Internet Engineering Task Force (IETF) D. Zelig, Ed.
Request for Comments: 6240 PMC-Sierra
Category: Standards Track R. Cohen, Ed.
ISSN: 2070-1721 Resolute Networks
T. Nadeau, Ed.
CA Technologies
May 2011
Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH)
Circuit Emulation over Packet (CEP) MIB Using SMIv2
Abstract
This memo defines a portion of the Management Information Base (MIB)
for use with network management protocols in the Internet community.
In particular, it describes managed objects for modeling Synchronous
Optical Network/Synchronous Digital Hierarchy (SONET/SDH) circuits
over a Packet Switch Network (PSN).
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc6240.
Copyright Notice
Copyright (c) 2011 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
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include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Zelig, et al. Standards Track [Page 1]
RFC 6240 PWE3 CEP MIB May 2011 This document may contain material from IETF Documents or IETF Contributions published or made publicly available before November 10, 2008. The person(s) controlling the copyright in some of this material may not have granted the IETF Trust the right to allow modifications of such material outside the IETF Standards Process. Without obtaining an adequate license from the person(s) controlling the copyright in such materials, this document may not be modified outside the IETF Standards Process, and derivative works of it may not be created outside the IETF Standards Process, except to format it for publication as an RFC or to translate it into languages other than English. Table of Contents 1. Introduction ....................................................3 2. Conventions Used in This Document ...............................3 3. Terminology .....................................................3 4. The Internet-Standard Management Framework ......................4 5. Feature Checklist ...............................................4 6. MIB Module Description and Usage ................................5 6.1. PW-CEP-STD-MIB Summary .....................................5 6.2. MIB Modules Required for IMPORTS ...........................5 6.3. PW-STD-MIB Module Usage ....................................6 6.4. PW-CEP-STD-MIB Module Usage ................................6 6.5. Example of PW-CEP-STD-MIB Usage ............................7 7. Object Definitions ..............................................8 8. Security Considerations ........................................64 9. IANA Considerations ............................................65 10. References ....................................................65 10.1. Normative References .....................................65 10.2. Informative References ...................................66 11. Contributors ..................................................67 Zelig, et al. Standards Track [Page 2]
RFC 6240 PWE3 CEP MIB May 2011 1. Introduction This document describes a model for managing encapsulated SONET/SDH Time Division Multiplexed (TDM) digital signals for transmission over a Packet Switched Network (PSN). This document is closely related to [RFC4842], which describes the technology to encapsulate TDM signals and provides the Circuit Emulation Service over a Packet Switched Network (PSN). The model for Circuit Emulation over Packet (CEP) management is a MIB module. The PW-CEP-STD-MIB module described in this document works closely with the MIB modules described in [RFC5601] and the textual conventions defined in [RFC5542]. In the spirit of [RFC2863], a CEP connection will be a pseudowire (PW) and will therefore not be represented in the ifTable. CEP is currently specified to carry "structured" SONET/SDH paths, meaning that each SONET/SDH path or Virtual Tributary (VT) within the section/line/path can be processed separately. The SONET/SDH section/line/path interface stack is modeled within [RFC3592]. This document adopts the definitions, acronyms, and mechanisms described in [RFC3985]. Unless otherwise stated, the mechanisms of [RFC3985] apply and will not be redescribed here. 2. Conventions Used in This Document The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in [RFC2119]. 3. Terminology CEP terminology comes from [RFC4842], which describes a mechanism for transporting SONET/SDH Time Division Multiplexed (TDM) digital signals over a packet-oriented network. The mechanism for structured emulation (as outlined in [RFC4842]) terminates the SONET/SDH section and line overhead and then breaks the SONET/SDH path's Synchronous Payload Envelope (SPE) into fragments for transmission over a PSN. Mechanisms for terminating the SONET/SDH path overhead and extracting SONET VTs are also described in [RFC4842]. Mechanisms for fractional SONET/SDH SPE emulation are described in [RFC4842]. A CEP header that contains a sequence number and pointer adjustment information is appended at the beginning of each fragment to provide information regarding where the SPE begins within the packet stream (see [RFC4842]). Zelig, et al. Standards Track [Page 3]
RFC 6240 PWE3 CEP MIB May 2011 "Outbound" references the traffic direction in which a SONET/SDH path's payload (SPE) is received, adapted to packet, assigned a PW label, and sent into the PSN. Conversely, "inbound" is the direction in which packets are received from the PSN and packet payloads are reassembled back into an SPE and inserted as a SONET/SDH path into the SONET/SDH section and line. Since a SONET/SDH path is bidirectional and symmetrical, CEP uses the same SONET/SDH timeslot, SONET/SDH width, and packet size. Inbound and outbound PW labels may differ. 4. The Internet-Standard Management Framework For a detailed overview of the documents that describe the current Internet-Standard Management Framework, please refer to section 7 of RFC 3410 [RFC3410]. Managed objects are accessed via a virtual information store, termed the Management Information Base or MIB. MIB objects are generally accessed through the Simple Network Management Protocol (SNMP). Objects in the MIB are defined using the mechanisms defined in the Structure of Management Information (SMI). This memo specifies a MIB module that is compliant to the SMIv2, which is described in STD 58, RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58, RFC 2580 [RFC2580]. 5. Feature Checklist The PW-CEP-STD-MIB module is designed to satisfy the following requirements and constraints: - The MIB module is designed to work with the PW-STD-MIB [RFC5601] module. - The MIB module is independent of the PSN type. - The MIB module supports all the signal types as defined in [RFC4842]: SPE, fractional SPE, VT, both SONET and SDH mapping. The MIB module also supports all the optional features as defined in [RFC4842]. - The MIB module reports all the statistics as defined by [RFC4842]. Zelig, et al. Standards Track [Page 4]
RFC 6240 PWE3 CEP MIB May 2011 6. MIB Module Description and Usage For clarity of the description below, in most cases, we refer to the SONET path signal configuration only, but the same examples are applicable for SDH signals and VT-level processing as well, as described in [RFC3985]. 6.1. PW-CEP-STD-MIB Summary - The CEP PW Table (pwCepTable) contains the SONET/SDH path/VT ifIndex, SONET/SDH path timeslot, the pwCepCfgTable index, config error indications, and various status indications. - The CEP PW Configuration Parameter Table (pwCepCfgTable) has objects for CEP PW configuration. In situations where sets of config objects are common amongst more than one CEP PW, a single entry here may be referenced by many pwCepTable entries. - The CEP PW Performance Current Interval Table (pwCepPerfCurrentTable) contains CEP stats for the current 15-minute period. - The CEP Performance 15-Minute Interval Table (pwCepPerfIntervalTable) is similar to the pwCepPerfCurrentTable. It contains historical intervals (usually 96 15-minute entries to cover a 24-hour period). Note: the performance interval statistics are supported by CEP due to the very function of CEP, that is, processing SONET/SDH. See [RFC3592]. - The CEP Performance 1-Day Table (pwCepPerf1DayIntervalTable) contains statistics accumulated during the current day and contains previous days' historical statistics. - The CEP Fractional Table (pwCepFracTable) adds configuration and monitoring parameters for fractional SPE PWs. 6.2. MIB Modules Required for IMPORTS The PW-CEP-STD-MIB IMPORTS objects from SNMPv2-SMI [RFC2578], SNMPv2-TC [RFC2579], SNMPv2-CONF [RFC2580], SNMP-FRAMEWORK-MIB [RFC3411], PerfHist-TC-MIB [RFC3593], HC-PerfHist-TC-MIB [RFC3705], IF-MIB [RFC2863], PW-STD-MIB [RFC5601], and PW-TC-STD-MIB [RFC5542]. Zelig, et al. Standards Track [Page 5]
RFC 6240 PWE3 CEP MIB May 2011 6.3. PW-STD-MIB Module Usage The MIB module structure for defining a PW service is composed of three layers of MIB modules functioning together. This general model is defined in the Pseudowire Emulation Edge-to-Edge (PWE3) architecture [RFC3985]. The layering model is intended to sufficiently isolate PW services from the underlying PSN layer that carries the emulated service. This is done at the same time as providing a standard means for connecting any supported services to any supported PSNs. The first layer, known as the service layer, contains service- specific modules such as the one defined in this document. These modules define service-specific management objects that interface or collaborate with existing MIB modules for the native version of the service. The service-specific module "glues" the standard modules to the PWE3 MIB modules. The PW-CEP-STD-MIB module defined in this memo serves as one of the PW-type-specific MIB modules. The next layer of the PWE3 MIB framework is the PW-STD-MIB module [RFC5601]. This module is used to configure general parameters of PWs that are common to all types of emulated services and PSNs. This layer is connected to the service-specific layer above and the PSN layer below. The PSN layer provides PSN-specific modules for each type of PSN. These modules associate the PW with one or more "tunnels" that carry the service over the PSN. These modules are defined in other documents. This module is used to "glue" the PW service to the underlying PSN-specific MIB modules. 6.4. PW-CEP-STD-MIB Module Usage Configuring a CEP PW involves the following steps. (1) First, create an entry in the pwTable: - Follow steps as defined in [RFC5601]. (2) Configure the PSN tunnel in the respective PSN-specific PWE3 PSN glue MIB modules and the respective PSN-specific MIB modules. Configure the SONET path parameters: - Set the SONET path width in the sonetPathCurrentTable [RFC3592]. - Set the SONET path index and the SONET path starting timeslot in the pwCepTable. Zelig, et al. Standards Track [Page 6]
RFC 6240 PWE3 CEP MIB May 2011 NOTE: The agent creates an entry in the pwCepTable based on the entry created in the pwTable. (3) Configure the CEP PW: - If necessary, create an entry in the pwCepCfgTable (a suitable entry may already exist). Set packet length, etc. - Set the index of this pwCepCfgTable entry in the pwCepTable. (4) Observe the CEP PW: - Once a CEP PW is operational, the pwCepPerfCurrentTable, pwCepPerfIntervalTable, and pwCepPerf1DayIntervalTable can be used to monitor the various counts, indicators, and conditions of the PW. 6.5. Example of PW-CEP-STD-MIB Usage In this section, we provide an example of using the MIB objects described in Section 7 to set up a CEP PW. While this example is not meant to illustrate every permutation of the MIB, it is intended as an aid to understanding some of the key concepts. It is meant to be read after going through the MIB itself. See [RFC5601] for an example of setting up PSN tunnels. First, configure the SONET path width, starting timeslot, and associated CEP PW. In this case, an Synchronous Transport Signal 3c (STS-3c) starts at SONET timeslot 1 (and is distributed normally within the SONET frame). In the following example, the ifIndex for the sonetPathCurrentEntry is 23, while the pwCepCfgTable index is 9. In [RFC3592], sonetPathCurrentEntry (ifIndex = 23): { sonetPathCurrentWidth = 3, sonetPathCurrentStatus ... ... } Create an entry in the pwCepCfgTable (index = 9): { pwCepCfgSonetPaylaodLength = 783 -- payload bytes pwCepCfgMinPktLength = 0 -- no minimum pwCepCfgPktReorder = true pwCepCfgEnableDBA = unequipped Zelig, et al. Standards Track [Page 7]
RFC 6240 PWE3 CEP MIB May 2011 pwCepCfgRtpHdrSuppress = false pwCepCfgJtrBfrDepth = 500 -- micro-seconds pwCepCfgConsecPktsInsync = 2 -- Exit Loss of Packet -- Synchronization (LOPS) -- state pwCepCfgConsecMissingOutSync = 10 -- Enter LOPS state pwCepCfgPktErrorPlayOutValue = 0xFF -- All ones pwCepCfgMissingPktsToSes = 3 -- packets pwCepCfgSesToUas = 2 -- seconds pwCepCfgSecsToExitUas = 10 -- seconds pwCepCfgRowStatus = createAndGo } In the PW-STD-MIB module: Get a new index and create a new pwTable entry using pwIndexNext (here, the PW index = 83) and pwRowStatus. In this new entry, set pwType to 'cep'. The agent will create a new entry in the pwCepTable. Set the SONET path ifIndex, SONET path timeslot, and Cfg Table indexes within this new pwCep table entry: { pwCepSonetIfIndex = 23 -- Index of associated entry -- in sonetPathCurrent table pwCepCfgIndex = 9 -- Index of associated entry -- in pwCepCfg table (above) } 7. Object Definitions PW-CEP-STD-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-IDENTITY, OBJECT-TYPE, Integer32, Counter32, Unsigned32, Counter64, mib-2 FROM SNMPv2-SMI -- [RFC2578] MODULE-COMPLIANCE, OBJECT-GROUP FROM SNMPv2-CONF -- [RFC2580] TEXTUAL-CONVENTION, TruthValue, RowStatus, StorageType, TimeStamp FROM SNMPv2-TC -- [RFC2579] Zelig, et al. Standards Track [Page 8]
RFC 6240 PWE3 CEP MIB May 2011 SnmpAdminString FROM SNMP-FRAMEWORK-MIB -- [RFC3411] InterfaceIndexOrZero, InterfaceIndex FROM IF-MIB -- [RFC2863] PerfCurrentCount, PerfIntervalCount FROM PerfHist-TC-MIB -- [RFC3593] HCPerfCurrentCount, HCPerfIntervalCount, HCPerfTimeElapsed, HCPerfValidIntervals FROM HC-PerfHist-TC-MIB -- [RFC3705] pwIndex FROM PW-STD-MIB -- [RFC5601] PwCfgIndexOrzero FROM PW-TC-STD-MIB -- [RFC5542] ; -- The PW CEP MIB pwCepStdMIB MODULE-IDENTITY LAST-UPDATED "201105160000Z" -- 16 May 2011 00:00:00 GMT ORGANIZATION "Pseudowire Emulation Edge-to-Edge (PWE3) Working Group" CONTACT-INFO "David Zelig (Ed.) Email: david_zelig@pmc-sierra.com Ron Cohen (Ed.) Email: ronc@resolutenetworks.com Thomas D. Nadeau (Ed.) Email: Thomas.Nadeau@ca.com The PWE3 Working Group Email: pwe3@ietf.org (email distribution) http://www.ietf.org/html.charters/pwe3-charter.html" DESCRIPTION "This MIB module contains managed object definitions for Circuit Emulation over Packet (CEP) as in [RFC4842]: Malis, A., Prayson, P., Cohen, R., and D. Zelig. 'Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)', RFC 4842. Zelig, et al. Standards Track [Page 9]
RFC 6240 PWE3 CEP MIB May 2011 Copyright (c) 2011 IETF Trust and the persons identified as authors of the code. All rights reserved. Redistribution and use in source and binary forms, with or without modification, is permitted pursuant to, and subject to the license terms contained in, the Simplified BSD License set forth in Section 4.c of the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info)." -- Revision history REVISION "201105160000Z" -- 16 May 2011 00:00:00 GMT DESCRIPTION "This MIB module published as part of RFC 6240." ::= { mib-2 200 } -- Local textual conventions PwCepSonetEbm ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "Equipped Bit Mask (EBM) used for fractional STS-1/Virtual Circuit 3 (VC-3). The EBM bits are the 28 least significant bits out of the 32-bit value." SYNTAX Unsigned32 PwCepSdhVc4Ebm ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "Equipped Bit Mask (EBM) used for each Tributary Unit Group 3 (TUG-3) in fractional VC-4 circuits. The EBM bits are the 30 least significant bits out of the 32-bit value." SYNTAX Unsigned32 PwCepSonetVtgMap ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "The VT/VC types carried in the 7 VT groups (VTGs)/TUG-2s. The format is 28 bits in the form of an Equipped Bit Mask (EBM) for fractional STS-1/VC-3. The mapping specifies the maximal occupancies of VT/VC within each VTG/TUG-2. For example, all four bits are set to 1 in this object to represent a VTG carrying VT1.5/VC11s, while only three are set when VT2/VC12s are carried within this VTG. The relevant bits are the 28 least significant bits out of the 32-bit value." SYNTAX Unsigned32 Zelig, et al. Standards Track [Page 10]
RFC 6240 PWE3 CEP MIB May 2011 PwCepFracAsyncMap ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "The type of asynchronous mapping carried inside STS-1, VC-3, or TUG-3 containing TU-3 circuit." SYNTAX INTEGER { other ( 1), ds3 ( 2), e3 ( 3) } -- Top-level components of this MIB module -- Tables, Scalars pwCepObjects OBJECT IDENTIFIER ::= { pwCepStdMIB 1 } -- Conformance pwCepConformance OBJECT IDENTIFIER ::= { pwCepStdMIB 2 } -- CEP PW Table pwCepTable OBJECT-TYPE SYNTAX SEQUENCE OF PwCepEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table contains objects and parameters for managing and monitoring the CEP PW." ::= { pwCepObjects 1 } pwCepEntry OBJECT-TYPE SYNTAX PwCepEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Each entry represents the association of a SONET/SDH path or VT to a PW. This table is indexed by the pwIndex of the applicable PW entry in the pwTable. An entry is created in this table by the agent for every entry in the pwTable with a pwType equal to 'cep'. All read-write objects in this table MAY be changed at any time; however, change of some objects (for example pwCepCfgIndex) during PW forwarding state may cause traffic disruption. Zelig, et al. Standards Track [Page 11]
RFC 6240 PWE3 CEP MIB May 2011 Manual entries in this table SHOULD be preserved after a reboot. The agent MUST ensure the integrity of those entries. If the set of entries of a specific row are found to be inconsistent after reboot, the PW pwOperStatus MUST be declared as notPresent(5)." INDEX { pwIndex } ::= { pwCepTable 1 } PwCepEntry ::= SEQUENCE { pwCepType INTEGER, pwCepSonetIfIndex InterfaceIndexOrZero, pwCepSonetConfigErrorOrStatus BITS, pwCepCfgIndex PwCfgIndexOrzero, pwCepTimeElapsed HCPerfTimeElapsed, pwCepValidIntervals HCPerfValidIntervals, pwCepIndications BITS, pwCepLastEsTimeStamp TimeStamp, pwCepPeerCepOption Unsigned32 } pwCepType OBJECT-TYPE SYNTAX INTEGER { spe (1), vt (2), fracSpe (3) } MAX-ACCESS read-write STATUS current DESCRIPTION "Specifies the sub-type of CEP PW. Currently only structured types are supported: 'spe'(1) : SONET STS-Nc signals. 'vt' (2) : SONET VT-x (x=1.5,2,3,6) signals. 'fracSpe' (3) : SONET fractional STS-1 or SDH fractional VC-3 or VC-4 carrying tributaries or asynchronous signals. Support of 'vt' mode or 'fracSpe' mode is optional." DEFVAL { spe } ::= { pwCepEntry 1 } Zelig, et al. Standards Track [Page 12]
RFC 6240 PWE3 CEP MIB May 2011 pwCepSonetIfIndex OBJECT-TYPE SYNTAX InterfaceIndexOrZero MAX-ACCESS read-write STATUS current DESCRIPTION "This is a unique index within the ifTable. It represents the interface index for the SONET path for SPE emulation ([RFC3592], Section 3.3), an interface index for the SONET VT ([RFC3592], Section 3.4) if the VT to be emulated is extracted from a SONET signal or locally mapped from a physical interface. A value of zero indicates an interface index that has yet to be determined. Once set, if the SONET ifIndex is (for some reason) later removed, the agent MAY delete the associated PW rows (e.g., this pwCepTableEntry). If the agent does not delete the rows, it is RECOMMENDED that the agent set this object to zero." ::= { pwCepEntry 2 } pwCepSonetConfigErrorOrStatus OBJECT-TYPE SYNTAX BITS { other ( 0), timeslotInUse ( 1), timeslotMisuse ( 2), peerDbaIncompatible ( 3), -- Status only peerEbmIncompatible ( 4), peerRtpIncompatible ( 5), peerAsyncIncompatible ( 6), peerDbaAsymmetric ( 7), -- Status only peerEbmAsymmetric ( 8), peerRtpAsymmetric ( 9), peerAsyncAsymmetric (10) } MAX-ACCESS read-only STATUS current DESCRIPTION "This object reports a configuration mismatch inside the local node or between the local node and the peer node. Some bits indicate an error, and some are simply status reports that do not affect the forwarding process. 'timeslotInUse'(1) is set when another CEP PW has already reserved a timeslot (or timeslots) that this CEP PW is attempting to reserve. Zelig, et al. Standards Track [Page 13]
RFC 6240 PWE3 CEP MIB May 2011 'timeslotMisuse'(2) is set when the stated timeslot this PW is trying to use is not legal, for example, if specifying a starting timeslot of 45 for a SONET path of an STS-12c width. The peerZZZIncompatible bits are set if the local configuration is not compatible with the peer configuration as available from the CEP option received from the peer through the signaling process and the local node cannot support such asymmetric configuration. The peerZZZAsymmetric bits are set if the local configuration is not compatible with the peer configuration as available from the CEP option received from the peer through the signaling process, but the local node can support such asymmetric configuration." REFERENCE "Malis, A., et al., 'Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)', RFC 4842, Section 12." ::= { pwCepEntry 3 } pwCepCfgIndex OBJECT-TYPE SYNTAX PwCfgIndexOrzero MAX-ACCESS read-write STATUS current DESCRIPTION "Index to CEP configuration table below. Multiple CEP PWs MAY share a single pwCepCfgEntry. The value 0 indicates that no entries are available." ::= { pwCepEntry 4 } pwCepTimeElapsed OBJECT-TYPE SYNTAX HCPerfTimeElapsed UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "The number of seconds, including partial seconds, that have elapsed since the beginning of the current measurement period. If, for some reason such as an adjustment in the system's time-of-day clock, the current interval exceeds the maximum value, the agent will return the maximum value." ::= { pwCepEntry 5 } Zelig, et al. Standards Track [Page 14]
RFC 6240 PWE3 CEP MIB May 2011 pwCepValidIntervals OBJECT-TYPE SYNTAX HCPerfValidIntervals MAX-ACCESS read-only STATUS current DESCRIPTION "The number (n) of previous 15-minute intervals for which data was collected. An agent with CEP capability MUST be capable of supporting at least 4 intervals. The RECOMMENDED default value for n is 32, and n MUST NOT exceed 96." ::= { pwCepEntry 6 } pwCepIndications OBJECT-TYPE SYNTAX BITS { missingPkt ( 0), ooRngDropped( 1), jtrBfrUnder ( 2), pktMalformed( 3), lops ( 4), cepRdi ( 5), cepAis ( 6), badHdrStack ( 7), cepNeFailure( 8), cepFeFailure( 9) } MAX-ACCESS read-write STATUS current DESCRIPTION "Definitions: 'missingPkt'(0) - While playing out a sequence of packets, at least one packet was determined to be missing based on a gap in the CEP sequence number. Note: If the implementation supports packet reordering, detecting gaps SHOULD take place as they are played out, not as they arrive. This provides time for misordered packets to arrive late. 'ooRngDropped'(1) - At least one packet arrived outside the range of the jitter buffer. This may be because the jitter buffer is full or the sequence number addresses a buffer outside the current jitter buffer range or an already occupied buffer within range. Whether or not packet reordering is supported by the implementation, this indication MUST be supported. Zelig, et al. Standards Track [Page 15]
RFC 6240 PWE3 CEP MIB May 2011 'jtrBfrUnder'(2) - The jitter buffer underflowed because not enough packets arrived as packets were being played out. 'pktMalformed'(3) - Any error related to unexpected packet format (except bad header stack) or unexpected length. 'lops'(4) - Loss of Packet Synchronization. 'cepRdi'(5) - Circuit Emulation over Packet Remote Defect Indication. Remote Defect Indication (RDI) is generated by the remote CEP de-packetizer when LOPS is detected. 'cepAis'(6) - Remote CEP packetizer has detected an Alarm Indication Signal (AIS) on its incoming SONET stream. cepAis MUST NOT (in itself) cause a CEP PW down notification. 'badHdrStack'(7) - Set when the number of CEP header extensions detected in incoming packets does not match the expected number. 'cepNeFailure'(8) - Set when CEP-NE failure is currently declared. 'cepFeFailure'(8) - Set when CEP-FE failure is currently declared. This object MUST hold the accumulated indications until the next SNMP write that clear the indication(s). Writing a non-zero value MUST fail. Currently, there is no hierarchy of CEP defects. The algorithm used to capture these indications is implementation specific." ::= { pwCepEntry 7 } Zelig, et al. Standards Track [Page 16]
RFC 6240 PWE3 CEP MIB May 2011 pwCepLastEsTimeStamp OBJECT-TYPE SYNTAX TimeStamp MAX-ACCESS read-only STATUS current DESCRIPTION "The value of sysUpTime on the most recent occasion at which the CEP PW entered the Errored Seconds (ES) or Severely Errored Seconds (SES) state." ::= { pwCepEntry 8 } pwCepPeerCepOption OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-only STATUS current DESCRIPTION "The value of the CEP option parameter as received from the peer by the PW signaling protocol." ::= { pwCepEntry 9 } -- End of CEP PW Table -- Obtain index for PW CEP Configuration Table entries pwCepCfgIndexNext OBJECT-TYPE SYNTAX PwCfgIndexOrzero MAX-ACCESS read-only STATUS current DESCRIPTION "This object contains an appropriate value to be used for pwCepCfgIndex when creating entries in the pwCepCfgTable. The value 0 indicates that no unassigned entries are available. To obtain the value of pwCepCfgIndex for a new entry in the pwCepCfgTable, the manager issues a management protocol retrieval operation to obtain the current value of pwCepCfgIndex. After each retrieval operation, the agent should modify the value to reflect the next unassigned index. After a manager retrieves a value, the agent will determine through its local policy when this index value will be made available for reuse." ::= { pwCepObjects 2 } Zelig, et al. Standards Track [Page 17]
RFC 6240 PWE3 CEP MIB May 2011 -- CEP PW Configuration Table pwCepCfgTable OBJECT-TYPE SYNTAX SEQUENCE OF PwCepCfgEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table contains a set of parameters that may be referenced by one or more CEP PWs by pwCepTable." ::= { pwCepObjects 3 } pwCepCfgEntry OBJECT-TYPE SYNTAX PwCepCfgEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "These parameters define the characteristics of a CEP PW. They are grouped here to ease Network Management System (NMS) burden. Once an entry is created here, it may be reused by many PWs. By default, all the read-create objects MUST NOT be changed after row activation unless specifically indicated in the individual object description. If the operator wishes to change value of a read-create object, the pwCepCfgRowStatus MUST be set to notInService(2). The agent MUST NOT allow the change of the pwCepCfgRowStatus from the active(1) state for pwCepCfgEntry, which is in use by at least one active PW. Manual entries in this table SHOULD be preserved after a reboot, the agent MUST ensure the integrity of those entries. If the set of entries of a specific row are found to be inconsistent after reboot, the affected PWs' pwOperStatus MUST be declared as notPresent(5)." INDEX { pwCepCfgTableIndex } ::= { pwCepCfgTable 1 } PwCepCfgEntry ::= SEQUENCE { pwCepCfgTableIndex Unsigned32, pwCepSonetPayloadLength Unsigned32, pwCepCfgMinPktLength Unsigned32, pwCepCfgPktReorder TruthValue, Zelig, et al. Standards Track [Page 18]
RFC 6240 PWE3 CEP MIB May 2011 pwCepCfgEnableDBA BITS, pwCepCfgRtpHdrSuppress TruthValue, pwCepCfgJtrBfrDepth Unsigned32, pwCepCfgConsecPktsInsync Unsigned32, pwCepCfgConsecMissingOutSync Unsigned32, pwCepCfgPktErrorPlayOutValue Unsigned32, pwCepCfgMissingPktsToSes Unsigned32, pwCepCfgSesToUas Unsigned32, pwCepCfgSecsToExitUas Unsigned32, pwCepCfgName SnmpAdminString, pwCepCfgRowStatus RowStatus, pwCepCfgStorageType StorageType } pwCepCfgTableIndex OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) MAX-ACCESS not-accessible STATUS current DESCRIPTION "Primary index to this table." ::= { pwCepCfgEntry 1 } pwCepSonetPayloadLength OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "The number of SONET bytes of the Path or VT carried as payload within one packet. For example, for STS-1/VC-3 SPE circuits, a value of 783 bytes indicates that each packet carries the payload equivalent to one frame. For VT1.5/VC11 circuits, a payload length of 104 bytes indicates that each packet carries payload equivalent to one VT1.5 super-frame. The actual payload size may be different due to bandwidth reduction modes, e.g., Dynamic Bandwidth Allocation (DBA) mode or dynamically assigned fractional SPE. This length applies to inbound and outbound packets carrying user payload. Although there is no control over inbound packets, those of illegal length are discarded and accounted for (see pwCepPerf...Malformed.) Zelig, et al. Standards Track [Page 19]
RFC 6240 PWE3 CEP MIB May 2011 The default values are determined by the pwCepType: 783 for pwCepType equal to spe(2) or fracSpe(3). For vt(3) modes, the applicable super-frame payload size is the default value." REFERENCE "Malis, A., et al., 'Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)', RFC 4842, Sections 5.1 and 12.1" ::= { pwCepCfgEntry 2 } pwCepCfgMinPktLength OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines the minimum CEP packet length in number of bytes (including CEP header and payload). It applies to CEP's bandwidth-savings packets. Currently, DBA is the only bandwidth-savings packet type (in the future, CEP may support compression). Minimum packet length is necessary in some systems or networks. Setting zero here indicates that there is no minimum packet restriction." DEFVAL { 0 } ::= { pwCepCfgEntry 3 } pwCepCfgPktReorder OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "This object defines if reordering is applied for incoming packets. If set 'true', as inbound packets are queued in the jitter buffer, out-of-order packets are reordered. The maximum sequence number differential (i.e., the range in which resequencing can occur) is dependant on the depth of the jitter buffer. If the local agent supports packet reordering, the default value SHOULD be set to 'true'; otherwise, this value SHOULD be set to 'false'." ::= { pwCepCfgEntry 4 } Zelig, et al. Standards Track [Page 20]
RFC 6240 PWE3 CEP MIB May 2011 pwCepCfgEnableDBA OBJECT-TYPE SYNTAX BITS { ais (0), unequipped (1) } MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines when DBA is applied for packets sent toward the PSN. Setting 'ais' MUST cause CEP packet payload suppression when AIS is detected on the associated SONET path. Similarly, 'unequipped' MUST cause payload suppression when an unequipped condition is detected on the SONET/SDH PATH/VT. During DBA condition, CEP packets will continue to be sent, but with indicators set in the CEP header instructing the remote to play all ones (for AIS) or all zeros (for unequipped) onto its SONET/SDH path. NOTE: Some implementations may not support this feature. In these cases, this object should be read-only." REFERENCE "Malis, A., et al., 'Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)', RFC 4842, Section 11.1." ::= { pwCepCfgEntry 5 } pwCepCfgRtpHdrSuppress OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-create STATUS current DESCRIPTION "If this object is set to 'true', an RTP header is not prepended to the CEP packet." REFERENCE "Malis, A., et al., 'Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)', RFC 4842, Section 5.3." DEFVAL { true } ::= { pwCepCfgEntry 6 } Zelig, et al. Standards Track [Page 21]
RFC 6240 PWE3 CEP MIB May 2011 pwCepCfgJtrBfrDepth OBJECT-TYPE SYNTAX Unsigned32 UNITS "micro-seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines the number of microseconds of expected packet delay variation for this CEP PW over the PSN. The actual jitter buffer MUST be at least twice this value for proper operation. If configured to a value not supported by the implementation, the agent MUST reject the SNMP Set operation." REFERENCE "The control of jitter and wander within digital networks which are based on the synchronous digital hierarchy (SDH), ITU-T Recommendation G.825." ::= { pwCepCfgEntry 7 } -- -- The following counters work together to integrate (filter) -- errors and the lack of errors on the CEP PW. An error is -- caused by a missing packet. Missing packets can be a result -- of packet loss in the network, (uncorrectable) packet out -- of sequence, packet-length error, jitter-buffer overflow, -- and jitter-buffer underflow. The result declares whether -- or not the CEP PW is in Loss of Packet Sync (LOPS) state. -- pwCepCfgConsecPktsInsync OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "Consecutive packets with sequential sequence numbers required to exit the LOPS state." REFERENCE "Malis, A., et al., 'Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)', RFC 4842, Section 6.2.2." DEFVAL { 2 } ::= { pwCepCfgEntry 8 } Zelig, et al. Standards Track [Page 22]
RFC 6240 PWE3 CEP MIB May 2011 pwCepCfgConsecMissingOutSync OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "Consecutive missing packets required to enter the LOPS state." REFERENCE "Malis, A., et al., 'Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)', RFC 4842, Section 6.2.2." DEFVAL { 10 } ::= { pwCepCfgEntry 9 } pwCepCfgPktErrorPlayOutValue OBJECT-TYPE SYNTAX Unsigned32 (0..255) MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines the value played when inbound packets have over/underflowed the jitter buffer or are missing for any reason. This byte pattern is sent (played) on the SONET path." DEFVAL { 255 } -- Play all ones, equal to AIS indications ::= { pwCepCfgEntry 10 } pwCepCfgMissingPktsToSes OBJECT-TYPE SYNTAX Unsigned32 UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The number of missing packets detected (consecutive or not) within a 1-second window to cause a Severely Errored Second (SES) to be counted." REFERENCE "Malis, A., et al., 'Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)', RFC 4842, Section 10.1." DEFVAL { 3 } ::= { pwCepCfgEntry 11 } Zelig, et al. Standards Track [Page 23]
RFC 6240 PWE3 CEP MIB May 2011 pwCepCfgSesToUas OBJECT-TYPE SYNTAX Unsigned32 UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The number of consecutive SESs before declaring PW in Unavailable Seconds (UAS) state (at which point pwCepPerfUASs starts counting). The SesToUas default value is 10 seconds. NOTE: Similar to [RFC3592], if the agent chooses to update the various performance statistics in real time, it MUST be prepared to retroactively reduce the ES and SES counts by this value and increase the UAS count by this value when it determines that UAS state has been entered. NOTE: See pwCepPerfSESs and pwCepPerfUASs." REFERENCE "Malis, A., et al., 'Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)', RFC 4842, Section 10.1." DEFVAL { 10 } ::= { pwCepCfgEntry 12 } pwCepCfgSecsToExitUas OBJECT-TYPE SYNTAX Unsigned32 UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The number of consecutive nonSESs before declaring PW is NOT in UAS state (at which point pwCepPerfUASs stops counting)." REFERENCE "Malis, A., et al., 'Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)', RFC 4842, Section 10.1." DEFVAL { 10 } ::= { pwCepCfgEntry 13 } pwCepCfgName OBJECT-TYPE SYNTAX SnmpAdminString MAX-ACCESS read-create STATUS current Zelig, et al. Standards Track [Page 24]
RFC 6240 PWE3 CEP MIB May 2011 DESCRIPTION "This variable contains the name of the Configuration entry. This name may be used to help the NMS to display the purpose of the entry." ::= { pwCepCfgEntry 14 } pwCepCfgRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "For creating, modifying, and deleting this row. None of the read-create objects' values can be changed when pwCepCfgRowStatus is in the active(1) state. Changes are allowed when the pwRowStatus is in notInService(2) or notReady(3) states only. If the operator needs to change one of the values for an active row (for example, in order to fix a mismatch in configuration between the local node and the peer), the pwCepCfgRowStatus should be first changed to notInService(2). The objects may be changed now and later changed to active(1) in order to re-initiate the signaling process with the new values in effect. Change of status from the active(1) state or deleting a row SHOULD be blocked by the local agent if the row is referenced by any pwCepEntry those pwRowStatus is in the active(1) state." ::= { pwCepCfgEntry 15 } pwCepCfgStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "This object indicates the storage type for this row." DEFVAL { nonVolatile } ::= { pwCepCfgEntry 16 } -- End of CEP PW Configuration Parameter Table Zelig, et al. Standards Track [Page 25]
RFC 6240 PWE3 CEP MIB May 2011 -- CEP Fractional Table pwCepFracTable OBJECT-TYPE SYNTAX SEQUENCE OF PwCepFracEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table contains a set of parameters for CEP PWs with pwCepType FRAC type." ::= { pwCepObjects 4 } pwCepFracEntry OBJECT-TYPE SYNTAX PwCepFracEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "There are two options for creating an entry in this table: - By the Element Management System (EMS) in advance for creating the PW. - By the agent automatically when the PW is set up. The first option is typically used when there is a native service processing (NSP) cross-connect option between the physical ports and the emulated (virtual ports), while the second MAY be used when there is a one-to-one mapping between the emulated signal and the physical signal." INDEX { pwCepFracIndex } ::= { pwCepFracTable 1 } PwCepFracEntry ::= SEQUENCE { pwCepFracIndex InterfaceIndex, pwCepFracMode INTEGER, pwCepFracConfigError BITS, pwCepFracAsync PwCepFracAsyncMap, pwCepFracVtgMap PwCepSonetVtgMap, pwCepFracEbm PwCepSonetEbm, pwCepFracPeerEbm PwCepSonetEbm, pwCepFracSdhVc4Mode INTEGER, pwCepFracSdhVc4Tu3Map1 PwCepFracAsyncMap, pwCepFracSdhVc4Tu3Map2 PwCepFracAsyncMap, pwCepFracSdhVc4Tu3Map3 PwCepFracAsyncMap, pwCepFracSdhVc4Tug2Map1 PwCepSonetVtgMap, pwCepFracSdhVc4Tug2Map2 PwCepSonetVtgMap, pwCepFracSdhVc4Tug2Map3 PwCepSonetVtgMap, Zelig, et al. Standards Track [Page 26]
RFC 6240 PWE3 CEP MIB May 2011 pwCepFracSdhVc4Ebm1 PwCepSdhVc4Ebm, pwCepFracSdhVc4Ebm2 PwCepSdhVc4Ebm, pwCepFracSdhVc4Ebm3 PwCepSdhVc4Ebm, pwCepFracSdhVc4PeerEbm1 PwCepSdhVc4Ebm, pwCepFracSdhVc4PeerEbm2 PwCepSdhVc4Ebm, pwCepFracSdhVc4PeerEbm3 PwCepSdhVc4Ebm, pwCepFracRowStatus RowStatus, pwCepFracStorageType StorageType } pwCepFracIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS not-accessible STATUS current DESCRIPTION "This is the index of this table. It is a unique index within the ifTable. It represents the interface index for the SONET path ([RFC3592], Section 3.3) for fractional SPE emulation. It may represent an internal (virtual) interface if an NSP function exists between the physical interface and the emulation process." ::= { pwCepFracEntry 1 } pwCepFracMode OBJECT-TYPE SYNTAX INTEGER { notApplicable ( 1), dynamic ( 2), static ( 3), staticWithEbm ( 4), staticAsync ( 5) } MAX-ACCESS read-create STATUS current DESCRIPTION "Fractional mode for STS-1/VC-3 or VC-4 circuits: notApplicable - When this object is not applicable. dynamic - EBM carried within the CEP header. Unequipped VTs are removed from the payload on the fly. static - EBM not carried within the CEP header. Only VTs defined in the EBM are carried within the payload. staticWithEbm - EBM carried within the CEP header. Only VTs defined in the EBM are carried within the payload. staticAsync - Asynchronous E3/T3 fixed byte removal only." Zelig, et al. Standards Track [Page 27]
RFC 6240 PWE3 CEP MIB May 2011 DEFVAL { dynamic } ::= { pwCepFracEntry 2 } pwCepFracConfigError OBJECT-TYPE SYNTAX BITS { other ( 0), vtgMapEbmConflict ( 1), vtgMapAsyncConflict ( 2) } MAX-ACCESS read-only STATUS current DESCRIPTION "vtgMapEbmConflict(1) is set when the configured static EBM does not match the configured vtgMap for fractional STS-1/VC-3 circuits or when the TUG2Map is in conflict with the static EBM for VC-4 circuits, for example, if the vtgMap specifies that VTG#1 carries VT2 VTs while the EBM indicate that four VTs are equipped within VTG#1. vtgMapAsyncConflict(2) is set when there is a conflict between the mode, the async indication, and the vtgMap fields. For example, fractional mode is set to staticAsync while the VtgMap indicates that the STS-1/VC-3 carries VTs, or both async1 and Tug2Map are set in fractional VC-4 circuits." ::= { pwCepFracEntry 3 } pwCepFracAsync OBJECT-TYPE SYNTAX PwCepFracAsyncMap MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines the asynchronous payload carried within the STS-1/VC-3. This object is applicable when pwCepFracMode equals 'staticAsync' and MUST equal to 'other' otherwise." DEFVAL { other } ::= { pwCepFracEntry 4 } pwCepFracVtgMap OBJECT-TYPE SYNTAX PwCepSonetVtgMap MAX-ACCESS read-create STATUS current Zelig, et al. Standards Track [Page 28]
RFC 6240 PWE3 CEP MIB May 2011 DESCRIPTION "This object defines the VT/VC types of the seven VTG/TUG-2 within the STS-1/VC-3. This variable should be set when 'dynamic', 'static', or 'staticWithEbm' fractional STS-1/VC-3 pwCepFracMode is selected." ::= { pwCepFracEntry 5 } pwCepFracEbm OBJECT-TYPE SYNTAX PwCepSonetEbm MAX-ACCESS read-create STATUS current DESCRIPTION "This object holds the static Equipped Bit Mask (EBM) for STS-1/VC-3 channel. This variable MAY be set when 'static' or 'staticWithEbm' fractional STS-1/VC-3 pwCepFracMode is selected. It is possible that the configuration of other MIB modules will define the EBM value; in these cases, this object is read-only and reflects the actual EBM that would be used." ::= { pwCepFracEntry 6 } pwCepFracPeerEbm OBJECT-TYPE SYNTAX PwCepSonetEbm MAX-ACCESS read-only STATUS current DESCRIPTION "This object reports the Equipped Bit Mask (EBM) for STS-1/VC-3 channel as received from the peer within the CEP extension header." ::= { pwCepFracEntry 7 } pwCepFracSdhVc4Mode OBJECT-TYPE SYNTAX INTEGER { notApplicable ( 1), dynamic ( 2), static ( 3), staticWithEbm ( 4) } MAX-ACCESS read-create Zelig, et al. Standards Track [Page 29]
RFC 6240 PWE3 CEP MIB May 2011 STATUS current DESCRIPTION "Fractional mode for VC-4 circuits: notApplicable - When this is not VC-4 circuit. dynamic - EBM carried within the CEP header. Unequipped VTs are removed from the payload on the fly. static - EBM not carried within the CEP header. Only VTs defined in the EBM are carried within the payload. staticWithEbm - EBM carried within the CEP header. Only VTs defined in the EBM are carried within the payload." DEFVAL { notApplicable } ::= { pwCepFracEntry 8 } pwCepFracSdhVc4Tu3Map1 OBJECT-TYPE SYNTAX PwCepFracAsyncMap MAX-ACCESS read-create STATUS current DESCRIPTION "The type of asynchronous mapping carried inside STS-1, VC-3, or TUG-3 containing TU-3 circuit." DEFVAL { other } ::= { pwCepFracEntry 9 } pwCepFracSdhVc4Tu3Map2 OBJECT-TYPE SYNTAX PwCepFracAsyncMap MAX-ACCESS read-create STATUS current DESCRIPTION "If the second TUG-3 within the VC-4 contains a TU-3, this variable must be set." DEFVAL { other } ::= { pwCepFracEntry 10 } pwCepFracSdhVc4Tu3Map3 OBJECT-TYPE SYNTAX PwCepFracAsyncMap MAX-ACCESS read-create STATUS current DESCRIPTION "If the third TUG-3 within the VC-4 contains a TU-3, this variable must be set." Zelig, et al. Standards Track [Page 30]
RFC 6240 PWE3 CEP MIB May 2011 DEFVAL { other } ::= { pwCepFracEntry 11 } pwCepFracSdhVc4Tug2Map1 OBJECT-TYPE SYNTAX PwCepSonetVtgMap MAX-ACCESS read-create STATUS current DESCRIPTION "The VC types of the seven TUG-2s within the first TUG-3 of the VC-4." ::= { pwCepFracEntry 12 } pwCepFracSdhVc4Tug2Map2 OBJECT-TYPE SYNTAX PwCepSonetVtgMap MAX-ACCESS read-create STATUS current DESCRIPTION "The VC types of the seven TUG-2s within the second TUG-3 of the VC-4." ::= { pwCepFracEntry 13 } pwCepFracSdhVc4Tug2Map3 OBJECT-TYPE SYNTAX PwCepSonetVtgMap MAX-ACCESS read-create STATUS current DESCRIPTION "The VC types of the seven TUG-2s within the third TUG-3 of the VC-4." ::= { pwCepFracEntry 14 } pwCepFracSdhVc4Ebm1 OBJECT-TYPE SYNTAX PwCepSdhVc4Ebm MAX-ACCESS read-create STATUS current DESCRIPTION "Static Equipped Bit Mask (EBM) for the first TUG-3 within the VC-4. This variable should be set when 'static' or 'staticWithEbm' fractional VC-4 pwCepFracMode is selected. Zelig, et al. Standards Track [Page 31]
RFC 6240 PWE3 CEP MIB May 2011 It is possible that the EBM that would be used is available based on configuration of other MIB modules. In these cases, this object is read-only and reflects the actual EBM that would be used." ::= { pwCepFracEntry 15 } pwCepFracSdhVc4Ebm2 OBJECT-TYPE SYNTAX PwCepSdhVc4Ebm MAX-ACCESS read-create STATUS current DESCRIPTION "Static Equipped Bit Mask (EBM) for the second TUG-3 within the VC-4. This variable should be set when 'static' or 'staticWithEbm' fractional VC-4 pwCepFracMode is selected. It is possible that the EBM that would be used is available based on configuration of other MIB modules. In these cases, this object is read-only and reflects the actual EBM that would be used." ::= { pwCepFracEntry 16 } pwCepFracSdhVc4Ebm3 OBJECT-TYPE SYNTAX PwCepSdhVc4Ebm MAX-ACCESS read-create STATUS current DESCRIPTION "Static Equipped Bit Mask (EBM) for the third TUG-3 within the VC-4. This variable should be set when 'Static' or 'staticWithEbm' fractional VC-4 pwCepFracMode is selected. It is possible that the EBM that would be used is available based on configuration of other MIB modules. In these cases, this object is read-only and reflects the actual EBM that would be used." ::= { pwCepFracEntry 17 } pwCepFracSdhVc4PeerEbm1 OBJECT-TYPE SYNTAX PwCepSdhVc4Ebm MAX-ACCESS read-only Zelig, et al. Standards Track [Page 32]
RFC 6240 PWE3 CEP MIB May 2011 STATUS current DESCRIPTION "Equipped Bit Mask (EBM) for the first TUG-3 within the fractional VC-4 channel received from the peer within the CEP extension header." ::= { pwCepFracEntry 18 } pwCepFracSdhVc4PeerEbm2 OBJECT-TYPE SYNTAX PwCepSdhVc4Ebm MAX-ACCESS read-only STATUS current DESCRIPTION "Equipped Bit Mask (EBM) for the second TUG-3 within the fractional VC-4 channel received from the peer within the CEP extension header." ::= { pwCepFracEntry 19 } pwCepFracSdhVc4PeerEbm3 OBJECT-TYPE SYNTAX PwCepSdhVc4Ebm MAX-ACCESS read-only STATUS current DESCRIPTION "Equipped Bit Mask (EBM) for the third TUG-3 within the fractional VC-4 channel received from the peer within the CEP extension header." ::= { pwCepFracEntry 20 } pwCepFracRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "For creating, modifying, and deleting this row. This object MAY be changed at any time." ::= { pwCepFracEntry 21 } pwCepFracStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "This variable indicates the storage type for this object." Zelig, et al. Standards Track [Page 33]
RFC 6240 PWE3 CEP MIB May 2011 DEFVAL { nonVolatile } ::= { pwCepFracEntry 22 } -- End CEP Fractional Table -- CEP PW Performance Current Interval Table pwCepPerfCurrentTable OBJECT-TYPE SYNTAX SEQUENCE OF PwCepPerfCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "CEP bridges the SONET and packet worlds. In the packet world, counts typically start from the time of service creation and do not stop. In the SONET world, counts are kept in 15-minute intervals. The PW CEP MIB supports both methods. The current 15-minute interval counts are in this table. The interval and total stats are in tables following this. This table provides per-CEP PW performance information. High capacity (HC) counters are required for some counts due to the high speeds expected with CEP services. A SONET path of width 48 (STS-48c) can rollover non-HC counters in a few minutes." ::= { pwCepObjects 5 } pwCepPerfCurrentEntry OBJECT-TYPE SYNTAX PwCepPerfCurrentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in this table is created by the agent for every pwCep entry. After 15 minutes, the contents of this table entry are copied to a new entry in the pwCepPerfInterval table, and the counts in this entry are reset to zero." INDEX { pwIndex } ::= { pwCepPerfCurrentTable 1 } PwCepPerfCurrentEntry ::= SEQUENCE { pwCepPerfCurrentDbaInPacketsHC HCPerfCurrentCount, pwCepPerfCurrentDbaOutPacketsHC HCPerfCurrentCount, pwCepPerfCurrentInNegPtrAdjust PerfCurrentCount, pwCepPerfCurrentInPosPtrAdjust PerfCurrentCount, Zelig, et al. Standards Track [Page 34]
RFC 6240 PWE3 CEP MIB May 2011 pwCepPerfCurrentInPtrAdjustSecs PerfCurrentCount, pwCepPerfCurrentOutNegPtrAdjust PerfCurrentCount, pwCepPerfCurrentOutPosPtrAdjust PerfCurrentCount, pwCepPerfCurrentOutPtrAdjustSecs PerfCurrentCount, pwCepPerfCurrentAbsPtrAdjust Integer32, pwCepPerfCurrentMissingPkts PerfCurrentCount, pwCepPerfCurrentPktsOoseq PerfCurrentCount, pwCepPerfCurrentPktsOoRngDropped PerfCurrentCount, pwCepPerfCurrentJtrBfrUnderruns PerfCurrentCount, pwCepPerfCurrentPktsMalformed PerfCurrentCount, pwCepPerfCurrentSummaryErrors PerfCurrentCount, pwCepPerfCurrentESs PerfCurrentCount, pwCepPerfCurrentSESs PerfCurrentCount, pwCepPerfCurrentUASs PerfCurrentCount, pwCepPerfCurrentFC PerfCurrentCount } pwCepPerfCurrentDbaInPacketsHC OBJECT-TYPE SYNTAX HCPerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of DBA packets received." ::= { pwCepPerfCurrentEntry 1 } pwCepPerfCurrentDbaOutPacketsHC OBJECT-TYPE SYNTAX HCPerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of DBA packets sent." ::= { pwCepPerfCurrentEntry 2 } -- Pointer adjustment stats pwCepPerfCurrentInNegPtrAdjust OBJECT-TYPE SYNTAX PerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of negative pointer adjustments sent on the SONET path based on CEP pointer adjustments received." ::= { pwCepPerfCurrentEntry 3 } Zelig, et al. Standards Track [Page 35]
RFC 6240 PWE3 CEP MIB May 2011 pwCepPerfCurrentInPosPtrAdjust OBJECT-TYPE SYNTAX PerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of positive pointer adjustments sent on the SONET path based on CEP pointer adjustments received." ::= { pwCepPerfCurrentEntry 4 } pwCepPerfCurrentInPtrAdjustSecs OBJECT-TYPE SYNTAX PerfCurrentCount UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "Number of seconds in which a positive or negative pointer adjustment was sent on the SONET path." ::= { pwCepPerfCurrentEntry 5 } pwCepPerfCurrentOutNegPtrAdjust OBJECT-TYPE SYNTAX PerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of negative pointer adjustments seen on the SONET path and encoded onto sent CEP packets." ::= { pwCepPerfCurrentEntry 6 } pwCepPerfCurrentOutPosPtrAdjust OBJECT-TYPE SYNTAX PerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of positive pointer adjustments seen on the SONET path and encoded onto sent CEP packets." ::= { pwCepPerfCurrentEntry 7 } pwCepPerfCurrentOutPtrAdjustSecs OBJECT-TYPE SYNTAX PerfCurrentCount UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "Number of seconds in which a positive or negative pointer adjustment was seen on the SONET path." ::= { pwCepPerfCurrentEntry 8 } Zelig, et al. Standards Track [Page 36]
RFC 6240 PWE3 CEP MIB May 2011 pwCepPerfCurrentAbsPtrAdjust OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "Indicates the relative adjustment drift between inbound and outbound streams. It is calculated as absolute value of: (InPosPtrAdjust - InNegPtrAdjust ) - (OutPosPtrAdjust - OutNegPtrAdjust)" ::= { pwCepPerfCurrentEntry 9 } pwCepPerfCurrentMissingPkts OBJECT-TYPE SYNTAX PerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of missing packets (as detected via CEP header sequence number gaps)." ::= { pwCepPerfCurrentEntry 10 } pwCepPerfCurrentPktsOoseq OBJECT-TYPE SYNTAX PerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of packets detected out of sequence (via CEP header sequence numbers) but successfully reordered. Note: Some implementations may not support this feature (see pwCepCfgPktReorder)." ::= { pwCepPerfCurrentEntry 11 } pwCepPerfCurrentPktsOoRngDropped OBJECT-TYPE SYNTAX PerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of packets detected out of range (via CEP header sequence numbers) and could not be reordered or could not fit in the jitter buffer." ::= { pwCepPerfCurrentEntry 12 } pwCepPerfCurrentJtrBfrUnderruns OBJECT-TYPE SYNTAX PerfCurrentCount MAX-ACCESS read-only STATUS current Zelig, et al. Standards Track [Page 37]
RFC 6240 PWE3 CEP MIB May 2011 DESCRIPTION "Number of times a packet needed to be played out and the jitter buffer was empty." ::= { pwCepPerfCurrentEntry 13 } pwCepPerfCurrentPktsMalformed OBJECT-TYPE SYNTAX PerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of packets detected with unexpected size or bad headers stack." ::= { pwCepPerfCurrentEntry 14 } pwCepPerfCurrentSummaryErrors OBJECT-TYPE SYNTAX PerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "A summary of all the packet-error types above (from missing packets to bad length packets)." ::= { pwCepPerfCurrentEntry 15 } pwCepPerfCurrentESs OBJECT-TYPE SYNTAX PerfCurrentCount UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Errored Seconds encountered." ::= { pwCepPerfCurrentEntry 16 } pwCepPerfCurrentSESs OBJECT-TYPE SYNTAX PerfCurrentCount UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Seconds encountered." ::= { pwCepPerfCurrentEntry 17 } pwCepPerfCurrentUASs OBJECT-TYPE SYNTAX PerfCurrentCount UNITS "seconds" MAX-ACCESS read-only STATUS current Zelig, et al. Standards Track [Page 38]
RFC 6240 PWE3 CEP MIB May 2011 DESCRIPTION "The counter associated with the number of Unavailable Seconds encountered." ::= { pwCepPerfCurrentEntry 18 } pwCepPerfCurrentFC OBJECT-TYPE SYNTAX PerfCurrentCount MAX-ACCESS read-only STATUS current DESCRIPTION "CEP Failure Counts (FC-CEP). The number of CEP failure events. A failure event begins when the LOPS failure is declared and ends when the failure is cleared. A failure event that begins in one period and ends in another period is counted only in the period in which it begins." ::= { pwCepPerfCurrentEntry 19 } -- End CEP PW Performance Current Interval Table -- CEP Performance 15-Minute Interval Table pwCepPerfIntervalTable OBJECT-TYPE SYNTAX SEQUENCE OF PwCepPerfIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table provides per-CEP PW performance information, much like the pwCepPerfCurrentTable above. However, these counts represent historical 15-minute intervals. Typically, this table will have a maximum of 96 entries for a 24-hour period but is not limited to this. NOTE: Counter64 objects are used here; Counter32 is too small for OC-768 CEP PWs." ::= { pwCepObjects 6 } pwCepPerfIntervalEntry OBJECT-TYPE SYNTAX PwCepPerfIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in this table is created by the agent for every pwCepPerfCurrentEntry that is 15 minutes old. The contents of the Current entry are copied to the new Zelig, et al. Standards Track [Page 39]
RFC 6240 PWE3 CEP MIB May 2011 entry here. The Current entry then resets its counts to zero for the next current 15-minute interval. pwCepIndex is found in the pwCepCfg table." INDEX { pwIndex, pwCepPerfIntervalNumber } ::= { pwCepPerfIntervalTable 1 } PwCepPerfIntervalEntry ::= SEQUENCE { pwCepPerfIntervalNumber Integer32, pwCepPerfIntervalValidData TruthValue, pwCepPerfIntervalReset INTEGER, pwCepPerfIntervalTimeElapsed HCPerfTimeElapsed, pwCepPerfIntervalDbaInPacketsHC HCPerfIntervalCount, pwCepPerfIntervalDbaOutPacketsHC HCPerfIntervalCount, pwCepPerfIntervalInNegPtrAdjust PerfIntervalCount, pwCepPerfIntervalInPosPtrAdjust PerfIntervalCount, pwCepPerfIntervalInPtrAdjustSecs PerfIntervalCount, pwCepPerfIntervalOutNegPtrAdjust PerfIntervalCount, pwCepPerfIntervalOutPosPtrAdjust PerfIntervalCount, pwCepPerfIntervalOutPtrAdjustSecs PerfIntervalCount, pwCepPerfIntervalAbsPtrAdjust Integer32, pwCepPerfIntervalMissingPkts PerfIntervalCount, pwCepPerfIntervalPktsOoseq PerfIntervalCount, pwCepPerfIntervalPktsOoRngDropped PerfIntervalCount, pwCepPerfIntervalJtrBfrUnderruns PerfIntervalCount, pwCepPerfIntervalPktsMalformed PerfIntervalCount, pwCepPerfIntervalSummaryErrors PerfIntervalCount, pwCepPerfIntervalESs PerfIntervalCount, pwCepPerfIntervalSESs PerfIntervalCount, pwCepPerfIntervalUASs PerfIntervalCount, pwCepPerfIntervalFC PerfIntervalCount } pwCepPerfIntervalNumber OBJECT-TYPE SYNTAX Integer32 (1..96) MAX-ACCESS not-accessible STATUS current DESCRIPTION "A number (between 1 and 96 to cover a 24-hour period) that 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 Zelig, et al. Standards Track [Page 40]
RFC 6240 PWE3 CEP MIB May 2011 the interval identified by N is the interval immediately preceding the one identified by N-1. The minimum range of N is 1 through 4. The default range is 1 through 32. The maximum range of N is 1 through 96." ::= { pwCepPerfIntervalEntry 1 } pwCepPerfIntervalValidData OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "This variable indicates if the data for this interval is valid." ::= { pwCepPerfIntervalEntry 2 } pwCepPerfIntervalReset OBJECT-TYPE SYNTAX INTEGER { reset (1), normal(2) } MAX-ACCESS read-create STATUS current DESCRIPTION "Used in cases where the user knows that the errors within this interval should not be counted. Writing 'reset' sets all error counts to zero. The value of 0 is not used here due to issues with implementations." ::= { pwCepPerfIntervalEntry 3 } pwCepPerfIntervalTimeElapsed OBJECT-TYPE SYNTAX HCPerfTimeElapsed UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "The duration of a particular interval in seconds. Adjustments in the system's time-of-day clock may cause the interval to be greater or less than the normal value. Therefore, this actual interval value is provided." ::= { pwCepPerfIntervalEntry 4 } pwCepPerfIntervalDbaInPacketsHC OBJECT-TYPE SYNTAX HCPerfIntervalCount MAX-ACCESS read-only STATUS current Zelig, et al. Standards Track [Page 41]
RFC 6240 PWE3 CEP MIB May 2011 DESCRIPTION "Number of DBA packets received." ::= { pwCepPerfIntervalEntry 5 } pwCepPerfIntervalDbaOutPacketsHC OBJECT-TYPE SYNTAX HCPerfIntervalCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of DBA packets sent." ::= { pwCepPerfIntervalEntry 6 } -- Pointer adjustment stats pwCepPerfIntervalInNegPtrAdjust OBJECT-TYPE SYNTAX PerfIntervalCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of negative pointer adjustments sent on the SONET path based on CEP pointer adjustments received." ::= { pwCepPerfIntervalEntry 7 } pwCepPerfIntervalInPosPtrAdjust OBJECT-TYPE SYNTAX PerfIntervalCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of positive pointer adjustments sent on the SONET path based on CEP pointer adjustments received." ::= { pwCepPerfIntervalEntry 8 } pwCepPerfIntervalInPtrAdjustSecs OBJECT-TYPE SYNTAX PerfIntervalCount UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "Number of seconds in which a positive or negative pointer adjustment was sent on the SONET path." ::= { pwCepPerfIntervalEntry 9 } pwCepPerfIntervalOutNegPtrAdjust OBJECT-TYPE SYNTAX PerfIntervalCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of negative pointer adjustments seen on the SONET path and encoded onto sent CEP packets." Zelig, et al. Standards Track [Page 42]
RFC 6240 PWE3 CEP MIB May 2011 ::= { pwCepPerfIntervalEntry 10 } pwCepPerfIntervalOutPosPtrAdjust OBJECT-TYPE SYNTAX PerfIntervalCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of positive pointer adjustments seen on the SONET path and encoded onto sent CEP packets." ::= { pwCepPerfIntervalEntry 11 } pwCepPerfIntervalOutPtrAdjustSecs OBJECT-TYPE SYNTAX PerfIntervalCount UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "Number of seconds in which a positive or negative pointer adjustment was seen on the SONET path." ::= { pwCepPerfIntervalEntry 12 } pwCepPerfIntervalAbsPtrAdjust OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "The relative adjustment drift between inbound and outbound streams. It is calculated as absolute value of: (InPosPtrAdjust - InNegPtrAdjust) - (OutPosPtrAdjust - OutNegPtrAdjust)" ::= { pwCepPerfIntervalEntry 13 } pwCepPerfIntervalMissingPkts OBJECT-TYPE SYNTAX PerfIntervalCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of missing packets (as detected via CEP header sequence number gaps)." ::= { pwCepPerfIntervalEntry 14 } pwCepPerfIntervalPktsOoseq OBJECT-TYPE SYNTAX PerfIntervalCount MAX-ACCESS read-only STATUS current Zelig, et al. Standards Track [Page 43]
RFC 6240 PWE3 CEP MIB May 2011 DESCRIPTION "Number of packets detected out of sequence (via CEP header sequence numbers) but successfully reordered. Note: Some implementations mat not support this feature (see pwCepCfgPktReorder)." ::= { pwCepPerfIntervalEntry 15 } pwCepPerfIntervalPktsOoRngDropped OBJECT-TYPE SYNTAX PerfIntervalCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of packets detected out of range (via CEP header sequence numbers) and could not be reordered or could not fit in the jitter buffer." ::= { pwCepPerfIntervalEntry 16 } pwCepPerfIntervalJtrBfrUnderruns OBJECT-TYPE SYNTAX PerfIntervalCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of times a packet needed to be played out and the jitter buffer was empty." ::= { pwCepPerfIntervalEntry 17 } pwCepPerfIntervalPktsMalformed OBJECT-TYPE SYNTAX PerfIntervalCount MAX-ACCESS read-only STATUS current DESCRIPTION "Number of packets detected with unexpected size or bad headers stack." ::= { pwCepPerfIntervalEntry 18 } pwCepPerfIntervalSummaryErrors OBJECT-TYPE SYNTAX PerfIntervalCount MAX-ACCESS read-only STATUS current DESCRIPTION "A summary of all the packet-error types above (from missing packets to bad length packets)." ::= { pwCepPerfIntervalEntry 19 } pwCepPerfIntervalESs OBJECT-TYPE SYNTAX PerfIntervalCount UNITS "seconds" MAX-ACCESS read-only Zelig, et al. Standards Track [Page 44]
RFC 6240 PWE3 CEP MIB May 2011 STATUS current DESCRIPTION "The counter associated with the number of Errored Seconds encountered." ::= { pwCepPerfIntervalEntry 20 } pwCepPerfIntervalSESs OBJECT-TYPE SYNTAX PerfIntervalCount UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Seconds encountered." ::= { pwCepPerfIntervalEntry 21 } pwCepPerfIntervalUASs OBJECT-TYPE SYNTAX PerfIntervalCount UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Unavailable Seconds encountered." ::= { pwCepPerfIntervalEntry 22 } pwCepPerfIntervalFC OBJECT-TYPE SYNTAX PerfIntervalCount MAX-ACCESS read-only STATUS current DESCRIPTION "CEP Failure Counts (FC-CEP). The number of CEP failure events. A failure event begins when the LOPS failure is declared and ends when the failure is cleared. A failure event that begins in one period and ends in another period is counted only in the period in which it begins." ::= { pwCepPerfIntervalEntry 23 } -- End CEP Performance 15-Minute Interval Table -- CEP Performance 1-Day Table pwCepPerf1DayIntervalTable OBJECT-TYPE SYNTAX SEQUENCE OF PwCepPerf1DayIntervalEntry MAX-ACCESS not-accessible STATUS current Zelig, et al. Standards Track [Page 45]
RFC 6240 PWE3 CEP MIB May 2011 DESCRIPTION "This table provides per CEP PW performance information, the current day's measurement, and the previous day's interval. In the extreme case where one of the error counters has overflowed during the one-day interval, the error counter MUST NOT wrap around and MUST return the maximum value." ::= { pwCepObjects 7 } pwCepPerf1DayIntervalEntry OBJECT-TYPE SYNTAX PwCepPerf1DayIntervalEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry is created in this table by the agent for every entry in the pwCepTable and for each day interval up to the number of supported historical intervals." INDEX { pwIndex, pwCepPerf1DayIntervalNumber } ::= { pwCepPerf1DayIntervalTable 1 } PwCepPerf1DayIntervalEntry ::= SEQUENCE { pwCepPerf1DayIntervalNumber Unsigned32, pwCepPerf1DayIntervalValidData TruthValue, pwCepPerf1DayIntervalMoniSecs HCPerfTimeElapsed, pwCepPerf1DayIntervalDbaInPacketsHC Counter64, pwCepPerf1DayIntervalDbaOutPacketsHC Counter64, pwCepPerf1DayIntervalInNegPtrAdjust Counter32, pwCepPerf1DayIntervalInPosPtrAdjust Counter32, pwCepPerf1DayIntervalInPtrAdjustSecs Counter32, pwCepPerf1DayIntervalOutNegPtrAdjust Counter32, pwCepPerf1DayIntervalOutPosPtrAdjust Counter32, pwCepPerf1DayIntervalOutPtrAdjustSecs Counter32, pwCepPerf1DayIntervalAbsPtrAdjust Integer32, pwCepPerf1DayIntervalMissingPkts Counter32, pwCepPerf1DayIntervalPktsOoseq Counter32, pwCepPerf1DayIntervalPktsOoRngDropped Counter32, pwCepPerf1DayIntervalJtrBfrUnderruns Counter32, pwCepPerf1DayIntervalPktsMalformed Counter32, pwCepPerf1DayIntervalSummaryErrors Counter32, Zelig, et al. Standards Track [Page 46]
RFC 6240 PWE3 CEP MIB May 2011 pwCepPerf1DayIntervalESs Counter32, pwCepPerf1DayIntervalSESs Counter32, pwCepPerf1DayIntervalUASs Counter32, pwCepPerf1DayIntervalFC Counter32 } pwCepPerf1DayIntervalNumber OBJECT-TYPE SYNTAX Unsigned32(1..31) MAX-ACCESS not-accessible STATUS current DESCRIPTION "History Data Interval number. Interval 1 is the current day measurement period; interval 2 is the most recent previous day; and interval 30 is 31 days ago." ::= { pwCepPerf1DayIntervalEntry 1 } pwCepPerf1DayIntervalValidData OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "This variable indicates if the data for this interval is valid." ::= { pwCepPerf1DayIntervalEntry 2 } pwCepPerf1DayIntervalMoniSecs OBJECT-TYPE SYNTAX HCPerfTimeElapsed UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "The amount of time in the 1-day interval over which the performance monitoring information is actually counted. This value will be the same as the interval duration except in situations where performance monitoring data could not be collected for any reason or the agent clock was adjusted." ::= { pwCepPerf1DayIntervalEntry 3 } pwCepPerf1DayIntervalDbaInPacketsHC OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of DBA packets received." ::= { pwCepPerf1DayIntervalEntry 4 } Zelig, et al. Standards Track [Page 47]
RFC 6240 PWE3 CEP MIB May 2011 pwCepPerf1DayIntervalDbaOutPacketsHC OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of DBA packets sent." ::= { pwCepPerf1DayIntervalEntry 5 } -- Pointer adjustment stats pwCepPerf1DayIntervalInNegPtrAdjust OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of negative pointer adjustments sent on the SONET path based on CEP pointer adjustments received." ::= { pwCepPerf1DayIntervalEntry 6 } pwCepPerf1DayIntervalInPosPtrAdjust OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of positive pointer adjustments sent on the SONET path based on CEP pointer adjustments received." ::= { pwCepPerf1DayIntervalEntry 7 } pwCepPerf1DayIntervalInPtrAdjustSecs OBJECT-TYPE SYNTAX Counter32 UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "Number of seconds in which a positive or negative pointer adjustment was sent on the SONET path." ::= { pwCepPerf1DayIntervalEntry 8 } pwCepPerf1DayIntervalOutNegPtrAdjust OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of negative pointer adjustments seen on the SONET path and encoded onto sent CEP packets." ::= { pwCepPerf1DayIntervalEntry 9 } Zelig, et al. Standards Track [Page 48]
RFC 6240 PWE3 CEP MIB May 2011 pwCepPerf1DayIntervalOutPosPtrAdjust OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of positive pointer adjustments seen on the SONET path and encoded onto sent CEP packets." ::= { pwCepPerf1DayIntervalEntry 10 } pwCepPerf1DayIntervalOutPtrAdjustSecs OBJECT-TYPE SYNTAX Counter32 UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "Number of seconds in which a positive or negative pointer adjustment was seen on the SONET path." ::= { pwCepPerf1DayIntervalEntry 11 } pwCepPerf1DayIntervalAbsPtrAdjust OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "The relative adjustment of drift between inbound and outbound streams. It is calculated as absolute value of: (InPosPtrAdjust - InNegPtrAdjust) - (OutPosPtrAdjust - OutNegPtrAdjust)" ::= { pwCepPerf1DayIntervalEntry 12 } pwCepPerf1DayIntervalMissingPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of missing packets (as detected via CEP header sequence number gaps)." ::= { pwCepPerf1DayIntervalEntry 13 } pwCepPerf1DayIntervalPktsOoseq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current Zelig, et al. Standards Track [Page 49]
RFC 6240 PWE3 CEP MIB May 2011 DESCRIPTION "Number of packets detected out of sequence (via CEP header sequence numbers) but successfully reordered. Note: Some implementations may not support this feature (see pwCepCfgPktReorder)." ::= { pwCepPerf1DayIntervalEntry 14 } pwCepPerf1DayIntervalPktsOoRngDropped OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of packets detected out of range (via CEP header sequence numbers) and could not be reordered or could not fit in the jitter buffer." ::= { pwCepPerf1DayIntervalEntry 15 } pwCepPerf1DayIntervalJtrBfrUnderruns OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of times a packet needed to be played out, and the jitter buffer was empty." ::= { pwCepPerf1DayIntervalEntry 16 } pwCepPerf1DayIntervalPktsMalformed OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "Number of packets detected with unexpected size or bad headers stack." ::= { pwCepPerf1DayIntervalEntry 17 } pwCepPerf1DayIntervalSummaryErrors OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "A summary of all the packet-error types above (from missing packets to bad length packets)." ::= { pwCepPerf1DayIntervalEntry 18 } pwCepPerf1DayIntervalESs OBJECT-TYPE SYNTAX Counter32 UNITS "seconds" MAX-ACCESS read-only Zelig, et al. Standards Track [Page 50]
RFC 6240 PWE3 CEP MIB May 2011 STATUS current DESCRIPTION "The counter associated with the number of Errored Seconds encountered." ::= { pwCepPerf1DayIntervalEntry 19 } pwCepPerf1DayIntervalSESs OBJECT-TYPE SYNTAX Counter32 UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of Severely Errored Seconds. See pwCepCfgMissingPktsToSes." ::= { pwCepPerf1DayIntervalEntry 20 } pwCepPerf1DayIntervalUASs OBJECT-TYPE SYNTAX Counter32 UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "The counter associated with the number of unavailable seconds. See pwCepCfgSesToUAS. NOTE: When first entering the UAS state, the number of SesToUas is added to this object; then, as each additional UAS occurs, this object increments by one. NOTE: Similar to [RFC3592], if the agent chooses to update the various performance statistics in real time, it must be prepared to retroactively reduce the ES and SES counts (by the value of pwCepCfgSesToUas) and increase the UAS count (by that same value) when it determines that UAS state has been entered." ::= { pwCepPerf1DayIntervalEntry 21 } pwCepPerf1DayIntervalFC OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "CEP Failure Counts (FC-CEP). The number of CEP failure events. A failure event begins when the LOPS failure is declared and ends when the failure is cleared." ::= { pwCepPerf1DayIntervalEntry 22 } -- End of CEP Performance 1-Day Table Zelig, et al. Standards Track [Page 51]
RFC 6240 PWE3 CEP MIB May 2011 -- Conformance information pwCepGroups OBJECT IDENTIFIER ::= { pwCepConformance 1 } pwCepCompliances OBJECT IDENTIFIER ::= { pwCepConformance 2 } -- Compliance statement for full compliant implementations pwCepModuleFullCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for agents that support full CEP PW configuration through this MIB module." MODULE -- this module MANDATORY-GROUPS { pwCepGroup, pwCepCfgGroup, pwCepPerfCurrentGroup, pwCepPerfIntervalGroup, pwCepPerf1DayIntervalGroup } GROUP pwCepFractionalGroup DESCRIPTION "This group is only mandatory for implementations that support fractional SPE." GROUP pwCepFractionalSts1Vc3Group DESCRIPTION "This group is only mandatory for implementations that support the fractional STS-1/VC-3." GROUP pwCepFractionalVc4Group DESCRIPTION "This group is only mandatory for implementations that support the fractional VC-4." GROUP pwCepSignalingGroup DESCRIPTION "This group is only mandatory for implementations that support the CEP PW signaling." OBJECT pwCepType SYNTAX INTEGER { spe(1) } MIN-ACCESS read-only DESCRIPTION "The support of the value vt(2) or fracSpe(3) is optional. If either of these options are supported, read-write access is not required." Zelig, et al. Standards Track [Page 52]
RFC 6240 PWE3 CEP MIB May 2011 OBJECT pwCepSonetPayloadLength MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only the default values (which are based on the pwCepType)." OBJECT pwCepCfgMinPktLength MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepCfgEnableDBA MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepCfgRtpHdrSuppress MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that do not support RTP header for CEP connections." OBJECT pwCepCfgConsecPktsInsync MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepCfgConsecMissingOutSync MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepCfgPktErrorPlayOutValue MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepCfgMissingPktsToSes MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepCfgSesToUas MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepCfgSecsToExitUas Zelig, et al. Standards Track [Page 53]
RFC 6240 PWE3 CEP MIB May 2011 MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepCfgName MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgRowStatus SYNTAX RowStatus { active(1), notInService(2), notReady(3) } WRITE-SYNTAX RowStatus { active(1), notInService(2), createAndGo(4), destroy(6) } DESCRIPTION "Support for createAndWait is not required." OBJECT pwCepFracMode MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepFracAsync SYNTAX PwCepFracAsyncMap { other(1) } MIN-ACCESS read-only DESCRIPTION "Support for ds3(2) or e3(3) and read-write access is not required if the implementations do not support these options." OBJECT pwCepFracVtgMap MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepFracEbm MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations where the EBM is derived from configuration in other MIB modules." OBJECT pwCepFracSdhVc4Mode MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepFracSdhVc4Tu3Map1 MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." Zelig, et al. Standards Track [Page 54]
RFC 6240 PWE3 CEP MIB May 2011 OBJECT pwCepFracSdhVc4Tu3Map2 MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepFracSdhVc4Tu3Map3 MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepFracSdhVc4Tug2Map1 MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepFracSdhVc4Tug2Map2 MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepFracSdhVc4Tug2Map3 MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations that support only a single predefined value." OBJECT pwCepFracSdhVc4Ebm1 MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations where the EBM is derived from configuration in other MIB modules." OBJECT pwCepFracSdhVc4Ebm2 MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations where the EBM is derived from configuration in other MIB modules." OBJECT pwCepFracSdhVc4Ebm3 MIN-ACCESS read-only DESCRIPTION "Write access is not required for implementations where the EBM is derived from configuration in other MIB modules." Zelig, et al. Standards Track [Page 55]
RFC 6240 PWE3 CEP MIB May 2011 OBJECT pwCepFracRowStatus SYNTAX RowStatus { active(1), notInService(2), notReady(3) } WRITE-SYNTAX RowStatus { active(1), notInService(2), createAndGo(4), destroy(6) } DESCRIPTION "Support for createAndWait is not required." ::= { pwCepCompliances 1 } -- Compliance requirement for read-only compliant implementations pwCepModuleReadOnlyCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for agents that provide read-only support for the PW CEP MIB Module. Such devices can be monitored but cannot be configured using this MIB module." MODULE -- this module MANDATORY-GROUPS { pwCepGroup, pwCepCfgGroup, pwCepPerfCurrentGroup, pwCepPerfIntervalGroup, pwCepPerf1DayIntervalGroup } GROUP pwCepFractionalGroup DESCRIPTION "This group is only mandatory for implementations that support fractional SPE." GROUP pwCepFractionalSts1Vc3Group DESCRIPTION "This group is only mandatory for implementations that support the fractional STS-1/VC-3." GROUP pwCepFractionalVc4Group DESCRIPTION "This group is only mandatory for implementations that support the fractional VC-4." GROUP pwCepSignalingGroup DESCRIPTION "This group is only mandatory for implementations that support the CEP PW signaling." OBJECT pwCepType MIN-ACCESS read-only DESCRIPTION "Write access is not required." Zelig, et al. Standards Track [Page 56]
RFC 6240 PWE3 CEP MIB May 2011 OBJECT pwCepSonetIfIndex MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgIndex MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepSonetPayloadLength MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgMinPktLength MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgEnableDBA MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgRtpHdrSuppress MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgJtrBfrDepth MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgConsecPktsInsync MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgConsecMissingOutSync MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgPktErrorPlayOutValue MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgMissingPktsToSes MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgSesToUas MIN-ACCESS read-only DESCRIPTION "Write access is not required." Zelig, et al. Standards Track [Page 57]
RFC 6240 PWE3 CEP MIB May 2011 OBJECT pwCepCfgSecsToExitUas MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgRowStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepCfgStorageType MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracMode MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracAsync MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracVtgMap MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracEbm MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracSdhVc4Mode MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracSdhVc4Tu3Map1 MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracSdhVc4Tu3Map2 MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracSdhVc4Tu3Map3 MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracSdhVc4Tug2Map1 MIN-ACCESS read-only DESCRIPTION "Write access is not required." Zelig, et al. Standards Track [Page 58]
RFC 6240 PWE3 CEP MIB May 2011 OBJECT pwCepFracSdhVc4Tug2Map2 MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracSdhVc4Tug2Map3 MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracSdhVc4Ebm1 MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracSdhVc4Ebm2 MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracSdhVc4Ebm3 MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracRowStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT pwCepFracStorageType MIN-ACCESS read-only DESCRIPTION "Write access is not required." ::= { pwCepCompliances 2 } -- Units of conformance pwCepGroup OBJECT-GROUP OBJECTS { pwCepType, pwCepSonetIfIndex, pwCepSonetConfigErrorOrStatus, pwCepCfgIndex, pwCepTimeElapsed, pwCepValidIntervals, pwCepIndications, pwCepLastEsTimeStamp } STATUS current DESCRIPTION "Collection of objects for basic CEP PW config and status." ::= { pwCepGroups 1 } Zelig, et al. Standards Track [Page 59]
RFC 6240 PWE3 CEP MIB May 2011 pwCepSignalingGroup OBJECT-GROUP OBJECTS { pwCepPeerCepOption } STATUS current DESCRIPTION "Collection of objects required if the network element support CEP connections signaling." ::= { pwCepGroups 2 } pwCepCfgGroup OBJECT-GROUP OBJECTS { pwCepCfgIndexNext, pwCepSonetPayloadLength, pwCepCfgMinPktLength, pwCepCfgPktReorder, pwCepCfgEnableDBA, pwCepCfgRtpHdrSuppress, pwCepCfgJtrBfrDepth, pwCepCfgConsecPktsInsync, pwCepCfgConsecMissingOutSync, pwCepCfgPktErrorPlayOutValue, pwCepCfgMissingPktsToSes, pwCepCfgSesToUas, pwCepCfgSecsToExitUas, pwCepCfgName, pwCepCfgRowStatus, pwCepCfgStorageType } STATUS current DESCRIPTION "Collection of detailed objects needed to configure CEP PWs." ::= { pwCepGroups 3 } pwCepPerfCurrentGroup OBJECT-GROUP OBJECTS { pwCepPerfCurrentDbaInPacketsHC, pwCepPerfCurrentDbaOutPacketsHC, Zelig, et al. Standards Track [Page 60]
RFC 6240 PWE3 CEP MIB May 2011 pwCepPerfCurrentInNegPtrAdjust, pwCepPerfCurrentInPosPtrAdjust, pwCepPerfCurrentInPtrAdjustSecs, pwCepPerfCurrentOutNegPtrAdjust, pwCepPerfCurrentOutPosPtrAdjust, pwCepPerfCurrentOutPtrAdjustSecs, pwCepPerfCurrentAbsPtrAdjust, pwCepPerfCurrentMissingPkts, pwCepPerfCurrentPktsOoseq, pwCepPerfCurrentPktsOoRngDropped, pwCepPerfCurrentJtrBfrUnderruns, pwCepPerfCurrentPktsMalformed, pwCepPerfCurrentSummaryErrors, pwCepPerfCurrentESs, pwCepPerfCurrentSESs, pwCepPerfCurrentUASs, pwCepPerfCurrentFC } STATUS current DESCRIPTION "Collection of statistics objects for CEP PWs." ::= { pwCepGroups 4 } pwCepPerfIntervalGroup OBJECT-GROUP OBJECTS { pwCepPerfIntervalValidData, pwCepPerfIntervalReset, pwCepPerfIntervalTimeElapsed, pwCepPerfIntervalDbaInPacketsHC, pwCepPerfIntervalDbaOutPacketsHC, pwCepPerfIntervalInNegPtrAdjust, pwCepPerfIntervalInPosPtrAdjust, pwCepPerfIntervalInPtrAdjustSecs, pwCepPerfIntervalOutNegPtrAdjust, pwCepPerfIntervalOutPosPtrAdjust, pwCepPerfIntervalOutPtrAdjustSecs, pwCepPerfIntervalAbsPtrAdjust, pwCepPerfIntervalMissingPkts, pwCepPerfIntervalPktsOoseq, pwCepPerfIntervalPktsOoRngDropped, pwCepPerfIntervalJtrBfrUnderruns, pwCepPerfIntervalPktsMalformed, pwCepPerfIntervalSummaryErrors, Zelig, et al. Standards Track [Page 61]
RFC 6240 PWE3 CEP MIB May 2011 pwCepPerfIntervalESs, pwCepPerfIntervalSESs, pwCepPerfIntervalUASs, pwCepPerfIntervalFC } STATUS current DESCRIPTION "Collection of statistics objects for CEP PWs." ::= { pwCepGroups 5 } pwCepPerf1DayIntervalGroup OBJECT-GROUP OBJECTS { pwCepPerf1DayIntervalValidData, pwCepPerf1DayIntervalMoniSecs, pwCepPerf1DayIntervalDbaInPacketsHC, pwCepPerf1DayIntervalDbaOutPacketsHC, pwCepPerf1DayIntervalInNegPtrAdjust, pwCepPerf1DayIntervalInPosPtrAdjust, pwCepPerf1DayIntervalInPtrAdjustSecs, pwCepPerf1DayIntervalOutNegPtrAdjust, pwCepPerf1DayIntervalOutPosPtrAdjust, pwCepPerf1DayIntervalOutPtrAdjustSecs, pwCepPerf1DayIntervalAbsPtrAdjust, pwCepPerf1DayIntervalMissingPkts, pwCepPerf1DayIntervalPktsOoseq, pwCepPerf1DayIntervalPktsOoRngDropped, pwCepPerf1DayIntervalJtrBfrUnderruns, pwCepPerf1DayIntervalPktsMalformed, pwCepPerf1DayIntervalSummaryErrors, pwCepPerf1DayIntervalESs, pwCepPerf1DayIntervalSESs, pwCepPerf1DayIntervalUASs, pwCepPerf1DayIntervalFC } STATUS current DESCRIPTION "Collection of statistics objects for CEP PWs." ::= { pwCepGroups 6 } Zelig, et al. Standards Track [Page 62]
RFC 6240 PWE3 CEP MIB May 2011 pwCepFractionalGroup OBJECT-GROUP OBJECTS { pwCepFracRowStatus, pwCepFracStorageType } STATUS current DESCRIPTION "Collection of fractional SPE objects. These objects are optional and should be supported only if fractional SPE is supported within the network element." ::= { pwCepGroups 7 } pwCepFractionalSts1Vc3Group OBJECT-GROUP OBJECTS { pwCepFracMode, pwCepFracConfigError, pwCepFracAsync, pwCepFracVtgMap, pwCepFracEbm, pwCepFracPeerEbm } STATUS current DESCRIPTION "Collection of fractional STS-1/VC3 objects. These objects are optional and should be supported only if fractional STS-1/VC3 is supported within the network element." ::= { pwCepGroups 8 } pwCepFractionalVc4Group OBJECT-GROUP OBJECTS { pwCepFracSdhVc4Mode, pwCepFracSdhVc4Tu3Map1, pwCepFracSdhVc4Tu3Map2, pwCepFracSdhVc4Tu3Map3, pwCepFracSdhVc4Tug2Map1, pwCepFracSdhVc4Tug2Map2, pwCepFracSdhVc4Tug2Map3, pwCepFracSdhVc4Ebm1, pwCepFracSdhVc4Ebm2, pwCepFracSdhVc4Ebm3, pwCepFracSdhVc4PeerEbm1, pwCepFracSdhVc4PeerEbm2, pwCepFracSdhVc4PeerEbm3 } STATUS current Zelig, et al. Standards Track [Page 63]
RFC 6240 PWE3 CEP MIB May 2011 DESCRIPTION "Collection of fractional VC4 objects. These objects are optional and should be supported only if fractional VC4 is supported within the network element." ::= { pwCepGroups 9 } END 8. Security Considerations It is clear that this MIB module is potentially useful for monitoring CEP PWs. This MIB can also be used for configuration of certain objects, and anything that can be configured can be incorrectly configured, with potentially disastrous results. There are number of management objects defined in this MIB module with a MAX-ACCESS clause of read-write and/or read-create. Such objects may be considered sensitive or vulnerable in some network environments. The support for SET operations in a non-secure environment without proper protection can have a negative effect on network operations. These are the tables and objects and their sensitivity/vulnerability: o The pwCepTable, pwCepCfgTable, and pwCepFracTable contain objects to CEP PW parameters on a Provider Edge (PE) device. Unauthorized access to objects in these tables could result in disruption of traffic on the network. The use of stronger mechanisms such as SNMPv3 security should be considered where possible. Specifically, SNMPv3 VACM and USM MUST be used with any v3 agent which implements this MIB module. Administrators should consider whether read access to these objects should be allowed, since read access may be undesirable under certain circumstances. Some of the readable objects in this MIB module (i.e., objects with a MAX-ACCESS other than not-accessible) may be considered sensitive or vulnerable in some network environments. It is thus important to control even GET and/or NOTIFY access to these objects and possibly to even encrypt the values of these objects when sending them over the network via SNMP. These are the tables and objects and their sensitivity/vulnerability: o The pwCepTable, pwCepPerfCurrentTable, pwCepPerfIntervalTable, and pwCepPerf1DayIntervalTable collectively show the CEP pseudowire connectivity topology and its performance characteristics. If an Administrator does not want to reveal this information, then these tables should be considered sensitive/vulnerable. Zelig, et al. Standards Track [Page 64]
RFC 6240 PWE3 CEP MIB May 2011 SNMP versions prior to SNMPv3 did not include adequate security. Even if the network itself is secure (for example, by using IPsec), there is no control as to who on the secure network is allowed to access and GET/SET (read/change/create/delete) the objects in this MIB module. It is RECOMMENDED that implementers consider the security features provided by the SNMPv3 framework (see [RFC3410], section 8), including full support for the SNMPv3 cryptographic mechanisms (for authentication and privacy). Further, deployment of SNMP versions prior to SNMPv3 is NOT RECOMMENDED. Instead, it is RECOMMENDED to deploy SNMPv3 and to enable cryptographic security. It is then a customer/operator responsibility to ensure that the SNMP entity giving access to an instance of this MIB module is properly configured to give access to the objects only to those principals (users) that have legitimate rights to indeed GET or SET (change/create/delete) them. 9. IANA Considerations The MIB module in this document uses the following IANA-assigned OBJECT IDENTIFIER values recorded in the SMI Numbers registry: Descriptor OBJECT IDENTIFIER value ---------- ----------------------- pwCepStdMIB { mib-2 200 } 10. References 10.1. Normative References [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997. [RFC5542] Nadeau, T., Ed., Zelig, D., Ed., and O. Nicklass, Ed., "Definitions of Textual Conventions for Pseudowire (PW) Management", RFC 5542, May 2009. [RFC5601] Nadeau, T., Ed., and D. Zelig, Ed., "Pseudowire (PW) Management Information Base (MIB)", RFC 5601, July 2009. [RFC2578] McCloghrie, K., Perkins, D., and J. Schoenwaelder, "Structure of Management Information Version 2 (SMIv2)", STD 58, RFC 2578, April 1999. Zelig, et al. Standards Track [Page 65]
RFC 6240 PWE3 CEP MIB May 2011 [RFC2579] McCloghrie, K., Perkins, D., and J. Schoenwaelder, "Textual Conventions for SMIv2", STD 58, RFC 2579, April 1999. [RFC2580] McCloghrie, K., Perkins, D., and J. Schoenwaelder, "Conformance Statements for SMIv2", STD 58, RFC 2580, April 1999. [RFC2863] McCloghrie, K. and F. Kastenholz, "The Interfaces Group MIB", RFC 2863, June 2000. [RFC3411] Harrington, D., Presuhn, R., and B. Wijnen, "An Architecture for Describing Simple Network Management Protocol (SNMP) Management Frameworks", STD 62, RFC 3411, December 2002. [RFC3592] Tesink, K., "Definitions of Managed Objects for the Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Interface Type", RFC 3592, September 2003. [RFC3593] Tesink, K., Ed., "Textual Conventions for MIB Modules Using Performance History Based on 15 Minute Intervals", RFC 3593, September 2003. [RFC3705] Ray, B. and R. Abbi, "High Capacity Textual Conventions for MIB Modules Using Performance History Based on 15 Minute Intervals", RFC 3705, February 2004. [RFC4842] Malis, A., Pate, P., Cohen, R., Ed., and D. Zelig, "Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)", RFC 4842, April 2007. 10.2. Informative References [RFC3410] Case, J., Mundy, R., Partain, D., and B. Stewart, "Introduction and Applicability Statements for Internet- Standard Management Framework", RFC 3410, December 2002. [RFC3985] Bryant, S., Ed., and P. Pate, Ed., "Pseudo Wire Emulation Edge-to-Edge (PWE3) Architecture", RFC 3985, March 2005. Zelig, et al. Standards Track [Page 66]
RFC 6240 PWE3 CEP MIB May 2011 11. Contributors The individuals listed below are co-authors of this document. Dave Danenberg was the editor of this document at the pre-WG version of the PW MIB modules. Andrew G. Malis - Tellabs Dave Danenberg - Litchfield Communications Scott C. Park - Litchfield Communications Authors' Addresses David Zelig (editor) PMC-Sierra 4 Hasadnaot St. Herzliya Pituach Israel, 46120 Phone: +972-9-962-8000 Email: david_zelig@pmc-sierra.com Ron Cohen (editor) Resolute Networks 2480 Sand Hill Road, Suite 200 Menlo Park, CA 94025 USA EMail: ronc@resolutenetworks.com Thomas D. Nadeau (editor) CA Technologies 273 Corporate Dr Portsmouth, NH 03801 USA Phone: +1 800 225-5224 EMail: Thomas.Nadeau@ca.com Zelig, et al. Standards Track [Page 67]
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