RFC 1595: Definitions of Managed Objects for the SONET/SDH Interface Type

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Definitions of Managed Objects for the SONET/SDH Interface Type

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Show other RFCs mentioning RFC 1595 Network Working Group T. Brown Request for Comments: 1595 K. Tesink Category: Standards Track Editors Bell Communications Research March 1994 Definitions of Managed Objects for the SONET/SDH Interface Type Status of this Memo This document 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" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Abstract This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in TCP/IP-based internets. In particular, it defines objects for managing Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) objects. This document is a companion document with Definitions of Managed Objects for the DS1/E1 and DS3/E3 Interface Types, RFC 1406 [14] and RFC 1407 [13]. This memo specifies a MIB module in a manner that is both compliant to the SNMPv2 SMI, and semantically identical to the peer SNMPv1 definitions. Table of Contents 1. The SNMPv2 Network Management Framework ............... 2 2. Objects ............................................... 3 2.1 Format of Definitions ................................ 3 3. Overview .............................................. 4 3.1 Use of the ifTable ................................... 4 3.2 Use of ifTable for SONET/SDH Medium/Section/Line Layer ................................................ 6 3.3 Use of ifTable for SONET/SDH Paths. .................. 7 3.4 Use of ifTable for SONET/SDH VTs/VCs ................. 8 3.5 SONET/SDH Terminology ................................ 9 3.6 Values for x for the Section, Line, Path, and VT Layers ............................................... 16 4. Object Definitions .................................... 17 4.1 The SONET/SDH Medium Group ........................... 18 AToM MIB Working Group PAGE 1 RFC 1595 SONET/SDH Objects March 1994 4.2 The SONET/SDH Section Group .......................... 21 4.2.1 The SONET/SDH Section Current Group ................ 21 4.2.2 The SONET/SDH Section Interval Group ............... 23 4.3 The SONET/SDH Line Group ............................. 25 4.3.1 The SONET/SDH Line Current Group ................... 25 4.3.2 The SONET/SDH Line Interval Group .................. 27 4.4 The SONET/SDH Far End Line Group ..................... 30 4.4.1 The SONET/SDH Far End Line Current Group ........... 30 4.4.2 The SONET/SDH Far End Line Interval Group .......... 32 4.5 The SONET/SDH Path Group ............................. 34 4.5.1 The SONET/SDH Path Current Group ................... 34 4.5.2 The SONET/SDH Path Interval Group .................. 37 4.6 The SONET/SDH Far End Path Group ..................... 39 4.6.1 The SONET/SDH Far End Path Current Group ........... 39 4.6.2 The SONET/SDH Far End Path Interval Group .......... 41 4.7 The SONET/SDH Virtual Tributary Group ................ 43 4.7.1 The SONET/SDH VT Current Group ..................... 43 4.7.2 The SONET/SDH VT Interval Group .................... 46 4.8 The SONET/SDH Far End VT Group ....................... 48 4.8.1 The SONET/SDH Far End VT Current Group ............. 48 4.8.2 The SONET/SDH Far End VT Interval Group ............ 50 4.9 Conformance Information .............................. 52 4.10 Compliance Statements ............................... 52 5. Acknowledgments ....................................... 56 6. References ............................................ 57 7. Security Considerations ............................... 59 8. Authors' Addresses .................................... 59 1. The SNMPv2 Network Management Framework The SNMPv2 Network Management Framework consists of four major components. They are: RFC 1442 [1] which defines the SMI, the mechanisms used for describing and naming objects for the purpose of management. STD 17, RFC 1213 [6] defines MIB-II, the core set of managed objects for the Internet suite of protocols. Reference [12] defines the evolution of the Interfaces Group of MIB II in terms of extensions and precise applications of the objects. RFC 1445 [4] which defines the administrative and other architectural aspects of the framework. RFC 1448 [5] which defines the protocol used for network access to managed objects. AToM MIB Working Group PAGE 2 RFC 1595 SONET/SDH Objects March 1994 The Framework permits new objects to be defined for the purpose of experimentation and evaluation. This specification makes also use of: RFC 1443 [2] which defines textual conventions for the specification of managed objects. RFC 1444 [3] which defines conformance statements for the specification of managed objects. 2. Objects Managed objects are accessed via a virtual information store, termed the Management Information Base or MIB. Objects in the MIB are defined using the subset of Abstract Syntax Notation One (ASN.1) [7] defined in the SMI. In particular, each object has a name, a syntax, and an encoding. The name is an object identifier, an administratively assigned name, which specifies an object type. The object type together with an object instance serves to uniquely identify a specific instantiation of the object. For human convenience, we often use a textual string, termed the OBJECT DESCRIPTOR, to also refer to the object type. The syntax of an object type defines the abstract data structure corresponding to that object type. The ASN.1 language is used for this purpose. However, the SMI RFC 1442 purposely restricts the ASN.1 constructs which may be used. These restrictions are explicitly made for simplicity. The encoding of an object type is simply how that object type is represented using the object type's syntax. Implicitly tied to the notion of an object type's syntax and encoding is how the object type is represented when being transmitted on the network. The SMI specifies the use of the basic encoding rules of ASN.1 [8], subject to the additional requirements imposed by the SNMP. 2.1. Format of Definitions Section 4 contains contains the specification of all object types contained in this MIB module. The object types are defined using the conventions defined in the SMI, as amended by the extensions specified in the SNMPv2 SMI. AToM MIB Working Group PAGE 3 RFC 1595 SONET/SDH Objects March 1994 3. Overview These objects are used when the particular media being used to realize an interface is a SONET/SDH interface. At present, this applies to these values of the ifType variable in the Internet- standard MIB: sonet (39), sonetPath (50), sonetVT (51) The definitions contained herein are based on the SONET/SDH specifications in ANSI T1.105 and T1.106-1988 [9, 9a, 10] and CCITT G.707, 708, 709, and G.783 [15-18]. 3.1. Use of the ifTable This section specifies how the MIB II interfaces group, as defined in [12], is used for SONET/SDH interfaces. The SONET/SDH layers support several multiplexing possibilities. For example in SONET, an Synchronous Transport Signal 3 (STS-3) has 3 SONET Paths, and a STS-3c has 1 SONET Path. Another example could be a STS-12 having 4 SONET STS-3c Paths. Similarly, a SONET Synchronous Payload Envelope (SPE) can carry many Virtual Tributaries (VTs), for example, one SONET SPE can carry 28 VT1.5s. It is important to note that an SPE and a VT in SONET is collectively referred to as a Virtual Container (VC) in SDH. Also, an STS is called Synchronous Transport Module (STM) in SDH. Not all SONET/SDH equipment terminate all SONET/SDH layers. For example, an SONET/SDH STE regenerator terminates SONET/SDH Sections only, and is transparent for all layers above that. SONET/SDH Add- Drop multiplexers and Digital Cross Connect Systems terminate SONET/SDH Lines. SONET/SDH Terminal Multiplexers may also terminate SONET/SDH Paths and VTs/VCs. MIB II [6], as extended by [12], accommodates these cases by appropriate use of the MIB II system group, and the interfaces group. The system group can name and describe the type of managed resource. The interfaces group defines which SONET/SDH layers apply, how these layers are configured and multiplexed. This is achieved by proper representation of SONET/SDH Layers by ifEntries as defined in [12], as follows: AToM MIB Working Group PAGE 4 RFC 1595 SONET/SDH Objects March 1994 _____________________________ | | | | > | | | | | | VT 1 |..........|VT K| > K ifEntries | | | | | |_____________|__________|____| > | | | | > | | | | | | Path 1 |......|Path L| > L ifEntries | | | | | |_______________|______|______| > | | > | | | | Line | | | | | |_____________________________| | | | | | | | | Section Layer | > 1 ifEntry | | | |_____________________________| | | | | | | | | Physical Medium Layer | | | | | |_____________________________| > Use of ifTable for a SONET/SDH port The exact configuration and multiplexing of the layers is maintained in the ifStackTable [12]. AToM MIB Working Group PAGE 5 RFC 1595 SONET/SDH Objects March 1994 3.2. Use of ifTable for SONET/SDH Medium/Section/Line Layer Only the ifGeneralGroup needs to be supported. ifTable Object Use for combined SONET/SDH Medium/Section/Line Layer ====================================================================== ifIndex Interface index. ifDescr SONET/SDH Medium/Section/Line ifType sonet(39) ifSpeed Speed of line rate for SONET/SDH, (e.g., 155520000 bps). ifPhysAddress The value of the Circuit Identifier. If no Circuit Identifier has been assigned this object should have an octet string with zero length. ifAdminStatus Supports read-only access. The desired administrative status of the interface. ifOperStatus The value testing(3) is not used. This object assumes the value down(2), if the objects sonetSectionCurrentStatus and sonetLineCurrentStatus have any other value than sonetSectionNoDefect(1) and sonetLineNoDefect(1), respectively. ifLastChange sysUpTime at the last change in ifOperStatus. ifName Textual name of the interface or an OCTET STRING of zero length. ifLinkUpDownTrapEnable Set to enabled(1). Supports read-only access. ifHighSpeed Speed of line in Mega-bits per second (e.g., 155 Mbps) ifConnectorPresent Set to true(1). AToM MIB Working Group PAGE 6 RFC 1595 SONET/SDH Objects March 1994 3.3. Use of ifTable for SONET/SDH Paths Only the ifGeneralGroup needs to be supported. ifTable Object Use for SONET/SDH Paths ========================================= ifIndex Interface index. ifDescr SONET/SDH Path ifType sonetPath(50) ifSpeed set to speed of SONET/SDH path (e.g., an STS-1 path has a rate of 50112000 bps.) ifPhysAddress Circuit Identifier or OCTET STRING of zero length. ifAdminStatus Supports read-only access. The desired administrative status of the interface. ifOperStatus This object assumes the value down(2), if the object sonetPathCurrentStatus has any other value than sonetPathNoDefect(1). ifLastChange sysUpTime at the last change in ifOperStatus. ifName Textual name of the interface or an OCTET STRING of zero length. ifLinkUpDownTrapEnable Default value is disabled(2). Just read-only access may be supported. ifHighSpeed Set to rate of SONET/SDH path in Mega-bits per second. ifConnectorPresent Set to false(2). AToM MIB Working Group PAGE 7 RFC 1595 SONET/SDH Objects March 1994 3.4. Use of ifTable for SONET/SDH VTs/VCs Only the ifGeneralGroup needs to be supported. ifTable Object Use for SONET/SDH VTs/VCs =========================================== ifIndex Interface index. ifDescr SONET/SDH VT/VC ifType sonetVT(51) ifSpeed Set to speed of VT/VC (e.g., a VT1.5 has a rate of 1728000 bps.) ifPhysAddress Circuit Identifier or OCTET STRING of zero length. ifAdminStatus Supports read-only access. The desired administrative status of the interface. ifOperStatus This object assumes the value down(2), if the object sonetVTCurrentStatus has any other value than sonetVTNoDefect(1). ifLastChange sysUpTime at the last change in ifOperStatus. ifName Textual name of the interface or an OCTET STRING of zero length. ifLinkUpDownTrapEnable Default value is disabled(2). Just read-only access may be supported. ifHighSpeed Set to rate of VT in Mega-bits per second. ifConnectorPresent Set to false(2). AToM MIB Working Group PAGE 8 RFC 1595 SONET/SDH Objects March 1994 3.5. SONET/SDH Terminology The terminology used in this document to describe error conditions on a SONET circuit as monitored by a SONET system are from the ANSI T1M1.3/93-005R2 [11]. The terminology used in this document to describe error conditions on a SDH circuit as monitored by a SDH system are from the CCITT G.783 [18]. Only the SONET Performance Monitoring terminology is defined in this document. The definitions for SDH Performance Monitoring terms are similar but not identical, and they can be found in [18]. If the definition in this document does not match the definition in the ANSI T1M1.3/93-005R2 draft document, the implementer should follow the definition described in this document. Section Loss Of Frame Failure (Out of Frame Event, Severely Errored Frame Defect) An Out of Frame (OOF) event (or Severely Errored Frame defect) is the occurrence of four contiguous errored frame alignment words. A frame alignment work occupies the A1 and A2 bytes of an STS frame, and is defined in T1.105. The SEF defect is terminated when two contiguous error-free frame words are detected. Any implementation of the frame recovery circuitry which achieves realignment following an OOF within the 250 microsecond (two frames) interval implied by this definition is acceptable. An Loss of Frame (LOF) defect is declared when an OOF/SEF defect persists for a period of 3 milliseconds. The LOF defect is terminated when the incoming signal remains continuously in-frame for a period of 1 ms to 3 ms. An LOF failure is declared when the LOF defect persists for a period of 2.5 +/- 0.5 seconds, except when an LOS defect or failure is present. The LOF failure is cleared when the LOS failure is declared, or when the LOF defect is absent for 10 +/- 0.5 seconds. Loss of Signal The Loss of Signal (LOS) defect is declared when no transitions are detected on the incoming signal (before descrambling). The LOS defect is detected upon observing 2.3 to 100 microseconds of no transitions. The LOS defect is cleared after a 125 microsecond interval (one frame) during which no LOS defect is detected. The LOS failure is declared when the LOS defect persists for a period of 2.5 +/- 0.5 seconds, or if LOS defect is AToM MIB Working Group PAGE 9 RFC 1595 SONET/SDH Objects March 1994 present when the criteria for LOF failure declaration have been met. The LOS failure is cleared when the LOS defect is absent for a period of 10 +/- 0.5 seconds. Declaration of LOS failure clears any existing LOF failure. Clearing the LOS failure allows immediate declaration of the LOF failure if conditions warrant. STS-Path Loss of Pointer An Loss of Pointer (LOP) defect is declared when either a valid pointer is not detected in eight consecutive frames, or when eight consecutive frames are detected with the New Data Flag (NDF) set to "1001" without a valid concatenation indicator (see ANSI T1.105). A LOP defect is terminated when either a valid pointer with a normal NDF set to "0110", or a valid concatenation indicator is detected for three contiguous frames. Incoming STS-Path AIS shall not result in the declaration of a LOP defect. A STS-Path LOP failure is declared when the STS-Path LOP defect persists for a period of 2.5 +/- 0.5 seconds. A STS-Path LOP failure is cleared when the STS-Path LOP defect is absent for 10 +/- 0.5 seconds. VT Loss of Pointer A VT LOP defect is declared when either a valid pointer is not detected in eight consecutive VT superframes, or when eight consecutive VT superframes are detected with the NDF set to "1001" without a valid concatenation indicator. A VT LOP defect is terminated when either a valid pointer with a normal NDF set to "0110", or a valid concatenation indicator is detected for three contiguous VT superframes. Incoming VT-Path AIS shall not result in declaring a VT LOP defect. A VT LOP failure is declared when the VT LOP defect persists for 2.5 +/- 0.5 seconds. A VT LOP failure is cleared when the VT LOP defect is absent for 10 +/- 0.5 seconds. Line Alarm Indication Signal A Line Alarm Indication Signal (L-AIS) is defined in ANSI T1.105. The following criteria are specific to the L-AIS defect: -- Line AIS defect is detected as a "111" pattern in bits 6, 7, and 8 of the K2 byte in five consecutive frames. AToM MIB Working Group PAGE 10 RFC 1595 SONET/SDH Objects March 1994 -- Line AIS defect is terminated when bits 6, 7, and 8 of the K2 byte do not contain the code "111" for five consecutive frames. A Line AIS failure is declared when the Line AIS defect persists for a period of 20.5 +/- 0.5 seconds. A Line AIS failure is cleared when the Line AIS defect is absent for 10 +/- 0.5 seconds. STS-Path Alarm Indication Signal The STS-Path Alarm Indication Signal (AIS) is defined in ANSI T1.105 as all ones in bytes H1, H2, and H3 as well as all ones in the entire STS SPE. The following criteria are specific to the STS-Path AIS defect: -- STS-Path AIS defect is detected as all ones in bytes H1 and H2 in three contiguous frames. -- The STS-Path AIS defect is terminated when a valid STS Pointer is detected with the NDF set to "1001" (inverted) for one frame, or "0110" (normal) for three contiguous frames. A STS-Path AIS failure is declared when the STS-Path AIS defect persists for 2.5 +/- 0.5 seconds. A STS-Path AIS failure is cleared when the STS-Path AIS defect is absent for 10 +/- 0.5 seconds. VT-Path Alarm Indication Signal The VT-Path Alarm Indication Signal (AIS) is only applicable for VTs in the floating mode of operation. VT-Path AIS is used to alert the downstream VT Path Terminating Entity (PTE) of an upstream failure. Upon detection of a failure, Line AIS, or STS-Path AIS, an STS PTE will generate downstream VT-Path AIS if the STS Synchronous Payload Envelope (SPE) is carrying floating VTs. VT-Path AIS is specified in ANSI T1.105 as all ones in bytes V1, V2, V3, and V4, as well as all ones in the entire VT SPE. The following criteria are specific to VT-Path AIS defect: -- VT-Path AIS defect is detected by a VT PTE as all ones in bytes V1 and V2 in three contiguous VT superframes. -- VT-Path AIS defect is terminated when valid VT pointer with a valid VT size is detected with the NDF set to "1001" (inverted) for one VT superframe, or "0110" AToM MIB Working Group PAGE 11 RFC 1595 SONET/SDH Objects March 1994 (normal) for three contiguous VT superframes are detected. A VT-Path AIS failure is declared when the VT-Path AIS defect persists for 2.5 +/- 0.5 seconds. A VT-Path AIS failure is cleared when the VT-Path AIS defect is absent for 10 +/- 0.5 seconds. Line Remote Defect Indication Line Remote Defect Indication (RDI) (aka Line FERF) signal is the occurrence of a "110" pattern in bit positions 6, 7, and 8 of the K2 byte in STS-1 #1 of the STS-N signal. Line RDI is defined in ANSI T1.105. The following criteria are specific to Line RDI defect: -- Line RDI defect is a "110" code in bits 6, 7, and 8 of the K2 byte of in STS-1 #1 in five consecutive frames. -- Line RDI defect is terminated when any code other than "110" is detected in bits 6, 7, and 8 of the K2 byte in five consecutive frames. A Line Remote Failure Indication (RFI) failure is declared when the incoming Line RDI defects lasts for 2.5 +/- 0.5 seconds. The Line RFI failure is cleared when no Line RDI defects are detected for 10 +/- 0.5 seconds. STS-Path Remote Defect Indication STS-Path RDI (aka STS-Path FERF) signal shall be generated within 100 milliseconds by the STS PTE upon detection of an AIS or LOP defect. Transmission of the STS-Path RDI signal shall cease within 100 milliseconds when the STS PTE no longer detects STS-Path AIS or STS- Path LOP defect. The STS-Path RDI shall accurately report the presence or absence of STS-Path AIS or STS- Path LOP defects. STS-Path RDI defect is defined in ANSI T1.105. The following requirements are specific to the STS-Path RDI defect: -- STS-Path RDI is detected by all STS PTEs. STS-Path RDI is detected by the upstream STS PTE as a "1" in bit five of the Path Status byte (G1) for five contiguous frames. -- Removal of STS-Path Remote Defect Indication is detected by a "0" in bit 5 of the G1 byte in five contiguous frames. AToM MIB Working Group PAGE 12 RFC 1595 SONET/SDH Objects March 1994 A STS-Path Remote Failure Indication (RFI) failure is declared when the incoming STS-Path RDI defects lasts for 2.5 +/- 0.5 seconds. The STS-Path RFI failure is cleared when no STS-Path RDI defects are detected for 10 +/- 0.5 seconds. VT-Path Remote Defect Indication VT Path RDI (aka VT Path FERF) signal shall be generated within 100 milliseconds by the VT PTE upon detection of a VT-Path AIS or LOP defect. Transmission of the VT-Path RDI signal shall cease within 100 milliseconds when the VT PTE no longer detects VT-Path AIS or VT-Path LOP defect. The VT-Path RDI shall accurately report the presence or absence of VT-Path AIS or VT-Path LOP defects. VT-Path RDI defect is defined in ANSI T1.105. The following requirements are specific to VT-Path RDI defect: -- VT-Path RDI defect is the occurrence of a "1" in bit 4 of the VT-Path Overhead byte (V5) in five contiguous frames. -- VT-Path RDI defect is terminated when a "0" is detected in bit 4 of the VT-Path Overhead byte (V5) for five contiguous frames. A VT-Path Remote Failure Indication (RFI) (derived) failure is declared when the incoming VT-Path RDI defects lasts for 2.5 +/- 0.5 seconds. The VT-Path RFI failure is cleared when no VT-Path RDI defects are detected for 10 +/- 0.5 seconds. VT-Path Remote Failure Indication The VT-Path RFI signal is only required for the case of byte synch mapped DS1s where the DS1 frame bit is not mapped. The VT-Path RFI is specified in ANSI T1.105, where it is currently called VT path yellow. When provided, the VT-Path RFI signal is used to indicate the occurrence of far-end failures. When the VT-Path RFI is not provided, far-end failures are derived from local timing of the VT-Path RDI defect. The VT-Path RFI failure is declared within 5 ms of detecting the incoming VT-Path RFI Signal. The VT-Path Remote Failure Indication (RFI) failure is cleared within 50 ms of detecting the removal of the incoming VT-Path RFI signal. AToM MIB Working Group PAGE 13 RFC 1595 SONET/SDH Objects March 1994 Coding Violation Coding Violations (CV) are Bit Interleaved Parity (BIP) errors that are detected in the incoming signal. CV counters are incremented for each BIP error detected. That is, each BIP-8 can detect up to eight errors per STS-N frame, with each error incrementing the CV counter. Section CVs shall be collected using the BIP-8 in the B1 byte located in the Section Overhead of STS-1 #1. Line CVs shall be collected using the BIP-8s in B2 bytes located in the Line Overhead of each STS-1 (since all CVs on an STS-N line are counted together, this is equivalent to counting each error in the BIP-8*N contained in the B2 bytes of the STS-N Line Overhead). Thus, on an STS-N signal, up to 8 x N CVs may occur in each frame. Path CVs shall be collected using the BIP-8 in the B3 byte of the STS-Path Overhead of the STS SPE. VT CVs shall be collected using the BIP-2 in the V5 overhead byte of the floating VT. Errored Seconds At each layer, an Errored Second (ES) is a second with one or more Coding Violations at that layer OR one or more incoming defects (e.g., SEF, LOS, AIS, LOP) at that layer has occurred. Severely Errored Seconds At each layer, an Severely Errored Second (SES) is a second with x or more CVs at that layer, or a second during which at least one or more incoming defects at that layer has occurred. Values of x vary depending on the line rate and the Bit Error Rate. See Section 3.4 for values for x. Severely Errored Framing Seconds A Severely Errored Framing Second (SEFS) is a seconds with containing one or more SEF events. This counter is only counted at the Section Layer. Unavailable Seconds At the Line, Path, and VT layers, an unavailable second is calculated by counting the number of seconds that the interface is unavailable. At each layer, the SONET/SDH interface is said to be unavailable at the onset of 10 contiguous SESs. The 10 SESs are included in unavailable time. Once unavailable, the SONET/SDH interface becomes available at the onset of 10 contiguous seconds with no SESs. The 10 seconds with no SESs are excluded from unavailable time. With respect to the SONET/SDH error AToM MIB Working Group PAGE 14 RFC 1595 SONET/SDH Objects March 1994 counts at each layer, all counters at that layer are incremented while the SONET/SDH interface is deemed available at that layer. While the interface is deemed unavailable at that layer, the only count that is incremented is UASs at that layer. A special case exists when the 10 or more second period crosses the 900 second statistics window boundary, as the foregoing description implies that the SES and UAS counters must be adjusted when the Unavailable Signal State is entered. Clearly, successive GETs of the affected sonetPathIntervalSES and sonetPathIntervalUAS (for the Line and VT also) objects will return differing values if the first GET occurs during the first few seconds of the window. This is viewed as an unavoidable side-effect of selecting the presently defined managed objects as a basis for this memo. Unequipped If a Path or VT connection is not provisioned (idle) the SONET equipment will signal this state by transmitting the Path or VT Signal Label as follows: - byte C2 of the STS Path Overhead equal to 0 for an unequipped Path, - byte V5 of the VT Path Overhead equal to 0 for an unequipped VT. Signal Label Mismatch A Path or VT connection is not correctly provisioned if a received Path or VT Signal Label mismatch occurs. A received Signal Label is considered mismatched if it does not equal either the locally provisioned value or the value 'equipped non-specific' (1 hex). Note that any received non-zero Signal Label is considered a locally provisioned value of 'equipped non-specific'. Only in- service, provisioned Path Terminating equipment can detect mismatched Signal labels. It is considered provisioned if it has been configured for a mapping and has been assigned signals to and from which the mapping takes place. Circuit Identifier This is a character string specified by the circuit vendor, and is useful when communicating with the vendor during the troubleshooting process. AToM MIB Working Group PAGE 15 RFC 1595 SONET/SDH Objects March 1994 3.6. Values for x for the Section, Line, Path, and VT Layers Value for x for SONET/SDH Section SES Definition Rate x Minimum Bit Error Rate ======================================================= OC-1 9 1.5 x 10^-7 0C-3 16 1 x 10^-7 OC-9 47 1 x 10^-7 OC-12 63 1 x 10^-7 OC-18 94 1 x 10^-7 OC-24 125 1 x 10^-7 OC-36 187 1 x 10^-7 OC-48 249 1 x 10^-7 Value for x for SONET/SDH Line SES Definition Rate x Minimum Bit Error Rate ======================================================= OC-1 12 2 x 10^-7 0C-3 32 2 x 10^-7 OC-9 94 2 x 10^-7 OC-12 124 2 x 10^-7 OC-18 186 2 x 10^-7 OC-24 248 2 x 10^-7 OC-36 370 2 x 10^-7 OC-48 494 2 x 10^-7 Value for x for SONET/SDH STS-Path SES Definition Rate x Minimum Bit Error Rate ======================================================= STS-1 9 1.5 x 10^-7 STS-3 16 1 x 10^-7 Value for x for SONET/SDH VT-Path SES Definition Rate x Minimum Bit Error Rate ======================================================= VT1.5 4 2 x 10^-6 VT2 6 2 x 10^-6 VT3 8 2 x 10^-6 VT6 14 2 x 10^-6 AToM MIB Working Group PAGE 16 RFC 1595 SONET/SDH Objects March 1994 4. Object Definitions SONET-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-IDENTITY, OBJECT-TYPE, Counter32, Gauge32, Integer32, FROM SNMPv2-SMI TEXTUAL-CONVENTION, DisplayString FROM SNMPv2-TC MODULE-COMPLIANCE, OBJECT-GROUP FROM SNMPv2-CONF ifIndex, transmission FROM RFC 1213; -- This is the MIB module for the SMDS Interface objects. sonetMIB MODULE-IDENTITY LAST-UPDATED "9401030000Z" ORGANIZATION "IETF AToM MIB Working Group" CONTACT-INFO " Tracy Brown Postal: Bell Communications Research 331 Newman Springs Road P.O. Box 7020 Red Bank, NJ 07701-7020 US Tel: +1 908 758 2107 Fax: +1 908 758 4177 E-mail: tacox@mail.bellcore.com Kaj Tesink Postal: Bell Communications Research 331 Newman Springs Road P.O. Box 7020 Red Bank, NJ 07701-7020 US Tel: +1 908 758 5254 Fax: +1 908 758 4196 AToM MIB Working Group PAGE 17 RFC 1595 SONET/SDH Objects March 1994 E-mail: kaj@cc.bellcore.com" DESCRIPTION "The MIB module to describe SONET/SDH interfaces objects." ::= { transmission 39 } -- This is the MIB module for the SONET/SDH objects sonetObjects OBJECT IDENTIFIER ::= { sonetMIB 1 } sonetObjectsPath OBJECT IDENTIFIER ::= { sonetMIB 2 } sonetObjectsVT OBJECT IDENTIFIER ::= { sonetMIB 3 } -- groups in the SONET/SDH MIB module sonetMedium OBJECT IDENTIFIER ::= { sonetObjects 1 } sonetSection OBJECT IDENTIFIER ::= { sonetObjects 2 } sonetLine OBJECT IDENTIFIER ::= { sonetObjects 3 } sonetFarEndLine OBJECT IDENTIFIER ::= { sonetObjects 4 } sonetPath OBJECT IDENTIFIER ::= { sonetObjectsPath 1 } sonetFarEndPath OBJECT IDENTIFIER ::= { sonetObjectsPath 2 } sonetVT OBJECT IDENTIFIER ::= { sonetObjectsVT 1 } sonetFarEndVT OBJECT IDENTIFIER ::= { sonetObjectsVT 2 } -- the SONET/SDH Medium group -- SONET/SDH interfaces for some applications may be -- electrical interfaces and not optical interfaces. -- This group handles the configuration information for -- both optical SONET/SDH interfaces and electrical -- SONET/SDH interfaces. sonetMediumTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetMediumEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION AToM MIB Working Group PAGE 18 RFC 1595 SONET/SDH Objects March 1994 "The SONET/SDH Medium table." ::= { sonetMedium 1 } sonetMediumEntry OBJECT-TYPE SYNTAX SonetMediumEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Medium table." INDEX { ifIndex } ::= { sonetMediumTable 1 } SonetMediumEntry ::= SEQUENCE { sonetMediumType INTEGER, sonetMediumTimeElapsed Integer32, sonetMediumValidIntervals Integer32, sonetMediumLineCoding INTEGER, sonetMediumLineType INTEGER, sonetMediumCircuitIdentifier DisplayString } sonetMediumType OBJECT-TYPE SYNTAX INTEGER { sonet(1), sdh(2) } MAX-ACCESS read-only STATUS current DESCRIPTION "This variable identifies whether a SONET or a SDH signal is used across this interface." ::= { sonetMediumEntry 1 } sonetMediumTimeElapsed OBJECT-TYPE SYNTAX Integer32 (1..900) MAX-ACCESS read-only STATUS current DESCRIPTION "The number of seconds, including partial seconds, that have elapsed since the beginning of the current error-measurement period." ::= { sonetMediumEntry 2 } sonetMediumValidIntervals OBJECT-TYPE SYNTAX Integer32 (0..96) MAX-ACCESS read-only AToM MIB Working Group PAGE 19 RFC 1595 SONET/SDH Objects March 1994 STATUS current DESCRIPTION "The number of previous intervals for which valid data has been stored. A SONET device must support at least n intervals. The minimum value of n is 4. The default of n is 32. The maximum value of n is 96. The value of this object will be n unless the device was brought online within the last (nx15) minutes, in which case the value will be the number of complete 15 minute intervals the device has been online." ::= { sonetMediumEntry 3 } sonetMediumLineCoding OBJECT-TYPE SYNTAX INTEGER { sonetMediumOther(1), sonetMediumB3ZS(2), sonetMediumCMI(3), sonetMediumNRZ(4), sonetMediumRZ(5) } MAX-ACCESS read-only STATUS current DESCRIPTION "This variable describes the line coding for this interface. The B3ZS and CMI are used for electrical SONET/SDH signals (STS-1 and STS-3). The Non-Return to Zero (NRZ) and the Return to Zero are used for optical SONET/SDH signals." ::= { sonetMediumEntry 4 } sonetMediumLineType OBJECT-TYPE SYNTAX INTEGER { sonetOther(1), sonetShortSingleMode(2), sonetLongSingleMode(3), sonetMultiMode(4), sonetCoax(5), sonetUTP(6) } MAX-ACCESS read-only STATUS current DESCRIPTION "This variable describes the line type for this interface. The line types are Short and Long Range AToM MIB Working Group PAGE 20 RFC 1595 SONET/SDH Objects March 1994 Single Mode fiber or Multi-Mode fiber interfaces, and coax and UTP for electrical interfaces. The value sonetOther should be used when the Line Type is not one of the listed values." ::= { sonetMediumEntry 5 } sonetMediumCircuitIdentifier OBJECT-TYPE SYNTAX DisplayString (SIZE (0..255)) MAX-ACCESS read-only STATUS current DESCRIPTION "This variable contains the transmission vendor's circuit identifier, for the purpose of facilitating troubleshooting." ::= { sonetMediumEntry 6 } -- the SONET/SDH Section group -- this group consists of 2 tables: -- - the SONET/SDH Section Current Table -- - the SONET/SDH Section Interval Table -- the SONET/SDH Section Current Table -- The SONET/SDH Section -- current table contains various statistics -- being collected for the current 15 minute interval. sonetSectionCurrentTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetSectionCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Section Current table." ::= { sonetSection 1 } sonetSectionCurrentEntry OBJECT-TYPE SYNTAX SonetSectionCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Section Current table." INDEX { ifIndex } ::= { sonetSectionCurrentTable 1 } AToM MIB Working Group PAGE 21 RFC 1595 SONET/SDH Objects March 1994 SonetSectionCurrentEntry ::= SEQUENCE { sonetSectionCurrentStatus Integer32, sonetSectionCurrentESs Gauge32, sonetSectionCurrentSESs Gauge32, sonetSectionCurrentSEFSs Gauge32, sonetSectionCurrentCVs Gauge32 } sonetSectionCurrentStatus OBJECT-TYPE SYNTAX Integer32 (1..6) MAX-ACCESS read-only STATUS current DESCRIPTION "This variable indicates the status of the interface. The sonetSectionCurrentStatus is a bit map represented as a sum, therefore, it can represent multiple defects simultaneously. The sonetSectionNoDefect should be set if and only if no other flag is set. The various bit positions are: 1 sonetSectionNoDefect 2 sonetSectionLOS 4 sonetSectionLOF" ::= { sonetSectionCurrentEntry 1 } sonetSectionCurrentESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Errored Seconds encountered by a SONET/SDH Section in the current 15 minute interval." ::= { sonetSectionCurrentEntry 2 } sonetSectionCurrentSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of AToM MIB Working Group PAGE 22 RFC 1595 SONET/SDH Objects March 1994 Severely Errored Seconds encountered by a SONET/SDH Section in the current 15 minute interval." ::= { sonetSectionCurrentEntry 3 } sonetSectionCurrentSEFSs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Framing Seconds encountered by a SONET/SDH Section in the current 15 minute interval." ::= { sonetSectionCurrentEntry 4 } sonetSectionCurrentCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Coding Violations encountered by a SONET/SDH Section in the current 15 minute interval." ::= { sonetSectionCurrentEntry 5 } -- the SONET/SDH Section Interval Table -- The SONET/SDH Section Interval Table -- contains various statistics -- collected by each system over a maximum -- of the previous 24 hours of -- operation. The past 24 hours may be broken into 96 -- completed 15 minute intervals. -- A system is required to store at -- least 4 completed 15 minute interval. -- The default value is 32 intervals. sonetSectionIntervalTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetSectionIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Section Interval table." ::= { sonetSection 2 } sonetSectionIntervalEntry OBJECT-TYPE AToM MIB Working Group PAGE 23 RFC 1595 SONET/SDH Objects March 1994 SYNTAX SonetSectionIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Section Interval table." INDEX { ifIndex, sonetSectionIntervalNumber } ::= { sonetSectionIntervalTable 1 } SonetSectionIntervalEntry ::= SEQUENCE { sonetSectionIntervalNumber Integer32, sonetSectionIntervalESs Gauge32, sonetSectionIntervalSESs Gauge32, sonetSectionIntervalSEFSs Gauge32, sonetSectionIntervalCVs Gauge32 } sonetSectionIntervalNumber OBJECT-TYPE SYNTAX Integer32 (1..96) MAX-ACCESS not-accessible STATUS current DESCRIPTION "A number between 1 and 96, which identifies the interval for which the set of statistics is available. The interval identified by 1 is the most recently completed 15 minute interval, and the interval identified by N is the interval immediately preceding the one identified by N-1." ::= { sonetSectionIntervalEntry 1 } sonetSectionIntervalESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Errored Seconds encountered by a SONET/SDH Section in a particular 15-minute interval in the past 24 hours." ::= { sonetSectionIntervalEntry 2 } sonetSectionIntervalSESs OBJECT-TYPE SYNTAX Gauge32 AToM MIB Working Group PAGE 24 RFC 1595 SONET/SDH Objects March 1994 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Seconds encountered by a SONET/SDH Section in a particular 15-minute interval in the past 24 hours." ::= { sonetSectionIntervalEntry 3 } sonetSectionIntervalSEFSs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Framing Seconds encountered by a SONET/SDH Section in a particular 15-minute interval in the past 24 hours." ::= { sonetSectionIntervalEntry 4 } sonetSectionIntervalCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Coding Violations encountered by a SONET/SDH Section in a particular 15-minute interval in the past 24 hours." ::= { sonetSectionIntervalEntry 5 } -- the SONET/SDH Line group -- this group consists of 2 tables: -- - the SONET/SDH Line Current Table -- - the SONET/SDH Line Interval Table -- the SONET/SDH Line Current Table -- The SONET/SDH Line -- current table contains various statistics -- being collected for the current 15 minute interval. sonetLineCurrentTable OBJECT-TYPE AToM MIB Working Group PAGE 25 RFC 1595 SONET/SDH Objects March 1994 SYNTAX SEQUENCE OF SonetLineCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Line Current table." ::= { sonetLine 1 } sonetLineCurrentEntry OBJECT-TYPE SYNTAX SonetLineCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Line Current table." INDEX { ifIndex } ::= { sonetLineCurrentTable 1 } SonetLineCurrentEntry ::= SEQUENCE { sonetLineCurrentStatus Integer32, sonetLineCurrentESs Gauge32, sonetLineCurrentSESs Gauge32, sonetLineCurrentCVs Gauge32, sonetLineCurrentUASs Gauge32 } sonetLineCurrentStatus OBJECT-TYPE SYNTAX Integer32 (1..6) MAX-ACCESS read-only STATUS current DESCRIPTION "This variable indicates the status of the interface. The sonetLineCurrentStatus is a bit map represented as a sum, therefore, it can represent multiple defects simultaneously. The sonetLineNoDefect should be set if and only if no other flag is set. The various bit positions are: 1 sonetLineNoDefect 2 sonetLineAIS 4 sonetLineRDI" ::= { sonetLineCurrentEntry 1 } AToM MIB Working Group PAGE 26 RFC 1595 SONET/SDH Objects March 1994 sonetLineCurrentESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Errored Seconds encountered by a SONET/SDH Line in the current 15 minute interval." ::= { sonetLineCurrentEntry 2 } sonetLineCurrentSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Seconds encountered by a SONET/SDH Line in the current 15 minute interval." ::= { sonetLineCurrentEntry 3 } sonetLineCurrentCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Coding Violations encountered by a SONET/SDH Line in the current 15 minute interval." ::= { sonetLineCurrentEntry 4 } sonetLineCurrentUASs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Unavailable Seconds encountered by a SONET/SDH Line in the current 15 minute interval." ::= { sonetLineCurrentEntry 5 } -- the SONET/SDH Line Interval Table -- The SONET/SDH Line Interval Table AToM MIB Working Group PAGE 27 RFC 1595 SONET/SDH Objects March 1994 -- contains various statistics -- collected by each system over a maximum -- of the previous 24 hours of -- operation. The past 24 hours may be broken into 96 -- completed 15 minute intervals. -- A system is required to store at -- least 4 completed 15 minute interval. -- The default value is 32 intervals. sonetLineIntervalTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetLineIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Line Interval table." ::= { sonetLine 2 } sonetLineIntervalEntry OBJECT-TYPE SYNTAX SonetLineIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Line Interval table." INDEX { ifIndex, sonetLineIntervalNumber } ::= { sonetLineIntervalTable 1 } SonetLineIntervalEntry ::= SEQUENCE { sonetLineIntervalNumber Integer32, sonetLineIntervalESs Gauge32, sonetLineIntervalSESs Gauge32, sonetLineIntervalCVs Gauge32, sonetLineIntervalUASs Gauge32 } sonetLineIntervalNumber OBJECT-TYPE SYNTAX Integer32 (1..96) MAX-ACCESS not-accessible STATUS current DESCRIPTION "A number between 1 and 96, which identifies the interval for which the set of statistics is available. The interval identified by 1 is the most recently completed 15 minute interval, and the interval identified by N is the interval immediately preceding the AToM MIB Working Group PAGE 28 RFC 1595 SONET/SDH Objects March 1994 one identified by N-1." ::= { sonetLineIntervalEntry 1 } sonetLineIntervalESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Errored Seconds encountered by a SONET/SDH Line in a particular 15-minute interval in the past 24 hours." ::= { sonetLineIntervalEntry 2 } sonetLineIntervalSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Seconds encountered by a SONET/SDH Line in a particular 15-minute interval in the past 24 hours." ::= { sonetLineIntervalEntry 3 } sonetLineIntervalCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Coding Violations encountered by a SONET/SDH Line in a particular 15-minute interval in the past 24 hours." ::= { sonetLineIntervalEntry 4 } sonetLineIntervalUASs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Unavailable Seconds encountered by a SONET/SDH Line in AToM MIB Working Group PAGE 29 RFC 1595 SONET/SDH Objects March 1994 a particular 15-minute interval in the past 24 hours." ::= { sonetLineIntervalEntry 5 } -- The SONET/SDH Far End Line group. -- This group may only be implemented by SONET/SDH (LTEs) -- systems that provide for a far end block error (FEBE) -- information at the SONET/SDH Line Layer. -- This group consists of two tables: -- SONET/SDH Far End Line Current Table -- SONET/SDH Far End Line Interval Table -- The SONET/SDH Far End Line Current Table -- The SONET/SDH Far End Line Current table contains -- various statistics being -- collected for the current 15 minute interval. -- The statistics are collected from the far end -- block error code (FEBE) -- within the third Z2 byte of the Line Overhead -- in Broadband ISDN applications. -- The definitions are the same as described for -- the near-end information. sonetFarEndLineCurrentTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetFarEndLineCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Far End Line Current table." ::= { sonetFarEndLine 1 } sonetFarEndLineCurrentEntry OBJECT-TYPE SYNTAX SonetFarEndLineCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Far End Line Current table." INDEX { ifIndex } ::= { sonetFarEndLineCurrentTable 1 } SonetFarEndLineCurrentEntry ::= SEQUENCE { sonetFarEndLineCurrentESs Gauge32, AToM MIB Working Group PAGE 30 RFC 1595 SONET/SDH Objects March 1994 sonetFarEndLineCurrentSESs Gauge32, sonetFarEndLineCurrentCVs Gauge32, sonetFarEndLineCurrentUASs Gauge32 } sonetFarEndLineCurrentESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far Far End Errored Seconds encountered by a SONET/SDH interface in the current 15 minute interval." ::= { sonetFarEndLineCurrentEntry 1 } sonetFarEndLineCurrentSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Severely Errored Seconds encountered by a SONET/SDH Medium/Section/Line interface in the current 15 minute interval." ::= { sonetFarEndLineCurrentEntry 2 } sonetFarEndLineCurrentCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Coding Violations reported via the far end block error count encountered by a SONET/SDH Medium/Section/Line interface in the current 15 minute interval." ::= { sonetFarEndLineCurrentEntry 3 } sonetFarEndLineCurrentUASs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Unavailable Seconds AToM MIB Working Group PAGE 31 RFC 1595 SONET/SDH Objects March 1994 encountered by a SONET/SDH Medium/Section/Line interface in the current 15 minute interval." ::= { sonetFarEndLineCurrentEntry 4 } -- The SONET/SDH Far End Line Interval Table -- The SONET/SDH Far End Line Interval Table -- contains various statistics -- collected by each system over a maximum -- of the previous 24 hours of -- operation. The past 24 hours may be broken into 96 -- completed 15 minute intervals. -- A system is required to store at -- least 4 completed 15 minute interval. -- The default value is 32 intervals. sonetFarEndLineIntervalTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetFarEndLineIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Far End Line Interval table." ::= { sonetFarEndLine 2 } sonetFarEndLineIntervalEntry OBJECT-TYPE SYNTAX SonetFarEndLineIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Far End Line Interval table." INDEX { ifIndex, sonetFarEndLineIntervalNumber } ::= { sonetFarEndLineIntervalTable 1 } SonetFarEndLineIntervalEntry ::= SEQUENCE { sonetFarEndLineIntervalNumber Integer32, sonetFarEndLineIntervalESs Gauge32, sonetFarEndLineIntervalSESs Gauge32, sonetFarEndLineIntervalCVs Gauge32, sonetFarEndLineIntervalUASs Gauge32 } sonetFarEndLineIntervalNumber OBJECT-TYPE AToM MIB Working Group PAGE 32 RFC 1595 SONET/SDH Objects March 1994 SYNTAX Integer32 (1..96) MAX-ACCESS not-accessible STATUS current DESCRIPTION "A number between 1 and 96, which identifies the interval for which the set of statistics is available. The interval identified by 1 is the most recently completed 15 minute interval, and the interval identified by N is the interval immediately preceding the one identified by N-1." ::= { sonetFarEndLineIntervalEntry 1 } sonetFarEndLineIntervalESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Errored Seconds encountered by a SONET/SDH Line interface in a particular 15-minute interval in the past 24 hours." ::= { sonetFarEndLineIntervalEntry 2 } sonetFarEndLineIntervalSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Severely Errored Seconds encountered by a SONET/SDH Line interface in a particular 15-minute interval in the past 24 hours." ::= { sonetFarEndLineIntervalEntry 3 } sonetFarEndLineIntervalCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Coding Violations reported via the far end block error count encountered by a SONET/SDH Line AToM MIB Working Group PAGE 33 RFC 1595 SONET/SDH Objects March 1994 interface in a particular 15-minute interval in the past 24 hours." ::= { sonetFarEndLineIntervalEntry 4 } sonetFarEndLineIntervalUASs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Unavailable Seconds encountered by a SONET/SDH Line interface in a particular 15-minute interval in the past 24 hours." ::= { sonetFarEndLineIntervalEntry 5 } -- the SONET/SDH Path group -- this group consists of 2 tables: -- - the SONET/SDH Path Current Table -- - the SONET/SDH Path Interval Table -- the SONET/SDH Path Current Table -- The SONET/SDH Path -- current table contains various statistics -- being collected for the current 15 minute interval. sonetPathCurrentTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetPathCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Path Current table." ::= { sonetPath 1 } sonetPathCurrentEntry OBJECT-TYPE SYNTAX SonetPathCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Path Current table." INDEX { ifIndex } ::= { sonetPathCurrentTable 1 } AToM MIB Working Group PAGE 34 RFC 1595 SONET/SDH Objects March 1994 SonetPathCurrentEntry ::= SEQUENCE { sonetPathCurrentWidth INTEGER, sonetPathCurrentStatus Integer32, sonetPathCurrentESs Gauge32, sonetPathCurrentSESs Gauge32, sonetPathCurrentCVs Gauge32, sonetPathCurrentUASs Gauge32 } sonetPathCurrentWidth OBJECT-TYPE SYNTAX INTEGER { sts1(1), sts3cSTM1(2), sts12cSTM4(3), sts24c(4), sts48cSTM16(5) } MAX-ACCESS read-write STATUS current DESCRIPTION "A value that indicates the type of the SONET/SDH Path. For SONET, the assigned types are the STS-Nc SPEs, where N = 1, 3, 12, 24, and 48. STS-1 is equal to 51.84 Mbps. For SDH, the assigned types are the STM-Nc VCs, where N = 1, 4, and 16." ::= { sonetPathCurrentEntry 1 } sonetPathCurrentStatus OBJECT-TYPE SYNTAX Integer32 (1..14) MAX-ACCESS read-only STATUS current DESCRIPTION "This variable indicates the status of the interface. The sonetPathCurrentStatus is a bit map represented as a sum, therefore, it can represent multiple defects simultaneously. The sonetPathNoDefect should be set if and only if no other flag is set. The various bit positions are: 1 sonetPathNoDefect 2 sonetPathSTSLOP AToM MIB Working Group PAGE 35 RFC 1595 SONET/SDH Objects March 1994 4 sonetPathSTSAIS 8 sonetPathSTSRDI 16 sonetPathUnequipped 32 sonetPathSignalLabelMismatch" ::= { sonetPathCurrentEntry 2 } sonetPathCurrentESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Errored Seconds encountered by a SONET/SDH Path in the current 15 minute interval." ::= { sonetPathCurrentEntry 3 } sonetPathCurrentSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Seconds encountered by a SONET/SDH Path in the current 15 minute interval." ::= { sonetPathCurrentEntry 4 } sonetPathCurrentCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Coding Violations encountered by a SONET/SDH Path in the current 15 minute interval." ::= { sonetPathCurrentEntry 5 } sonetPathCurrentUASs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Unavailable Seconds encountered by a Path in the current 15 minute, interval." ::= { sonetPathCurrentEntry 6 } AToM MIB Working Group PAGE 36 RFC 1595 SONET/SDH Objects March 1994 -- the SONET/SDH Path Interval Table -- The SONET/SDH Path Interval Table -- contains various statistics -- collected by each system over a maximum -- of the previous 24 hours of -- operation. The past 24 hours may be broken into 96 -- completed 15 minute intervals. -- A system is required to store at -- least 4 completed 15 minute interval. -- The default value is 32 intervals. sonetPathIntervalTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetPathIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Path Interval table." ::= { sonetPath 2 } sonetPathIntervalEntry OBJECT-TYPE SYNTAX SonetPathIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Path Interval table." INDEX { ifIndex, sonetPathIntervalNumber } ::= { sonetPathIntervalTable 1 } SonetPathIntervalEntry ::= SEQUENCE { sonetPathIntervalNumber Integer32, sonetPathIntervalESs Gauge32, sonetPathIntervalSESs Gauge32, sonetPathIntervalCVs Gauge32, sonetPathIntervalUASs Gauge32 } sonetPathIntervalNumber OBJECT-TYPE SYNTAX Integer32 (1..96) MAX-ACCESS not-accessible STATUS current DESCRIPTION "A number between 1 and 96, which identifies the interval for which the set of statistics is available. AToM MIB Working Group PAGE 37 RFC 1595 SONET/SDH Objects March 1994 The interval identified by 1 is the most recently completed 15 minute interval, and the interval identified by N is the interval immediately preceding the one identified by N-1." ::= { sonetPathIntervalEntry 1 } sonetPathIntervalESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Errored Seconds encountered by a SONET/SDH Path in a particular 15-minute interval in the past 24 hours." ::= { sonetPathIntervalEntry 2 } sonetPathIntervalSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Seconds encountered by a SONET/SDH Path in a particular 15-minute interval in the past 24 hours." ::= { sonetPathIntervalEntry 3 } sonetPathIntervalCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Coding Violations encountered by a SONET/SDH Path in a particular 15-minute interval in the past 24 hours." ::= { sonetPathIntervalEntry 4 } sonetPathIntervalUASs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION AToM MIB Working Group PAGE 38 RFC 1595 SONET/SDH Objects March 1994 "The counter associated with the number of Unavailable Seconds encountered by a Path in a particular 15-minute interval in the past 24 hours." ::= { sonetPathIntervalEntry 5 } -- The SONET/SDH Far End Path group -- This group consists of two tables: -- - SONET/SDH Far End Path Current Table -- - SONET/SDH Far End Path Interval Table -- The SONET/SDH Far End Path Current Table -- The SONET/SDH Far End Path Current table -- contains various statistics -- being collected for the current 15 minute interval. -- The statistics are collected from -- the far end block error code -- (FEBE) within the G1 byte of the Path Overhead. -- The definitions are the same as described for -- the near-end information. sonetFarEndPathCurrentTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetFarEndPathCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Far End Path Current table." ::= { sonetFarEndPath 1 } sonetFarEndPathCurrentEntry OBJECT-TYPE SYNTAX SonetFarEndPathCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Far End Path Current table." INDEX { ifIndex } ::= { sonetFarEndPathCurrentTable 1 } SonetFarEndPathCurrentEntry ::= SEQUENCE { sonetFarEndPathCurrentESs Gauge32, sonetFarEndPathCurrentSESs Gauge32, sonetFarEndPathCurrentCVs Gauge32, sonetFarEndPathCurrentUASs Gauge32 AToM MIB Working Group PAGE 39 RFC 1595 SONET/SDH Objects March 1994 } sonetFarEndPathCurrentESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far Far End Errored Seconds encountered by a SONET/SDH interface in the current 15 minute interval." ::= { sonetFarEndPathCurrentEntry 1 } sonetFarEndPathCurrentSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Severely Errored Seconds encountered by a SONET/SDH Path interface in the current 15 minute interval." ::= { sonetFarEndPathCurrentEntry 2 } sonetFarEndPathCurrentCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Coding Violations reported via the far end block error count encountered by a SONET/SDH Path interface in the current 15 minute interval." ::= { sonetFarEndPathCurrentEntry 3 } sonetFarEndPathCurrentUASs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Unavailable Seconds encountered by a SONET/SDH Path interface in the current 15 minute interval." AToM MIB Working Group PAGE 40 RFC 1595 SONET/SDH Objects March 1994 ::= { sonetFarEndPathCurrentEntry 4 } -- The SONET/SDH Far End Path Interval Table -- The SONET/SDH Far End Path Interval Table -- contains various statistics -- collected by each system over a maximum -- of the previous 24 hours of -- operation. The past 24 hours may be broken into 96 -- completed 15 minute intervals. -- A system is required to store at -- least 4 completed 15 minute interval. -- The default value is 32 intervals. sonetFarEndPathIntervalTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetFarEndPathIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Far End Path Interval table." ::= { sonetFarEndPath 2 } sonetFarEndPathIntervalEntry OBJECT-TYPE SYNTAX SonetFarEndPathIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Far End Path Interval table." INDEX { ifIndex, sonetFarEndPathIntervalNumber } ::= { sonetFarEndPathIntervalTable 1 } SonetFarEndPathIntervalEntry ::= SEQUENCE { sonetFarEndPathIntervalNumber Integer32, sonetFarEndPathIntervalESs Gauge32, sonetFarEndPathIntervalSESs Gauge32, sonetFarEndPathIntervalCVs Gauge32, sonetFarEndPathIntervalUASs Gauge32 } sonetFarEndPathIntervalNumber OBJECT-TYPE SYNTAX Integer32 (1..96) MAX-ACCESS not-accessible STATUS current AToM MIB Working Group PAGE 41 RFC 1595 SONET/SDH Objects March 1994 DESCRIPTION "A number between 1 and 96, which identifies the interval for which the set of statistics is available. The interval identified by 1 is the most recently completed 15 minute interval, and the interval identified by N is the interval immediately preceding the one identified by N-1." ::= { sonetFarEndPathIntervalEntry 1 } sonetFarEndPathIntervalESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Errored Seconds encountered by a SONET/SDH Path interface in a particular 15-minute interval in the past 24 hours." ::= { sonetFarEndPathIntervalEntry 2 } sonetFarEndPathIntervalSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Severely Errored Seconds encountered by a SONET/SDH Path interface in a particular 15-minute interval in the past 24 hours." ::= { sonetFarEndPathIntervalEntry 3 } sonetFarEndPathIntervalCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Coding Violations reported via the far end block error count encountered by a SONET/SDH Path interface in a particular 15-minute interval in the past 24 hours." ::= { sonetFarEndPathIntervalEntry 4 } AToM MIB Working Group PAGE 42 RFC 1595 SONET/SDH Objects March 1994 sonetFarEndPathIntervalUASs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Unavailable Seconds encountered by a SONET/SDH Path interface in a particular 15-minute interval in the past 24 hours." ::= { sonetFarEndPathIntervalEntry 5 } -- the SONET/SDH Virtual Tributary group -- this group consists of 2 tables: -- - the SONET/SDH VT Current Table -- - the SONET/SDH VT Interval Table -- For SDH signals, virtual tributaries are -- called VCs instead of VTs -- A VT1.5 = VC11 -- A VT2 = VC12 -- A VT3 = none -- A VT6 = VC3 -- the SONET/SDH VT Current Table -- The SONET/SDH VT current table -- contains various statistics -- being collected for the -- current 15 minute interval. sonetVTCurrentTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetVTCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH VT Current table." ::= { sonetVT 1 } sonetVTCurrentEntry OBJECT-TYPE SYNTAX SonetVTCurrentEntry MAX-ACCESS not-accessible STATUS current AToM MIB Working Group PAGE 43 RFC 1595 SONET/SDH Objects March 1994 DESCRIPTION "An entry in the SONET/SDH VT Current table." INDEX { ifIndex } ::= { sonetVTCurrentTable 1 } SonetVTCurrentEntry ::= SEQUENCE { sonetVTCurrentWidth INTEGER, sonetVTCurrentStatus Integer32, sonetVTCurrentESs Gauge32, sonetVTCurrentSESs Gauge32, sonetVTCurrentCVs Gauge32, sonetVTCurrentUASs Gauge32 } sonetVTCurrentWidth OBJECT-TYPE SYNTAX INTEGER { vtWidth15VC11(1), vtWidth2VC12(2), vtWidth3(3), vtWidth6VC2(4), vtWidth6c(5) } MAX-ACCESS read-write STATUS current DESCRIPTION "A value that indicates the type of the SONET VT and SDH VC. Assigned widths are VT1.5/VC11, VT2/VC12, VT3, VT6/VC2, and VT6c." ::= { sonetVTCurrentEntry 1 } sonetVTCurrentStatus OBJECT-TYPE SYNTAX Integer32 (1..30) MAX-ACCESS read-only STATUS current DESCRIPTION "This variable indicates the status of the interface. The sonetVTCurrentStatus is a bit map represented as a sum, therefore, it can represent multiple defects and failures simultaneously. The sonetVTNoDefect should be set if and only if no other flag is set. AToM MIB Working Group PAGE 44 RFC 1595 SONET/SDH Objects March 1994 The various bit positions are: 1 sonetVTNoDefect 2 sonetVTLOP 4 sonetVTPathAIS 8 sonetVTPathRDI 16 sonetVTPathRFI 32 sonetVTUnequipped 64 sonetVTSignalLabelMismatch" ::= { sonetVTCurrentEntry 2 } sonetVTCurrentESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Errored Seconds encountered by a SONET/SDH VT in the current 15 minute interval." ::= { sonetVTCurrentEntry 3 } sonetVTCurrentSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Seconds encountered by a SONET/SDH VT in the current 15 minute interval." ::= { sonetVTCurrentEntry 4 } sonetVTCurrentCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Coding Violations encountered by a SONET/SDH VT in the current 15 minute interval." ::= { sonetVTCurrentEntry 5 } sonetVTCurrentUASs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Unavailable Seconds AToM MIB Working Group PAGE 45 RFC 1595 SONET/SDH Objects March 1994 encountered by a VT in the current 15 minute, interval." ::= { sonetVTCurrentEntry 6 } -- the SONET/SDH VT Interval Table -- The SONET/SDH VT Interval Table -- contains various statistics -- collected by each system over a maximum -- of the previous 24 hours of -- operation. The past 24 hours may be broken into 96 -- completed 15 minute intervals. -- A system is required to store at -- least 4 completed 15 minute interval. -- The default value is 32 intervals. sonetVTIntervalTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetVTIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH VT Interval table." ::= { sonetVT 2 } sonetVTIntervalEntry OBJECT-TYPE SYNTAX SonetVTIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH VT Interval table." INDEX { ifIndex, sonetVTIntervalNumber } ::= { sonetVTIntervalTable 1 } SonetVTIntervalEntry ::= SEQUENCE { sonetVTIntervalNumber Integer32, sonetVTIntervalESs Gauge32, sonetVTIntervalSESs Gauge32, sonetVTIntervalCVs Gauge32, sonetVTIntervalUASs Gauge32 } sonetVTIntervalNumber OBJECT-TYPE SYNTAX Integer32 (1..96) MAX-ACCESS not-accessible AToM MIB Working Group PAGE 46 RFC 1595 SONET/SDH Objects March 1994 STATUS current DESCRIPTION "A number between 1 and 96, which identifies the interval for which the set of statistics is available. The interval identified by 1 is the most recently completed 15 minute interval, and the interval identified by N is the interval immediately preceding the one identified by N-1." ::= { sonetVTIntervalEntry 1 } sonetVTIntervalESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Errored Seconds encountered by a SONET/SDH VT in a particular 15-minute interval in the past 24 hours." ::= { sonetVTIntervalEntry 2 } sonetVTIntervalSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Seconds encountered by a SONET/SDH VT in a particular 15-minute interval in the past 24 hours." ::= { sonetVTIntervalEntry 3 } sonetVTIntervalCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Coding Violations encountered by a SONET/SDH VT in a particular 15-minute interval in the past 24 hours." ::= { sonetVTIntervalEntry 4 } sonetVTIntervalUASs OBJECT-TYPE SYNTAX Gauge32 AToM MIB Working Group PAGE 47 RFC 1595 SONET/SDH Objects March 1994 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Unavailable Seconds encountered by a VT in a particular 15-minute interval in the past 24 hours." ::= { sonetVTIntervalEntry 5 } -- The SONET/SDH Far End VT group -- This group consists of two tables: -- SONET/SDH Far End VT Current Table -- SONET/SDH Far End VT Interval Table -- The SONET/SDH Far End VT Current -- The SONET/SDH Far End VT Current table -- contains various statistics -- being collected for the current 15 minute interval. -- The statistics are collected from -- the far end block error code -- (FEBE) within the G1 byte of the VT Overhead. -- The definitions are the same as described for -- the near-end information. sonetFarEndVTCurrentTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetFarEndVTCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Far End VT Current table." ::= { sonetFarEndVT 1 } sonetFarEndVTCurrentEntry OBJECT-TYPE SYNTAX SonetFarEndVTCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Far End VT Current table." INDEX { ifIndex } ::= { sonetFarEndVTCurrentTable 1 } SonetFarEndVTCurrentEntry ::= SEQUENCE { sonetFarEndVTCurrentESs Gauge32, AToM MIB Working Group PAGE 48 RFC 1595 SONET/SDH Objects March 1994 sonetFarEndVTCurrentSESs Gauge32, sonetFarEndVTCurrentCVs Gauge32, sonetFarEndVTCurrentUASs Gauge32 } sonetFarEndVTCurrentESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far Far End Errored Seconds encountered by a SONET/SDH interface in the current 15 minute interval." ::= { sonetFarEndVTCurrentEntry 1 } sonetFarEndVTCurrentSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Severely Errored Seconds encountered by a SONET/SDH VT interface in the current 15 minute interval." ::= { sonetFarEndVTCurrentEntry 2 } sonetFarEndVTCurrentCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Coding Violations reported via the far end block error count encountered by a SONET/SDH VT interface in the current 15 minute interval." ::= { sonetFarEndVTCurrentEntry 3 } sonetFarEndVTCurrentUASs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Unavailable Seconds AToM MIB Working Group PAGE 49 RFC 1595 SONET/SDH Objects March 1994 encountered by a SONET/SDH VT interface in the current 15 minute interval." ::= { sonetFarEndVTCurrentEntry 4 } -- The SONET/SDH Far End VT Interval Table -- The SONET/SDH Far End VT Interval Table -- contains various statistics -- collected by each system over a maximum -- of the previous 24 hours of -- operation. The past 24 hours may be broken into 96 -- completed 15 minute intervals. -- A system is required to store at -- least 4 completed 15 minute interval. -- The default value is 32 intervals. sonetFarEndVTIntervalTable OBJECT-TYPE SYNTAX SEQUENCE OF SonetFarEndVTIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The SONET/SDH Far End VT Interval table." ::= { sonetFarEndVT 2 } sonetFarEndVTIntervalEntry OBJECT-TYPE SYNTAX SonetFarEndVTIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in the SONET/SDH Far End VT Interval table." INDEX { ifIndex, sonetFarEndVTIntervalNumber } ::= { sonetFarEndVTIntervalTable 1 } SonetFarEndVTIntervalEntry ::= SEQUENCE { sonetFarEndVTIntervalNumber Integer32, sonetFarEndVTIntervalESs Gauge32, sonetFarEndVTIntervalSESs Gauge32, sonetFarEndVTIntervalCVs Gauge32, sonetFarEndVTIntervalUASs Gauge32 } sonetFarEndVTIntervalNumber OBJECT-TYPE AToM MIB Working Group PAGE 50 RFC 1595 SONET/SDH Objects March 1994 SYNTAX Integer32 (1..96) MAX-ACCESS not-accessible STATUS current DESCRIPTION "A number between 1 and 96, which identifies the interval for which the set of statistics is available. The interval identified by 1 is the most recently completed 15 minute interval, and the interval identified by N is the interval immediately preceding the one identified by N-1." ::= { sonetFarEndVTIntervalEntry 1 } sonetFarEndVTIntervalESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Errored Seconds encountered by a SONET/SDH VT interface in a particular 15-minute interval in the past 24 hours." ::= { sonetFarEndVTIntervalEntry 2 } sonetFarEndVTIntervalSESs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Severely Errored Seconds encountered by a SONET/SDH VT interface in a particular 15-minute interval in the past 24 hours." ::= { sonetFarEndVTIntervalEntry 3 } sonetFarEndVTIntervalCVs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Coding Violations reported via the far end block error count encountered by a SONET/SDH VT interface in a AToM MIB Working Group PAGE 51 RFC 1595 SONET/SDH Objects March 1994 particular 15-minute interval in the past 24 hours." ::= { sonetFarEndVTIntervalEntry 4 } sonetFarEndVTIntervalUASs OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Far End Unavailable Seconds encountered by a SONET/SDH VT interface in a particular 15-minute interval in the past 24 hours." ::= { sonetFarEndVTIntervalEntry 5 } -- conformance information sonetConformance OBJECT IDENTIFIER ::= { sonetMIB 4 } sonetGroups OBJECT IDENTIFIER ::= { sonetConformance 1 } sonetCompliances OBJECT IDENTIFIER ::= { sonetConformance 2 } -- compliance statements sonetCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for SONET/SDH interfaces." MODULE -- this module MANDATORY-GROUPS { sonetMediumStuff, sonetSectionStuff } GROUP sonetLineStuff DESCRIPTION "Implementation of this group is mandatory for all SONET/SDH systems that terminate SONET/SDH Lines, Paths or Virtual Tributaries." GROUP sonetFarEndLineStuff DESCRIPTION "Implementation of this group is optional for all SONET/SDH systems that terminate SONET/SDH Lines, Paths or Virtual Tributaries, and that AToM MIB Working Group PAGE 52 RFC 1595 SONET/SDH Objects March 1994 provide for a far end block error (FEBE) information at the SONET/SDH Line Layer." GROUP sonetPathStuff DESCRIPTION "Implementation of this group is mandatory for all SONET/SDH systems that terminate SONET/SDH Paths or Virtual Tributaries." OBJECT sonetPathWidth MIN-ACCESS read-only DESCRIPTION "Write access is not required." GROUP sonetFarEndPathStuff DESCRIPTION "Implementation of this group is optional for all SONET/SDH systems that terminate SONET/SDH Paths or Virtual Tributaries, and that process Far End information." GROUP sonetVTStuff DESCRIPTION "Implementation of this group is mandatory for all SONET/SDH systems that terminate SONET/SDH Virtual Tributaries." OBJECT sonetVTWidth MIN-ACCESS read-only DESCRIPTION "Write access is not required." GROUP sonetFarEndVTStuff DESCRIPTION "Implementation of this group is optional for all SONET/SDH systems that terminate the SONET/SDH floating Virtual Tributaries, and that process Far End information." ::= { sonetCompliances 1 } -- units of conformance sonetMediumStuff OBJECT-GROUP OBJECTS { sonetMediumType, sonetMediumTimeElapsed, AToM MIB Working Group PAGE 53 RFC 1595 SONET/SDH Objects March 1994 sonetMediumValidIntervals, sonetMediumLineCoding, sonetMediumLineType, sonetMediumCircuitIdentifier } STATUS current DESCRIPTION "A collection of objects providing configuration information applicable to all SONET/SDH interfaces." ::= { sonetGroups 1 } sonetSectionStuff OBJECT-GROUP OBJECTS { sonetSectionCurrentStatus, sonetSectionCurrentESs, sonetSectionCurrentSESs, sonetSectionCurrentSEFSs, sonetSectionCurrentCVs, sonetSectionIntervalESs, sonetSectionIntervalSESs, sonetSectionIntervalSEFSs, sonetSectionIntervalCVs } STATUS current DESCRIPTION "A collection of objects providing information specific to SONET/SDH Section interfaces." ::= { sonetGroups 2 } sonetLineStuff OBJECT-GROUP OBJECTS { sonetLineCurrentStatus, sonetLineCurrentESs, sonetLineCurrentSESs, sonetLineCurrentCVs, sonetLineCurrentUASs, sonetLineIntervalESs, sonetLineIntervalSESs, sonetLineIntervalCVs, sonetLineIntervalUASs } STATUS current DESCRIPTION "A collection of objects providing information specific to SONET/SDH Line interfaces." ::= { sonetGroups 3 } sonetFarEndLineStuff OBJECT-GROUP OBJECTS { sonetFarEndLineCurrentESs, sonetFarEndLineCurrentSESs, sonetFarEndLineCurrentCVs, AToM MIB Working Group PAGE 54 RFC 1595 SONET/SDH Objects March 1994 sonetFarEndLineCurrentUASs, sonetFarEndLineIntervalESs, sonetFarEndLineIntervalSESs, sonetFarEndLineIntervalCVs, sonetFarEndLineIntervalUASs } STATUS current DESCRIPTION "A collection of objects providing information specific to SONET/SDH Line interfaces, and maintaining Line Far End information." ::= { sonetGroups 4 } sonetPathStuff OBJECT-GROUP OBJECTS { sonetPathCurrentWidth, sonetPathCurrentStatus, sonetPathCurrentESs, sonetPathCurrentSESs, sonetPathCurrentCVs, sonetPathCurrentUASs, sonetPathIntervalESs, sonetPathIntervalSESs, sonetPathIntervalCVs, sonetPathIntervalUASs } STATUS current DESCRIPTION "A collection of objects providing information specific to SONET/SDH Path interfaces." ::= { sonetGroups 5 } sonetFarEndPathStuff OBJECT-GROUP OBJECTS { sonetFarEndPathCurrentESs, sonetFarEndPathCurrentSESs, sonetFarEndPathCurrentCVs, sonetFarEndPathCurrentUASs, sonetFarEndPathIntervalESs, sonetFarEndPathIntervalSESs, sonetFarEndPathIntervalCVs, sonetFarEndPathIntervalUASs } STATUS current DESCRIPTION "A collection of objects providing information specific to SONET/SDH Path interfaces, and maintaining Path Far End information." ::= { sonetGroups 6 } sonetVTStuff OBJECT-GROUP OBJECTS { sonetVTCurrentWidth, sonetVTCurrentStatus, AToM MIB Working Group PAGE 55 RFC 1595 SONET/SDH Objects March 1994 sonetVTCurrentESs, sonetVTCurrentSESs, sonetVTCurrentCVs, sonetVTCurrentUASs, sonetVTIntervalESs, sonetVTIntervalSESs, sonetVTIntervalCVs, sonetVTIntervalUASs } STATUS current DESCRIPTION "A collection of objects providing information specific to SONET/SDH VT interfaces." ::= { sonetGroups 7 } sonetFarEndVTStuff OBJECT-GROUP OBJECTS { sonetFarEndVTCurrentESs, sonetFarEndVTCurrentSESs, sonetFarEndVTCurrentCVs, sonetFarEndVTCurrentUASs, sonetFarEndVTIntervalESs, sonetFarEndVTIntervalSESs, sonetFarEndVTIntervalCVs, sonetFarEndVTIntervalUASs } STATUS current DESCRIPTION "A collection of objects providing information specific to SONET/SDH VT interfaces, and maintaining VT Far End information." ::= { sonetGroups 8 } END 5. Acknowledgments This specification is a product of the AToM MIB Working Group. AToM MIB Working Group PAGE 56 RFC 1595 SONET/SDH Objects March 1994 6. References [1] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Structure of Management Information for version 2 of the Simple Network Management Protocol (SNMPv2)", RFC 1442, SNMP Research, Inc., Hughes LAN Systems, Dover Beach Consulting, Inc., Carnegie Mellon University, April 1993. [2] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Textual Conventions for version 2 of the the Simple Network Management Protocol (SNMPv2)", RFC 1443, SNMP Research, Inc., Hughes LAN Systems, Dover Beach Consulting, Inc., Carnegie Mellon University, April 1993. [3] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Conformance Statements for version 2 of the the Simple Network Management Protocol (SNMPv2)", RFC 1444, SNMP Research, Inc., Hughes LAN Systems, Dover Beach Consulting, Inc., Carnegie Mellon University, April 1993. [4] Galvin, J., and K. McCloghrie, "Administrative Model for version 2 of the Simple Network Management Protocol (SNMPv2)", RFC 1445, Trusted Information Systems, Hughes LAN Systems, April 1993. [5] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Protocol Operations for version 2 of the Simple Network Management Protocol (SNMPv2)", RFC 1448, SNMP Research, Inc., Hughes LAN Systems, Dover Beach Consulting, Inc., Carnegie Mellon University, April 1993. [6] McCloghrie, K., and M. Rose, "Management Information Base for Network Management of TCP/IP-based internets: MIB-II", STD 17, RFC 1213, Hughes LAN Systems, Inc., Performance Systems International, March 1991. [7] Information processing systems - Open Systems Interconnection - Specification of Abstract Syntax Notation One (ASN.1), International Organization for Standardization. International Standard 8824, (December, 1987). [8] Information processing systems - Open Systems Interconnection - Specification of Basic Encoding Rules for Abstract Notation One (ASN.1), International Organization for Standardization. International Standard 8825, (December, 1987). [9] American National Standard for Telecommunications - Digital Hierarchy - Optical Interface Rates and Formats Specification, ANSI T1.105-1988. AToM MIB Working Group PAGE 57 RFC 1595 SONET/SDH Objects March 1994 [9a] ANSI T1.105-1991. [10] American National Standard for Telecommunications - Digital Hierarchy - Optical Interface Specification (Single-Mode), ANSI T1.106-1988. [11] American National Standard for Telecommunications -- Layer 1 In- Service Digital Transmission Performance Monitoring T1M1.3/93- 005R2, July 1993. [12] McCloghrie, K., and F. Kastenholz, "Evolution of Interfaces Group of MIB-II", RFC 1573, Hughes LAN Systems, FTP Software, January 1994. [13] Cox, T., and K. Tesink, Editors, "Definitions of Managed Objects for the DS3/E3 Interface Type", RFC 1407, Bellcore, January 1993. [14] Baker, F., and J. Watt, Editors, "Definitions of Managed Objects for the DS1/E1 Interface Type", RFC 1406, Advanced Computer Communications, Newbridge Networks Corporation, January 1993. [15] CCITT Recommendation G.707, "Synchronous Digital Hierarchy Bit Rates", June 1992. [16] CCITT Recommendation G.708, "Network Node Interface for the Synchronous Digital Hierarchy", June 1992. [17] CCITT Recommendation G.709, "Synchronous Multiplexing Structure", June 1992. [18] CCITT Recommendation G.783, "Characteristics of Synchronous Digital Hierarchy (SDH) Multiplexing Equipment Functional Blocks", November 1992. AToM MIB Working Group PAGE 58 RFC 1595 SONET/SDH Objects March 1994 7. Security Considerations Security issues are not discussed in this memo. 8. Authors' Addresses Tracy A. Brown Bell Communications Research 331 Newman Springs Road P.O. Box 7020 Red Bank, NJ 07701-7020 Phone: (908) 758-2107 EMail: tacox@mail.bellcore.com Kaj Tesink Bell Communications Research 331 Newman Springs Road P.O. Box 7020 Red Bank, NJ 07701-7020 Phone: (908) 758-5254 EMail: kaj@cc.bellcore.com AToM MIB Working Group PAGE 59 Definitions of Managed Objects for the SONET/SDH Interface Type RFC TOTAL SIZE: 121937 bytes PUBLICATION DATE: Thursday, March 10th, 1994 LEGAL RIGHTS: The IETF Trust (see BCP 78)

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