rfc1493.mib

wm PNE 3.3 source code, running at more than vxworks6.x version.

          BRIDGE-MIB DEFINITIONS ::= BEGIN

          IMPORTS
                     Counter, TimeTicks
                             FROM RFC1155-SMI
                     mib-2
                             FROM RFC1213-MIB
                     OBJECT-TYPE
                             FROM RFC-1212
                     TRAP-TYPE
                             FROM RFC-1215;

          -- All representations of MAC addresses in this MIB Module
          -- use, as a textual convention (i.e. this convention does
          -- not affect their encoding), the data type:

          MacAddress ::= OCTET STRING (SIZE (6))    -- a 6 octet address
                                                    -- in the
                                                    -- "canonical"
                                                    -- order
          -- defined by IEEE 802.1a, i.e., as if it were transmitted
          -- least significant bit first, even though 802.5 (in
          -- contrast to other n802.x protocols) requires MAC
          -- addresses to be transmitted most significant bit first.
          --
          -- 16-bit addresses, if needed, are represented by setting
          -- their upper 4 octets to all 0's, i.e., AAFF would be
          -- represented as 00000000AAFF.


          -- Similarly, all representations of Bridge-Id in this MIB
          -- Module use, as a textual convention (i.e. this
          -- convention does not affect their encoding), the data
          -- type:

          BridgeId ::= OCTET STRING (SIZE (8))   -- the
                                                 -- Bridge-Identifier
                                                 -- as used in the
                                                 -- Spanning Tree
          -- Protocol to uniquely identify a bridge.  Its first two
          -- octets (in network byte order) contain a priority
          -- value and its last 6 octets contain the MAC address
          -- used to refer to a bridge in a unique fashion
          -- (typically, the numerically smallest MAC address
          -- of all ports on the bridge).
          -- Several objects in this MIB module represent values of
          -- timers used by the Spanning Tree Protocol.  In this
          -- MIB, these timers have values in units of hundreths of
          -- a second (i.e. 1/100 secs).
          -- These timers, when stored in a Spanning Tree Protocol's
          -- BPDU, are in units of 1/256 seconds.  Note, however,
          -- that 802.1D-1990 specifies a settable granularity of
          -- no more than 1 second for these timers.  To avoid
          -- ambiguity, a data type is defined here as a textual
          -- convention and all representation of these timers
          -- in this MIB module are defined using this data type.  An
          -- algorithm is also defined for converting between the
          -- different units, to ensure a timer's value is not
          -- distorted by multiple conversions.
          -- The data type is:

          Timeout ::= INTEGER -- a STP timer in units of 1/100 seconds

          -- To convert a Timeout value into a value in units of
          -- 1/256 seconds, the following algorithm should be used:
          --
          --      b  = floor( (n * 256) / 100)
          --
          -- where:
          --      floor   =  quotient [ignore remainder]
          --      n is the value in 1/100 second units
          --      b is the value in 1/256 second units
          --
          -- To convert the value from 1/256 second units back to
          -- 1/100 seconds, the following algorithm should be used:
          --
          --      n = ceiling( (b * 100) / 256)
          --
          -- where:
          --      ceiling =  quotient [if remainder is 0], or
          --                 quotient + 1 [if remainder is non-zero]
          --      n is the value in 1/100 second units
          --      b is the value in 1/256 second units
          --
          -- Note: it is important that the arithmetic operations are
          -- done in the order specified (i.e., multiply first, divide
          -- second).


             dot1dBridge   OBJECT IDENTIFIER ::= { mib-2 17 }
          -- groups in the Bridge MIB

          dot1dBase     OBJECT IDENTIFIER ::= { dot1dBridge 1 }

          dot1dStp      OBJECT IDENTIFIER ::= { dot1dBridge 2 }

          dot1dSr       OBJECT IDENTIFIER ::= { dot1dBridge 3 }
          -- separately documented

          dot1dTp       OBJECT IDENTIFIER ::= { dot1dBridge 4 }

          dot1dStatic   OBJECT IDENTIFIER ::= { dot1dBridge 5 }


          -- the dot1dBase group

          -- Implementation of the dot1dBase group is mandatory for all
          -- bridges.

          dot1dBaseBridgeAddress OBJECT-TYPE
              SYNTAX  MacAddress
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "The MAC address used by this bridge when it must
                      be referred to in a unique fashion.   It is
                      recommended that this be the numerically smallest
                      MAC address of all ports that belong to this
                      bridge.  However it is only required to be unique.
                      When concatenated with dot1dStpPriority a unique
                      BridgeIdentifier is formed which is used in the
                      Spanning Tree Protocol."
              REFERENCE
                      "IEEE 802.1D-1990: Sections 6.4.1.1.3 and 3.12.5"
              ::= { dot1dBase 1 }

          dot1dBaseNumPorts OBJECT-TYPE
              SYNTAX  INTEGER
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "The number of ports controlled by this bridging
                      entity."
              REFERENCE
                      "IEEE 802.1D-1990: Section 6.4.1.1.3"
              ::= { dot1dBase 2 }

          dot1dBaseType OBJECT-TYPE
              SYNTAX  INTEGER {
                          unknown(1),
                          transparent-only(2),
                          sourceroute-only(3),
                          srt(4)
                      }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "Indicates what type of bridging this bridge can
                      perform.  If a bridge is actually performing a
                      certain type of bridging this will be indicated by
                      entries in the port table for the given type."
              ::= { dot1dBase 3 }

          -- The Generic Bridge Port Table

          dot1dBasePortTable OBJECT-TYPE
              SYNTAX  SEQUENCE OF Dot1dBasePortEntry
              ACCESS  not-accessible
              STATUS  mandatory
              DESCRIPTION
                      "A table that contains generic information about
                      every port that is associated with this bridge.
                      Transparent, source-route, and srt ports are
                      included."
              ::= { dot1dBase 4 }

          dot1dBasePortEntry OBJECT-TYPE
              SYNTAX  Dot1dBasePortEntry
              ACCESS  not-accessible
              STATUS  mandatory
              DESCRIPTION
                      "A list of information for each port of the
                      bridge."
              REFERENCE
                      "IEEE 802.1D-1990: Section 6.4.2, 6.6.1"
              INDEX  { dot1dBasePort }
              ::= { dot1dBasePortTable 1 }


          Dot1dBasePortEntry ::=
              SEQUENCE {
                  dot1dBasePort
                      INTEGER,
                  dot1dBasePortIfIndex
                      INTEGER,
                  dot1dBasePortCircuit
                      OBJECT IDENTIFIER,
                  dot1dBasePortDelayExceededDiscards
                      Counter,
                  dot1dBasePortMtuExceededDiscards
                      Counter
              }

          dot1dBasePort OBJECT-TYPE
              SYNTAX  INTEGER (1..65535)
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "The port number of the port for which this entry
                      contains bridge management information."
              ::= { dot1dBasePortEntry 1 }

          dot1dBasePortIfIndex OBJECT-TYPE
              SYNTAX  INTEGER
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "The value of the instance of the ifIndex object,
                      defined in MIB-II, for the interface corresponding
                      to this port."
              ::= { dot1dBasePortEntry 2 }

          dot1dBasePortCircuit OBJECT-TYPE
              SYNTAX  OBJECT IDENTIFIER
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "For a port which (potentially) has the same value
                      of dot1dBasePortIfIndex as another port on the
                      same bridge, this object contains the name of an
                      object instance unique to this port.  For example,
                      in the case where multiple ports correspond one-
                      to-one with multiple X.25 virtual circuits, this
                      value might identify an (e.g., the first) object
                      instance associated with the X.25 virtual circuit
                      corresponding to this port.

                      For a port which has a unique value of
                      dot1dBasePortIfIndex, this object can have the
                      value { 0 0 }."
              ::= { dot1dBasePortEntry 3 }

          dot1dBasePortDelayExceededDiscards OBJECT-TYPE
              SYNTAX  Counter
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "The number of frames discarded by this port due
                      to excessive transit delay through the bridge.  It
                      is incremented by both transparent and source
                      route bridges."
              REFERENCE
                       "IEEE 802.1D-1990: Section 6.6.1.1.3"
              ::= { dot1dBasePortEntry 4 }

          dot1dBasePortMtuExceededDiscards OBJECT-TYPE
              SYNTAX  Counter
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "The number of frames discarded by this port due
                      to an excessive size.  It is incremented by both
                      transparent and source route bridges."
              REFERENCE
                      "IEEE 802.1D-1990: Section 6.6.1.1.3"
              ::= { dot1dBasePortEntry 5 }


          -- the dot1dStp group

          -- Implementation of the dot1dStp group is optional.  It is
          -- implemented by those bridges that support the Spanning Tree
          -- Protocol.


          dot1dStpProtocolSpecification OBJECT-TYPE
              SYNTAX  INTEGER {
                          unknown(1),
                          decLb100(2),
                          ieee8021d(3)
                      }