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RFC1381-MIB
Package: AdventNetSNMPAPI_4.zip　[view]
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Upload Date: 2021-05-23
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SNMP

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RFC1381-MIB：Code Content
  1. -- Changes to rfc1381 (X.25 LAPB MIB):
  2. --      No changes needed.
  3. -- dperkins@scruznet.com
  5. RFC1381-MIB DEFINITIONS ::= BEGIN
  7.           IMPORTS
  8.                   Counter
  9.                           FROM RFC1155-SMI
  10.                   transmission
  11.                           FROM RFC1213-MIB
  12.                   OBJECT-TYPE
  13.                           FROM RFC-1212;
  15.                           --  LAPB MIB
  17.           lapb    OBJECT IDENTIFIER ::= { transmission 16 }
  19.           PositiveInteger ::= INTEGER (0..2147483647)
  21.           IfIndexType     ::= INTEGER (1..2147483647)
  22.           -- IfIndexType specifies an index object for a table
  23.           -- with entries that match entries in the MIB-II ifTable.
  24.           -- The value of the index for the table will match the
  25.           -- ifIndex entry for same interface in the ifTable.
  26.           -- The values of this object range from 1 to ifNumber
  27.           -- inclusive.
  29.           -- ###########################################################
  30.           --                      LAPB Admn Table
  31.           -- ###########################################################
  33.           -- Support of the lapbAdmnTable is mandatory for all
  34.           -- agents of systems that implement LAPB.
  36.           lapbAdmnTable   OBJECT-TYPE
  37.                   SYNTAX  SEQUENCE OF LapbAdmnEntry
  38.                   ACCESS  not-accessible
  39.                   STATUS  mandatory
  40.                   DESCRIPTION
  41.                           "This table contains objects that can be
  42.                           changed to manage a LAPB interface.
  43.                           Changing one of these parameters may take
  44.                           effect in the operating LAPB immediately or
  45.                           may wait until the interface is restarted
  46.                           depending on the details of the
  47.                           implementation.
  49.                           Most of the objects in this read-write table
  50.                           have corresponding read-only objects in the
  51.                           lapbOperTable that return the current
  52.                           operating value.
  54.                           The operating values may be different from
  55.                           these configured values if changed by XID
  56.                           negotiation or if a configured parameter was
  57.                           changed after the interface was started."
  58.                   ::= { lapb 1 }
  60.           lapbAdmnEntry   OBJECT-TYPE
  61.                   SYNTAX  LapbAdmnEntry
  62.                   ACCESS  not-accessible
  63.                   STATUS  mandatory
  64.                   DESCRIPTION
  65.                           "Configured parameter values for a specific
  66.                           LAPB."
  67.                   INDEX { lapbAdmnIndex }
  68.                   ::= { lapbAdmnTable 1 }
  70.           LapbAdmnEntry ::= SEQUENCE {
  71.                   lapbAdmnIndex
  72.                           IfIndexType,
  73.                   lapbAdmnStationType
  74.                           INTEGER,
  75.                   lapbAdmnControlField
  76.                           INTEGER,
  77.                   lapbAdmnTransmitN1FrameSize
  78.                           PositiveInteger,
  79.                   lapbAdmnReceiveN1FrameSize
  80.                           PositiveInteger,
  81.                   lapbAdmnTransmitKWindowSize
  82.                           INTEGER,
  83.                   lapbAdmnReceiveKWindowSize
  84.                           INTEGER,
  85.                   lapbAdmnN2RxmitCount
  86.                           INTEGER,
  87.                   lapbAdmnT1AckTimer
  88.                           PositiveInteger,
  89.                   lapbAdmnT2AckDelayTimer
  90.                           PositiveInteger,
  91.                   lapbAdmnT3DisconnectTimer
  92.                           PositiveInteger,
  93.                   lapbAdmnT4IdleTimer
  94.                           PositiveInteger,
  95.                   lapbAdmnActionInitiate
  96.                           INTEGER,
  97.                   lapbAdmnActionRecvDM
  98.                           INTEGER
  99.                   }
  101.           lapbAdmnIndex   OBJECT-TYPE
  102.                   SYNTAX  IfIndexType
  103.                   ACCESS  read-only
  104.                   STATUS  mandatory
  105.                   DESCRIPTION
  106.                           "The ifIndex value for the LAPB interface."
  107.                   ::= { lapbAdmnEntry 1 }
  109.           lapbAdmnStationType     OBJECT-TYPE
  110.                   SYNTAX  INTEGER {
  111.                           dte (1),
  112.                           dce (2),
  113.                           dxe (3)
  114.                           }
  115.                   ACCESS  read-write
  116.                   STATUS  mandatory
  117.                   DESCRIPTION
  118.                           "Identifies the desired station type of this
  119.                           interface."
  120.                   REFERENCE "ISO 7776 section 3.1"
  121.                   DEFVAL { dte }
  122.                   ::= { lapbAdmnEntry 2 }
  124.           lapbAdmnControlField OBJECT-TYPE
  125.                   SYNTAX  INTEGER {
  126.                           modulo8 (1),
  127.                           modulo128 (2)
  128.                           }
  129.                   ACCESS  read-write
  130.                   STATUS  mandatory
  131.                   DESCRIPTION
  132.                           "The desired size of the sequence numbers
  133.                           used to number frames."
  134.                   REFERENCE "ISO 8885 Table 3, Name: HDLC Option - 10"
  135.                   DEFVAL { modulo8 }
  136.                   ::= { lapbAdmnEntry 3 }
  138.           lapbAdmnTransmitN1FrameSize OBJECT-TYPE
  139.                   SYNTAX  PositiveInteger
  140.                   ACCESS  read-write
  141.                   STATUS  mandatory
  142.                   DESCRIPTION
  143.                           "The default maximum N1 frame size desired
  144.                           in number of bits for a frame transmitted by
  145.                           this DTE.  This excludes flags and 0 bits
  146.                           inserted for transparency."
  147.                   REFERENCE "ISO 8885 Table 3,
  148.                           Name: Information Field length"
  149.                   DEFVAL { 36000 } -- 4500 * 8; 802.5 Frame size
  150.                   ::= { lapbAdmnEntry 4 }
  152.           lapbAdmnReceiveN1FrameSize OBJECT-TYPE
  153.                   SYNTAX  PositiveInteger
  154.                   ACCESS  read-write
  155.                   STATUS  mandatory
  156.                   DESCRIPTION
  157.                           "The default maximum N1 frame size desired
  158.                           in number of bits for a frame the DCE/remote
  159.                           DTE transmits to this DTE.  This excludes
  160.                           flags and 0 bits inserted for transparency."
  161.                   DEFVAL { 36000  } -- 4500 * 8; 802.5 Frame size
  162.                   ::= { lapbAdmnEntry 5 }
  164.           lapbAdmnTransmitKWindowSize OBJECT-TYPE
  165.                   SYNTAX  INTEGER (1..127)
  166.                   ACCESS  read-write
  167.                   STATUS  mandatory
  168.                   DESCRIPTION
  169.                           "The default transmit window size for this
  170.                           Interface.  This is the maximum number of
  171.                           unacknowledged sequenced PDUs that may be
  172.                           outstanding from this DTE at any one time."
  173.                   REFERENCE "ISO 8885 Table 3, Name: Window size"
  174.                   DEFVAL { 7 }
  175.                   ::= { lapbAdmnEntry 6 }
  177.           lapbAdmnReceiveKWindowSize OBJECT-TYPE
  178.                   SYNTAX  INTEGER (1..127)
  179.                   ACCESS  read-write
  180.                   STATUS  mandatory
  181.                   DESCRIPTION
  182.                           "The default receive window size for this
  183.                           Interface.  This is the maximum number of
  184.                           unacknowledged sequenced PDUs that may be
  185.                           outstanding from the DCE/remote DTE at any
  186.                           one time."
  187.                   REFERENCE "ISO 8885 Table 3, Name: Window size"
  188.                   DEFVAL { 7 }
  189.                   ::= { lapbAdmnEntry 7 }
  191.           lapbAdmnN2RxmitCount    OBJECT-TYPE
  192.                   SYNTAX  INTEGER (0..65535)
  193.                   ACCESS  read-write
  194.                   STATUS  mandatory
  195.                   DESCRIPTION
  196.                           "The default N2 retry counter for this
  197.                           interface.  This specifies the number of
  198.                           times a PDU will be resent after the T1
  199.                           timer expires without an acknowledgement for
  200.                           the PDU."
  201.                   REFERENCE "ISO 8885 Table 3,
  202.                           Name: Retransmission Attempts"
  203.                   DEFVAL { 20 }
  204.                   ::= { lapbAdmnEntry 8 }
  206.           lapbAdmnT1AckTimer      OBJECT-TYPE
  207.                   SYNTAX  PositiveInteger
  208.                   ACCESS  read-write
  209.                   STATUS  mandatory
  210.                   DESCRIPTION
  211.                           "The default T1 timer for this interface.
  212.                           This specifies the maximum time in
  213.                           Milliseconds to wait for acknowledgment of a
  214.                           PDU."
  215.                   REFERENCE "ISO 8885 Table 3, Name:
  216.                           Acknowledgement timer"
  217.                   DEFVAL { 3000 }
  218.                   ::= { lapbAdmnEntry 9 }
  220.           lapbAdmnT2AckDelayTimer         OBJECT-TYPE
  221.                   SYNTAX  PositiveInteger
  222.                   ACCESS  read-write
  223.                   STATUS  mandatory
  224.                   DESCRIPTION
  225.                           "The default T2 timer for this interface.
  226.                           This specifies the maximum time in
  227.                           Milliseconds to wait before sending an
  228.                           acknowledgment for a sequenced PDU.  A value
  229.                           of zero means there will be no delay in
  230.                           acknowledgement generation."
  231.                   REFERENCE "ISO 8885 Table 3,
  232.                           Name: Reply delay timer"
  233.                   DEFVAL { 0 }
  234.                   ::= { lapbAdmnEntry 10 }
  236.           lapbAdmnT3DisconnectTimer OBJECT-TYPE
  237.                   SYNTAX  PositiveInteger
  238.                   ACCESS  read-write
  239.                   STATUS  mandatory
  240.                   DESCRIPTION
  241.                           "The T3 timer for this interface.  This
  242.                           specifies the time in Milliseconds to wait
  243.                           before considering the link disconnected.  A
  244.                           value of zero indicates the link will be
  245.                           considered disconnected upon completion of
  246.                           the frame exchange to disconnect the link."
  247.                   REFERENCE "ISO 7776 section 5.7.1.3"
  248.                   DEFVAL { 60000 }
  249.                   ::= { lapbAdmnEntry 11 }
  251.           lapbAdmnT4IdleTimer OBJECT-TYPE
  252.                   SYNTAX  PositiveInteger
  253.                   ACCESS  read-write
  254.                   STATUS  mandatory
  255.                   DESCRIPTION
  256.                           "The T4 timer for this interface.  This
  257.                           specifies the maximum time in Milliseconds
  258.                           to allow without frames being exchanged on
  259.                           the data link.  A value of 2147483647
  260.                           indicates no idle timer is being kept."
  261.                   REFERENCE "ISO 7776 section 5.7.1.4"
  262.                   DEFVAL { 2147483647 }
  263.                   ::= { lapbAdmnEntry 12 }
  265.           lapbAdmnActionInitiate OBJECT-TYPE
  266.                   SYNTAX  INTEGER {
  267.                   sendSABM (1),
  268.                           sendDISC (2),
  269.                           sendDM (3),
  270.                           none (4),
  271.                           other (5)
  272.                           }
  273.                   ACCESS  read-write
  274.                   STATUS  mandatory
  275.                   DESCRIPTION
  276.                           "This identifies the action LAPB will take
  277.                           to initiate link set-up."
  278.                   DEFVAL { sendSABM }
  279.                   ::= { lapbAdmnEntry 13 }
  282.           lapbAdmnActionRecvDM OBJECT-TYPE
  283.                   SYNTAX  INTEGER {
  284.                           sendSABM (1),
  285.                           sendDISC (2),
  286.                           other (3)
  287.                           }
  288.                   ACCESS  read-write
  289.                   STATUS  mandatory
  290.                   DESCRIPTION
  291.                           "This identifies the action LAPB will take
  292.                           when it receives a DM response."
  293.                   DEFVAL { sendSABM }
  294.                   ::= { lapbAdmnEntry 14 }
  296.           -- ###########################################################
  297.           --                      LAPB operating parameters.
  298.           -- ###########################################################
  300.           -- Support of the lapbOperTable is mandatory for all
  301.           -- agents of systems that implement LAPB.
  303.           lapbOperTable   OBJECT-TYPE
  304.                   SYNTAX  SEQUENCE OF LapbOperEntry
  305.                   ACCESS  not-accessible
  306.                   STATUS  mandatory
  307.                   DESCRIPTION
  308.                           "This table contains configuration
  309.                           information about interface parameters
  310.                           currently set in the interface.  Many of
  311.                           these objects have corresponding objects in
  312.                   the lapbAdmnTable."
  313.                   ::= { lapb 2 }
  315.           lapbOperEntry   OBJECT-TYPE
  316.                   SYNTAX  LapbOperEntry
  317.                   ACCESS  not-accessible
  318.                   STATUS  mandatory
  319.                   DESCRIPTION
  320.                           "Currently set parameter values for a
  321.                           specific LAPB."
  322.                   INDEX { lapbOperIndex }
  323.                   ::= { lapbOperTable 1 }
  325.           LapbOperEntry ::= SEQUENCE {
  326.                   lapbOperIndex
  327.                           IfIndexType,
  328.                   lapbOperStationType
  329.                           INTEGER,
  330.                   lapbOperControlField
  331.                           INTEGER,
  332.                   lapbOperTransmitN1FrameSize
  333.                           PositiveInteger,
  334.                   lapbOperReceiveN1FrameSize
  335.                           PositiveInteger,
  336.                   lapbOperTransmitKWindowSize
  337.                           INTEGER,
  338.                   lapbOperReceiveKWindowSize
  339.                           INTEGER,
  340.                   lapbOperN2RxmitCount
  341.                           INTEGER,
  342.                   lapbOperT1AckTimer
  343.                           PositiveInteger,
  344.                   lapbOperT2AckDelayTimer
  345.                           PositiveInteger,
  346.                   lapbOperT3DisconnectTimer
  347.                           PositiveInteger,
  348.                   lapbOperT4IdleTimer
  349.                           PositiveInteger,
  350.                   lapbOperPortId
  351.                           OBJECT IDENTIFIER,
  352.                   lapbOperProtocolVersionId
  353.                           OBJECT IDENTIFIER
  354.                   }
  356.           lapbOperIndex   OBJECT-TYPE
  357.              SYNTAX       IfIndexType
  358.                   ACCESS  read-only
  359.                   STATUS  mandatory
  360.                   DESCRIPTION
  361.                           "The ifIndex value for the LAPB interface."
  362.                   ::= { lapbOperEntry 1 }
  364.           lapbOperStationType     OBJECT-TYPE
  365.                   SYNTAX  INTEGER {
  366.                           dte (1),
  367.                           dce (2),
  368.                           dxe (3)
  369.                           }
  370.                   ACCESS  read-only
  371.                   STATUS  mandatory
  372.                   DESCRIPTION
  373.                           "Identifies the current operating station
  374.                           type of this interface.  A value of dxe (3)
  375.                           indicates XID negotiation has not yet taken
  376.                           place."
  377.                   REFERENCE "ISO 7776 section 3.1"
  378.                   ::= { lapbOperEntry 2 }
  380.           lapbOperControlField OBJECT-TYPE
  381.                   SYNTAX  INTEGER {
  382.                           modulo8 (1),
  383.                           modulo128 (2)
  384.                           }
  385.                   ACCESS  read-only
  386.                   STATUS  mandatory
  387.                   DESCRIPTION
  388.                           "The current operating size of the sequence
  389.                           numbers used to number frames."
  390.                   REFERENCE "ISO 7776 section 3.3"
  391.                   ::= { lapbOperEntry 3 }
  393.           lapbOperTransmitN1FrameSize OBJECT-TYPE
  394.                   SYNTAX  PositiveInteger
  395.                   ACCESS  read-only
  396.                   STATUS  mandatory
  397.                   DESCRIPTION
  398.                           "The current operating N1 frame size used
  399.                           for the maximum number of bits in a frame
  400.                           this DTE can transmit.  This excludes flags
  401.                           and 0 bits inserted for transparency."
  402.                   REFERENCE "ISO 7776 section 5.7.3"
  403.                   ::= { lapbOperEntry 4 }
  405.           lapbOperReceiveN1FrameSize OBJECT-TYPE
  406.                   SYNTAX  PositiveInteger
  407.                   ACCESS  read-only
  408.                   STATUS  mandatory
  409.                   -- See lapbOperTransmitN1FrameSize above
  410.                   DESCRIPTION
  411.                           "The current operating N1 frame size used
  412.                           for the maximum number of bits in a frame
  413.                           the DCE/remote DTE can transmit.  This
  414.                           excludes flags and 0 bits inserted for
  415.                           transparency."
  416.                   ::= { lapbOperEntry 5 }
  418.           lapbOperTransmitKWindowSize OBJECT-TYPE
  419.                   SYNTAX  INTEGER (1..127)
  420.                   ACCESS  read-only
  421.                   STATUS  mandatory
  422.                   DESCRIPTION
  423.                           "The current PDU window size this Interface
  424.                           uses to transmit.  This is the maximum
  425.                           number of unacknowledged sequenced PDUs that
  426.                           may be outstanding from this DTE at any one
  427.                           time."
  428.                   REFERENCE "ISO 7776 section 5.7.4"
  429.                   ::= { lapbOperEntry 6 }
  431.           lapbOperReceiveKWindowSize OBJECT-TYPE
  432.                   SYNTAX  INTEGER (1..127)
  433.                   ACCESS  read-only
  434.                   STATUS  mandatory
  435.                   DESCRIPTION
  436.                           "The current receive PDU window size for
  437.                           this Interface.  This is the maximum number
  438.                           of unacknowledged sequenced PDUs that may be
  439.                           outstanding from the DCE/remote DTE at any
  440.                           one time."
  441.                   REFERENCE "ISO 7776 section 5.7.4"
  442.                   ::= { lapbOperEntry 7 }
  444.           lapbOperN2RxmitCount    OBJECT-TYPE
  445.                   SYNTAX  INTEGER (0..65535)
  446.                   ACCESS  read-only
  447.                   STATUS  mandatory
  448.                   DESCRIPTION
  449.                           "The current N2 retry counter used for this
  450.                           interface.  This specifies the number of
  451.                           times a PDU will be resent after the T1
  452.                           timer expires without an acknowledgement for
  453.                           the PDU."
  454.                   REFERENCE "ISO 7776 section 5.7.2"
  455.                   ::= { lapbOperEntry 8 }
  457.           lapbOperT1AckTimer      OBJECT-TYPE
  458.                   SYNTAX  PositiveInteger
  459.                   ACCESS  read-only
  460.                   STATUS  mandatory
  461.                   DESCRIPTION
  462.                           "The current T1 timer for this interface.
  463.                           This specifies the maximum time in
  464.                           Milliseconds to wait for acknowledgment of a
  465.                           PDU."
  466.                   REFERENCE "ISO 7776 section 5.7.1.1"
  467.                   ::= { lapbOperEntry 9 }
  469.           lapbOperT2AckDelayTimer         OBJECT-TYPE
  470.                   SYNTAX  PositiveInteger
  471.                   ACCESS  read-only
  472.                   STATUS  mandatory
  473.                   DESCRIPTION
  474.                           "The current T2 timer for this interface.
  475.                           This specifies the maximum time in
  476.                           Milliseconds to wait before sending an
  477.                           acknowledgment for a sequenced PDU.  A value
  478.                           of zero means there will be no delay in
  479.                           acknowledgement generation."
  480.                   REFERENCE "ISO 7776 section 5.7.1.2"
  481.                   ::= { lapbOperEntry 10 }
  483.           lapbOperT3DisconnectTimer OBJECT-TYPE
  484.                   SYNTAX  PositiveInteger
  485.                   ACCESS  read-only
  486.                   STATUS  mandatory
  487.                   DESCRIPTION
  488.                           "The current T3 timer for this interface.
  489.                           This specifies the time in Milliseconds to
  490.                           wait before considering the link
  491.                           disconnected.  A value of zero indicates the
  492.                           link will be considered disconnected upon
  493.                           completion of the frame exchange to
  494.                           disconnect the link."
  495.                   REFERENCE "ISO 7776 section 5.7.1.3"
  496.                   ::= { lapbOperEntry 11 }
  498.           lapbOperT4IdleTimer OBJECT-TYPE
  499.                   SYNTAX  PositiveInteger
  500.                   ACCESS  read-write
  501.                   STATUS  mandatory
  502.                   DESCRIPTION
  503.                           "The current T4 timer for this interface.
  504.                           This specifies the maximum time in
  505.                           Milliseconds to allow without frames being
  506.                           exchanged on the data link.  A value of
  507.                           2147483647 indicates no idle timer is being
  508.                           kept."
  509.                   REFERENCE "ISO 7776 section 5.7.1.4"
  510.                   ::= { lapbOperEntry 12 }
  512.           lapbOperPortId OBJECT-TYPE
  513.                   SYNTAX  OBJECT IDENTIFIER
  514.                   ACCESS  read-only
  515.                   STATUS  mandatory
  516.                   DESCRIPTION
  517.                           "This object identifies an instance of the
  518.                           index object in the first group of objects
  519.                           in the MIB specific to the physical device
  520.                           or interface used to send and receive
  521.                           frames.  If an agent does not support any
  522.                           such objects, it should return nullSpec
  523.                           OBJECT IDENTIFIER {0 0}."
  524.                   ::= { lapbOperEntry 13 }
  526.           lapbOperProtocolVersionId       OBJECT-TYPE
  527.                   SYNTAX  OBJECT IDENTIFIER
  528.                   ACCESS  read-only
  529.                   STATUS  mandatory
  530.                   DESCRIPTION
  531.                           "This object identifies the version of the
  532.                           lapb protocol implemented by this
  533.                           interface."
  534.                   ::= { lapbOperEntry 14 }
  536.           -- ###########################################################
  537.           --                      LAPB    Flow Table
  538.           -- ###########################################################
  540.           -- Support of the lapbFlowTable is mandatory for all
  541.           -- agents of systems that implement LAPB.
  543.           lapbFlowTable OBJECT-TYPE
  544.                   SYNTAX  SEQUENCE OF LapbFlowEntry
  545.                   ACCESS  not-accessible
  546.                   STATUS  mandatory
  547.                   DESCRIPTION
  548.                           "This table defines the objects recorded by
  549.                           LAPB to provide information about the
  550.                           traffic flow through the interface."
  551.                   ::= { lapb 3 }
  553.           lapbFlowEntry OBJECT-TYPE
  554.                   SYNTAX  LapbFlowEntry
  555.                   ACCESS  not-accessible
  556.                   STATUS  mandatory
  557.                   DESCRIPTION
  558.                           "The information regarding the effects of
  559.                           flow controls in LAPB."
  560.                    INDEX { lapbFlowIfIndex }
  561.                   ::= { lapbFlowTable 1 }
  563.           LapbFlowEntry ::= SEQUENCE {
  564.                   lapbFlowIfIndex
  565.                           IfIndexType,
  566.                   lapbFlowStateChanges
  567.                           Counter,
  568.                   lapbFlowChangeReason
  569.                           INTEGER,
  570.                   lapbFlowCurrentMode
  571.                           INTEGER,
  572.                   lapbFlowBusyDefers
  573.                           Counter,
  574.                   lapbFlowRejOutPkts
  575.                           Counter,
  576.                   lapbFlowRejInPkts
  577.                           Counter,
  578.                   lapbFlowT1Timeouts
  579.                           Counter,
  580.                   lapbFlowFrmrSent
  581.                   OCTET STRING,
  582.                   lapbFlowFrmrReceived
  583.                           OCTET STRING,
  584.                   lapbFlowXidReceived
  585.                           OCTET STRING
  586.                   }
  588.           lapbFlowIfIndex OBJECT-TYPE
  589.                   SYNTAX  IfIndexType
  590.                   ACCESS  read-only
  591.                   STATUS  mandatory
  592.                   DESCRIPTION
  593.                           "The ifIndex value for the LAPB Interface."
  594.                   ::= { lapbFlowEntry 1 }
  596.           lapbFlowStateChanges OBJECT-TYPE
  597.                   SYNTAX  Counter
  598.                   ACCESS  read-only
  599.                   STATUS  mandatory
  600.                   DESCRIPTION
  601.                           "The number of LAPB State Changes, including
  602.                           resets."
  603.                   ::= { lapbFlowEntry 2 }
  605.           lapbFlowChangeReason OBJECT-TYPE
  606.                   SYNTAX  INTEGER {
  607.                           notStarted (1),    -- Initial state
  608.                           abmEntered (2),    -- SABM or UA
  609.                           abmeEntered (3),   -- SABME or UA
  610.                           abmReset (4),      -- SABM in ABM
  611.                           abmeReset (5),     -- SABME in ABME
  612.                           dmReceived (6),    -- DM Response
  613.                           dmSent (7),        -- DM sent
  614.                           discReceived (8),  -- DISC Response
  615.                           discSent (9),      -- DISC Sent
  616.                           frmrReceived (10), -- FRMR Received
  617.                           frmrSent (11),     -- FRMR Sent
  618.                           n2Timeout (12),    -- N2 Timer Expired
  619.                           other (13)
  620.                             }
  621.                   ACCESS  read-only
  622.                   STATUS  mandatory
  623.                   DESCRIPTION
  624.                           "The reason for the most recent incrementing
  625.                           of lapbFlowStateChanges.  A DM or DISC frame
  626.                           generated to initiate link set-up does not
  627.                           alter this object.  When the MIB-II object
  628.                           ifOperStatus does not have a value of
  629.                           testing, there exists a correlation between
  630.                           this object and ifOperStatus.  IfOperStatus
  631.                           will have a value of up when this object
  632.                           contains:  abmEntered, abmeEntered,
  633.                           abmReset, or abmeReset.  IfOperStatus will
  634.                           have a value of down when this object has a
  635.                           value of notStarted, or dmReceived through
  636.                           n2Timeout.  There is no correlation when
  637.                           this object has the value other."
  638.                   ::= { lapbFlowEntry 3 }
  640.           lapbFlowCurrentMode OBJECT-TYPE
  641.                   SYNTAX  INTEGER {
  642.                           disconnected (1),
  643.                                   -- initial state or DISC received
  645.                           linkSetup (2),
  646.                                   -- SABM sent
  648.                           frameReject (3),
  649.                                   -- Invalid frame received and
  650.                                   -- FRMR sent
  652.                           disconnectRequest (4),
  653.                                   -- DISC sent
  655.                           informationTransfer (5),
  656.                                   -- normal information transfer state
  657.                                   -- SABM(E) sent and UA received, or
  658.                                   -- SABM(E) received and UA sent
  660.                           rejFrameSent (6),
  661.                                   -- invalid NS received and REJ sent
  663.                           waitingAcknowledgement (7),
  664.                                   -- T1 expired and RR sent
  666.                           stationBusy (8),
  667.                                   -- RNR sent
  669.                           remoteStationBusy (9),
  670.                                   -- RNR received
  672.                           bothStationsBusy (10),
  673.                                   -- RNR received and RNR sent
  675.                           waitingAckStationBusy (11),
  676.                                   -- T1 expired, RNR sent
  678.                           waitingAckRemoteBusy (12),
  679.                                   -- T1 expired, RNR received
  681.                           waitingAckBothBusy (13),
  682.                                   -- T1 expired, RNR sent,
  683.                                   -- and RNR received
  685.                           rejFrameSentRemoteBusy (14),
  686.                                   -- REJ sent and RNR received
  688.                           xidFrameSent (15),
  689.                                   -- XID frame sent
  691.                           error (16),
  692.                                   -- An error state other than
  693.                                   -- a one defined above
  695.                           other (17)
  696.                                   --  A state not listed above
  697.                             }
  698.                   ACCESS  read-only
  699.                   STATUS  mandatory
  700.                   DESCRIPTION
  701.                           "The current condition of the conversation."
  702.                   ::= { lapbFlowEntry 4 }
  704.           lapbFlowBusyDefers OBJECT-TYPE
  705.                   SYNTAX  Counter
  706.                   ACCESS  read-only
  707.                   STATUS  mandatory
  708.                   DESCRIPTION
  709.                           "The number of times this device was unable
  710.                           to transmit a frame due to a perceived
  711.                           remote busy condition.  Busy conditions can
  712.                           result from the receipt of an RNR from the
  713.                           remote device, the lack of valid sequence
  714.                           number space (window saturation), or other
  715.                           conditions."
  716.                   ::= { lapbFlowEntry 5 }
  718.           lapbFlowRejOutPkts OBJECT-TYPE
  719.                   SYNTAX  Counter
  720.                   ACCESS  read-only
  721.                   STATUS  mandatory
  722.                   DESCRIPTION
  723.                           "The number of REJ or SREJ frames sent by
  724.                           this station."
  725.                   ::= { lapbFlowEntry 6 }
  727.           lapbFlowRejInPkts OBJECT-TYPE
  728.                   SYNTAX  Counter
  729.                   ACCESS  read-only
  730.                   STATUS  mandatory
  731.                   DESCRIPTION
  732.                           "The number of REJ or SREJ frames received
  733.                           by this station."
  734.                   ::= { lapbFlowEntry 7 }
  736.           lapbFlowT1Timeouts OBJECT-TYPE
  737.                   SYNTAX  Counter
  738.                   ACCESS  read-only
  739.                   STATUS  mandatory
  740.                   DESCRIPTION
  741.                           "The number of times a re-transmission was
  742.                           effected by the T1 Timer expiring."
  743.                   ::= { lapbFlowEntry 8 }
  745.           lapbFlowFrmrSent OBJECT-TYPE
  746.                   SYNTAX  OCTET STRING (SIZE (0..7))
  747.                   ACCESS  read-only
  748.                   STATUS  mandatory
  749.                   DESCRIPTION
  750.                           "The Information Field of the FRMR most
  751.                           recently sent.  If no FRMR has been sent
  752.                           (the normal case) or the information isn't
  753.                           available, this will be an OCTET STRING of
  754.                           zero length."
  755.                   REFERENCE "ISO 7776 Section 4.3.9, tables 7 and 8"
  756.                   ::= { lapbFlowEntry 9 }
  758.           lapbFlowFrmrReceived OBJECT-TYPE
  759.                   SYNTAX  OCTET STRING (SIZE (0..7))
  760.                   ACCESS  read-only
  761.                   STATUS  mandatory
  762.                   DESCRIPTION
  763.                           "The Information Field of the FRMR most
  764.                           recently received.  If no FRMR has been
  765.                           received (the normal case) or the
  766.                           information isn't available, this will be an
  767.                           OCTET STRING of zero length."
  768.                   REFERENCE "ISO 7776 Section 4.3.9, tables 7 and 8"
  769.                   ::= { lapbFlowEntry 10 }
  771.           lapbFlowXidReceived OBJECT-TYPE
  772.                   SYNTAX  OCTET STRING (SIZE (0..8206))
  773.                   ACCESS  read-only
  774.                   STATUS  mandatory
  775.                   DESCRIPTION
  776.                           "The Information Field of the XID frame most
  777.                           recently received.  If no XID frame has been
  778.                           received, this will be an OCTET STRING of
  779.                           zero length."
  780.                   REFERENCE "ISO 8885"
  781.                   ::= { lapbFlowEntry 11 }
  783.           -- ###########################################################
  784.           --                      LAPB    XID Table
  785.           -- ###########################################################
  787.           -- Support for the lapbXidTable is mandatory for all agents
  788.           -- of systems that have a LAPB implementation using XID
  789.           -- negotiation.  Agents of systems without XID negotiation
  790.           -- support should not implement this table.
  792.           lapbXidTable    OBJECT-TYPE
  793.                   SYNTAX  SEQUENCE OF LapbXidEntry
  794.                   ACCESS  not-accessible
  795.                   STATUS  mandatory
  796.                   DESCRIPTION
  797.                           "This table defines values to use for XID
  798.                           negotiation that are not found in the
  799.                           lapbAdmnTable.  This table is optional for
  800.                           implementations that don't support XID and
  801.                           mandatory for implementations that do
  802.                           initiate XID negotiation."
  803.                   ::= { lapb 4 }
  805.           lapbXidEntry    OBJECT-TYPE
  806.                   SYNTAX  LapbXidEntry
  807.                   ACCESS  not-accessible
  808.                   STATUS  mandatory
  809.                   DESCRIPTION
  810.                           "XId negotiation parameter values for a
  811.                           specific LAPB."
  812.                   INDEX { lapbXidIndex }
  813.                   ::= { lapbXidTable 1 }
  815.           LapbXidEntry ::= SEQUENCE {
  816.                   lapbXidIndex
  817.                           IfIndexType,
  818.                   lapbXidAdRIdentifier
  819.                           OCTET STRING,
  820.                   lapbXidAdRAddress
  821.                           OCTET STRING,
  822.                   lapbXidParameterUniqueIdentifier
  823.                           OCTET STRING,
  824.                   lapbXidGroupAddress
  825.                           OCTET STRING,
  826.                   lapbXidPortNumber
  827.                           OCTET STRING,
  828.                   lapbXidUserDataSubfield
  829.                           OCTET STRING
  830.                   }
  832.           lapbXidIndex    OBJECT-TYPE
  833.                   SYNTAX  IfIndexType
  834.                   ACCESS  read-only
  835.                   STATUS  mandatory
  836.                   DESCRIPTION
  837.                           "The ifIndex value for the LAPB interface."
  838.                   ::= { lapbXidEntry 1 }
  840.           lapbXidAdRIdentifier OBJECT-TYPE
  841.                   SYNTAX  OCTET STRING (SIZE (0..255))
  842.                   ACCESS  read-write
  843.                   STATUS  mandatory
  844.                   DESCRIPTION
  845.                           "The value of the Address Resolution
  846.                           Identifier.  A zero length string indicates
  847.                           no Identifier value has been assigned."
  848.                   REFERENCE "ISO 8885 Table 2, Name: Identifier"
  849.                   DEFVAL { ''h }
  850.                   ::= { lapbXidEntry 2 }
  852.           lapbXidAdRAddress OBJECT-TYPE
  853.                   SYNTAX  OCTET STRING (SIZE (0..255))
  854.                   ACCESS  read-write
  855.                   STATUS  mandatory
  856.                   DESCRIPTION
  857.                           "The value of the Address Resolution
  858.                           Address.  A zero length string indicates no
  859.                           Address value has been assigned."
  860.                   REFERENCE "ISO 8885 Table 2, Name: Address"
  861.                   DEFVAL { ''h }
  862.                   ::= { lapbXidEntry 3 }
  864.           lapbXidParameterUniqueIdentifier OBJECT-TYPE
  865.                   SYNTAX  OCTET STRING (SIZE (0..255))
  866.                   ACCESS  read-write
  867.                   STATUS  mandatory
  868.                   DESCRIPTION
  869.                           "The value of the parameter unique
  870.                           Identifier.  A zero length string indicates
  871.                           no Unique identifier value has been
  872.                           assigned."
  873.                   REFERENCE "ISO 8885 Table 3, Name: Identifier"
  874.                   DEFVAL { ''h }
  875.                   ::= { lapbXidEntry 4 }
  877.           lapbXidGroupAddress OBJECT-TYPE
  878.                   SYNTAX  OCTET STRING (SIZE (0..255))
  879.                   ACCESS  read-write
  880.                   STATUS  mandatory
  881.                   DESCRIPTION
  882.                           "The value of the parameter Group address.
  883.                           A zero length string indicates no Group
  884.                           address value has been assigned."
  885.                   REFERENCE "ISO 8885 Table 3, Name: Group address"
  886.                   DEFVAL { ''h }
  887.                   ::= { lapbXidEntry 5 }
  889.           lapbXidPortNumber OBJECT-TYPE
  890.                   SYNTAX  OCTET STRING (SIZE (0..255))
  891.                   ACCESS  read-write
  892.                   STATUS  mandatory
  893.                   DESCRIPTION
  894.                           "The port number assigned for this link.  A
  895.                           zero length string indicates no local port
  896.                           number identifier has been assigned."
  897.                   REFERENCE "ISO 8885 Table 3, Name: Port number"
  898.                   DEFVAL { ''h }
  899.                   ::= { lapbXidEntry 6 }
  901.           lapbXidUserDataSubfield OBJECT-TYPE
  902.                   SYNTAX  OCTET STRING (SIZE (0..8206))
  903.                   ACCESS  read-write
  904.                   STATUS  mandatory
  905.                   DESCRIPTION
  906.                           "A user data subfield, if any, to be
  907.                           transmitted in an XID frame.  A zero length
  908.                           frame indicates no user data subfield has
  909.                           been assigned.  The octet string should
  910.                           include both the User data identifier and
  911.                           User data field as shown in Figures 1 and
  912.                           4."
  913.                   REFERENCE "ISO 8885 section 4.3"
  914.                   DEFVAL { ''h }
  915.                   ::= { lapbXidEntry 7 }
  917.           -- ###########################################################
  918.           --                      LAPB protocol versions
  919.           -- ###########################################################
  921.           lapbProtocolVersion OBJECT IDENTIFIER
  922.                   ::= { lapb 5 }
  924.           lapbProtocolIso7776v1986 OBJECT IDENTIFIER
  925.                   ::= { lapbProtocolVersion 1 }
  927.           lapbProtocolCcittV1980 OBJECT IDENTIFIER
  928.                   ::= { lapbProtocolVersion 2 }
  930.           lapbProtocolCcittV1984 OBJECT IDENTIFIER
  931.                   ::= { lapbProtocolVersion 3 }
  933.           -- The following describes some of the MIB-II interface
  934.           -- objects and their relationship with the objects in this
  935.           -- MIB extension.
  937.           -- ifDescr:  describes the interface.   It should include
  938.           -- identification information for the physical line and a
  939.           -- description of the network.  For connections to PDNs,
  940.           -- it should name the PDN.
  942.           -- ifMtu: the maximum number of octets an upper layer can
  943.           -- pass to this interface as a single frame.
  945.           -- ifSpeed:
  947.           -- ifAdminStatus:
  949.           -- ifOperStatus:
  951.           -- ifLastChange: the last time the state of the interface
  952.           -- changed.  A reset is considered an instantaneous change to
  953.           -- the ndm state and back to abm or abme.  This will be the
  954.           -- last time that lapbFlowChangeReason and lapbFlowChanges
  955.           -- changed.
  957.           -- ifInOctets: contains the number of octets
  958.           -- received from the peer LAPB including FCS.
  960.           -- ifInUcastPkts: contains the number of I-frames delivered
  961.           -- by this interface to a higher layer interface.
  963.           -- ifInDiscards: contains the number of received
  964.           -- frames discarded because of internal conditions
  965.           -- (such as lack of buffering).
  967.           -- ifInErrors: contains the number of Invalid frames received.
  968.           -- This does not have any relationship with the number REJ,
  969.           -- or RNR frames sent or received.
  971.           -- ifInUnknownProtos: contains the number of frames
  972.           -- that were correct but were dropped because they
  973.           -- were inappropriate for the current state.  This
  974.           -- includes an invalid Poll bit, an unknown address,
  975.           -- or other condition such as an RNR when connection
  976.           -- not established.  This also includes the number of
  977.           -- DISC or other frames that were ignored because the
  978.           -- link was not established and this interface was not
  979.           -- configured to perform link setup on that type frame.
  981.           -- ifOutOctets: number of octets sent to peer including
  982.           -- FCS octets.
  984.           -- ifOutUcastPkts: number of I-frames received from
  985.           -- a higher layer for transmission to peer.
  987.           -- ifOutDiscards: number of frames to be sent that were
  988.           -- dropped due to internal conditions such as buffering etc.
  990.           -- ifOutErrors: number of transmissions that failed
  991.           -- due to errors or were considered invalid by the receiver.
  992.           -- This does not have any relationship with the number REJ,
  993.           -- or RNR frames sent or received.
  995.           -- ifOutQLen: number of frames waiting to be transmitted.
  997.           -- This MIB does not provide any support for:
  998.           --      Multilink procedure (MLP) in ISO 7776 section 6
  999.           --      LLC Pbit timer
  1000.           --      LLC REJ timer
  1001.           --      LLC Busy State Timer 7.8.1.4
  1003.           -- ###########################################################
  1005. END