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Network Working Group                                      S. WaldbusserRequest for Comments: 1513                    Carnegie Mellon UniversityUpdates:1271                                             September 1993Token Ring Extensions to the Remote Network Monitoring MIBStatus of this Memo   This RFC specifies an Internet standards track protocol for the   Internet community, and requests discussion and suggestions for   improvements.  Please refer to the current edition of the "Internet   Official Protocol Standards" for the standardization state and status   of this protocol.  Distribution of this memo is unlimited.Abstract   This memo defines extensions to the Remote Network Monitoring MIB for   managing 802.5 Token Ring networks.   The Remote Network Monitoring MIB,RFC 1271, defines a framework for   remote monitoring functions implemented on a network probe.  That MIB   defines objects broken down into nine functional groups.  Some of   those functional groups, the statistics and the history groups, have   a view of the data-link layer that is specific to the media type and   require specific objects to be defined for each media type.RFC 1271   defined those specific objects necessary for Ethernet.  This   companion memo defines those specific objects necessary for Token   Ring LANs.   In addition, this memo defines some additional monitoring functions   specifically for Token Ring.  These are defined in the Ring Station   Group, the Ring Station Order Group, the Ring Station Configuration   Group, and the Source Routing Statistics Group.Table of Contents1. The Network Management Framework ......................2   2. Guidelines for implementingRFC1271 objects on a      Token Ring network ....................................32.1 Host Group ...........................................32.2 Matrix Group .........................................32.3 Filter Group .........................................32.4 Other comments .......................................43. Overview of the RMON Token Ring Extensions MIB ........43.1 The Token Ring Statistics Groups .....................43.2 The Token Ring History Groups ........................53.3 The Token Ring Ring Station Group ....................5Waldbusser                                                      [Page 1]

RFC 1513           Token Ring Extensions to RMON MIB      September 19933.4 The Token Ring Ring Station Order Group ..............53.5 The Token Ring Ring Station Config Group .............53.6 The Token Ring Source Routing Group ..................54. Terminology ...........................................55. Definitions ...........................................65.1 The Token Ring Mac-Layer Statistics Group ............65.2 The Token Ring Promiscuous Statistics Group ..........145.3 The Token Ring Mac-Layer History Group ...............195.4 The Token Ring Promiscuous History Group .............275.5 The Token Ring Ring Station Group ....................325.6 The Token Ring Ring Station Order Group ..............415.7 The Token Ring Ring Station Config Group .............435.8 The Token Ring Source Routing Group ..................476. References ............................................547. Acknowledgments .......................................558. Security Considerations ...............................559. Author's Address ......................................551.  The Network Management Framework   The Internet-standard Network Management Framework consists of three   components.  They are:      STD 16,RFC 1155 [1] which defines the SMI, the mechanisms used      for describing and naming objects for the purpose of management.      STD 16,RFC 1212 [2] defines a more concise description mechanism,      which is wholly consistent with the SMI.      STD 17,RFC 1213 [3] which defines MIB-II, the core set of managed      objects for the Internet suite of protocols.      STD 15,RFC 1157 [4] 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.   Managed objects are accessed via a virtual information store, termed   the Management Information Base or MIB.  Within a given MIB module,   objects are defined using STD 16,RFC 1212's OBJECT-TYPE macro.  At a   minimum, each object has a name, a syntax, an access-level, and an   implementation-status.   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.Waldbusser                                                      [Page 2]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993   The syntax of an object type defines the abstract data structure   corresponding to that object type.  The ASN.1[5] language is used for   this purpose.  However, STD 16,RFC 1155 purposely restricts the   ASN.1 constructs which may be used.  These restrictions are   explicitly made for simplicity.   The access-level of an object type defines whether it makes "protocol   sense" to read and/or write the value of an instance of the object   type.  (This access-level is independent of any administrative   authorization policy.)   The implementation-status of an object type indicates whether the   object is mandatory, optional, obsolete, or deprecated.2.  Guidelines for implementingRFC1271 objects on a Token    Ring network   Wherever a MacAddress is to be used in this MIB the source routing   bit is stripped off.  The resulting address will be consistently   valid for all packets sent by a particular node.2.1.  Host Group   Only Token Ring isolating errors will increment the error counter for   a particular hostEntry.  The isolating errors are: LineErrors,   BurstErrors, ACErrors, InternalErrors, and AbortErrors.  ACErrors   will increment the error counter only for the nearest upstream   neighbor of the station reporting the error.  LineErrors and   BurstErrors will increment the error counters for the station   reporting the error and its neighbor upstream neighbor.   InternalErrors and AbortErrors will increment the error counter for   the station reporting the error only.  In addition, congestionErrors   will also be counted for each hostEntry. These errors will be   incremented in the host entry of the station that reports the errors   in an error report frame.   The hostOutPkts and hostOutOctets counters shall not be incremented   for packets with errors.2.2.  Matrix Group   Error counters are never incremented.2.3.  Filter Group   The following conditions make up the status bitmask for token ring   networks:Waldbusser                                                      [Page 3]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993               bit #    Error                   3    First packet after some packets were dropped                   4    Packet with the Frame Copied Bit set                   5    Packet with the Address Recognized Bit set   For the purpose of the packet match algorithm, the filters assume a   32 byte RIF field.  Thus, when matching, the filter is compared to   the packet starting at the AC byte of the packet, until the end of   the RIF field; then the unused RIF bytes in the filter are skipped   and matching proceeds from that point.  Any filter "care" bits in the   RIF that don't correspond to bytes in the input packet will cause the   filter to fail.2.4.  Other comments   Because soft error report packets may be sent with assured delivery,   some errors may be accidently reported twice on devices that perform   the RMON function promiscuously.3.  Overview of the RMON Token Ring Extensions MIB   The Remote Network Monitoring MIB,RFC 1271, defines a framework for   remote monitoring functions implemented on a network probe.  That MIB   defines objects broken down into nine functional groups.  Some of   those functional groups, the statistics and the history groups, have   a view of the data-link layer that is specific to the media type and   require specific objects to be defined for each media type.RFC 1271   defined those specific objects necessary for Ethernet.  This MIB   defines contains four groups that define those specific objects   necessary for Token Ring LANs.   In addition, this memo defines some additional monitoring functions   specifically for Token Ring.  These are defined in the Ring Station   Group, the Ring Station Order Group, the Ring Station Configuration   Group, and the Source Routing Statistics Group.3.1.  The Token Ring Statistics Groups   The Token Ring statistics groups contain current utilization and   error statistics.  The statistics are broken down into two groups,   the Token Ring Mac-Layer Statistics Group and the Token Ring   Promiscuous Statistics Group.  The Token Ring Mac-Layer Statistics   Group collects information from Mac Layer, including error reports   for the ring and ring utilization of the Mac Layer.  The Token Ring   Promiscuous Statistics Group collects utilization statistics from   data packets collected promiscuously.Waldbusser                                                      [Page 4]

RFC 1513           Token Ring Extensions to RMON MIB      September 19933.2.  The Token Ring History Groups   The Token Ring History Groups contain historical utilization and   error statistics.  The statistics are broken down into two groups,   the Token Ring Mac-Layer History Group and the Token Ring Promiscuous   History Group.  The Token Ring Mac-Layer History Group collects   information from Mac Layer, including error reports for the ring and   ring utilization of the Mac Layer.  The Token Ring Promiscuous   History Group collects utilization statistics from data packets   collected promiscuously.3.3.  The Token Ring Ring Station Group   The Token Ring Ring Station Group contains statistics and status   information associated with each Token Ring station on the local   ring.  In addition, this group provides status information for each   ring being monitored.3.4.  The Token Ring Ring Station Order Group   The Token Ring Ring Station Order Group provides the order of the   stations on monitored rings.3.5.  The Token Ring Ring Station Config Group   The Token Ring Ring Station Config Group manages token ring stations   through active means.  Any station on a monitored ring may be removed   or have configuration information downloaded from it.3.6.  The Token Ring Source Routing Group   The Token Ring Source Routing Group contains utilization statistics   derived from source routing information optionally present in token   ring packets.4.  Terminology   The 802.5 specification [7] defines the term "good frame" as a frame   that is bounded by a valid SD and ED, is an integral number of octets   in length, is composed of only 0 and 1 bits between the SD and the   ED, has the FF bits of the GC field equal to 00 or 01, has a valid   FCS, and has a minimum of 18 octets between the SD and the ED.  This   document will use the term "good frame" in the same manner.Waldbusser                                                      [Page 5]

RFC 1513           Token Ring Extensions to RMON MIB      September 19935.  Definitions          TOKEN-RING-RMON-MIB DEFINITIONS ::= BEGIN          IMPORTS              Counter, TimeTicks          FROMRFC1155-SMI              OBJECT-TYPE                 FROMRFC-1212              OwnerString, EntryStatus,   -- Textual Conventions              rmon, statistics, history                                          FROMRFC1271-MIB;             -- All representations of MAC addresses in this MIB             -- Module use, as a textual convention (i.e. this             -- convention does not affect their encoding), the             -- data type:             MacAddress ::= OCTET STRING (SIZE (6)) -- a 6 octet                                                    -- address in                                                    -- the "canonical"                                                    -- order             -- defined by IEEE 802.1a, i.e., as if it were             -- transmitted least significant bit first, even though             -- 802.5 (in contrast to other 802.x protocols) requires             -- MAC addresses to be transmitted most significant bit             -- first.              TimeInterval ::= INTEGER              -- A period of time, measured in units of 0.01 seconds.          --  This MIB module uses the extended OBJECT-TYPE macro as          --  defined in [2].          --  Token Ring Remote Network Monitoring MIB              tokenRing             OBJECT IDENTIFIER ::= { rmon 10 }          -- The Token Ring Mac-Layer Statistics Group          --          -- Implementation of this group is optional          tokenRingMLStatsTable OBJECT-TYPE              SYNTAX SEQUENCE OF TokenRingMLStatsEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A list of Mac-Layer Token Ring statisticsWaldbusser                                                      [Page 6]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      entries."              ::= { statistics 2 }          tokenRingMLStatsEntry OBJECT-TYPE              SYNTAX TokenRingMLStatsEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A collection of Mac-Layer statistics kept for a                      particular Token Ring interface."              INDEX { tokenRingMLStatsIndex }              ::= { tokenRingMLStatsTable 1 }          -- As an example, an instance of the          -- tokenRingMLStatsMacOctets object          -- might be named tokenRingMLStatsMacOctets.1          TokenRingMLStatsEntry ::= SEQUENCE {              tokenRingMLStatsIndex                     INTEGER,              tokenRingMLStatsDataSource            OBJECT IDENTIFIER,              tokenRingMLStatsDropEvents                Counter,              tokenRingMLStatsMacOctets                 Counter,              tokenRingMLStatsMacPkts                   Counter,              tokenRingMLStatsRingPurgeEvents           Counter,              tokenRingMLStatsRingPurgePkts             Counter,              tokenRingMLStatsBeaconEvents              Counter,              tokenRingMLStatsBeaconTime                TimeInterval,              tokenRingMLStatsBeaconPkts                Counter,              tokenRingMLStatsClaimTokenEvents          Counter,              tokenRingMLStatsClaimTokenPkts            Counter,              tokenRingMLStatsNAUNChanges               Counter,              tokenRingMLStatsLineErrors                Counter,              tokenRingMLStatsInternalErrors            Counter,              tokenRingMLStatsBurstErrors               Counter,              tokenRingMLStatsACErrors                  Counter,              tokenRingMLStatsAbortErrors               Counter,              tokenRingMLStatsLostFrameErrors           Counter,              tokenRingMLStatsCongestionErrors          Counter,              tokenRingMLStatsFrameCopiedErrors         Counter,              tokenRingMLStatsFrequencyErrors           Counter,              tokenRingMLStatsTokenErrors               Counter,              tokenRingMLStatsSoftErrorReports          Counter,              tokenRingMLStatsRingPollEvents            Counter,              tokenRingMLStatsOwner                     OwnerString,              tokenRingMLStatsStatus                    EntryStatus          }Waldbusser                                                      [Page 7]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          tokenRingMLStatsIndex OBJECT-TYPE              SYNTAX INTEGER (1..65535)              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of this object uniquely identifies this                      tokenRingMLStats entry."              ::= { tokenRingMLStatsEntry 1 }          tokenRingMLStatsDataSource OBJECT-TYPE              SYNTAX OBJECT IDENTIFIER              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "This object identifies the source of the data                      that this tokenRingMLStats entry is configured to                      analyze.  This source can be any tokenRing                      interface on this device.  In order to identify a                      particular interface, this object shall identify                      the instance of the ifIndex object, defined in                      MIB-II [3], for the desired interface.  For                      example, if an entry were to receive data from                      interface #1, this object would be set to                      ifIndex.1.                      The statistics in this group reflect all error                      reports on the local network segment attached to                      the identified interface.                      This object may not be modified if the associated                      tokenRingMLStatsStatus object is equal to                      valid(1)."              ::= { tokenRingMLStatsEntry 2 }          tokenRingMLStatsDropEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of events in which packets were                      dropped by the probe due to lack of resources.                      Note that this number is not necessarily the                      number of packets dropped; it is just the number                      of times this condition has been detected.  This                      value is the same as the corresponding                      tokenRingPStatsDropEvents."              ::= { tokenRingMLStatsEntry 3 }Waldbusser                                                      [Page 8]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          tokenRingMLStatsMacOctets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of octets of data in MAC packets                      (excluding those that were not good frames)                      received on the network (excluding framing bits                      but including FCS octets)."              ::= { tokenRingMLStatsEntry 4 }          tokenRingMLStatsMacPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of MAC packets (excluding                      packets that were not good frames) received."              ::= { tokenRingMLStatsEntry 5 }          tokenRingMLStatsRingPurgeEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of times that the ring enters                      the ring purge state from normal ring state.  The                      ring purge state that comes in response to the                      claim token or beacon state is not counted."              ::= { tokenRingMLStatsEntry 6 }          tokenRingMLStatsRingPurgePkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of ring purge MAC packets                      detected by probe."              ::= { tokenRingMLStatsEntry 7 }          tokenRingMLStatsBeaconEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of times that the ring enters a                      beaconing state (beaconFrameStreamingState,                      beaconBitStreamingState,Waldbusser                                                      [Page 9]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      beaconSetRecoveryModeState, or                      beaconRingSignalLossState) from a non-beaconing                      state.  Note that a change of the source address                      of the beacon packet does not constitute a new                      beacon event."              ::= { tokenRingMLStatsEntry 8 }          tokenRingMLStatsBeaconTime OBJECT-TYPE              SYNTAX TimeInterval              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total amount of time that the ring has been                      in the beaconing state."              ::= { tokenRingMLStatsEntry 9 }          tokenRingMLStatsBeaconPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of beacon MAC packets detected                      by the probe."              ::= { tokenRingMLStatsEntry 10 }          tokenRingMLStatsClaimTokenEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of times that the ring enters                      the claim token state from normal ring state or                      ring purge state.  The claim token state that                      comes in response to a beacon state is not                      counted."              ::= { tokenRingMLStatsEntry 11 }          tokenRingMLStatsClaimTokenPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of claim token MAC packets                      detected by the probe."              ::= { tokenRingMLStatsEntry 12 }Waldbusser                                                     [Page 10]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          tokenRingMLStatsNAUNChanges OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of NAUN changes detected by the                      probe."              ::= { tokenRingMLStatsEntry 13 }          tokenRingMLStatsLineErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of line errors reported in error                      reporting packets detected by the probe."              ::= { tokenRingMLStatsEntry 14 }          tokenRingMLStatsInternalErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of adapter internal errors                      reported in error reporting packets detected by                      the probe."              ::= { tokenRingMLStatsEntry 15 }          tokenRingMLStatsBurstErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of burst errors reported in                      error reporting packets detected by the probe."              ::= { tokenRingMLStatsEntry 16 }          tokenRingMLStatsACErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of AC (Address Copied)  errors                      reported in error reporting packets detected by                      the probe."              ::= { tokenRingMLStatsEntry 17 }Waldbusser                                                     [Page 11]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          tokenRingMLStatsAbortErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of abort delimiters reported in                      error reporting packets detected by the probe."              ::= { tokenRingMLStatsEntry 18 }          tokenRingMLStatsLostFrameErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of lost frame errors reported in                      error reporting packets detected by the probe."              ::= { tokenRingMLStatsEntry 19 }          tokenRingMLStatsCongestionErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of receive congestion errors                      reported in error reporting packets detected by                      the probe."              ::= { tokenRingMLStatsEntry 20 }          tokenRingMLStatsFrameCopiedErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frame copied errors reported                      in error reporting packets detected by the probe."              ::= { tokenRingMLStatsEntry 21 }          tokenRingMLStatsFrequencyErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frequency errors reported in                      error reporting packets detected by the probe."              ::= { tokenRingMLStatsEntry 22 }Waldbusser                                                     [Page 12]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          tokenRingMLStatsTokenErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of token errors reported in                      error reporting packets detected by the probe."              ::= { tokenRingMLStatsEntry 23 }          tokenRingMLStatsSoftErrorReports OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of soft error report frames                      detected by the probe."              ::= { tokenRingMLStatsEntry 24 }          tokenRingMLStatsRingPollEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of ring poll events detected by                      the probe (i.e. the number of ring polls initiated                      by the active monitor that were detected)."              ::= { tokenRingMLStatsEntry 25 }          tokenRingMLStatsOwner OBJECT-TYPE              SYNTAX OwnerString              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "The entity that configured this entry and is                      therefore using the resources assigned to it."              ::= { tokenRingMLStatsEntry 26 }          tokenRingMLStatsStatus OBJECT-TYPE              SYNTAX EntryStatus              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "The status of this tokenRingMLStats entry."              ::= { tokenRingMLStatsEntry 27 }Waldbusser                                                     [Page 13]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          -- The Token Ring Promiscuous Statistics Group          --          -- Implementation of this group is optional          tokenRingPStatsTable OBJECT-TYPE              SYNTAX SEQUENCE OF TokenRingPStatsEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A list of promiscuous Token Ring statistics                      entries."              ::= { statistics 3 }          tokenRingPStatsEntry OBJECT-TYPE              SYNTAX TokenRingPStatsEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A collection of promiscuous statistics kept for                      non-MAC packets on a particular Token Ring                      interface."              INDEX { tokenRingPStatsIndex }              ::= { tokenRingPStatsTable 1 }          -- As an example, an instance of the          -- tokenRingPStatsDataOctets object          -- might be named tokenRingPStatsDataOctets.1          TokenRingPStatsEntry ::= SEQUENCE {              tokenRingPStatsIndex                          INTEGER,              tokenRingPStatsDataSource               OBJECT IDENTIFIER,              tokenRingPStatsDropEvents                     Counter,              tokenRingPStatsDataOctets                     Counter,              tokenRingPStatsDataPkts                       Counter,              tokenRingPStatsDataBroadcastPkts              Counter,              tokenRingPStatsDataMulticastPkts              Counter,              tokenRingPStatsDataPkts18to63Octets           Counter,              tokenRingPStatsDataPkts64to127Octets          Counter,              tokenRingPStatsDataPkts128to255Octets         Counter,              tokenRingPStatsDataPkts256to511Octets         Counter,              tokenRingPStatsDataPkts512to1023Octets        Counter,              tokenRingPStatsDataPkts1024to2047Octets       Counter,              tokenRingPStatsDataPkts2048to4095Octets       Counter,              tokenRingPStatsDataPkts4096to8191Octets       Counter,              tokenRingPStatsDataPkts8192to18000Octets      Counter,              tokenRingPStatsDataPktsGreaterThan18000Octets Counter,              tokenRingPStatsOwner                          OwnerString,              tokenRingPStatsStatus                         EntryStatusWaldbusser                                                     [Page 14]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          }          tokenRingPStatsIndex OBJECT-TYPE              SYNTAX INTEGER (1..65535)              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of this object uniquely identifies this                      tokenRingPStats entry."              ::= { tokenRingPStatsEntry 1 }          tokenRingPStatsDataSource OBJECT-TYPE              SYNTAX OBJECT IDENTIFIER              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "This object identifies the source of the data                      that this tokenRingPStats entry is configured to                      analyze.  This source can be any tokenRing                      interface on this device.  In order to identify a                      particular interface, this object shall identify                      the instance of the ifIndex object, defined in                      MIB-II [3], for the desired interface.  For                      example, if an entry were to receive data from                      interface #1, this object would be set to                      ifIndex.1.                      The statistics in this group reflect all non-MAC                      packets on the local network segment attached to                      the identified interface.                      This object may not be modified if the associated                      tokenRingPStatsStatus object is equal to                      valid(1)."              ::= { tokenRingPStatsEntry 2 }          tokenRingPStatsDropEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of events in which packets were                      dropped by the probe due to lack of resources.                      Note that this number is not necessarily the                      number of packets dropped; it is just the number                      of times this condition has been detected.  This                      value is the same as the corresponding                      tokenRingMLStatsDropEvents"Waldbusser                                                     [Page 15]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              ::= { tokenRingPStatsEntry 3 }          tokenRingPStatsDataOctets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of octets of data in good frames                      received on the network (excluding framing bits                      but including FCS octets) in non-MAC packets."              ::= { tokenRingPStatsEntry 4 }          tokenRingPStatsDataPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of non-MAC packets in good                      frames.  received."              ::= { tokenRingPStatsEntry 5 }          tokenRingPStatsDataBroadcastPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      that were directed to an LLC broadcast address                      (0xFFFFFFFFFFFF or 0xC000FFFFFFFF)."              ::= { tokenRingPStatsEntry 6 }          tokenRingPStatsDataMulticastPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      that were directed to a local or global multicast                      or functional address.  Note that this number does                      not include packets directed to the broadcast                      address."              ::= { tokenRingPStatsEntry 7 }          tokenRingPStatsDataPkts18to63Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTIONWaldbusser                                                     [Page 16]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      "The total number of good non-MAC frames received                      that were between 18 and 63 octets in length                      inclusive, excluding framing bits but including                      FCS octets."              ::= { tokenRingPStatsEntry 8 }          tokenRingPStatsDataPkts64to127Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      that were between 64 and 127 octets in length                      inclusive, excluding framing bits but including                      FCS octets."              ::= { tokenRingPStatsEntry 9 }          tokenRingPStatsDataPkts128to255Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      that were between 128 and 255 octets in length                      inclusive, excluding framing bits but including                      FCS octets."              ::= { tokenRingPStatsEntry 10 }          tokenRingPStatsDataPkts256to511Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      that were between 256 and 511 octets in length                      inclusive, excluding framing bits but including                      FCS octets."              ::= { tokenRingPStatsEntry 11 }          tokenRingPStatsDataPkts512to1023Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      that were between 512 and 1023 octets in length                      inclusive, excluding framing bits but including                      FCS octets."Waldbusser                                                     [Page 17]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              ::= { tokenRingPStatsEntry 12 }          tokenRingPStatsDataPkts1024to2047Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      that were between 1024 and 2047 octets in length                      inclusive, excluding framing bits but including                      FCS octets."              ::= { tokenRingPStatsEntry 13 }          tokenRingPStatsDataPkts2048to4095Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      that were between 2048 and 4095 octets in length                      inclusive, excluding framing bits but including                      FCS octets."              ::= { tokenRingPStatsEntry 14 }          tokenRingPStatsDataPkts4096to8191Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      that were between 4096 and 8191 octets in length                      inclusive, excluding framing bits but including                      FCS octets."              ::= { tokenRingPStatsEntry 15 }          tokenRingPStatsDataPkts8192to18000Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      that were between 8192 and 18000 octets in length                      inclusive, excluding framing bits but including                      FCS octets."              ::= { tokenRingPStatsEntry 16 }          tokenRingPStatsDataPktsGreaterThan18000Octets OBJECT-TYPE              SYNTAX CounterWaldbusser                                                     [Page 18]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      that were greater than 18000 octets in length,                      excluding framing bits but including FCS octets."              ::= { tokenRingPStatsEntry 17 }          tokenRingPStatsOwner OBJECT-TYPE              SYNTAX OwnerString              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "The entity that configured this entry and is                      therefore using the resources assigned to it."              ::= { tokenRingPStatsEntry 18 }          tokenRingPStatsStatus OBJECT-TYPE              SYNTAX EntryStatus              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "The status of this tokenRingPStats entry."              ::= { tokenRingPStatsEntry 19 }          -- The Token Ring History Groups          -- When an entry in the historyControlTable is created that          -- identifies a token ring interface as its          -- historyControlDataSource, the probe shall create          -- corresponding entries in the tokenRingMLHistoryTable          -- and/or the tokenRingPHistoryTable, depending on which          -- groups it supports.          -- The Token Ring Mac-Layer History Group          --          -- Implementation of this group is optional.          -- Implementation of this group requires implementation of          -- the historyControl group fromRFC1271.          tokenRingMLHistoryTable OBJECT-TYPE              SYNTAX SEQUENCE OF TokenRingMLHistoryEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A list of Mac-Layer Token Ring statisticsWaldbusser                                                     [Page 19]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      entries."              ::= { history 3 }          tokenRingMLHistoryEntry OBJECT-TYPE              SYNTAX TokenRingMLHistoryEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A collection of Mac-Layer statistics kept for a                      particular Token Ring interface."              INDEX { tokenRingMLHistoryIndex,                      tokenRingMLHistorySampleIndex }              ::= { tokenRingMLHistoryTable 1 }          -- As an example, an instance of the          -- tokenRingMLHistoryMacOctets          -- object might be named tokenRingMLHistoryMacOctets.1.27          TokenRingMLHistoryEntry ::= SEQUENCE {              tokenRingMLHistoryIndex                     INTEGER,              tokenRingMLHistorySampleIndex               INTEGER,              tokenRingMLHistoryIntervalStart             TimeTicks,              tokenRingMLHistoryDropEvents                Counter,              tokenRingMLHistoryMacOctets                 Counter,              tokenRingMLHistoryMacPkts                   Counter,              tokenRingMLHistoryRingPurgeEvents           Counter,              tokenRingMLHistoryRingPurgePkts             Counter,              tokenRingMLHistoryBeaconEvents              Counter,              tokenRingMLHistoryBeaconTime                TimeInterval,              tokenRingMLHistoryBeaconPkts                Counter,              tokenRingMLHistoryClaimTokenEvents          Counter,              tokenRingMLHistoryClaimTokenPkts            Counter,              tokenRingMLHistoryNAUNChanges               Counter,              tokenRingMLHistoryLineErrors                Counter,              tokenRingMLHistoryInternalErrors            Counter,              tokenRingMLHistoryBurstErrors               Counter,              tokenRingMLHistoryACErrors                  Counter,              tokenRingMLHistoryAbortErrors               Counter,              tokenRingMLHistoryLostFrameErrors           Counter,              tokenRingMLHistoryCongestionErrors          Counter,              tokenRingMLHistoryFrameCopiedErrors         Counter,              tokenRingMLHistoryFrequencyErrors           Counter,              tokenRingMLHistoryTokenErrors               Counter,              tokenRingMLHistorySoftErrorReports          Counter,              tokenRingMLHistoryRingPollEvents            Counter,              tokenRingMLHistoryActiveStations            INTEGER          }Waldbusser                                                     [Page 20]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          tokenRingMLHistoryIndex OBJECT-TYPE              SYNTAX INTEGER (1..65535)              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The history of which this entry is a part.  The                      history identified by a particular value of this                      index is the same history as identified by the                      same value of historyControlIndex."              ::= { tokenRingMLHistoryEntry 1 }          tokenRingMLHistorySampleIndex OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "An index that uniquely identifies the particular                      Mac-Layer sample this entry represents among all                      Mac-Layer samples associated with the same                      historyControlEntry.  This index starts at 1 and                      increases by one as each new sample is taken."              ::= { tokenRingMLHistoryEntry 2 }          tokenRingMLHistoryIntervalStart OBJECT-TYPE              SYNTAX TimeTicks              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of sysUpTime at the start of the                      interval over which this sample was measured.  If                      the probe keeps track of the time of day, it                      should start the first sample of the history at a                      time such that when the next hour of the day                      begins, a sample is started at that instant.  Note                      that following this rule may require the probe to                      delay collecting the first sample of the history,                      as each sample must be of the same interval.  Also                      note that the sample which is currently being                      collected is not accessible in this table until                      the end of its interval."              ::= { tokenRingMLHistoryEntry 3 }          tokenRingMLHistoryDropEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of events in which packets wereWaldbusser                                                     [Page 21]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      dropped by the probe due to lack of resources                      during this sampling interval.  Note that this                      number is not necessarily the number of packets                      dropped, it is just the number of times this                      condition has been detected."              ::= { tokenRingMLHistoryEntry 4 }          tokenRingMLHistoryMacOctets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of octets of data in MAC packets                      (excluding those that were not good frames)                      received on the network during this sampling                      interval (excluding framing bits but including FCS                      octets)."              ::= { tokenRingMLHistoryEntry 5 }          tokenRingMLHistoryMacPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of MAC packets (excluding those                      that were not good frames) received during this                      sampling interval."              ::= { tokenRingMLHistoryEntry 6 }          tokenRingMLHistoryRingPurgeEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of times that the ring entered                      the ring purge state from normal ring state during                      this sampling interval.  The ring purge state that                      comes from the claim token or beacon state is not                      counted."              ::= { tokenRingMLHistoryEntry 7 }          tokenRingMLHistoryRingPurgePkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of Ring Purge MAC packets                      detected by the probe during this samplingWaldbusser                                                     [Page 22]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      interval."              ::= { tokenRingMLHistoryEntry 8 }          tokenRingMLHistoryBeaconEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of times that the ring enters a                      beaconing state (beaconFrameStreamingState,                      beaconBitStreamingState,                      beaconSetRecoveryModeState, or                      beaconRingSignalLossState) during this sampling                      interval.  Note that a change of the source                      address of the beacon packet does not constitute a                      new beacon event."              ::= { tokenRingMLHistoryEntry 9 }          tokenRingMLHistoryBeaconTime OBJECT-TYPE              SYNTAX TimeInterval              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The amount of time that the ring has been in the                      beaconing state during this sampling interval."              ::= { tokenRingMLHistoryEntry 10 }          tokenRingMLHistoryBeaconPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of beacon MAC packets detected                      by the probe during this sampling interval."              ::= { tokenRingMLHistoryEntry 11 }          tokenRingMLHistoryClaimTokenEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of times that the ring enters                      the claim token state from normal ring state or                      ring purge state during this sampling interval.                      The claim token state that comes from the beacon                      state is not counted."              ::= { tokenRingMLHistoryEntry 12 }Waldbusser                                                     [Page 23]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          tokenRingMLHistoryClaimTokenPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of claim token MAC packets                      detected by the probe during this sampling                      interval."              ::= { tokenRingMLHistoryEntry 13 }          tokenRingMLHistoryNAUNChanges OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of NAUN changes detected by the                      probe during this sampling interval."              ::= { tokenRingMLHistoryEntry 14 }          tokenRingMLHistoryLineErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of line errors reported in error                      reporting packets detected by the probe during                      this sampling interval."              ::= { tokenRingMLHistoryEntry 15 }          tokenRingMLHistoryInternalErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of adapter internal errors                      reported in error reporting packets detected by                      the probe during this sampling interval."              ::= { tokenRingMLHistoryEntry 16 }          tokenRingMLHistoryBurstErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of burst errors reported in                      error reporting packets detected by the probe                      during this sampling interval."              ::= { tokenRingMLHistoryEntry 17 }Waldbusser                                                     [Page 24]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          tokenRingMLHistoryACErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of AC (Address Copied) errors                      reported in error reporting packets detected by                      the probe during this sampling interval."              ::= { tokenRingMLHistoryEntry 18 }          tokenRingMLHistoryAbortErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of abort delimiters reported in                      error reporting packets detected by the probe                      during this sampling interval."              ::= { tokenRingMLHistoryEntry 19 }          tokenRingMLHistoryLostFrameErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of lost frame errors reported in                      error reporting packets detected by the probe                      during this sampling interval."              ::= { tokenRingMLHistoryEntry 20 }          tokenRingMLHistoryCongestionErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of receive congestion errors                      reported in error reporting packets detected by                      the probe during this sampling interval."              ::= { tokenRingMLHistoryEntry 21 }          tokenRingMLHistoryFrameCopiedErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frame copied errors reported                      in error reporting packets detected by the probe                      during this sampling interval."Waldbusser                                                     [Page 25]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              ::= { tokenRingMLHistoryEntry 22 }          tokenRingMLHistoryFrequencyErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frequency errors reported in                      error reporting packets detected by the probe                      during this sampling interval."              ::= { tokenRingMLHistoryEntry 23 }          tokenRingMLHistoryTokenErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of token errors reported in                      error reporting packets detected by the probe                      during this sampling interval."              ::= { tokenRingMLHistoryEntry 24 }          tokenRingMLHistorySoftErrorReports OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of soft error report frames                      detected by the probe during this sampling                      interval."              ::= { tokenRingMLHistoryEntry 25 }          tokenRingMLHistoryRingPollEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of ring poll events detected by                      the probe during this sampling interval."              ::= { tokenRingMLHistoryEntry 26 }          tokenRingMLHistoryActiveStations OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The maximum number of active stations on the ring                      detected by the probe during this samplingWaldbusser                                                     [Page 26]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      interval."              ::= { tokenRingMLHistoryEntry 27}          -- The Token Ring Promiscuous History Group          --          -- Implementation of this group is optional.          -- Implementation of this group requires the implementation          -- of the historyControl group fromRFC1271.          tokenRingPHistoryTable OBJECT-TYPE              SYNTAX SEQUENCE OF TokenRingPHistoryEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A list of promiscuous Token Ring statistics                      entries."              ::= { history 4 }          tokenRingPHistoryEntry OBJECT-TYPE              SYNTAX TokenRingPHistoryEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A collection of promiscuous statistics kept for a                      particular Token Ring interface."              INDEX { tokenRingPHistoryIndex,                      tokenRingPHistorySampleIndex }              ::= { tokenRingPHistoryTable 1 }          -- As an example, an instance of the          -- tokenRingPHistoryDataPkts object          -- might be named tokenRingPHistoryDataPkts.1.27          TokenRingPHistoryEntry ::= SEQUENCE {              tokenRingPHistoryIndex                          INTEGER,              tokenRingPHistorySampleIndex                    INTEGER,              tokenRingPHistoryIntervalStart                  TimeTicks,              tokenRingPHistoryDropEvents                     Counter,              tokenRingPHistoryDataOctets                     Counter,              tokenRingPHistoryDataPkts                       Counter,              tokenRingPHistoryDataBroadcastPkts              Counter,              tokenRingPHistoryDataMulticastPkts              Counter,              tokenRingPHistoryDataPkts18to63Octets           Counter,              tokenRingPHistoryDataPkts64to127Octets          Counter,              tokenRingPHistoryDataPkts128to255Octets         Counter,              tokenRingPHistoryDataPkts256to511Octets         Counter,              tokenRingPHistoryDataPkts512to1023Octets        Counter,Waldbusser                                                     [Page 27]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              tokenRingPHistoryDataPkts1024to2047Octets       Counter,              tokenRingPHistoryDataPkts2048to4095Octets       Counter,              tokenRingPHistoryDataPkts4096to8191Octets       Counter,              tokenRingPHistoryDataPkts8192to18000Octets      Counter,              tokenRingPHistoryDataPktsGreaterThan18000Octets Counter          }          tokenRingPHistoryIndex OBJECT-TYPE              SYNTAX INTEGER (1..65535)              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The history of which this entry is a part.  The                      history identified by a particular value of this                      index is the same history as identified by the                      same value of historyControlIndex."              ::= { tokenRingPHistoryEntry 1 }          tokenRingPHistorySampleIndex OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "An index that uniquely identifies the particular                      sample this entry represents among all samples                      associated with the same historyControlEntry.                      This index starts at 1 and increases by one as                      each new sample is taken."              ::= { tokenRingPHistoryEntry 2 }          tokenRingPHistoryIntervalStart OBJECT-TYPE              SYNTAX TimeTicks              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of sysUpTime at the start of the                      interval over which this sample was measured.  If                      the probe keeps track of the time of day, it                      should start the first sample of the history at a                      time such that when the next hour of the day                      begins, a sample is started at that instant.  Note                      that following this rule may require the probe to                      delay collecting the first sample of the history,                      as each sample must be of the same interval.  Also                      note that the sample which is currently being                      collected is not accessible in this table until                      the end of its interval."              ::= { tokenRingPHistoryEntry 3 }Waldbusser                                                     [Page 28]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          tokenRingPHistoryDropEvents OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of events in which packets were                      dropped by the probe due to lack of resources                      during this sampling interval.  Note that this                      number is not necessarily the number of packets                      dropped, it is just the number of times this                      condition has been detected."              ::= { tokenRingPHistoryEntry 4 }          tokenRingPHistoryDataOctets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of octets of data in good frames                      received on the network (excluding framing bits                      but including FCS octets) in non-MAC packets                      during this sampling interval."              ::= { tokenRingPHistoryEntry 5 }          tokenRingPHistoryDataPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval."              ::= { tokenRingPHistoryEntry 6 }          tokenRingPHistoryDataBroadcastPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were directed                      to an LLC broadcast address (0xFFFFFFFFFFFF or                      0xC000FFFFFFFF)."              ::= { tokenRingPHistoryEntry 7 }          tokenRingPHistoryDataMulticastPkts OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatoryWaldbusser                                                     [Page 29]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were directed                      to a local or global multicast or functional                      address.  Note that this number does not include                      packets directed to the broadcast address."              ::= { tokenRingPHistoryEntry 8 }          tokenRingPHistoryDataPkts18to63Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were between 18                      and 63 octets in length inclusive, excluding                      framing bits but including FCS octets."              ::= { tokenRingPHistoryEntry 9 }          tokenRingPHistoryDataPkts64to127Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were between 64                      and 127 octets in length inclusive, excluding                      framing bits but including FCS octets."              ::= { tokenRingPHistoryEntry 10 }          tokenRingPHistoryDataPkts128to255Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were between                      128 and 255 octets in length inclusive, excluding                      framing bits but including FCS octets."              ::= { tokenRingPHistoryEntry 11 }          tokenRingPHistoryDataPkts256to511Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were betweenWaldbusser                                                     [Page 30]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      256 and 511 octets in length inclusive, excluding                      framing bits but including FCS octets."              ::= { tokenRingPHistoryEntry 12 }          tokenRingPHistoryDataPkts512to1023Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were between                      512 and 1023 octets in length inclusive, excluding                      framing bits but including FCS octets."              ::= { tokenRingPHistoryEntry 13 }          tokenRingPHistoryDataPkts1024to2047Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were between                      1024 and 2047 octets in length inclusive,                      excluding framing bits but including FCS octets."              ::= { tokenRingPHistoryEntry 14 }          tokenRingPHistoryDataPkts2048to4095Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were between                      2048 and 4095 octets in length inclusive,                      excluding framing bits but including FCS octets."              ::= { tokenRingPHistoryEntry 15 }          tokenRingPHistoryDataPkts4096to8191Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were between                      4096 and 8191 octets in length inclusive,                      excluding framing bits but including FCS octets."              ::= { tokenRingPHistoryEntry 16 }Waldbusser                                                     [Page 31]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          tokenRingPHistoryDataPkts8192to18000Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were between                      8192 and 18000 octets in length inclusive,                      excluding framing bits but including FCS octets."              ::= { tokenRingPHistoryEntry 17 }          tokenRingPHistoryDataPktsGreaterThan18000Octets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good non-MAC frames received                      during this sampling interval that were greater                      than 18000 octets in length, excluding framing                      bits but including FCS octets."              ::= { tokenRingPHistoryEntry 18 }          -- The Token Ring Ring Station Group          --          -- Implementation of this group is optional          --          -- Although the ringStationTable stores entries only for          -- those stations physically attached to the local ring and          -- the number of stations attached to a ring is limited, a          -- probe may still need to free resources when resources          -- grow tight.  In such a situation, it is suggested that          -- the probe free only inactive stations, and to          -- first free the stations that have been inactive for the          -- longest time.          ringStationControlTable OBJECT-TYPE              SYNTAX SEQUENCE OF RingStationControlEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A list of ringStation table control entries."              ::= { tokenRing 1 }          ringStationControlEntry OBJECT-TYPE              SYNTAX RingStationControlEntry              ACCESS not-accessible              STATUS mandatoryWaldbusser                                                     [Page 32]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              DESCRIPTION                      "A list of parameters that set up the discovery of                      stations on a particular interface and the                      collection of statistics about these stations."              INDEX { ringStationControlIfIndex }              ::= { ringStationControlTable 1 }          -- As an example, an instance of the          -- ringStationControlIfIndex object          -- might be named ringStationControlIfIndex.1          RingStationControlEntry ::= SEQUENCE {              ringStationControlIfIndex          INTEGER,              ringStationControlTableSize        INTEGER,              ringStationControlActiveStations   INTEGER,              ringStationControlRingState        INTEGER,              ringStationControlBeaconSender     MacAddress,              ringStationControlBeaconNAUN       MacAddress,              ringStationControlActiveMonitor    MacAddress,              ringStationControlOrderChanges     Counter,              ringStationControlOwner            OwnerString,              ringStationControlStatus           EntryStatus          }          ringStationControlIfIndex OBJECT-TYPE              SYNTAX INTEGER (1..65535)              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of this object uniquely identifies the                      interface on this remote network monitoring device                      from which ringStation data is collected.  The                      interface identified by a particular value of this                      object is the same interface as identified by the                      same value of the ifIndex object, defined in MIB-                      II [3]."              ::= { ringStationControlEntry 1 }          ringStationControlTableSize OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The number of ringStationEntries in the                      ringStationTable associated with this                      ringStationControlEntry."              ::= { ringStationControlEntry 2 }Waldbusser                                                     [Page 33]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          ringStationControlActiveStations OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The number of active ringStationEntries in the                      ringStationTable associated with this                      ringStationControlEntry."              ::= { ringStationControlEntry 3 }          ringStationControlRingState OBJECT-TYPE              SYNTAX INTEGER {                  normalOperation(1),                  ringPurgeState(2),                  claimTokenState(3),                  beaconFrameStreamingState(4),                  beaconBitStreamingState(5),                  beaconRingSignalLossState(6),                  beaconSetRecoveryModeState(7)              }              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The current status of this ring."              ::= { ringStationControlEntry 4 }          ringStationControlBeaconSender OBJECT-TYPE              SYNTAX MacAddress              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The address of the sender of the last beacon                      frame received by the probe on this ring.  If no                      beacon frames have been received, this object                      shall be equal to six octets of zero."              ::= { ringStationControlEntry 5 }          ringStationControlBeaconNAUN OBJECT-TYPE              SYNTAX MacAddress              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The address of the NAUN in the last beacon frame                      received by the probe on this ring.  If no beacon                      frames have been received, this object shall be                      equal to six octets of zero."              ::= { ringStationControlEntry 6 }Waldbusser                                                     [Page 34]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          ringStationControlActiveMonitor OBJECT-TYPE              SYNTAX MacAddress              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The address of the Active Monitor on this                      segment.  If this address is unknown, this object                      shall be equal to six octets of zero."              ::= { ringStationControlEntry 7 }          ringStationControlOrderChanges OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The number of add and delete events in the                      ringStationOrderTable optionally associated with                      this ringStationControlEntry."              ::= { ringStationControlEntry 8 }          ringStationControlOwner OBJECT-TYPE              SYNTAX OwnerString              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "The entity that configured this entry and is                      therefore using the resources assigned to it."              ::= { ringStationControlEntry 9 }          ringStationControlStatus OBJECT-TYPE              SYNTAX EntryStatus              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "The status of this ringStationControl entry.                      If this object is not equal to valid(1), all                      associated entries in the ringStationTable shall                      be deleted by the agent."              ::= { ringStationControlEntry 10 }          ringStationTable OBJECT-TYPE              SYNTAX SEQUENCE OF RingStationEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A list of ring station entries.  An entry will                      exist for each station that is now or hasWaldbusser                                                     [Page 35]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      previously been detected as physically present on                      this ring."               ::= { tokenRing 2 }          ringStationEntry OBJECT-TYPE              SYNTAX RingStationEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A collection of statistics for a particular                      station that has been discovered on a ring                      monitored by this device."              INDEX { ringStationIfIndex, ringStationMacAddress }              ::= { ringStationTable 1 }          -- As an example, an instance of the          -- ringStationStationStatus object might be named          -- ringStationStationStatus.1.16.0.90.0.64.131          RingStationEntry ::= SEQUENCE {              ringStationIfIndex                INTEGER,              ringStationMacAddress             MacAddress,              ringStationLastNAUN               MacAddress,              ringStationStationStatus          INTEGER,              ringStationLastEnterTime          TimeTicks,              ringStationLastExitTime           TimeTicks,              ringStationDuplicateAddresses     Counter,              ringStationInLineErrors           Counter,              ringStationOutLineErrors          Counter,              ringStationInternalErrors         Counter,              ringStationInBurstErrors          Counter,              ringStationOutBurstErrors         Counter,              ringStationACErrors               Counter,              ringStationAbortErrors            Counter,              ringStationLostFrameErrors        Counter,              ringStationCongestionErrors       Counter,              ringStationFrameCopiedErrors      Counter,              ringStationFrequencyErrors        Counter,              ringStationTokenErrors            Counter,              ringStationInBeaconErrors         Counter,              ringStationOutBeaconErrors        Counter,              ringStationInsertions             Counter          }          ringStationIfIndex OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatoryWaldbusser                                                     [Page 36]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              DESCRIPTION                      "The value of this object uniquely identifies the                      interface on this remote network monitoring device                      on which this station was detected.  The interface                      identified by a particular value of this object is                      the same interface as identified by the same value                      of the ifIndex object, defined in MIB-II [3]."              ::= { ringStationEntry 1 }          ringStationMacAddress OBJECT-TYPE              SYNTAX MacAddress              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The physical address of this station."              ::= { ringStationEntry 2 }          ringStationLastNAUN OBJECT-TYPE              SYNTAX MacAddress              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The physical address of last known NAUN of this                      station."              ::= { ringStationEntry 3 }          ringStationStationStatus OBJECT-TYPE              SYNTAX INTEGER {                  active(1),    -- actively participating in ring poll.                  inactive(2),  -- Not participating in ring poll                  forcedRemoval(3) -- Forced off ring by network                                   -- management.              }              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The status of this station on the ring."              ::= { ringStationEntry 4 }          ringStationLastEnterTime OBJECT-TYPE              SYNTAX TimeTicks              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of sysUpTime at the time this station                      last entered the ring.  If the time is unknown,                      this value shall be zero."              ::= { ringStationEntry 5 }Waldbusser                                                     [Page 37]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          ringStationLastExitTime OBJECT-TYPE              SYNTAX TimeTicks              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of sysUpTime at the time the probe                      detected that this station last exited the ring.                      If the time is unknown, this value shall be zero."              ::= { ringStationEntry 6 }          ringStationDuplicateAddresses OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The number of times this station experienced a                      duplicate address error."              ::= { ringStationEntry 7 }          ringStationInLineErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of line errors reported by this                      station in error reporting packets detected by the                      probe."              ::= { ringStationEntry 8 }          ringStationOutLineErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of line errors reported in error                      reporting packets sent by the nearest active                      downstream neighbor of this station and detected                      by the probe."              ::= { ringStationEntry 9 }          ringStationInternalErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of adapter internal errors                      reported by this station in error reporting                      packets detected by the probe."Waldbusser                                                     [Page 38]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              ::= { ringStationEntry 10 }          ringStationInBurstErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of burst errors reported by this                      station in error reporting packets detected by the                      probe."              ::= { ringStationEntry 11 }          ringStationOutBurstErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of burst errors reported in                      error reporting packets sent by the nearest active                      downstream neighbor of this station and detected                      by the probe."              ::= { ringStationEntry 12 }          ringStationACErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of AC (Address Copied) errors                      reported in error reporting packets sent by the                      nearest active downstream neighbor of this station                      and detected by the probe."              ::= { ringStationEntry 13 }          ringStationAbortErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of abort delimiters reported by                      this station in error reporting packets detected                      by the probe."              ::= { ringStationEntry 14 }          ringStationLostFrameErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatoryWaldbusser                                                     [Page 39]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              DESCRIPTION                      "The total number of lost frame errors reported by                      this station in error reporting packets detected                      by the probe."              ::= { ringStationEntry 15 }          ringStationCongestionErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of receive congestion errors                      reported by this station in error reporting                      packets detected by the probe."              ::= { ringStationEntry 16 }          ringStationFrameCopiedErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frame copied errors reported                      by this station in error reporting packets                      detected by the probe."              ::= { ringStationEntry 17 }          ringStationFrequencyErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frequency errors reported by                      this station in error reporting packets detected                      by the probe."              ::= { ringStationEntry 18 }          ringStationTokenErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of token errors reported by this                      station in error reporting frames detected by the                      probe."              ::= { ringStationEntry 19 }          ringStationInBeaconErrors OBJECT-TYPE              SYNTAX CounterWaldbusser                                                     [Page 40]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of beacon frames sent by this                      station and detected by the probe."              ::= { ringStationEntry 20 }          ringStationOutBeaconErrors OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of beacon frames detected by the                      probe that name this station as the NAUN."              ::= { ringStationEntry 21 }          ringStationInsertions OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The number of times the probe detected this                      station inserting onto the ring."              ::= { ringStationEntry 22 }          -- The Token Ring Ring Station Order Group          --          -- Implementation of this group is optional          --          -- The ringStationOrderTable          ringStationOrderTable OBJECT-TYPE              SYNTAX SEQUENCE OF RingStationOrderEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A list of ring station entries for stations in                      the ring poll, ordered by their ring-order."              ::= { tokenRing 3 }          ringStationOrderEntry OBJECT-TYPE              SYNTAX RingStationOrderEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A collection of statistics for a particularWaldbusser                                                     [Page 41]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      station that is active on a ring monitored by this                      device.  This table will contain information for                      every interface that has a                      ringStationControlStatus equal to valid."              INDEX { ringStationOrderIfIndex,                      ringStationOrderOrderIndex }              ::= { ringStationOrderTable 1 }          -- As an example, an instance of the          -- ringStationOrderMacAddress object might be named          -- ringStationOrderMacAddress.1.14          RingStationOrderEntry ::= SEQUENCE {              ringStationOrderIfIndex             INTEGER,              ringStationOrderOrderIndex          INTEGER,              ringStationOrderMacAddress          MacAddress          }          ringStationOrderIfIndex OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of this object uniquely identifies the                      interface on this remote network monitoring device                      on which this station was detected.  The interface                      identified by a particular value of this object is                      the same interface as identified by the same value                      of the ifIndex object, defined in MIB-II [3]."              ::= { ringStationOrderEntry 1 }          ringStationOrderOrderIndex OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "This index denotes the location of this station                      with respect to other stations on the ring.  This                      index is one more than the number of hops                      downstream that this station is from the rmon                      probe.  The rmon probe itself gets the value one."              ::= { ringStationOrderEntry 2 }          ringStationOrderMacAddress OBJECT-TYPE              SYNTAX MacAddress              ACCESS read-only              STATUS mandatory              DESCRIPTIONWaldbusser                                                     [Page 42]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      "The physical address of this station."              ::= { ringStationOrderEntry 3 }          -- The Token Ring Ring Station Config Group          --          -- Implementation of this group is optional.          -- The ring station config group manages token ring nodes          -- through active means.          ringStationConfigControlTable OBJECT-TYPE              SYNTAX SEQUENCE OF RingStationConfigControlEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A list of ring station configuration control                      entries."              ::= { tokenRing 4 }          ringStationConfigControlEntry OBJECT-TYPE              SYNTAX RingStationConfigControlEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "This entry controls active management of stations                      by the probe.  One entry exists in this table for                      each active station in the ringStationTable."              INDEX { ringStationConfigControlIfIndex,                      ringStationConfigControlMacAddress }              ::= { ringStationConfigControlTable 1 }          -- As an example, an instance of the          -- ringStationConfigControlRemove object might be named          -- ringStationConfigControlRemove.1.16.0.90.0.64.131          RingStationConfigControlEntry ::= SEQUENCE {              ringStationConfigControlIfIndex         INTEGER,              ringStationConfigControlMacAddress      MacAddress,              ringStationConfigControlRemove          INTEGER,              ringStationConfigControlUpdateStats     INTEGER          }          ringStationConfigControlIfIndex OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of this object uniquely identifies theWaldbusser                                                     [Page 43]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      interface on this remote network monitoring device                      on which this station was detected.  The interface                      identified by a particular value of this object is                      the same interface as identified by the same value                      of the ifIndex object, defined in MIB-II [3]."              ::= { ringStationConfigControlEntry 1 }          ringStationConfigControlMacAddress OBJECT-TYPE              SYNTAX MacAddress              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The physical address of this station."              ::= { ringStationConfigControlEntry 2 }          ringStationConfigControlRemove OBJECT-TYPE              SYNTAX INTEGER {                  stable(1),                  removing(2)              }              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "Setting this object to `removing(2)' causes a                      Remove Station MAC frame to be sent.  The agent                      will set this object to `stable(1)' after                      processing the request."              ::= { ringStationConfigControlEntry 3 }          ringStationConfigControlUpdateStats OBJECT-TYPE              SYNTAX INTEGER {                  stable(1),                  updating(2)              }              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "Setting this object to `updating(2)' causes the                      configuration information associate with this                      entry to be updated.  The agent will set this                      object to `stable(1)' after processing the                      request."              ::= { ringStationConfigControlEntry 4 }Waldbusser                                                     [Page 44]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          --  The ringStationConfig Table          --          --  Entries exist in this table after an active          --  configuration query has completed successfully for          --  a station.  This query is initiated by the associated          --  ringStationConfigControlUpdateStats variable.          ringStationConfigTable OBJECT-TYPE              SYNTAX SEQUENCE OF RingStationConfigEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A list of configuration entries for stations on a                      ring monitored by this probe."              ::= { tokenRing 5 }          ringStationConfigEntry OBJECT-TYPE              SYNTAX RingStationConfigEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A collection of statistics for a particular                      station that has been discovered on a ring                      monitored by this probe."              INDEX { ringStationConfigIfIndex,                      ringStationConfigMacAddress }              ::= { ringStationConfigTable 1 }          -- As an example, an instance of the          -- ringStationConfigLocation object might be named          -- ringStationConfigLocation.1.16.0.90.0.64.131          RingStationConfigEntry ::= SEQUENCE {              ringStationConfigIfIndex            INTEGER,              ringStationConfigMacAddress         MacAddress,              ringStationConfigUpdateTime         TimeTicks,              ringStationConfigLocation           OCTET STRING,              ringStationConfigMicrocode          OCTET STRING,              ringStationConfigGroupAddress       OCTET STRING,              ringStationConfigFunctionalAddress  OCTET STRING          }          ringStationConfigIfIndex OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of this object uniquely identifies theWaldbusser                                                     [Page 45]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      interface on this remote network monitoring device                      on which this station was detected.  The interface                      identified by a particular value of this object is                      the same interface as identified by the same value                      of the ifIndex object, defined in MIB-II [3]."              ::= { ringStationConfigEntry 1 }          ringStationConfigMacAddress OBJECT-TYPE              SYNTAX MacAddress              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The physical address of this station."              ::= { ringStationConfigEntry 2 }          ringStationConfigUpdateTime OBJECT-TYPE              SYNTAX TimeTicks              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of sysUpTime at the time this                      configuration information was last updated                      (completely)."              ::= { ringStationConfigEntry 3 }          ringStationConfigLocation OBJECT-TYPE              SYNTAX OCTET STRING (SIZE(4))              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The assigned physical location of this station."              ::= { ringStationConfigEntry 4 }          ringStationConfigMicrocode OBJECT-TYPE              SYNTAX OCTET STRING (SIZE(10))              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The microcode EC level of this station."              ::= { ringStationConfigEntry 5 }          ringStationConfigGroupAddress OBJECT-TYPE              SYNTAX OCTET STRING (SIZE(4))              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The low-order 4 octets of the group address                      recognized by this station."Waldbusser                                                     [Page 46]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              ::= { ringStationConfigEntry 6 }          ringStationConfigFunctionalAddress OBJECT-TYPE              SYNTAX OCTET STRING (SIZE(4))              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "the functional addresses recognized by this                      station."              ::= { ringStationConfigEntry 7 }          -- The Token Ring Source Routing group          --          -- Implementation of this group is optional.          -- The data in this group is collected from the source          -- routing information potentially present in any token ring          -- packet.  This information will be valid only in a pure          -- source route bridging environment.  In a transparent          -- bridging or a mixed bridging environment, this          -- information may not be accurate.          sourceRoutingStatsTable OBJECT-TYPE              SYNTAX SEQUENCE OF SourceRoutingStatsEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A list of source routing statistics entries."              ::= { tokenRing 6 }          sourceRoutingStatsEntry OBJECT-TYPE              SYNTAX SourceRoutingStatsEntry              ACCESS not-accessible              STATUS mandatory              DESCRIPTION                      "A collection of source routing statistics kept                      for a particular Token Ring interface."              INDEX { sourceRoutingStatsIfIndex }              ::= { sourceRoutingStatsTable 1 }          -- As an example, an instance of the          -- sourceRoutingStatsInFrames object might be named          -- sourceRoutingStatsInFrames.1          SourceRoutingStatsEntry ::= SEQUENCE {              sourceRoutingStatsIfIndex                     INTEGER,              sourceRoutingStatsRingNumber                  INTEGER,              sourceRoutingStatsInFrames                    Counter,Waldbusser                                                     [Page 47]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                  -- in to our net              sourceRoutingStatsOutFrames                   Counter,                  -- out from our net              sourceRoutingStatsThroughFrames               Counter,                  -- through our net              sourceRoutingStatsAllRoutesBroadcastFrames    Counter,              sourceRoutingStatsSingleRouteBroadcastFrames  Counter,              sourceRoutingStatsInOctets                    Counter,              sourceRoutingStatsOutOctets                   Counter,              sourceRoutingStatsThroughOctets               Counter,              sourceRoutingStatsAllRoutesBroadcastOctets    Counter,              sourceRoutingStatsSingleRoutesBroadcastOctets Counter,              sourceRoutingStatsLocalLLCFrames              Counter,              sourceRoutingStats1HopFrames                  Counter,              sourceRoutingStats2HopsFrames                 Counter,              sourceRoutingStats3HopsFrames                 Counter,              sourceRoutingStats4HopsFrames                 Counter,              sourceRoutingStats5HopsFrames                 Counter,              sourceRoutingStats6HopsFrames                 Counter,              sourceRoutingStats7HopsFrames                 Counter,              sourceRoutingStats8HopsFrames                 Counter,              sourceRoutingStatsMoreThan8HopsFrames         Counter,              sourceRoutingStatsOwner                       OwnerString,              sourceRoutingStatsStatus                      EntryStatus          }          sourceRoutingStatsIfIndex OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The value of this object uniquely identifies the                      interface on this remote network monitoring device                      on which source routing statistics will be                      detected.  The interface identified by a                      particular value of this object is the same                      interface as identified by the same value of the                      ifIndex object, defined in MIB-II [3]."              ::= { sourceRoutingStatsEntry 1 }          sourceRoutingStatsRingNumber OBJECT-TYPE              SYNTAX INTEGER              ACCESS read-only              STATUS mandatory              DESCRIPTIONWaldbusser                                                     [Page 48]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      "The ring number of the ring monitored by this                      entry.  When any object in this entry is created,                      the probe will attempt to discover the ring                      number.  Only after the ring number is discovered                      will this object be created.  After creating an                      object in this entry, the management station                      should poll this object to detect when it is                      created.  Only after this object is created can                      the management station set the                      sourceRoutingStatsStatus entry to valid(1)."              ::= { sourceRoutingStatsEntry 2 }          sourceRoutingStatsInFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The count of frames sent into this ring from                      another ring."              ::= { sourceRoutingStatsEntry 3 }          sourceRoutingStatsOutFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The count of frames sent from this ring to                      another ring."              ::= { sourceRoutingStatsEntry 4 }          sourceRoutingStatsThroughFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The count of frames sent from another ring,                      through this ring, to another ring."              ::= { sourceRoutingStatsEntry 5 }          sourceRoutingStatsAllRoutesBroadcastFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good frames received that                      were All Routes Broadcast."              ::= { sourceRoutingStatsEntry 6 }Waldbusser                                                     [Page 49]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993          sourceRoutingStatsSingleRouteBroadcastFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of good frames received that                      were Single Route Broadcast."              ::= { sourceRoutingStatsEntry 7 }          sourceRoutingStatsInOctets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The count of octets in good frames sent into this                      ring from another ring."              ::= { sourceRoutingStatsEntry 8 }          sourceRoutingStatsOutOctets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The count of octets in good frames sent from this                      ring to another ring."              ::= { sourceRoutingStatsEntry 9 }          sourceRoutingStatsThroughOctets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The count of octets in good frames sent another                      ring, through this ring, to another ring."              ::= { sourceRoutingStatsEntry 10 }          sourceRoutingStatsAllRoutesBroadcastOctets OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of octets in good frames                      received that were All Routes Broadcast."              ::= { sourceRoutingStatsEntry 11 }          sourceRoutingStatsSingleRoutesBroadcastOctets OBJECT-TYPE              SYNTAX Counter              ACCESS read-onlyWaldbusser                                                     [Page 50]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              STATUS mandatory              DESCRIPTION                      "The total number of octets in good frames                      received that were Single Route Broadcast."              ::= { sourceRoutingStatsEntry 12 }          sourceRoutingStatsLocalLLCFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frames received who had no                      RIF field (or had a RIF field that only included                      the local ring's number) and were not All Route                      Broadcast Frames."              ::= { sourceRoutingStatsEntry 13 }          sourceRoutingStats1HopFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frames received whose route                      had 1 hop, were not All Route Broadcast Frames,                      and whose source or destination were on this ring                      (i.e. frames that had a RIF field and had this                      ring number in the first or last entry of the RIF                      field)."              ::= { sourceRoutingStatsEntry 14 }          sourceRoutingStats2HopsFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frames received whose route                      had 2 hops, were not All Route Broadcast Frames,                      and whose source or destination were on this ring                      (i.e. frames that had a RIF field and had this                      ring number in the first or last entry of the RIF                      field)."              ::= { sourceRoutingStatsEntry 15 }          sourceRoutingStats3HopsFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTIONWaldbusser                                                     [Page 51]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993                      "The total number of frames received whose route                      had 3 hops, were not All Route Broadcast Frames,                      and whose source or destination were on this ring                      (i.e. frames that had a RIF field and had this                      ring number in the first or last entry of the RIF                      field)."              ::= { sourceRoutingStatsEntry 16 }          sourceRoutingStats4HopsFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frames received whose route                      had 4 hops, were not All Route Broadcast Frames,                      and whose source or destination were on this ring                      (i.e. frames that had a RIF field and had this                      ring number in the first or last entry of the RIF                      field)."              ::= { sourceRoutingStatsEntry 17 }          sourceRoutingStats5HopsFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frames received whose route                      had 5 hops, were not All Route Broadcast Frames,                      and whose source or destination were on this ring                      (i.e. frames that had a RIF field and had this                      ring number in the first or last entry of the RIF                      field)."              ::= { sourceRoutingStatsEntry 18 }          sourceRoutingStats6HopsFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frames received whose route                      had 6 hops, were not All Route Broadcast Frames,                      and whose source or destination were on this ring                      (i.e. frames that had a RIF field and had this                      ring number in the first or last entry of the RIF                      field)."              ::= { sourceRoutingStatsEntry 19 }          sourceRoutingStats7HopsFrames OBJECT-TYPEWaldbusser                                                     [Page 52]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frames received whose route                      had 7 hops, were not All Route Broadcast Frames,                      and whose source or destination were on this ring                      (i.e. frames that had a RIF field and had this                      ring number in the first or last entry of the RIF                      field)."              ::= { sourceRoutingStatsEntry 20 }          sourceRoutingStats8HopsFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frames received whose route                      had 8 hops, were not All Route Broadcast Frames,                      and whose source or destination were on this ring                      (i.e. frames that had a RIF field and had this                      ring number in the first or last entry of the RIF                      field)."              ::= { sourceRoutingStatsEntry 21 }          sourceRoutingStatsMoreThan8HopsFrames OBJECT-TYPE              SYNTAX Counter              ACCESS read-only              STATUS mandatory              DESCRIPTION                      "The total number of frames received whose route                      had more than 8 hops, were not All Route Broadcast                      Frames, and whose source or destination were on                      this ring (i.e. frames that had a RIF field and                      had this ring number in the first or last entry of                      the RIF field)."              ::= { sourceRoutingStatsEntry 22 }          sourceRoutingStatsOwner OBJECT-TYPE              SYNTAX OwnerString              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "The entity that configured this entry and is                      therefore using the resources assigned to it."              ::= { sourceRoutingStatsEntry 23 }          sourceRoutingStatsStatus OBJECT-TYPEWaldbusser                                                     [Page 53]

RFC 1513           Token Ring Extensions to RMON MIB      September 1993              SYNTAX EntryStatus              ACCESS read-write              STATUS mandatory              DESCRIPTION                      "The status of this sourceRoutingStats entry."              ::= { sourceRoutingStatsEntry 24 }          END6.  References   [1]  Rose M., and K. McCloghrie, "Structure and Identification of        Management Information for TCP/IP-based internets", STD 16,RFC1155, Performance Systems International, Hughes LAN Systems, May        1990.   [2]  Rose, M., and K. McCloghrie, Editors, "Concise MIB Definitions",        STD 16,RFC 1212, Performance Systems International, Hughes LAN        Systems, March 1991.   [3]  McCloghrie K., and M. Rose, Editors, "Management Information        Base for Network Management of TCP/IP-based internets", STD 17,RFC 1213, Performance Systems International, March 1991.   [4]  Case, J., Fedor, M., Schoffstall, M., and J. Davin, "Simple        Network Management Protocol", STD 15,RFC 1157, SNMP Research,        Performance Systems International, Performance Systems        International, MIT Laboratory for Computer Science, May 1990.   [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]  Waldbusser, S., "Remote Network Monitoring Management        Information Base",RFC 1271, CMU, November 1991.   [7]  Token Ring Access Method and Physical Layer Specifications,        Institute of Electrical and Electronic Engineers, IEEE Standard        802.5-1989, 1989.Waldbusser                                                     [Page 54]

RFC 1513           Token Ring Extensions to RMON MIB      September 19937.  Acknowledgments   This document was produced by the Token Ring RMON MIB working group.   In addition, the author gratefully acknowledges the comments of the   following individuals:         Andrew Bierman      Synoptics         Steve Bostock       Novell         Gary Ellis          Hewlett-Packard         Mike Erlinger       Aerospace Corporation         Robert Graham       Protools         Stephen Grau        Novell         Carl Hayssen        Ungermann-Bass         Jeff Hughes         Hewlett-Packard         Robin Iddon         AXON Networks         Ken Kutzler         Synoptics         To-Choi Lau         Novell         Carl Madison        Startek         Keith McCloghrie    Hughes Lan Systems         Rohit Mital         Protools         Keith Schomburg     IBM         Marshall Rose       Dover Beach Consulting         Mark Therieau       Microcom         Mark van der Pol    Hughes Lan Systems         Brian Wyld          Consultant8.  Security Considerations   Security issues are not discussed in this memo.9.  Author's Address   Steven Waldbusser   Carnegie Mellon University   4910 Forbes Ave.   Pittsburgh, PA 15213   Phone: (412) 268-6628   EMail: waldbusser@cmu.eduWaldbusser                                                     [Page 55]

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