RFC1285

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Network Working Group J. Case Request for Comments: 1285 SNMP Research, Incorporated

                                                        January 1992
                FDDI Management Information Base

Status of this Memo

This memo is an extension to the SNMP MIB. This RFC specifies an IAB standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "IAB Official Protocol Standards" for the standardization state and status of this protocol. Distribution of this memo is unlimited.

Abstract

This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in TCP/IP-based internets. In particular, it defines objects for managing devices which implement the FDDI.

The Network Management Framework

The Internet-standard Network Management Framework consists of three components. They are:

  RFC 1155 which defines the SMI, the mechanisms used for describing
  and naming objects for the purpose of management.  RFC 1212
  defines a more concise description mechanism, which is wholly
  consistent with the SMI.
  RFC 1156 which defines MIB-I, the core set of managed objects for
  the Internet suite of protocols.  RFC 1213, defines MIB-II, an
  evolution of MIB-I based on implementation experience and new
  operational requirements.
  RFC 1157 which defines the SNMP, the protocol used for network
  access to managed objects.

The Framework permits new objects to be defined for the purpose of experimentation and evaluation.

Objects

Managed objects are accessed via a virtual information store, termed the Management Information Base or MIB. Objects in the MIB are defined using the subset of Abstract Syntax Notation One (ASN.1) [5] defined in the SMI. In particular, each object has a name, a syntax, and an encoding. The name is an object identifier, an administratively assigned name, which specifies an object type. The object type together with an object instance serves to uniquely identify a specific instantiation of the object. For human convenience, we often use a textual string, termed the OBJECT DESCRIPTOR, to also refer to the object type.

The syntax of an object type defines the abstract data structure corresponding to that object type. The ASN.1 language is used for this purpose. However, the SMI [1] purposely restricts the ASN.1 constructs which may be used. These restrictions are explicitly made for simplicity.

The encoding of an object type is simply how that object type is represented using the object type's syntax. Implicitly tied to the notion of an object type's syntax and encoding is how the object type is represented when being transmitted on the network.

The SMI specifies the use of the basic encoding rules of ASN.1 [6], subject to the additional requirements imposed by the SNMP.

Format of Definitions

Section 5 contains contains the specification of all object types contained in this MIB module. The object types are defined using the conventions defined in the SMI, as amended by the extensions

specified in [7].

Overview

This document defines the managed objects for FDDI devices which are to be accessible via the Simple Network Management Protocol (SNMP). At present, this applies to these values of the ifType variable in the Internet-standard MIB:

           fddi(15)

For these interfaces, the value of the ifSpecific variable in the MIB-II [4] has the OBJECT IDENTIFIER value:

           fddi    OBJECT IDENTIFIER ::= { transmission 15 }

The definitions of the objects presented here draws heavily from related work in the ANSI X3T9.5 committee and the SMT subcommittee of that committee [8]. In fact, the definitions of the managed objects in this document are, to the maximum extent possible, identical to those identified by the ANSI committee. The semantics of each managed object should be the same with syntactic changes made as necessary to recast the objects in terms of the Internet-standard SMI and MIB so as to be compatible with the SNMP. Examples of these syntactic changes include remapping booleans to enumerated integers, remapping bit strings to octet strings, and the like. In addition, the naming of the objects was changed to achieve compatibility.

These minimal syntactic changes with no semantic changes should allow implementations of SNMP manageable FDDI systems to share instrumentation with other network management schemes and thereby minimize implementation cost. In addition, the translation of information conveyed by managed objects from one network management scheme to another is eased by these shared definitions.

Only the essential variables, as indicated by their mandatory status in the ANSI specification were retained in this document. The importance of variables which have an optional status in the ANSI specification were perceived as being less widely accepted.

Textual Conventions

Several new datatypes are introduced as a textual convention in this MIB document. These textual conventions enhance the readability of the document and ease comparisons with its ANSI counterpart. It should be noted that the introduction of the following textual conventions has no effect on either the syntax nor the semantics of any managed objects. The use of these is merely an artifact of the

explanatory method used. Objects defined in terms of one of these methods are always encoded by means of the rules that define the primitive type. Hence, no changes to the SMI or the SNMP are necessary to accommodate these textual conventions which are adopted merely for the convenience of readers and writers in pursuit of the elusive goal of clear, concise, and unambiguous MIB documents.

Object Definitions

      RFC1285-MIB DEFINITIONS ::= BEGIN
      IMPORTS
              Counter
                  FROM RFC1155-SMI
              transmission
                  FROM RFC1213-MIB
              OBJECT-TYPE
                  FROM RFC-1212;
      --  This MIB module uses the extended OBJECT-TYPE macro as
      --  defined in [7].
      -- this is the FDDI MIB module
      fddi    OBJECT IDENTIFIER ::= { transmission 15 }
      -- textual conventions
      FddiTime ::= INTEGER (0..2147483647)
      -- This data type specifies octet units of 80 nanoseconds as
      -- an integer value.  It is used for Path Latency  and
      -- Synchronous Bandwidth values.  The encoding is normal
      -- integer representation (not twos complement).
      FddiResourceId ::= INTEGER (0..65535)
      -- This data type is used to refer to an instance of a  MAC,
      -- PORT, PATH, or ATTACHMENT Resource ID.  Indexing begins
      -- at 1.  Zero is used to indicate the absence of a resource.
      FddiSMTStationIdType ::= OCTET STRING (SIZE (8))
      -- The unique identifier for the FDDI station.  This is a
      -- string of 8 octets, represented as
      --                                X' yy yy xx xx xx xx xx xx'
      -- with the low order 6 octet (xx) from a unique IEEE
      -- assigned address.  The high order two bits of the IEEE
      -- address, the group address bit and the administration bit
      -- (Universal/Local) bit should both be zero.  The first two
      -- octets, the yy octets, are implementor-defined.
      --
      -- The representation of the address portion of the station id
      -- is in the IEEE (ANSI/IEEE P802.1A) canonical notation for
      -- 48 bit addresses.  The canonical form is a 6-octet string
      -- where the first octet contains the first 8 bits of the
      -- address, with the I/G(Individual/Group) address bit as the
      -- least significant bit and the  U/L (Universal/Local) bit
      -- as the next more significant bit, and so on.  Note that
      -- addresses in the ANSI FDDI standard SMT frames are
      -- represented in FDDI MAC order.
      FddiMACLongAddressType ::= OCTET STRING (SIZE (6))
      -- The representation of long MAC addresses as management
      -- values is in the IEEE (ANSI/IEEE P802.1A) canonical
      -- notation for 48 bit addresses.  The canonical form is a
      -- 6-octet string where the first octet contains the first 8
      -- bits of the address, with the I/G (Individual/Group)
      -- address bit as the least significant bit and the  U/L
      -- (Universal/Local) bit as the next more significant bit,
      -- and so on.  Note that the addresses in the SMT frames are
      -- represented in FDDI MAC order.
      -- groups in the FDDI MIB module
      snmpFddiSMT        OBJECT IDENTIFIER ::= { fddi 1 }
      snmpFddiMAC        OBJECT IDENTIFIER ::= { fddi 2 }
      snmpFddiPATH       OBJECT IDENTIFIER ::= { fddi 3 }
      snmpFddiPORT       OBJECT IDENTIFIER ::= { fddi 4 }
      snmpFddiATTACHMENT OBJECT IDENTIFIER ::= { fddi 5 }
      snmpFddiChipSets    OBJECT IDENTIFIER ::= { fddi 6 }
      -- the SMT group
      -- Implementation of the SMT group is mandatory for all
      -- systems which implement manageable FDDI subsystems.
      snmpFddiSMTNumber OBJECT-TYPE
          SYNTAX  INTEGER (0..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The number of SMT implementations (regardless of
                  their current state) on this network management
                  application entity.  The value for this variable
                  must remain constant at least from one re-
                  initialization of the entity's network management
                  system to the next re-initialization."
          ::= { snmpFddiSMT  1 }
      -- the SMT table
      snmpFddiSMTTable OBJECT-TYPE
          SYNTAX  SEQUENCE OF SnmpFddiSMTEntry
          ACCESS  not-accessible
          STATUS  mandatory
          DESCRIPTION
                  "A list of SMT entries.  The number of entries is
                  given by  the value of snmpFddiSMTNumber."
          ::= { snmpFddiSMT  2 }
      snmpFddiSMTEntry OBJECT-TYPE
          SYNTAX  SnmpFddiSMTEntry
          ACCESS  not-accessible
          STATUS  mandatory
          DESCRIPTION
                  "An SMT entry containing information common to a
                  given SMT."
          INDEX   { snmpFddiSMTIndex }
          ::= { snmpFddiSMTTable 1 }
      SnmpFddiSMTEntry ::=
          SEQUENCE {
              snmpFddiSMTIndex
                  INTEGER,
              snmpFddiSMTStationId
                  FddiSMTStationIdType,
              snmpFddiSMTOpVersionId
                  INTEGER,
              snmpFddiSMTHiVersionId
                  INTEGER,
              snmpFddiSMTLoVersionId
                  INTEGER,
              snmpFddiSMTMACCt
                  INTEGER,
              snmpFddiSMTNonMasterCt
                  INTEGER,
              snmpFddiSMTMasterCt
                  INTEGER,
              snmpFddiSMTPathsAvailable
                  INTEGER,
              snmpFddiSMTConfigCapabilities
                  INTEGER,
              snmpFddiSMTConfigPolicy
                  INTEGER,
              snmpFddiSMTConnectionPolicy
                  INTEGER,
              snmpFddiSMTTNotify
                  INTEGER,
              snmpFddiSMTStatusReporting
                  INTEGER,
              snmpFddiSMTECMState
                  INTEGER,
              snmpFddiSMTCFState
                  INTEGER,
              snmpFddiSMTHoldState
                  INTEGER,
              snmpFddiSMTRemoteDisconnectFlag
                  INTEGER,
              snmpFddiSMTStationAction
                  INTEGER
          }
      snmpFddiSMTIndex OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A unique value for each SMT.  Its value ranges
                  between 1 and the value of snmpFddiSMTNumber.  The
                  value for each SMT must remain constant at least
                  from one re-initialization of the entity's network
                  management system to the next re-initialization."
          ::= { snmpFddiSMTEntry 1 }
      snmpFddiSMTStationId OBJECT-TYPE
          SYNTAX  FddiSMTStationIdType -- OCTET STRING (SIZE (8))
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Uniquely identifies an FDDI station."
          REFERENCE
                  "ANSI { fddiSMT 11 }"
          ::= { snmpFddiSMTEntry 2 }
      snmpFddiSMTOpVersionId OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "The version that this station is using for its
                  operation (refer to ANSI 7.1.2.2)."
          REFERENCE
                  "ANSI { fddiSMT 13 }"
          ::= { snmpFddiSMTEntry 3 }
      snmpFddiSMTHiVersionId OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The highest version of SMT that this station
                  supports (refer to ANSI 7.1.2.2)."
          REFERENCE
                  "ANSI { fddiSMT 14 }"
          ::= { snmpFddiSMTEntry 4 }
      snmpFddiSMTLoVersionId OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The lowest version of SMT that this station
                  supports (refer to ANSI 7.1.2.2)."
          REFERENCE
                  "ANSI { fddiSMT 15 }"
          ::= { snmpFddiSMTEntry 5 }
      snmpFddiSMTMACCt OBJECT-TYPE
          SYNTAX  INTEGER (0..255)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The number of MACs in the station or
                  concentrator."
          REFERENCE
                  "ANSI { fddiSMT 21 }"
          ::= { snmpFddiSMTEntry 6 }
      snmpFddiSMTNonMasterCt OBJECT-TYPE
          SYNTAX  INTEGER (0..2)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The number of Non Master PORTs (A, B, or S PORTs)
                  in the station or concentrator."
          REFERENCE
                  "ANSI { fddiSMT 22 }"
          ::= { snmpFddiSMTEntry 7 }
      snmpFddiSMTMasterCt OBJECT-TYPE
          SYNTAX  INTEGER (0..255)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The number of Master PORTs in a node.  If the
                  node is not a concentrator, the value is zero."
          REFERENCE
                  "ANSI { fddiSMT 23 }"
          ::= { snmpFddiSMTEntry 8 }
      snmpFddiSMTPathsAvailable OBJECT-TYPE
          SYNTAX  INTEGER (0..7)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A value that indicates the PATH types available
                  in the station.
                  The value is a sum.  This value initially takes
                  the value zero, then for each type of PATH that
                  this node has available, 2 raised to a power is
                  added to the sum.  The powers are according to the
                  following table:
                           Path   Power
                        Primary   0
                      Secondary   1
                          Local   2
                  For example, a station having Primary and Local
                  PATHs available would have a value of 5 (2**0 +
                  2**2)."
          REFERENCE
                  "ANSI { fddiSMT 24 }"
          ::= { snmpFddiSMTEntry 9 }
      snmpFddiSMTConfigCapabilities OBJECT-TYPE
          SYNTAX  INTEGER (0..3)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A value that indicates capabilities that are
                  present in the node.  If 'holdAvailable' is
                  present, this indicates support of the optional
                  Hold Function (refer to ANSI SMT 9.4.3.2).  If
                  'CF-Wrap-AB' is present, this indicates that the
                  WRAP_AB state is forced.
                  The value is a sum.  This value initially takes
                  the value zero, then for each of the configuration
                  policies currently enforced on the node, 2 raised
                  to a power is added to the sum.  The powers are
                  according to the following table:
                             Policy   Power
                      holdAvailable   0
                         CF-Wrap-AB   1 "
          REFERENCE
                  "ANSI { fddiSMT 25 }"
          ::= { snmpFddiSMTEntry 10 }
      snmpFddiSMTConfigPolicy OBJECT-TYPE
          SYNTAX  INTEGER (0..3)
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "A value that indicates the configuration policies
                  currently enforced in the node (refer to ANSI SMT
                  9.4.3.2).  The 'configurationHold' policy refers
                  to the Hold flag, and should not be present only
                  if the Hold function is supported.  The 'CF-Wrap-
                  AB' policy refers to the CF_Wrap_AB flag.
                  The value is a sum.  This value initially takes
                  the value zero, then for each of the configuration
                  policies currently enforced on the node, 2 raised
                  to a power is added to the sum.  The powers are
                  according to the following table:
                                 Policy   Power
                      configurationHold   0
                             CF-Wrap-AB   1 "
          REFERENCE
                  "ANSI { fddiSMT 26 }"
          ::= { snmpFddiSMTEntry 11 }
      snmpFddiSMTConnectionPolicy OBJECT-TYPE
          SYNTAX  INTEGER (0..65535)
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "A value that indicates the connection policies
                  enforced at the station.  A station sets the
                  corresponding policy for each of the connection
                  types that it rejects.  The letter designations, X
                  and Y, in the 'rejectX-Y' names have the following
                  significance:  X represents the PC-Type of the
                  local PORT and Y represents a PC-Neighbor in the
                  evaluation of Connection-Policy (PC-Type, PC-
                  Neighbor) that is done to determine the setting of
                  T-Val(3) in the PC-Signaling sequence (refer to
                  ANSI Section 9.6.3).
                  The value is a sum.  This value initially takes
                  the value zero, then for each of the connection
                  policies currently enforced on the node, 2 raised
                  to a power is added to the sum.  The powers are
                  according to the following table:
                         Policy   Power
                      rejectA-A   0
                      rejectA-B   1
                      rejectA-S   2
                      rejectA-M   3
                      rejectB-A   4
                      rejectB-B   5
                      rejectB-S   6
                      rejectB-M   7
                      rejectS-A   8
                      rejectS-B   9
                      rejectS-S   10
                      rejectS-M   11
                      rejectM-A   12
                      rejectM-B   13
                      rejectM-S   14
                      rejectM-M   15
                  Implementors should note that the polarity of
                  these bits is different in different places in an
                  SMT system.  Implementors should take appropriate
                  care."
          REFERENCE
                  "ANSI { fddiSMT 27 }"
          ::= { snmpFddiSMTEntry 12 }
      snmpFddiSMTTNotify OBJECT-TYPE
          SYNTAX  INTEGER (2..30)
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "The timer used in the Neighbor Notification
                  protocol, reported in seconds and ranging from 2
                  to 30 seconds (refer to ANSI SMT 8.3.1)."
          REFERENCE
                  "ANSI { fddiSMT 29 }"
          ::= { snmpFddiSMTEntry 13 }
      snmpFddiSMTStatusReporting OBJECT-TYPE
          SYNTAX  INTEGER { true(1), false(2) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Indicates whether the node implements the Status
                  Reporting Protocol.  This object is included for
                  compatibility with products that were designed
                  prior to the adoption of this standard."
          REFERENCE
                  "ANSI { fddiSMT 30 }"
          ::= { snmpFddiSMTEntry 14 }
      snmpFddiSMTECMState OBJECT-TYPE
          SYNTAX  INTEGER {
                      ec0(1), -- Out
                      ec1(2), -- In
                      ec2(3), -- Trace
                      ec3(4), -- Leave
                      ec4(5), -- Path_Test
                      ec5(6), -- Insert
                      ec6(7), -- Check
                      ec7(8)  -- Deinsert
                  }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Indicates the current state of the ECM state
                  machine (refer to ANSI SMT 9.5.2)."
          REFERENCE
                  "ANSI { fddiSMT 41 }"
          ::= { snmpFddiSMTEntry 15 }
      snmpFddiSMTCFState OBJECT-TYPE
          SYNTAX  INTEGER {
                      cf0(1), -- Isolated
                      cf1(2), -- Wrap_S
                      cf2(3), -- Wrap_A
                      cf3(4), -- Wrap_B
                      cf4(5), -- Wrap_AB
                      cf5(6)  -- Thru
                  }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The attachment configuration for the station or
                  concentrator (refer to ANSI SMT 9.7.4.3)."
          REFERENCE
                  "ANSI { fddiSMT 42 }"
          ::= { snmpFddiSMTEntry 16 }
      snmpFddiSMTHoldState OBJECT-TYPE
          SYNTAX  INTEGER {
                      not-implemented(1), -- holding not implemented
                      not-holding(2),
                      holding-prm(3),     -- holding on primary
                      holding-sec(4)      -- holding on secondary
                  }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "This value indicates the current state of the
                  Hold function.  The values are determined as
                  follows:  'holding-prm' is set if the primary ring
                  is operational and the Recovery Enable Flag is
                  clear (NOT NO_Flag(primary) AND NOT RE_Flag).  is
                  set if the secondary ring is operational and the
                  Recovery Enable Flag is clear (NOT
                  NO_Flag(secondary) AND NOT RE_Flag).  Ref 9.4.3.
                  and 10.3.1.  the primary or secondary, i.e., the
                  Recovery Enable, RE_Flag, is set."
          REFERENCE
                  "ANSI { fddiSMT 43 }"
          ::= { snmpFddiSMTEntry 17 }
      snmpFddiSMTRemoteDisconnectFlag OBJECT-TYPE
          SYNTAX  INTEGER { true(1), false(2) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A flag indicating that the station was remotely
                  disconnected from the network.  A station requires
                  a Connect Action (SM_CM_CONNECT.request (Connect))
                  to rejoin and clear the flag (refer to ANSI
                  6.4.5.2)."
          REFERENCE
                  "ANSI { fddiSMT 44 }"
          ::= { snmpFddiSMTEntry 18 }
      snmpFddiSMTStationAction OBJECT-TYPE
          SYNTAX  INTEGER {
                      other(1),           -- none of the following
                      connect(2),
                      disconnect(3),
                      path-Test(4),
                      self-Test(5)
                  }
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "This object, when read, always returns a value of
                  other(1).  The behavior of setting this variable
                  to each of the acceptable values is as follows:
                  Other:          Results in a badValue error.
                  Connect:        Generates an
                  SM_CM_Connect.request(connect) signal to CMT
                  indicating that the ECM State machine is to begin
                  a connection sequence.  The
                  fddiSMTRemoteDisconnectFlag is cleared on the
                  setting of this variable to 1.  See ANSI Ref
                  9.3.1.1.
                  Disconnect:     Generates an
                  SM_CM_Connect.request(disconnect) signal to ECM
                  and sets the fddiSMTRemoteDisconnectFlag.  See
                  ANSI Ref 9.3.1.1.
                  Path-Test:      Initiates a station path test.
                  The Path_Test variable (See ANSI Ref. 9.4.1) is
                  set to Testing.  The results of this action are
                  not specified in this standard.
                  Self-Test:      Initiates a station self test.
                  The results of this action are not specified in
                  this standard.
                  Attempts to set this object to all other values
                  results in a badValue error.  Agents may elect to
                  return a badValue error on attempts to set this
                  variable to path-Test(4) or self-Test(5)."
          REFERENCE
                  "ANSI { fddiSMT 60 }"
          ::= { snmpFddiSMTEntry 19 }
      -- the MAC group
      -- Implementation of the MAC Group is mandatory for all
      -- systems which implement manageable FDDI subsystems.
      snmpFddiMACNumber OBJECT-TYPE
          SYNTAX  INTEGER (0..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The total number of MAC implementations (across
                  all SMTs) on this network management application
                  entity.  The value for this variable must remain
                  constant at least from one re-initialization of
                  the entity's network management system to the next
                  re-initialization."
          ::= { snmpFddiMAC  1 }
      -- the MAC table
      snmpFddiMACTable OBJECT-TYPE
          SYNTAX  SEQUENCE OF SnmpFddiMACEntry
          ACCESS  not-accessible
          STATUS  mandatory
          DESCRIPTION
                  "A list of MAC entries.  The number of entries is
                  given by the value of snmpFddiMACNumber."
          ::= { snmpFddiMAC  2 }
      snmpFddiMACEntry OBJECT-TYPE
          SYNTAX  SnmpFddiMACEntry
          ACCESS  not-accessible
          STATUS  mandatory
          DESCRIPTION
                  "A MAC entry containing information common to a
                  given MAC."
          INDEX   { snmpFddiMACSMTIndex, snmpFddiMACIndex }
          ::= { snmpFddiMACTable 1 }
      SnmpFddiMACEntry ::=
          SEQUENCE {
              snmpFddiMACSMTIndex
                      INTEGER,
              snmpFddiMACIndex
                      INTEGER,
              snmpFddiMACFrameStatusCapabilities
                      INTEGER,
              snmpFddiMACTMaxGreatestLowerBound
                      FddiTime,
              snmpFddiMACTVXGreatestLowerBound
                      FddiTime,
              snmpFddiMACPathsAvailable
                      INTEGER,
              snmpFddiMACCurrentPath
                      INTEGER,
              snmpFddiMACUpstreamNbr
                      FddiMACLongAddressType,
              snmpFddiMACOldUpstreamNbr
                      FddiMACLongAddressType,
              snmpFddiMACDupAddrTest
                      INTEGER,
              snmpFddiMACPathsRequested
                      INTEGER,
              snmpFddiMACDownstreamPORTType
                      INTEGER,
              snmpFddiMACSMTAddress
                      FddiMACLongAddressType,
              snmpFddiMACTReq
                      FddiTime,
              snmpFddiMACTNeg
                      FddiTime,
              snmpFddiMACTMax
                      FddiTime,
              snmpFddiMACTvxValue
                      FddiTime,
              snmpFddiMACTMin
                      FddiTime,
              snmpFddiMACCurrentFrameStatus
                      INTEGER,
              snmpFddiMACFrameCts
                      Counter,
              snmpFddiMACErrorCts
                      Counter,
              snmpFddiMACLostCts
                      Counter,
              snmpFddiMACFrameErrorThreshold
                      INTEGER,
              snmpFddiMACFrameErrorRatio
                      INTEGER,
              snmpFddiMACRMTState
                      INTEGER,
              snmpFddiMACDaFlag
                      INTEGER,
              snmpFddiMACUnaDaFlag
                      INTEGER,
              snmpFddiMACFrameCondition
                      INTEGER,
              snmpFddiMACChipSet
                      OBJECT IDENTIFIER,
              snmpFddiMACAction
                      INTEGER
          }
      snmpFddiMACSMTIndex OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The value of the SMT index associated with this
                  MAC."
          ::= { snmpFddiMACEntry 1 }
      snmpFddiMACIndex OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A unique value for each MAC on the managed
                  entity.  The MAC identified by a particular value
                  of this index is that identified by the same value
                  of an ifIndex object instance.  That is, if a MAC
                  is associated with the interface whose value of
                  ifIndex in the Internet-Standard MIB is equal to
                  5, then the value of snmpFddiMACIndex shall also
                  equal 5.  The value for each MAC must remain
                  constant at least from one re-initialization of
                  the entity's network management system to the next
                  re-initialization."
          ::= { snmpFddiMACEntry 2 }
      snmpFddiMACFrameStatusCapabilities OBJECT-TYPE
          SYNTAX  INTEGER (0..1799)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A value that indicates the MAC's bridge and end-
                  station capabilities for operating in a bridged
                  FDDI network.
                  The value is a sum.  This value initially takes
                  the value zero, then for each capability present,
                  2 raised to a power is added to the sum.  The
                  powers are according to the following table:
                       Capability    Power
                       FSC-Type0    0
                       -- MAC repeats A/C indicators as received on
                       -- copying with the intent to forward.
                       FSC-Type1    1
                       -- MAC sets C but not A on copying for
                       -- forwarding.
                       FSC-Type2    2
                       -- MAC resets C and sets A on C set and
                       -- A reset if the frame is not copied and the
                       -- frame was addressed to this MAC
                       FSC-Type0-programmable    8
                       -- Type0 capability is programmable
                       FSC-Type1-programmable    9
                       -- Type1 capability is programmable
                       FSC-Type2-programmable   10
                       -- Type2 capability is programmable
                  "
          REFERENCE
                  "ANSI { fddiMAC 11 }"
          ::= { snmpFddiMACEntry 3 }
      snmpFddiMACTMaxGreatestLowerBound OBJECT-TYPE
          SYNTAX  FddiTime
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "The greatest lower bound of T_Max supported for
                  this MAC."
          REFERENCE
                  "ANSI { fddiMAC 13 }"
          ::= { snmpFddiMACEntry 4 }
      snmpFddiMACTVXGreatestLowerBound OBJECT-TYPE
          SYNTAX  FddiTime
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The greatest lower bound of TVX supported for
                  this MAC."
          REFERENCE
                  "ANSI { fddiMAC 14 }"
          ::= { snmpFddiMACEntry 5 }
      snmpFddiMACPathsAvailable OBJECT-TYPE
          SYNTAX  INTEGER (0..7)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A value that indicates the PATH types available
                  for this MAC.
                  The value is a sum.  This value initially takes
                  the value zero, then for each type of PATH that
                  this MAC has available, 2 raised to a power is
                  added to the sum.  The powers are according to the
                  following table:
                           Path   Power
                        Primary   0
                      Secondary   1
                          Local   2 "
          REFERENCE
                  "ANSI { fddiMAC 22 }"
          ::= { snmpFddiMACEntry 6 }
      snmpFddiMACCurrentPath OBJECT-TYPE
          SYNTAX  INTEGER {
                      unknown(1),
                      primary(2),
                      secondary(4),
                      local(8),
                      isolated(16)
                  }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Indicates the association of the MAC with a
                  station PATH."
          REFERENCE
                  "ANSI { fddiMAC 23 }"
          ::= { snmpFddiMACEntry 7 }
      snmpFddiMACUpstreamNbr OBJECT-TYPE
          SYNTAX  FddiMACLongAddressType -- OCTET STRING (SIZE (6))
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The MAC's upstream neighbor's long individual MAC
                  address.  It may be determined by the Neighbor
                  Information Frame protocol (refer to ANSI SMT
                  7.2.1).  The value shall be reported as '00 00 00
                  00 00 00' if it is unknown."
          REFERENCE
                  "ANSI { fddiMAC 24 }"
          ::= { snmpFddiMACEntry 8 }
      snmpFddiMACOldUpstreamNbr OBJECT-TYPE
          SYNTAX  FddiMACLongAddressType -- OCTET STRING (SIZE (6))
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The previous value of the MAC's upstream
                  neighbor's long individual MAC address.  It may be
                  determined by the Neighbor Information Frame
                  protocol (refer to ANSI SMT 7.2.1).  The value
                  shall be reported as '00 00 00 00 00 00' if it is
                  unknown."
          REFERENCE
                  "ANSI { fddiMAC 26 }"
          ::= { snmpFddiMACEntry 9 }
      snmpFddiMACDupAddrTest OBJECT-TYPE
          SYNTAX  INTEGER { none(1), pass(2), fail(3) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The Duplicate Address Test flag, Dup_Addr_Test
                  (refer to ANSI 8.3.1)."
          REFERENCE
                  "ANSI { fddiMAC 29 }"
          ::= { snmpFddiMACEntry 10 }
      snmpFddiMACPathsRequested OBJECT-TYPE
          SYNTAX  INTEGER
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "A value that indicates PATH(s) desired for this
                  MAC.
                  The value is a sum which represents the individual
                  PATHs that are desired.  This value initially
                  takes the value zero, then for each type of PATH
                  that this node is, 2 raised to a power is added to
                  the sum.  The powers are according to the
                  following table:
                           Path   Power
                        Primary   0
                      Secondary   1
                          Local   2
                       Isolated   3
                  The precedence order is primary, secondary, local,
                  and then isolated if multiple PATHs are desired
                  are set."
          REFERENCE
                  "ANSI { fddiMAC 32 }"
          ::= { snmpFddiMACEntry 11 }
      snmpFddiMACDownstreamPORTType OBJECT-TYPE
          SYNTAX  INTEGER { a(1), b(2), s(3), m(4), unknown(5) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Indicates the PC-Type of the first port that is
                  downstream of this MAC (the exit port)."
          REFERENCE
                  "ANSI { fddiMAC 33 }"
          ::= { snmpFddiMACEntry 12 }
      snmpFddiMACSMTAddress OBJECT-TYPE
          SYNTAX  FddiMACLongAddressType -- OCTET STRING (SIZE (6))
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The 48 bit individual address of the MAC used for
                  SMT frames."
          REFERENCE
                  "ANSI { fddiMAC 41 }"
          ::= { snmpFddiMACEntry 13 }
      snmpFddiMACTReq OBJECT-TYPE
          SYNTAX  FddiTime
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "The value of T-Req (refer to ANSI MAC 2.2.1 and
                  ANSI MAC 7.3.5.2)."
          REFERENCE
                  "ANSI { fddiMAC 51 }"
          ::= { snmpFddiMACEntry 14 }
      snmpFddiMACTNeg OBJECT-TYPE
          SYNTAX  FddiTime
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The value of T-Neg (refer to ANSI MAC 2.2.1 and
                  ANSI MAC 7.3.5.2)."
          REFERENCE
                  "ANSI { fddiMAC 52 }"
          ::= { snmpFddiMACEntry 15 }
      snmpFddiMACTMax OBJECT-TYPE
          SYNTAX  FddiTime
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The value of T-Max (refer to ANSI MAC 2.2.1 and
                  ANSI MAC 7.3.5.2)."
          REFERENCE
                  "ANSI { fddiMAC 53 }"
          ::= { snmpFddiMACEntry 16 }
      snmpFddiMACTvxValue OBJECT-TYPE
          SYNTAX  FddiTime
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The value of TvxValue (refer to ANSI MAC 2.2.1
                  and ANSI MAC 7.3.5.2)."
          REFERENCE
                  "ANSI { fddiMAC 54 }"
          ::= { snmpFddiMACEntry 17 }
      snmpFddiMACTMin OBJECT-TYPE
          SYNTAX  FddiTime
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The value of T-Min (refer to ANSI MAC 2.2.1 and
                  ANSI MAC 7.3.5.2)."
          REFERENCE
                  "ANSI { fddiMAC 55 }"
          ::= { snmpFddiMACEntry 18 }
      snmpFddiMACCurrentFrameStatus OBJECT-TYPE
          SYNTAX  INTEGER (0..7)
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "A value that indicates the MAC's operational
                  frame status setting functionality.
                  The value is a sum.  This value initially takes
                  the value zero, then for each functionality
                  present, 2 raised to a power is added to the sum.
                  The powers are according to the following table:
                      Functionality   Power
                          FSC-Type0   0
                          -- MAC repeats A/C indicators as received
                          FSC-Type1   1
                          -- MAC sets C but not A on copying for
                          -- forwarding
                          FSC-Type2   2
                          -- MAC resets C and sets A on C set and A
                          -- reset if frame is not copied
                  "
          REFERENCE
                  "ANSI { fddiMAC 63 }"
          ::= { snmpFddiMACEntry 19 }
      snmpFddiMACFrameCts OBJECT-TYPE
          SYNTAX  Counter
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Frame_Ct (refer to ANSI MAC 2.2.1)."
          REFERENCE
                  "ANSI { fddiMAC 71 }"
          ::= { snmpFddiMACEntry 20 }
      snmpFddiMACErrorCts OBJECT-TYPE
          SYNTAX  Counter
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Error_Ct (refer to ANSI MAC 2.2.1)."
          REFERENCE
                  "ANSI { fddiMAC 81 }"
          ::= { snmpFddiMACEntry 21 }
      snmpFddiMACLostCts OBJECT-TYPE
          SYNTAX  Counter
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Lost_Ct (refer to ANSI MAC 2.2.1)."
          REFERENCE
                  "ANSI { fddiMAC 82 }"
          ::= { snmpFddiMACEntry 22 }
      snmpFddiMACFrameErrorThreshold OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A threshold for determining when a MAC Condition
                  report should be generated.  The condition is true
                  when the ratio, ((delta snmpFddiMACLostCt + delta
                  snmpFddiMACErrorCt) / (delta snmpFddiMACFrameCt +
                  delta snmpFddiMACLostCt)) x 2**16. exceeds the
                  threshold.  It is used to determine when a station
                  has an unacceptable frame error threshold.  The
                  sampling algorithm is implementation dependent.
                  Any attempt to set this variable to a value of
                  less than one shall result in a badValue error.
                  Those who are familiar with the SNMP management
                  framework will recognize that thresholds are not
                  in keeping with the SNMP philosophy.  However,
                  this variable is supported by underlying SMT
                  implementations already and maintaining this
                  threshold should not pose an undue additional
                  burden on SNMP agent implementors."
          REFERENCE
                  "ANSI { fddiMAC 95 }"
          ::= { snmpFddiMACEntry 23 }
      snmpFddiMACFrameErrorRatio OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "This attribute is the actual ratio, ((delta
                  snmpFddiMACLostCt + delta snmpFddiMACErrorCt) /
                  (delta snmpFddiMACFrameCt + delta
                  snmpFddiMACLostCt)) x 2**16."
          REFERENCE
                  "ANSI { fddiMAC 96 }"
          ::= { snmpFddiMACEntry 24 }
      snmpFddiMACRMTState 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 Ring
                  Management state machine (refer to ANSI Section
                  10)."
          REFERENCE
                  "ANSI { fddiMAC 111 }"
          ::= { snmpFddiMACEntry 25 }
      snmpFddiMACDaFlag OBJECT-TYPE
          SYNTAX  INTEGER { true(1), false(2) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The RMT flag Duplicate Address Flag, DA_Flag
                  (refer to ANSI 10.3.1.2)."
          REFERENCE
                  "ANSI { fddiMAC 112 }"
          ::= { snmpFddiMACEntry 26 }
      snmpFddiMACUnaDaFlag OBJECT-TYPE
          SYNTAX  INTEGER { true(1), false(2) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A flag set when the upstream neighbor reports a
                  duplicate address condition.  Reset when the
                  condition clears."
          REFERENCE
                  "ANSI { fddiMAC 113 }"
          ::= { snmpFddiMACEntry 27 }
      snmpFddiMACFrameCondition OBJECT-TYPE
          SYNTAX  INTEGER { true(1), false(2) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Indicates the MAC Condition is active when set.
                  Cleared when the condition clears and on power
                  up."
          REFERENCE
                  "ANSI { fddiMAC 114 }"
          ::= { snmpFddiMACEntry 28 }
      snmpFddiMACChipSet OBJECT-TYPE
          SYNTAX  OBJECT IDENTIFIER
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "This object identifies the hardware chip(s) which
                  is (are) principally responsible for the
                  implementation of the MAC function.  A few OBJECT
                  IDENTIFIERS are identified elsewhere in this memo.
                  For those The assignment of additional OBJECT
                  IDENTIFIERs to various types of hardware chip sets
                  is managed by the IANA.  For example, vendors
                  whose chip sets are not defined in this memo may
                  request a number from the Internet Assigned
                  Numbers Authority (IANA) which indicates the
                  assignment of a enterprise specific subtree which,
                  among other things, may be used to allocate OBJECT
                  IDENTIFIER assignments for that enterprise's chip
                  sets.  Similarly, in the absence of an
                  appropriately assigned OBJECT IDENTIFIER in this
                  memo or in an enterprise specific subtree of a
                  chip vendor, a board or system vendor can request
                  a number for a subtree from the IANA and make an
                  appropriate assignment.  It is desired that,
                  whenever possible, the same OBJECT IDENTIFIER be
                  used for all chips of a given type.  Consequently,
                  the assignment made in this memo for a chip, if
                  any, should be used in preference to any other
                  assignment and the assignment made by the chip
                  manufacturer, if any, should be used in preference
                  to assignments made by users of those chips.  If
                  the hardware chip set is unknown, the object
                  identifier
                  unknownChipSet OBJECT IDENTIFIER ::= { 0 0 }
                  is returned.  Note that unknownChipSet is a
                  syntactically valid object identifier, and any
                  conformant implementation of ASN.1 and the BER
                  must be able to generate and recognize this
                  value."
          ::= { snmpFddiMACEntry 29 }
      snmpFddiMACAction OBJECT-TYPE
          SYNTAX  INTEGER {
                      other(1),           -- none of the following
                      enableLLCService(2),
                      disableLLCService(3),
                      connectMAC(4),
                      disconnectMAC(5)
                  }
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "This object, when read, always returns a value of
                  other(1).  The behavior of setting this variable
                  to each of the acceptable values is as follows:
                  Other:                  Results in a badValue
                                          error.
                  enableLLCService:       enables MAC service to
                                          higher layers.
                  disableLLCService:      disables MAC service to
                                          higher layers.
                  connectMAC:             connect this MAC in
                                          station.
                  disconnectMAC:          disconnect this MAC in
                                          station.
                  Attempts to set this object to all other values
                  results in a badValue error."
          REFERENCE
                  "ANSI { fddiMAC 130 }"
          ::= { snmpFddiMACEntry 30 }
      -- the PATH group
      -- the PATH group is empty for now and shall remain so until
      -- the ANSI community sorts out their PATH group
      -- the PORT group
      -- Implementation of the PORT group is mandatory for all
      -- systems which implement manageable FDDI subsystems.
      snmpFddiPORTNumber OBJECT-TYPE
          SYNTAX  INTEGER (0..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The total number of PORT implementations (across
                  all SMTs) on this network management application
                  entity.  The value for this variable must remain
                  constant at least from one re-initialization of
                  the entity's network management system to the next
                  re-initialization."
          ::= { snmpFddiPORT  1 }
      -- the PORT table
      snmpFddiPORTTable OBJECT-TYPE
          SYNTAX  SEQUENCE OF SnmpFddiPORTEntry
          ACCESS  not-accessible
          STATUS  mandatory
          DESCRIPTION
                  "A list of PORT entries.  The number of entries is
                  given by the value of snmpFddiPORTNumber."
          ::= { snmpFddiPORT  2 }
      snmpFddiPORTEntry OBJECT-TYPE
          SYNTAX  SnmpFddiPORTEntry
          ACCESS  not-accessible
          STATUS  mandatory
          DESCRIPTION
                  "A PORT entry containing information common to a
                  given PORT."
          INDEX   { snmpFddiPORTSMTIndex, snmpFddiPORTIndex }
          ::= { snmpFddiPORTTable 1 }
      SnmpFddiPORTEntry ::=
          SEQUENCE {
              snmpFddiPORTSMTIndex
                      INTEGER,
              snmpFddiPORTIndex
                      INTEGER,
              snmpFddiPORTPCType
                      INTEGER,
              snmpFddiPORTPCNeighbor
                      INTEGER,
              snmpFddiPORTConnectionPolicies
                      INTEGER,
              snmpFddiPORTRemoteMACIndicated
                      INTEGER,
              snmpFddiPORTCEState
                      INTEGER,
              snmpFddiPORTPathsRequested
                      INTEGER,
              snmpFddiPORTMACPlacement
                      FddiResourceId,
              snmpFddiPORTAvailablePaths
                      INTEGER,
              snmpFddiPORTMACLoopTime
                      FddiTime,
              snmpFddiPORTTBMax
                      FddiTime,
              snmpFddiPORTBSFlag
                      INTEGER,
              snmpFddiPORTLCTFailCts
                      Counter,
              snmpFddiPORTLerEstimate
                      INTEGER,
              snmpFddiPORTLemRejectCts
                      Counter,
              snmpFddiPORTLemCts
                      Counter,
              snmpFddiPORTLerCutoff
                      INTEGER,
              snmpFddiPORTLerAlarm
                      INTEGER,
              snmpFddiPORTConnectState
                      INTEGER,
              snmpFddiPORTPCMState
                      INTEGER,
              snmpFddiPORTPCWithhold
                      INTEGER,
              snmpFddiPORTLerCondition
                      INTEGER,
              snmpFddiPORTChipSet
                      OBJECT IDENTIFIER,
              snmpFddiPORTAction
                      INTEGER
          }
      snmpFddiPORTSMTIndex OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The value of the SMT index associated with this
                  PORT."
          ::= { snmpFddiPORTEntry 1 }
      snmpFddiPORTIndex OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A unique value for each PORT within a given SMT.
                  Its value ranges between 1 and the sum of the
                  values of snmpFddiSMTNonMasterCt
                  { snmpFddiSMTEntry 6 } and snmpFddiSMTMasterCt
                  { snmpFddiSMTEntry 7 } on the given SMT.  The
                  value for each PORT must remain constant at least
                  from one re-initialization of the entity's network
                  management system to the next re-initialization."
          ::= { snmpFddiPORTEntry 2 }
      snmpFddiPORTPCType OBJECT-TYPE
          SYNTAX  INTEGER { a(1), b(2), s(3), m(4) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "PC_Type (refer to ANSI SMT 9.2.2 and ANSI SMT
                  9.6.3.2)."
          REFERENCE
                  "ANSI { fddiPORT 12 }"
          ::= { snmpFddiPORTEntry 3 }
      snmpFddiPORTPCNeighbor OBJECT-TYPE
          SYNTAX  INTEGER { a(1), b(2), s(3), m(4), unknown(5) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The type (PC_Neighbor) of the remote PORT that is
                  determined in PC_Signaling in R_Val (1,2) (refer
                  to ANSI SMT 9.6.3.2)."
          REFERENCE
                  "ANSI { fddiPORT 13 }"
          ::= { snmpFddiPORTEntry 4 }
      snmpFddiPORTConnectionPolicies OBJECT-TYPE
          SYNTAX  INTEGER (0..7)
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "A value that indicates the node's PORT policies.
                  Pc-MAC-LCT, Pc-MAC-Loop, and Pc-MAC-Placement
                  indicate how the respective PC Signaling
                  Capability flags should  be set (refer to ANSI SMT
                  9.4.3.2).
                  The value is a sum.  This value initially takes
                  the value zero, then for each PORT policy, 2
                  raised to a power is added to the sum.  The powers
                  are according to the following table:
                                Policy   Power
                            Pc-MAC-LCT   0
                           Pc-MAC-Loop   1
                      Pc-MAC-Placement   2 "
          REFERENCE
                  "ANSI { fddiPORT 14 }"
          ::= { snmpFddiPORTEntry 5 }
      snmpFddiPORTRemoteMACIndicated OBJECT-TYPE
          SYNTAX  INTEGER { true(1), false(2) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The indication, in PC-Signaling that the remote
                  partner intends to place a MAC in the output token
                  PATH of this PORT.  Signaled as R_Val (9) (refer
                  to ANSI SMT 9.6.3.2)."
          REFERENCE
                  "ANSI { fddiPORT 15 }"
          ::= { snmpFddiPORTEntry 6 }
      snmpFddiPORTCEState OBJECT-TYPE
          SYNTAX  INTEGER {
                      ce0(1), -- Isolated
                      ce1(2), -- Insert_P
                      ce2(3), -- Insert_S
                      ce3(4), -- Insert_X
                      ce4(5)  -- Local
                  }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Indicates the current state of PORT's
                  Configuration Element (CE) (refer to ANSI 9.7.5).
                  Note that this value represents the Current Path
                  information for this PORT."
          REFERENCE
                  "ANSI { fddiPORT 16 }"
          ::= { snmpFddiPORTEntry 7 }
      snmpFddiPORTPathsRequested OBJECT-TYPE
          SYNTAX  INTEGER (0..15)
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "A value that indicates the desired association(s)
                  of the port with a station PATH.  The 'Primary'
                  Path is the default.  The value of 'Secondary' is
                  only meaningful for S (slave) or M (master) PORT
                  PC-Types.  This value effects the setting of the
                  CF_Insert_S, and CF_Insert_L flags (refer to ANSI
                  Section 9.4.3).  If the 'Primary' PATH is present,
                  then the Primary PATH (the default PATH) is
                  selected.  If the 'Secondary' PATH is present and
                  the 'Primary' PATH is not present, then the
                  CF_Insert_S flag is set.  If the 'Local' PATH is
                  sent and neither the 'Primary' or 'Secondary'
                  PATHs are sent, then the CF_Insert_L flag is set.
                  The value is a sum.  This value initially takes
                  the value zero, then for each type of PATH
                  desired, 2 raised to a power is added to the sum.
                  The powers are according to the following table:
                           Path   Power
                        Primary   0
                      Secondary   1
                          Local   2
                       Isolated   3 "
          REFERENCE
                  "ANSI { fddiPORT 17 }"
          ::= { snmpFddiPORTEntry 8 }
      snmpFddiPORTMACPlacement OBJECT-TYPE
          SYNTAX  FddiResourceId -- INTEGER (0..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Indicates the upstream MAC, if any, that is
                  associated with the PORT.  The value shall be zero
                  if there is no MAC associated with the PORT.
                  Otherwise, the value shall be equal to the value
                  of snmpFddiMACIndex associated with the MAC."
          REFERENCE
                  "ANSI { fddiPORT 18 }"
          ::= { snmpFddiPORTEntry 9 }
      snmpFddiPORTAvailablePaths OBJECT-TYPE
          SYNTAX  INTEGER (0..7)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A value that indicates the PATH types available
                  for M and S PORTs.
                  The value is a sum.  This value initially takes
                  the value zero, then for each type of PATH that
                  this port has available, 2 raised to a power is
                  added to the sum.  The powers are according to the
                  following table:
                           Path   Power
                        Primary   0
                      Secondary   1
                          Local   2 "
          REFERENCE
                  "ANSI { fddiPORT 19 }"
          ::= { snmpFddiPORTEntry 10 }
      snmpFddiPORTMACLoopTime OBJECT-TYPE
          SYNTAX  FddiTime
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "Time for the optional MAC Local Loop, T_Next(9),
                  which is greater-than or equal-to 200 milliseconds
                  (refer to ANSI SMT 9.4.4.2.3)."
          REFERENCE
                  "ANSI { fddiPORT 21 }"
          ::= { snmpFddiPORTEntry 11 }
      snmpFddiPORTTBMax OBJECT-TYPE
          SYNTAX  FddiTime
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "TB_Max (refer to ANSI SMT 9.4.4.2.1)."
          REFERENCE
                  "ANSI { fddiPORT 32 }"
          ::= { snmpFddiPORTEntry 12 }
      snmpFddiPORTBSFlag OBJECT-TYPE
          SYNTAX  INTEGER { true(1), false(2) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The Break State, BS_Flag (refer to ANSI SMT
                  9.4.3.4)."
          REFERENCE
                  "ANSI { fddiPORT 33 }"
          ::= { snmpFddiPORTEntry 13 }
      snmpFddiPORTLCTFailCts OBJECT-TYPE
          SYNTAX  Counter
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The count of the consecutive times the link
                  confidence test (LCT) has failed during connection
                  management (refer to ANSI 9.4.1)."
          REFERENCE
                  "ANSI { fddiPORT 42 }"
          ::= { snmpFddiPORTEntry 14 }
      snmpFddiPORTLerEstimate OBJECT-TYPE
          SYNTAX  INTEGER (4..15)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A long term average link error rate.  It ranges
                  from 10**-4 to 10**-15 and is reported as the
                  absolute value of the exponent of the estimate."
          REFERENCE
                  "ANSI { fddiPORT 51 }"
          ::= { snmpFddiPORTEntry 15 }
      snmpFddiPORTLemRejectCts OBJECT-TYPE
          SYNTAX  Counter
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A link error monitoring count of the times that a
                  link has been rejected."
          REFERENCE
                  "ANSI { fddiPORT 52 }"
          ::= { snmpFddiPORTEntry 16 }
      snmpFddiPORTLemCts OBJECT-TYPE
          SYNTAX  Counter
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The aggregate link error monitor error count, set
                  to zero only on station power_up."
          REFERENCE
                  "ANSI { fddiPORT 53 }"
          ::= { snmpFddiPORTEntry 17 }
      snmpFddiPORTLerCutoff OBJECT-TYPE
          SYNTAX  INTEGER (4..15)
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "The link error rate estimate at which a link
                  connection will be broken.  It ranges from 10**-4
                  to 10**-15 and is reported as the absolute value
                  of the exponent."
          REFERENCE
                  "ANSI { fddiPORT 58 }"
          ::= { snmpFddiPORTEntry 18 }
      snmpFddiPORTLerAlarm OBJECT-TYPE
          SYNTAX  INTEGER (4..15)
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "The link error rate estimate at which a link
                  connection will generate an alarm.  It ranges from
                  10**-4 to 10**-15 and is reported as the absolute
                  value of the exponent of the estimate."
          REFERENCE
                  "ANSI { fddiPORT 59 }"
          ::= { snmpFddiPORTEntry 19 }
      snmpFddiPORTConnectState OBJECT-TYPE
          SYNTAX  INTEGER {
                      disabled(1),
                      connecting(2),
                      standby(3),
                      active(4)
                  }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "An indication of the connect state of this PORT.
                  Basically, this gives a higher level view of the
                  state of the connection by grouping PCM states and
                  the PC-Withhold flag state.  The supported values
                  and their corresponding PCM states and PC-Withhold
                  condition, when relevant, are:
                    disabled: (PC0:Off, PC9:Maint)
                  connecting: (PC1(Break) || PC3 (Connect) || PC4
                  (Next)                 || PC5 (Signal) || PC6
                  (Join) || PC7 (Verify))             &&
                  (PC_Withhold = None)
                     standby: (NOT PC_Withhold == None)
                      active: (PC2:Trace || PC8:Active) "
          REFERENCE
                  "ANSI { fddiPORT 61 }"
          ::= { snmpFddiPORTEntry 20 }
      snmpFddiPORTPCMState OBJECT-TYPE
          SYNTAX  INTEGER {
                      pc0(1), -- Off
                      pc1(2), -- Break
                      pc2(3), -- Trace
                      pc3(4), -- Connect
                      pc4(5), -- Next
                      pc5(6), -- Signal
                      pc6(7), -- Join
                      pc7(8), -- Verify
                      pc8(9), -- Active
                      pc9(10) -- Maint
                  }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "(refer to SMT 9.6.2)."
          REFERENCE
                  "ANSI { fddiPORT 62 }"
          ::= { snmpFddiPORTEntry 21 }
      snmpFddiPORTPCWithhold OBJECT-TYPE
          SYNTAX  INTEGER { none(1), m-m(2), other(3) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "PC_Withhold, (refer to ANSI SMT 9.4.1)."
          REFERENCE
                  "ANSI { fddiPORT 63 }"
          ::= { snmpFddiPORTEntry 22 }
      snmpFddiPORTLerCondition OBJECT-TYPE
          SYNTAX  INTEGER { true(1), false(2) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "This variable is set to true whenever LerEstimate
                  is less than or equal to LerAlarm."
          REFERENCE
                  "ANSI { fddiPORT 64 }"
          ::= { snmpFddiPORTEntry 23 }
      snmpFddiPORTChipSet OBJECT-TYPE
          SYNTAX  OBJECT IDENTIFIER
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "This object identifies the hardware chip(s) which
                  is (are) principally responsible for the
                  implementation of the PORT (PHY) function.  A few
                  OBJECT IDENTIFIERS are identified elsewhere in
                  this memo.  For those The assignment of additional
                  OBJECT IDENTIFIERs to various types of hardware
                  chip sets is managed by the IANA.  For example,
                  vendors whose chip sets are not defined in this
                  memo may request a number from the Internet
                  Assigned Numbers Authority (IANA) which indicates
                  the assignment of a enterprise specific subtree
                  which, among other things, may be used to allocate
                  OBJECT IDENTIFIER assignments for that
                  enterprise's chip sets.  Similarly, in the absence
                  of an appropriately assigned OBJECT IDENTIFIER in
                  this memo or in an enterprise specific subtree of
                  a chip vendor, a board or system vendor can
                  request a number for a subtree from the IANA and
                  make an appropriate assignment.  It is desired
                  that, whenever possible, the same OBJECT
                  IDENTIFIER be used for all chips of a given type.
                  Consequently, the assignment made in this memo for
                  a chip, if any, should be used in preference to
                  any other assignment and the assignment made by
                  the chip manufacturer, if any, should be used in
                  preference to assignments made by users of those
                  chips.  If the hardware chip set is unknown, the
                  object identifier
                  unknownChipSet OBJECT IDENTIFIER ::= { 0 0 }
                  is returned.  Note that unknownChipSet is a
                  syntactically valid object identifier, and any
                  conformant implementation of ASN.1 and the BER
                  must be able to generate and recognize this
                  value."
          ::= { snmpFddiPORTEntry 24 }
      snmpFddiPORTAction OBJECT-TYPE
          SYNTAX  INTEGER {
                      other(1),           -- none of the following
                      maintPORT(2),
                      enablePORT(3),
                      disablePORT(4),
                      startPORT(5),
                      stopPORT(6)
                  }
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "This object, when read, always returns a value of
                  other(1).  The behavior of setting this variable
                  to each of the acceptable values is as follows:
                  Other:          Results in a badValue error.
                  maintPORT:      Signal PC_Maint
                  enablePORT:     Signal PC_Enable
                  disablePORT:    Signal PC_Disable
                  startPORT:      Signal PC_Start
                  stopPORT:       Signal PC_Stop
                  Signals cause an SM_CM_CONTROL.request service to
                  be generated with a control_action of `Signal' and
                  the `variable' parameter set with the appropriate
                  value (i.e., PC_Maint, PC_Enable, PC_Disable,
                  PC_Start, PC_Stop).  Ref. ANSI SMT Section 9.3.2.
                  Attempts to set this object to all other values
                  results in a badValue error."
          REFERENCE
                  "ANSI { fddiPORT 70 }"
          ::= { snmpFddiPORTEntry 25 }
      -- the ATTACHMENT group
      -- Implementation of the ATTACHMENT group is mandatory for
      -- all systems which implement manageable FDDI subsystems.
      snmpFddiATTACHMENTNumber OBJECT-TYPE
          SYNTAX  INTEGER (0..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The total number of attachments (across all SMTs)
                  on this network management application entity.
                  The value for this variable must remain constant
                  at least from one re-initialization of the
                  entity's network management system to the next
                  re-initialization."
          ::= { snmpFddiATTACHMENT  1 }
      -- the ATTACHMENT table
      snmpFddiATTACHMENTTable OBJECT-TYPE
          SYNTAX  SEQUENCE OF SnmpFddiATTACHMENTEntry
          ACCESS  not-accessible
          STATUS  mandatory
          DESCRIPTION
                  "A list of ATTACHMENT entries.  The number of
                  entries is given by the value of
                  snmpFddiATTACHMENTNumber."
          ::= { snmpFddiATTACHMENT  2 }
      snmpFddiATTACHMENTEntry OBJECT-TYPE
          SYNTAX  SnmpFddiATTACHMENTEntry
          ACCESS  not-accessible
          STATUS  mandatory
          DESCRIPTION
                  "An ATTACHMENT entry containing information common
                  to a given set of ATTACHMENTs.
                  The ATTACHMENT Resource represents a PORT or a
                  pair of PORTs plus the optional associated optical
                  bypass that are managed as a functional unit.
                  Because of its relationship to the PORT Objects,
                  there is a natural association of ATTACHMENT
                  Resource Indices to the PORT Indices.  The
                  resource index for the ATTACHMENT is equal to the
                  associated PORT index for 'single-attachment' and
                  'concentrator' type snmpFddiATTACHMENTClasses.
                  For 'dual-attachment' Classes, the ATTACHMENT
                  Index is the PORT Index of the A PORT of the A/B
                  PORT Pair that represents the ATTACHMENT."
          INDEX   { snmpFddiATTACHMENTSMTIndex,
                                         snmpFddiATTACHMENTIndex }
          ::= { snmpFddiATTACHMENTTable 1 }
      SnmpFddiATTACHMENTEntry ::=
          SEQUENCE {
              snmpFddiATTACHMENTSMTIndex
                      INTEGER,
              snmpFddiATTACHMENTIndex
                      INTEGER,
              snmpFddiATTACHMENTClass
                      INTEGER,
              snmpFddiATTACHMENTOpticalBypassPresent
                      INTEGER,
              snmpFddiATTACHMENTIMaxExpiration
                      FddiTime,
              snmpFddiATTACHMENTInsertedStatus
                      INTEGER,
              snmpFddiATTACHMENTInsertPolicy
                      INTEGER
          }
      snmpFddiATTACHMENTSMTIndex OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The value of the SMT index associated with this
                  ATTACHMENT."
          ::= { snmpFddiATTACHMENTEntry 1 }
      snmpFddiATTACHMENTIndex OBJECT-TYPE
          SYNTAX  INTEGER (1..65535)
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "A unique value for each ATTACHMENT on a given
                  SMT.  Its value ranges between 1 and the sum of
                  the values of snmpFddiSMTNonMasterCt {
                  snmpFddiSMTEntry 6 } and snmpFddiSMTMasterCt {
                  snmpFddiSMTEntry 7 } on the given SMT.  The value
                  for each ATTACHMENT must remain constant at least
                  from one re-initialization of the entity's network
                  management system to the next re-initialization."
          ::= { snmpFddiATTACHMENTEntry 2 }
      snmpFddiATTACHMENTClass OBJECT-TYPE
          SYNTAX  INTEGER {
                      single-attachment(1),
                      dual-attachment(2),
                      concentrator(3)
                  }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The Attachment class.  This  represents a PORT or
                  a pair of PORTs plus the associated optional
                  optical bypass that are managed as a functional
                  unit.  The PORT associations are the following:
                      single-attachment - S PORTs
                        dual-attachment - A/B PORT Pairs
                           concentrator - M PORTs "
          REFERENCE
                  "ANSI { fddiATTACHMENT 11 }"
          ::= { snmpFddiATTACHMENTEntry 3 }
      snmpFddiATTACHMENTOpticalBypassPresent OBJECT-TYPE
          SYNTAX  INTEGER { true(1), false(2) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "The value of this value is false for 'single-
                  attachment' and { snmpFddiATTACHMENT 11 }.
                  Correct operation of CMT for single-attachment and
                  concentrator attachments requires that a bypass
                  function must not loopback the network side of the
                  MIC, but only the node side."
          REFERENCE
                  "ANSI { fddiATTACHMENT 12 }"
          ::= { snmpFddiATTACHMENTEntry 4 }
      snmpFddiATTACHMENTIMaxExpiration OBJECT-TYPE
          SYNTAX  FddiTime
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "I_Max (refer to ANSI SMT 9.4.4.2.1).  It is
                  recognized that some currently deployed systems do
                  not implement an optical bypass.  Systems which do
                  not implement optical bypass should return a value
                  of 0."
          REFERENCE
                  "ANSI { fddiATTACHMENT 13 }"
          ::= { snmpFddiATTACHMENTEntry 5 }
      snmpFddiATTACHMENTInsertedStatus OBJECT-TYPE
          SYNTAX  INTEGER { true(1), false(2), unimplemented(3) }
          ACCESS  read-only
          STATUS  mandatory
          DESCRIPTION
                  "Indicates whether the attachment is currently
                  inserted in the node."
          REFERENCE
                  "ANSI { fddiATTACHMENT 14 }"
          ::= { snmpFddiATTACHMENTEntry 6 }
      snmpFddiATTACHMENTInsertPolicy OBJECT-TYPE
          SYNTAX  INTEGER { true(1), false(2), unimplemented(3) }
          ACCESS  read-write
          STATUS  mandatory
          DESCRIPTION
                  "Indicates the Insert Policy for this Attachment.
                  Insert: True (1), Don't Insert:  False (2),
                  Unimplemented (3)"
          REFERENCE
                  "ANSI { fddiATTACHMENT 15 }"
          ::= { snmpFddiATTACHMENTEntry 7 }
      -- the Chip Set group
      -- The following object identifiers are allocated for use
      -- with the snmpFddiMACChipSet and snmpFddiPORTChipSet
      -- variables.
             snmpFddiPHYChipSets   -- Chips primarily responsible
                                   -- for implementing the PHY
                                   -- function.
                     OBJECT IDENTIFIER ::= { snmpFddiChipSets 1 }
                                   -- None defined at present
                                   -- Chipsets may someday be
                                   -- defined here
             snmpFddiMACChipSets   -- Chips primarily responsible
                                   -- for implementing the
                                   -- MAC function.
                     OBJECT IDENTIFIER ::= { snmpFddiChipSets 2 }
                                    -- None defined at present
                                    -- Chipsets may someday be
                                    -- defined here
             snmpFddiPHYMACChipSets -- Chips which implement both
                                    -- the PHY and MAC functions
                     OBJECT IDENTIFIER ::= { snmpFddiChipSets 3 }
                                    -- None defined at present
                                    -- Chipsets may someday be
                                    -- defined here
      END

Acknowledgements

This document was produced by the IETF FDDI MIB working group:

           Steve Adams, Digital Equipment Corporation
           Hossein Alaee, 3Com Corporation
           Haggar Alsaleh, Bell Northern Research
           William Anderson, Mitre Corporation
           Alan Apt, Addison-Wesley
           Mary Artibee, Silicon Graphics
           Karen Auerbach, Epilogue Technologies
           Doug Bagnall, Apollo/Hewlett Packard
           Chet Birger, Coral Network Corporation
           Pablo Brenner, Sparta
           Howard Brown, Cabletron
           Jack Brown, US Army Computer Engineering Center
           Eric Brunner
           Jeff Case, The University of Tennessee
           Tammy Chan, Fibercom
           Asheem Chandna, AT&T
           Cho Y. Chang, Apollo/Hewlett Packard
           Chris Chiotasso, Fibronics
           Paul Ciarfella, Digital Equipment Corporation
           John Cook, Chipcom
           Don Coolidge, Silicon Graphics
           Burt Cyr, Unisys
           James R. Davin, Massachusetts Institute of Technology
           Nabil Damouny
           Nadya El-Afandi, Network Systems Corporation
           Hunaid Engineer, Cray Research
           Jeff Fitzgerald, Fibercom
           Richard Fox, Synoptics
           Stan Froyd, ACC
           Debbie Futcher, U.S. Naval Surface Warfare Center
           Joseph Golio, Cray Research
           Jeremy Greene, Coral
           Brian D. Handspicker, Digital Equipment Corporation
           Peter Hayden, Digital Equipment Corporation
           Scott Hiles, U.S. Naval Surface Warfare Center
           Greg Jones, Data General
           Satish Joshi, SynOptics Communications
           Jayant Kadambi, AT&T Bell Labs
           Joanna Karwowska, Data General
           Frank Kastenholz, Interlan
           Jim Kinder, Fibercom
           Christopher Kolb, PSI
           Cheryl Krupczak, NCR
           Peter Lin, Vitalink
           Then Liu
           John R. LoVerso, Concurrent Computer Corporation
           Ron Mackey
           Gary Malkin, Proteon
           Bruce McClure, Synernetics
           Keith McCloghrie, Hughes Lan Systems
           Donna McMaster, SynOptics
           John O'Hara, Massachusetts Institute of Technology
           Dave Perkins, SynOptics Communications
           James E. Reeves, SynOptics Communications
           Jim Reinstedler, Ungermann-Bass
           Radhi Renous, Fibronics
           Anil Rijsinghani, Digital Equipment Corporation
           Bob Rolla, Synernetics
           Nelson Ronkin, Synernetics
           Marshall T. Rose, Performance Systems International, Inc.
           Milt Roselinsky, CMC
           Jon Saperia, Digital Equipment Corporation
           Greg Satz, cisco Systems
           Steven Senum, Network Systems Corporation
           Jim Sheridan, IBM Corporation
           Jeffrey Schiller, MIT
           Dror Shindelman, Sparta
           Mark Sleeper, Sparta
           Craig Smelser, Digital Equipment Corporation
           Lou Steinberg, IBM Corporation
           Mary Jane Strohl, Apollo/Hewlett Packard
           Sally Tarquinio, Mitre Corporation
           Kaj Tesink, Bellcore
           Ian Thomas, Chipcom
           Dean Throop, Data General
           Bill Townsend, Xylogics
           Ahmet H. Tuncay, SynOptics Communications
           Mike Turico, Motorola
           Chris VandenBerg, ACC
           Sudhanshu Verma, Hewlett Packard
           Joe Vermeulen, UNISYS
           David Waiteman, BBN
           Bert Williams, Synernetics
           Mark Wood, AT&T Computer Systems
           Y. C. Yang
           Denis Yaro, Sun Microsystems
           Jeff Young, Cray Research

The editor gratefully acknowledges the contributions of the editor of the ANSI X3T9.5 SMT document, Mary Jane Strohl of Hewlett Packard/Apollo, whose provision of that document in machine readable form saved much typing and avoided many data entry errors.

The author gratefully acknowledges the labors of Dr. Marshall T. Rose in assisting with converting this document to the new concise MIB format.

References

[1] Rose M., and K. McCloghrie, "Structure and Identification of

   Management Information for TCP/IP-based internets", RFC 1155,
   Performance Systems International, Hughes LAN Systems, May 1990.

[2] McCloghrie K., and M. Rose, "Management Information Base for

   Network Management of TCP/IP-based internets", RFC 1156, Hughes
   LAN Systems, Performance Systems International, May 1990.

[3] Case, J., Fedor, M., Schoffstall, M., and J. Davin, "Simple

   Network Management Protocol", RFC 1157, SNMP Research,
   Performance Systems International, Performance Systems
   International, MIT Laboratory for Computer Science, May 1990.

[4] McCloghrie K., and M. Rose, Editors, "Management Information Base

   for Network Management of TCP/IP-based internets", RFC 1213,
   Performance Systems International, March 1991.

[5] Information processing systems - Open Systems Interconnection -

   Specification of Abstract Syntax Notation One (ASN.1),
   International Organization for Standardization, International
   Standard 8824, December 1987.

[6] Information processing systems - Open Systems Interconnection -

   Specification of Basic Encoding Rules for Abstract Notation One
   (ASN.1), International Organization for Standardization,
   International Standard 8825, December 1987.

[7] Rose, M., and K. McCloghrie, Editors, "Concise MIB Definitions",

   RFC 1212, Performance Systems International, Hughes LAN Systems,
   March 1991.

[8] American National Standards Institute, "FDDI Station Management

   (SMT)", Preliminary Draft Proposed American National Standard,
   American National Standards Institute, X3T9/90-X3T9.5/84-49 REV
   6.2, May 18, 1990.

Security Considerations

Security issues are not discussed in this memo.

Author's Address

Jeffrey D. Case SNMP Research, Incorporated 3001 Kimberlin Heights Road Knoxville, Tennessee 37920

Phone: (615) 573-1434

EMail: [email protected]