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