the T3-rtx timer must be added to the value of
+ this counter.
+
+ Discontinuities in the value of this counter can occur at re-
+ initialization of the management system, and at other times as
+ indicated by the value of sctpAssocDiscontinuityTime."
+ REFERENCE
+ "Section 6 in RFC2960 covers the retransmission process and
+ rules."
+ ::= { sctpAssocEntry 15 }
+
+sctpAssocStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that the association
+ represented by this row enters the ESTABLISHED state, i.e.,
+ the sctpAssocState object is set to established(4). The
+ value of this object will be zero:
+ - before the association enters the established(4)
+ state, or
+
+ - if the established(4) state was entered prior to
+ the last re-initialization of the local network management
+ subsystem."
+ ::= { sctpAssocEntry 16 }
+
+sctpAssocDiscontinuityTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime on the most recent occasion at which
+ any one or more of this SCTP association counters suffered a
+ discontinuity. The relevant counters are the specific
+ instances associated with this interface of any Counter32 or
+ Counter64 object contained in the sctpAssocTable or
+ sctpLocalAddrTable or sctpRemAddrTable. If no such
+ discontinuities have occurred since the last re-initialization
+ of the local management subsystem, then this object contains a
+ zero value. "
+ REFERENCE
+ "The inclusion of this object is recommended by RFC2578."
+ ::= { sctpAssocEntry 17 }
+
+-- Expanded tables: Including Multi-home feature
+
+-- Local Address TABLE
+-- *******************
+
+sctpAssocLocalAddrTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpAssocLocalAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Expanded table of sctpAssocTable based on the AssocId index.
+ This table shows data related to each local IP address which
+ is used by this association."
+ ::= { sctpObjects 4 }
+
+sctpAssocLocalAddrEntry OBJECT-TYPE
+ SYNTAX SctpAssocLocalAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Local information about the available addresses. There will
+ be an entry for every local IP address defined for this
+
+ association.
+ Implementors need to be aware that if the size of
+ sctpAssocLocalAddr exceeds 114 octets then OIDs of column
+ instances in this table will have more than 128 sub-
+ identifiers and cannot be accessed using SNMPv1, SNMPv2c, or
+ SNMPv3."
+ INDEX { sctpAssocId, -- shared index
+ sctpAssocLocalAddrType,
+ sctpAssocLocalAddr }
+ ::= { sctpAssocLocalAddrTable 1 }
+
+SctpAssocLocalAddrEntry ::= SEQUENCE {
+ sctpAssocLocalAddrType InetAddressType,
+ sctpAssocLocalAddr InetAddress,
+ sctpAssocLocalAddrStartTime TimeStamp
+ }
+
+sctpAssocLocalAddrType OBJECT-TYPE
+ SYNTAX InetAddressType
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Internet type of local IP address used for this association."
+ ::= { sctpAssocLocalAddrEntry 1 }
+
+sctpAssocLocalAddr OBJECT-TYPE
+ SYNTAX InetAddress
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "The value of a local IP address available for this
+ association. The type of this address is determined by the
+ value of sctpAssocLocalAddrType."
+ ::= { sctpAssocLocalAddrEntry 2 }
+
+sctpAssocLocalAddrStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that this row was
+ created."
+ ::= { sctpAssocLocalAddrEntry 3 }
+
+-- Remote Addresses TABLE
+-- **********************
+
+sctpAssocRemAddrTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpAssocRemAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Expanded table of sctpAssocTable based on the AssocId index.
+ This table shows data related to each remote peer IP address
+ which is used by this association."
+ ::= { sctpObjects 5 }
+
+sctpAssocRemAddrEntry OBJECT-TYPE
+ SYNTAX SctpAssocRemAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Information about the most important variables for every
+ remote IP address. There will be an entry for every remote IP
+ address defined for this association.
+
+ Implementors need to be aware that if the size of
+ sctpAssocRemAddr exceeds 114 octets then OIDs of column
+ instances in this table will have more than 128 sub-
+ identifiers and cannot be accessed using SNMPv1, SNMPv2c, or
+ SNMPv3."
+ INDEX { sctpAssocId, -- shared index
+ sctpAssocRemAddrType,
+ sctpAssocRemAddr }
+ ::= { sctpAssocRemAddrTable 1 }
+
+SctpAssocRemAddrEntry ::= SEQUENCE {
+ sctpAssocRemAddrType InetAddressType,
+ sctpAssocRemAddr InetAddress,
+ sctpAssocRemAddrActive TruthValue,
+ sctpAssocRemAddrHBActive TruthValue,
+ sctpAssocRemAddrRTO Unsigned32,
+ sctpAssocRemAddrMaxPathRtx Unsigned32,
+ sctpAssocRemAddrRtx Counter32, -- Statistic
+ sctpAssocRemAddrStartTime TimeStamp
+ }
+
+sctpAssocRemAddrType OBJECT-TYPE
+ SYNTAX InetAddressType
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "Internet type of a remote IP address available for this
+ association."
+ ::= { sctpAssocRemAddrEntry 1 }
+
+sctpAssocRemAddr OBJECT-TYPE
+ SYNTAX InetAddress
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "The value of a remote IP address available for this
+ association. The type of this address is determined by the
+ value of sctpAssocLocalAddrType."
+ ::= { sctpAssocRemAddrEntry 2 }
+
+sctpAssocRemAddrActive OBJECT-TYPE
+ SYNTAX TruthValue
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "This object gives information about the reachability of this
+ specific remote IP address.
+
+ When the object is set to 'true' (1), the remote IP address is
+ understood as Active. Active means that the threshold of no
+ answers received from this IP address has not been reached.
+
+ When the object is set to 'false' (2), the remote IP address
+ is understood as Inactive. Inactive means that either no
+ heartbeat or any other message was received from this address,
+ reaching the threshold defined by the protocol."
+ REFERENCE
+ "The remote transport states are defined as Active and
+ Inactive in the SCTP, RFC2960."
+ ::= { sctpAssocRemAddrEntry 3 }
+
+sctpAssocRemAddrHBActive OBJECT-TYPE
+ SYNTAX TruthValue
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "This object indicates whether the optional Heartbeat check
+ associated to one destination transport address is activated
+ or not (value equal to true or false, respectively). "
+ ::= { sctpAssocRemAddrEntry 4 }
+
+sctpAssocRemAddrRTO OBJECT-TYPE -- T3-rtx- Timer
+ SYNTAX Unsigned32
+ UNITS "milliseconds"
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The current Retransmission Timeout. T3-rtx timer as defined
+ in the protocol SCTP."
+ REFERENCE
+ "Section 6.3 in RFC2960 deals with the Retransmission Timer
+ Management."
+ ::= { sctpAssocRemAddrEntry 5 }
+
+sctpAssocRemAddrMaxPathRtx OBJECT-TYPE
+ SYNTAX Unsigned32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "Maximum number of DATA chunks retransmissions allowed to a
+ remote IP address before it is considered inactive, as defined
+ in RFC2960."
+ REFERENCE
+ "Section 8.2, 8.3 and 14 in RFC2960."
+ DEFVAL {5} -- number of attempts
+ ::= { sctpAssocRemAddrEntry 6 }
+
+-- Remote Address Statistic
+
+sctpAssocRemAddrRtx OBJECT-TYPE
+ SYNTAX Counter32
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "Number of DATA chunks retransmissions to this specific IP
+ address. When T3-rtx expires, the DATA chunk that triggered
+ the T3 timer will be re-sent according to the retransmissions
+ rules. Every DATA chunk that is included in a SCTP packet and
+ was transmitted to this specific IP address before, will be
+ included in this counter.
+
+ Discontinuities in the value of this counter can occur at re-
+ initialization of the management system, and at other times as
+ indicated by the value of sctpAssocDiscontinuityTime."
+ ::= { sctpAssocRemAddrEntry 7 }
+
+sctpAssocRemAddrStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that this row was
+ created."
+ ::= { sctpAssocRemAddrEntry 8 }
+
+-- ASSOCIATION INVERSE TABLE
+-- *************************
+
+-- BY LOCAL PORT
+
+sctpLookupLocalPortTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpLookupLocalPortEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "With the use of this table, a list of associations which are
+
+ using the specified local port can be retrieved."
+ ::= { sctpObjects 6 }
+
+sctpLookupLocalPortEntry OBJECT-TYPE
+ SYNTAX SctpLookupLocalPortEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "This table is indexed by local port and association ID.
+ Specifying a local port, we would get a list of the
+ associations whose local port is the one specified."
+ INDEX { sctpAssocLocalPort,
+ sctpAssocId }
+ ::= { sctpLookupLocalPortTable 1 }
+
+SctpLookupLocalPortEntry::= SEQUENCE {
+ sctpLookupLocalPortStartTime TimeStamp
+ }
+
+sctpLookupLocalPortStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that this row was created.
+
+ As the table will be created after the sctpAssocTable
+ creation, this value could be equal to the sctpAssocStartTime
+ object from the main table."
+ ::= { sctpLookupLocalPortEntry 1 }
+
+-- BY REMOTE PORT
+
+sctpLookupRemPortTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpLookupRemPortEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "With the use of this table, a list of associations which are
+ using the specified remote port can be got"
+ ::= { sctpObjects 7 }
+
+sctpLookupRemPortEntry OBJECT-TYPE
+ SYNTAX SctpLookupRemPortEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "This table is indexed by remote port and association ID.
+ Specifying a remote port we would get a list of the
+ associations whose local port is the one specified "
+ INDEX { sctpAssocRemPort,
+ sctpAssocId }
+ ::= { sctpLookupRemPortTable 1 }
+
+SctpLookupRemPortEntry::= SEQUENCE {
+ sctpLookupRemPortStartTime TimeStamp
+ }
+
+sctpLookupRemPortStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that this row was created.
+
+ As the table will be created after the sctpAssocTable
+ creation, this value could be equal to the sctpAssocStartTime
+ object from the main table."
+ ::= { sctpLookupRemPortEntry 1 }
+
+-- BY REMOTE HOST NAME
+
+sctpLookupRemHostNameTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpLookupRemHostNameEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "With the use of this table, a list of associations with that
+ particular host can be retrieved."
+ ::= { sctpObjects 8 }
+
+sctpLookupRemHostNameEntry OBJECT-TYPE
+ SYNTAX SctpLookupRemHostNameEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "This table is indexed by remote host name and association ID.
+ Specifying a host name we would get a list of the associations
+ specifying that host name as the remote one.
+
+ Implementors need to be aware that if the size of
+ sctpAssocRemHostName exceeds 115 octets then OIDs of column
+ instances in this table will have more than 128 sub-
+ identifiers and cannot be accessed using SNMPv1, SNMPv2c, or
+ SNMPv3."
+ INDEX { sctpAssocRemHostName,
+ sctpAssocId }
+ ::= { sctpLookupRemHostNameTable 1 }
+
+SctpLookupRemHostNameEntry::= SEQUENCE {
+ sctpLookupRemHostNameStartTime TimeStamp
+ }
+
+sctpLookupRemHostNameStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of sysUpTime at the time that this row was created.
+
+ As the table will be created after the sctpAssocTable
+ creation, this value could be equal to the sctpAssocStartTime
+ object from the main table."
+ ::= { sctpLookupRemHostNameEntry 1 }
+
+-- BY REMOTE PRIMARY IP ADDRESS
+
+sctpLookupRemPrimIPAddrTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpLookupRemPrimIPAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "With the use of this table, a list of associations that have
+ the specified IP address as primary within the remote set of
+ active addresses can be retrieved."
+ ::= { sctpObjects 9 }
+
+sctpLookupRemPrimIPAddrEntry OBJECT-TYPE
+ SYNTAX SctpLookupRemPrimIPAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "This table is indexed by primary address and association ID.
+ Specifying a primary address, we would get a list of the
+ associations that have the specified remote IP address marked
+ as primary.
+ Implementors need to be aware that if the size of
+ sctpAssocRemPrimAddr exceeds 114 octets then OIDs of column
+ instances in this table will have more than 128 sub-
+ identifiers and cannot be accessed using SNMPv1, SNMPv2c, or
+ SNMPv3."
+ INDEX { sctpAssocRemPrimAddrType,
+ sctpAssocRemPrimAddr,
+ sctpAssocId }
+ ::= { sctpLookupRemPrimIPAddrTable 1 }
+
+SctpLookupRemPrimIPAddrEntry::= SEQUENCE {
+ sctpLookupRemPrimIPAddrStartTime TimeStamp
+ }
+
+sctpLookupRemPrimIPAddrStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of SysUpTime at the time that this row was created.
+
+ As the table will be created after the sctpAssocTable
+ creation, this value could be equal to the sctpAssocStartTime
+ object from the main table."
+ ::= { sctpLookupRemPrimIPAddrEntry 1 }
+
+-- BY REMOTE IP ADDRESS
+
+sctpLookupRemIPAddrTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF SctpLookupRemIPAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "With the use of this table, a list of associations that have
+ the specified IP address as one of the remote ones can be
+ retrieved. "
+ ::= { sctpObjects 10 }
+
+sctpLookupRemIPAddrEntry OBJECT-TYPE
+ SYNTAX SctpLookupRemIPAddrEntry
+ MAX-ACCESS not-accessible
+ STATUS current
+ DESCRIPTION
+ "This table is indexed by a remote IP address and association
+ ID. Specifying an IP address we would get a list of the
+ associations that have the specified IP address included
+ within the set of remote IP addresses."
+ INDEX { sctpAssocRemAddrType,
+ sctpAssocRemAddr,
+ sctpAssocId }
+ ::= { sctpLookupRemIPAddrTable 1 }
+
+SctpLookupRemIPAddrEntry::= SEQUENCE {
+
+ sctpLookupRemIPAddrStartTime TimeStamp
+ }
+
+sctpLookupRemIPAddrStartTime OBJECT-TYPE
+ SYNTAX TimeStamp
+ MAX-ACCESS read-only
+ STATUS current
+ DESCRIPTION
+ "The value of SysUpTime at the time that this row was created.
+
+ As the table will be created after the sctpAssocTable
+ creation, this value could be equal to the sctpAssocStartTime
+ object from the main table."
+ ::= { sctpLookupRemIPAddrEntry 1 }
+
+-- 4.1 Conformance Information
+
+sctpMibConformance OBJECT IDENTIFIER ::= { sctpMIB 2 }
+sctpMibCompliances OBJECT IDENTIFIER ::= { sctpMibConformance 1 }
+sctpMibGroups OBJECT IDENTIFIER ::= { sctpMibConformance 2 }
+
+-- 4.1.1 Units of conformance
+
+--
+-- MODULE GROUPS
+--
+
+sctpLayerParamsGroup OBJECT-GROUP
+ OBJECTS { sctpRtoAlgorithm,
+ sctpRtoMin,
+ sctpRtoMax,
+ sctpRtoInitial,
+ sctpMaxAssocs,
+ sctpValCookieLife,
+ sctpMaxInitRetr
+ }
+ STATUS current
+ DESCRIPTION
+ "Common parameters for the SCTP layer, i.e., for all the
+ associations. They can usually be referred to as configuration
+ parameters."
+ ::= { sctpMibGroups 1 }
+
+sctpStatsGroup OBJECT-GROUP
+ OBJECTS { sctpCurrEstab,
+ sctpActiveEstabs,
+ sctpPassiveEstabs,
+ sctpAborteds,
+ sctpShutdowns,
+ sctpOutOfBlues,
+ sctpChecksumErrors,
+ sctpOutCtrlChunks,
+ sctpOutOrderChunks,
+ sctpOutUnorderChunks,
+ sctpInCtrlChunks,
+ sctpInOrderChunks,
+ sctpInUnorderChunks,
+ sctpFragUsrMsgs,
+ sctpReasmUsrMsgs,
+ sctpOutSCTPPacks,
+ sctpInSCTPPacks,
+ sctpDiscontinuityTime,
+ sctpAssocT1expireds,
+ sctpAssocT2expireds,
+ sctpAssocRtxChunks,
+ sctpAssocRemAddrRtx
+ }
+ STATUS current
+ DESCRIPTION
+ "Statistics group. It includes the objects to collect state
+ changes in the SCTP protocol local layer and flow control
+ statistics."
+ ::= { sctpMibGroups 2 }
+
+sctpPerAssocParamsGroup OBJECT-GROUP
+ OBJECTS { sctpAssocRemHostName,
+ sctpAssocLocalPort,
+ sctpAssocRemPort,
+ sctpAssocRemPrimAddrType,
+ sctpAssocRemPrimAddr,
+ sctpAssocHeartBeatInterval,
+ sctpAssocState,
+ sctpAssocInStreams,
+ sctpAssocOutStreams,
+ sctpAssocMaxRetr,
+ sctpAssocPrimProcess,
+ sctpAssocStartTime,
+ sctpAssocDiscontinuityTime,
+ sctpAssocLocalAddrStartTime,
+ sctpAssocRemAddrActive,
+ sctpAssocRemAddrHBActive,
+ sctpAssocRemAddrRTO,
+ sctpAssocRemAddrMaxPathRtx,
+ sctpAssocRemAddrStartTime
+ }
+ STATUS current
+ DESCRIPTION
+ "The SCTP group of objects to manage per-association
+ parameters. These variables include all the SCTP basic
+ features."
+ ::= { sctpMibGroups 3 }
+
+sctpPerAssocStatsGroup OBJECT-GROUP
+ OBJECTS
+ { sctpAssocT1expireds,
+ sctpAssocT2expireds,
+ sctpAssocRtxChunks,
+ sctpAssocRemAddrRtx
+ }
+ STATUS current
+ DESCRIPTION
+ "Per Association Statistics group. It includes the objects to
+ collect flow control statistics per association."
+ ::= { sctpMibGroups 4 }
+
+sctpInverseGroup OBJECT-GROUP
+ OBJECTS { sctpLookupLocalPortStartTime,
+ sctpLookupRemPortStartTime,
+ sctpLookupRemHostNameStartTime,
+ sctpLookupRemPrimIPAddrStartTime,
+ sctpLookupRemIPAddrStartTime
+ }
+ STATUS current
+ DESCRIPTION
+ "Objects used in the inverse lookup tables."
+ ::= { sctpMibGroups 5 }
+
+-- 4.1.2 Compliance Statements
+
+--
+-- MODULE COMPLIANCES
+--
+
+sctpMibCompliance MODULE-COMPLIANCE
+ STATUS current
+ DESCRIPTION
+ "The compliance statement for SNMP entities which implement
+ this SCTP MIB Module.
+
+ There are a number of INDEX objects that cannot be represented
+ in the form of OBJECT clauses in SMIv2, but for which we have
+ the following compliance requirements, expressed in OBJECT
+ clause form in this description clause:
+
+-- OBJECT sctpAssocLocalAddrType
+-- SYNTAX InetAddressType {ipv4(1), ipv6(2)}
+-- DESCRIPTION
+-- It is only required to have IPv4 and IPv6 addresses without
+-- zone indices.
+-- The address with zone indices is required if an
+-- implementation can connect multiple zones.
+--
+-- OBJECT sctpAssocLocalAddr
+-- SYNTAX InetAddress (SIZE(4|16))
+-- DESCRIPTION
+-- An implementation is only required to support globally
+-- unique IPv4 and IPv6 addresses.
+--
+-- OBJECT sctpAssocRemAddrType
+-- SYNTAX InetAddressType {ipv4(1), ipv6(2)}
+-- DESCRIPTION
+-- It is only required to have IPv4 and IPv6 addresses without
+-- zone indices.
+-- The address with zone indices is required if an
+-- implementation can connect multiple zones.
+--
+-- OBJECT sctpAssocRemAddr
+-- SYNTAX InetAddress (SIZE(4|16))
+-- DESCRIPTION
+-- An implementation is only required to support globally
+-- unique IPv4 and IPv6 addresses.
+--
+ " -- closes DESCRIPTION clause of MODULE-COMPLIANCE
+
+ MODULE -- this module
+
+ MANDATORY-GROUPS { sctpLayerParamsGroup,
+ sctpPerAssocParamsGroup,
+ sctpStatsGroup,
+ sctpPerAssocStatsGroup
+ }
+
+ OBJECT sctpAssocRemPrimAddrType
+ SYNTAX InetAddressType { ipv4(1),
+ ipv6(2)
+ }
+ DESCRIPTION
+ "It is only required to have IPv4 and IPv6 addresses
+ without zone indices.
+
+ The address with zone indices is required if an
+ implementation can connect multiple zones."
+
+ OBJECT sctpAssocRemPrimAddr
+ SYNTAX InetAddress (SIZE(4|16))
+ DESCRIPTION
+ "An implementation is only required to support globally
+ unique IPv4 and globally unique IPv6 addresses."
+
+ OBJECT sctpAssocState
+ WRITE-SYNTAX INTEGER { deleteTCB(9) }
+ MIN-ACCESS read-only
+ DESCRIPTION
+ "Only the deleteTCB(9) value MAY be set by a management
+ station at most. A read-only option is also considered to
+ be compliant with this MIB module description."
+
+ GROUP sctpInverseGroup
+ DESCRIPTION
+ "Objects used in inverse lookup tables. This should be
+ implemented, at the discretion of the implementers, for
+ easier lookups in the association tables"
+ ::= { sctpMibCompliances 1 }
+
+END