RFC 1285 - FDDI Management Information Base

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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.
Table of Contents
 1. Abstract .............................................. 1
 2. The Network Management Framework....................... 1
 3. Objects ............................................... 2
 3.1 Format of Definitions ................................ 2
 4. Overview .............................................. 3
 4.1 Textual Conventions .................................. 3
 5. Object Definitions .................................... 4
 5.1 The SMT Group ........................................ 5
 5.2 The MAC Group ........................................ 15
 5.3 The PATH Group ....................................... 27
 5.4 The PORT Group ....................................... 27
 5.5 The ATTACHMENT Group ................................. 38
 5.6 The Chip Set Group ................................... 42
 6. Acknowledgements ...................................... 43
 7. References ............................................ 45
 Security Considerations................................... 46
 Author's Address.......................................... 46
1. 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.
2. The Network Management Framework
 The Internet-standard Network Management Framework consists of three
 components. They are:
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RFC 1285 FDDI MIB January 1992
 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.
3. 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.
3.1. 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
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RFC 1285 FDDI MIB January 1992
 specified in [7].
4. 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.
4.1. 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
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 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.
5. 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
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 -- (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
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 "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,
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 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 }
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 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
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 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
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 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 }
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 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 }
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 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
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 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
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 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)."
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 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,
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 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,
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 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.
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 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
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RFC 1285 FDDI MIB January 1992
 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))
Case [Page 19]

RFC 1285 FDDI MIB January 1992
 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
Case [Page 20]

RFC 1285 FDDI MIB January 1992
 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
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RFC 1285 FDDI MIB January 1992
 "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 }
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RFC 1285 FDDI MIB January 1992
 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 }
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RFC 1285 FDDI MIB January 1992
 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 }
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RFC 1285 FDDI MIB January 1992
 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
Case [Page 25]

RFC 1285 FDDI MIB January 1992
 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
Case [Page 26]

RFC 1285 FDDI MIB January 1992
 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
Case [Page 27]

RFC 1285 FDDI MIB January 1992
 -- 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
Case [Page 28]

RFC 1285 FDDI MIB January 1992
 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
Case [Page 29]

RFC 1285 FDDI MIB January 1992
 "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.
Case [Page 30]

RFC 1285 FDDI MIB January 1992
 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 }"
Case [Page 31]

RFC 1285 FDDI MIB January 1992
 ::= { 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 }
Case [Page 32]

RFC 1285 FDDI MIB January 1992
 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
Case [Page 33]

RFC 1285 FDDI MIB January 1992
 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
Case [Page 34]

RFC 1285 FDDI MIB January 1992
 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:
Case [Page 35]

RFC 1285 FDDI MIB January 1992
 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
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RFC 1285 FDDI MIB January 1992
 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
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RFC 1285 FDDI MIB January 1992
 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.
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RFC 1285 FDDI MIB January 1992
 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 }
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RFC 1285 FDDI MIB January 1992
 ::= { 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),
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RFC 1285 FDDI MIB January 1992
 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) }
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RFC 1285 FDDI MIB January 1992
 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
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RFC 1285 FDDI MIB January 1992
 OBJECT IDENTIFIER ::= { snmpFddiChipSets 3 }
 -- None defined at present
 -- Chipsets may someday be
 -- defined here
 END
6. 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
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RFC 1285 FDDI MIB January 1992
 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
Case [Page 44]

RFC 1285 FDDI MIB January 1992
 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.
8. 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,
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RFC 1285 FDDI MIB January 1992
 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: case@CS.UTK.EDU
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