rfc1512.txt

著名的RFC文档,其中有一些文档是已经翻译成中文的的.

                      the minimum suported time value which is greater
                      than or equal to the time value of fddiPATHT-
                      MaxLowerBound"
              REFERENCE
                      "ANSI { fddiMAC 53 }"
              ::= { fddimibMACEntry 19 }

          fddimibMACTvxValue OBJECT-TYPE
              SYNTAX  FddiTimeNano
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "This variable is the TVX_value passed to the MAC.
                      The time value of this variable shall assume the
                      minimum suported time value which is greater than
                      or equal to the time value of
                      fddiPATHTVXLowerBound."
              REFERENCE
                      "ANSI { fddiMAC 54 }"
              ::= { fddimibMACEntry 20 }

          fddimibMACFrameCts OBJECT-TYPE
              SYNTAX  Counter
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "A count of the number of frames received by this
                      MAC (refer to ANSI MAC 7.5.1)."
              REFERENCE
                      "ANSI { fddiMAC 71 }"
              ::= { fddimibMACEntry 21 }

          fddimibMACCopiedCts OBJECT-TYPE
              SYNTAX  Counter
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "A count that should as closely as possible match
                      the number of frames addressed to (A bit set) and
                      successfully copied into the station's receive
                      buffers (C bit set) by this MAC (refer to ANSI MAC
                      7.5). Note that this count does not include MAC



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                      frames."
              REFERENCE
                      "ANSI { fddiMAC 72 }"
              ::= { fddimibMACEntry 22 }

          fddimibMACTransmitCts OBJECT-TYPE
              SYNTAX  Counter
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "A count that should as closely as possible match
                      the number of frames transmitted by this MAC
                      (refer to ANSI MAC 7.5).  Note that this count
                      does not include MAC frames."
              REFERENCE
                      "ANSI { fddiMAC 73 }"
              ::= { fddimibMACEntry 23 }

          fddimibMACErrorCts OBJECT-TYPE
              SYNTAX  Counter
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "A count of the number of frames that were
                      detected in error by this MAC that had not been
                      detected in error by another MAC (refer to ANSI
                      MAC 7.5.2)."
              REFERENCE
                      "ANSI { fddiMAC 81 }"
              ::= { fddimibMACEntry 24 }

          fddimibMACLostCts OBJECT-TYPE
              SYNTAX  Counter
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "A count of the number of instances that this MAC
                      detected a format error during frame reception
                      such that the frame was stripped (refer to ANSI
                      MAC 7.5.3)."
              REFERENCE
                      "ANSI { fddiMAC 82 }"
              ::= { fddimibMACEntry 25 }

          fddimibMACFrameErrorThreshold OBJECT-TYPE
              SYNTAX  INTEGER (0..65535)
              ACCESS  read-write
              STATUS  mandatory



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              DESCRIPTION
                      "A threshold for determining when a MAC Condition
                      report (see ANSI 8.3.1.1) shall be generated.
                      Stations not supporting variable thresholds shall
                      have a value of 0 and a range of (0..0)."
              REFERENCE
                      "ANSI { fddiMAC 95 }"
              ::= { fddimibMACEntry 26 }

          fddimibMACFrameErrorRatio OBJECT-TYPE
              SYNTAX  INTEGER (0..65535)
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "This variable is the value of the ratio,

                       ((delta fddiMACLostCts + delta fddiMACErrorCts) /
                       (delta fddiMACFrameCts + delta fddiMACLostCts ))
                       * 2**16 "
              REFERENCE
                      "ANSI { fddiMAC 96 }"
              ::= { fddimibMACEntry 27 }

          fddimibMACRMTState OBJECT-TYPE
              SYNTAX  INTEGER {
                          rm0(1), -- Isolated
                          rm1(2), -- Non_Op
                          rm2(3), -- Ring_Op
                          rm3(4), -- Detect
                          rm4(5), -- Non_Op_Dup
                          rm5(6), -- Ring_Op_Dup
                          rm6(7), -- Directed
                          rm7(8)  -- Trace
                      }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "Indicates the current state of the RMT State
                      Machine (refer to ANSI 10.3.2)."
              REFERENCE
                      "ANSI { fddiMAC 111 }"
              ::= { fddimibMACEntry 28 }

          fddimibMACDaFlag OBJECT-TYPE
              SYNTAX  INTEGER { true(1), false(2) }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION



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                      "The RMT flag Duplicate Address Flag, DA_Flag
                      (refer to ANSI 10.2.1.2)."
              REFERENCE
                      "ANSI { fddiMAC 112 }"
              ::= { fddimibMACEntry 29 }

          fddimibMACUnaDaFlag OBJECT-TYPE
              SYNTAX  INTEGER { true(1), false(2) }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "A flag, UNDA_Flag (refer to ANSI 8.2.2.1), set
                      when the upstream neighbor reports a duplicate
                      address condition. Cleared when the condition
                      clears."
              REFERENCE
                      "ANSI { fddiMAC 113 }"
              ::= { fddimibMACEntry 30 }

          fddimibMACFrameErrorFlag OBJECT-TYPE
              SYNTAX  INTEGER { true(1), false(2) }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "Indicates the MAC Frame Error Condition is
                      present when set. Cleared when the condition
                      clears and on station initialization."
              REFERENCE
                      "ANSI { fddiMAC 114 }"
              ::= { fddimibMACEntry 31 }

          fddimibMACMAUnitdataAvailable OBJECT-TYPE
              SYNTAX  INTEGER { true(1), false(2) }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "This variable shall take on the value of the
                      MAC_Avail flag defined in RMT."
              REFERENCE
                      "ANSI { fddiMAC 116 }"
              ::= { fddimibMACEntry 32 }

          fddimibMACHardwarePresent OBJECT-TYPE
              SYNTAX  INTEGER { true(1), false(2) }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "This variable indicates the presence of



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                      underlying hardware support for this MAC object.
                      If the value of this object is false(2), the
                      reporting of the objects in this entry may be
                      handled in an implementation-specific manner."
              REFERENCE
                      "ANSI { fddiMAC 117 }"
              ::= { fddimibMACEntry 33 }

          fddimibMACMAUnitdataEnable OBJECT-TYPE
              SYNTAX  INTEGER { true(1), false(2) }
              ACCESS  read-write
              STATUS  mandatory
              DESCRIPTION
                      "This variable determines the value of the
                      MA_UNITDATA_Enable flag in RMT.  The default and
                      initial value of this flag is true(1)."
              REFERENCE
                      "ANSI { fddiMAC 118 }"
              ::= { fddimibMACEntry 34 }


          -- the Enhanced MAC Counters group
          -- Implementation of this Group is optional, but systems
          -- claiming support must implement all variables in this
          -- group


          -- the MAC Counters table

          fddimibMACCountersTable OBJECT-TYPE
              SYNTAX  SEQUENCE OF FddimibMACCountersEntry
              ACCESS  not-accessible
              STATUS  mandatory
              DESCRIPTION
                      "A list of MAC Counters entries.  The number of
                      entries shall not exceed the value of
                      fddimibMACNumber."
              ::= { fddimibMACCounters  1 }

          fddimibMACCountersEntry OBJECT-TYPE
              SYNTAX  FddimibMACCountersEntry
              ACCESS  not-accessible
              STATUS  mandatory
              DESCRIPTION
                      "A MAC Counters entry containing information
                      common to a given MAC."
              INDEX   { fddimibMACSMTIndex, fddimibMACIndex }
              ::= { fddimibMACCountersTable 1 }



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          FddimibMACCountersEntry ::=
              SEQUENCE {
                  fddimibMACTokenCts
                          Counter,
                  fddimibMACTvxExpiredCts
                          Counter,
                  fddimibMACNotCopiedCts
                          Counter,
                  fddimibMACLateCts
                          Counter,
                  fddimibMACRingOpCts
                          Counter,
                  fddimibMACNotCopiedRatio
                          INTEGER,
                  fddimibMACNotCopiedFlag
                          INTEGER,
                  fddimibMACNotCopiedThreshold
                          INTEGER
              }

          fddimibMACTokenCts OBJECT-TYPE
              SYNTAX  Counter
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "A count that should as closely as possible match
                      the number of times the station has received a
                      token (total of non-restricted and restricted) on
                      this MAC (see ANSI MAC 7.4). This count is
                      valuable for determination of network load."
              REFERENCE
                      "ANSI { fddiMAC 74 }"
              ::= { fddimibMACCountersEntry 1 }

          fddimibMACTvxExpiredCts OBJECT-TYPE
              SYNTAX  Counter
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "A count that should as closely as possible match
                      the number of times that TVX has expired."
              REFERENCE
                      "ANSI { fddiMAC 83 }"
              ::= { fddimibMACCountersEntry 2 }

          fddimibMACNotCopiedCts OBJECT-TYPE
              SYNTAX  Counter
              ACCESS  read-only



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              STATUS  mandatory
              DESCRIPTION
                      "A count that should as closely as possible match
                      the number of frames that were addressed to this
                      MAC but were not copied into its receive buffers
                      (see ANSI MAC 7.5). For example, this might occur
                      due to local buffer congestion. Because of
                      implementation considerations, this count may not