PW-STD-MIB

PwIndexTypePseudowire Index. A unique value, greater than zero, for each locally defined PW. Used for indexing several MIB tables associated with the particular PW. It is recommended that values are assigned contiguously starting from 1. The value for each PW MUST remain constant at least from one re-initialization to the next re-initialization. (1..4294967295) · Unsigned32 · hint d

A unique index for the conceptual row identifying a PW within this table.

IANAPwTypeTC0 = other1 = frameRelayDlciMartiniMode2 = atmAal5SduVcc3 = atmTransparent4 = ethernetTagged5 = ethernet6 = hdlc7 = ppp8 = cem9 = atmCellNto1Vcc10 = atmCellNto1Vpc11 = ipLayer2Transport12 = atmCell1to1Vcc13 = atmCell1to1Vpc14 = atmAal5PduVcc15 = frameRelayPortMode16 = cep17 = e1Satop18 = t1Satop19 = e3Satop20 = t3Satop21 = basicCesPsn22 = basicTdmIp23 = tdmCasCesPsn24 = tdmCasTdmIp25 = frDlci32767 = wildcardIndicates the PW type (i.e., the carried service). · Integer32

This value indicates the emulated service to be carried over this PW.

INTEGER1 = manual2 = pwIdFecSignaling3 = genFecSignaling4 = l2tpControlProtocol5 = other · Integer32

This object is set by the operator to indicate the protocol responsible for establishing this PW. 'manual' is used in all cases where no maintenance protocol (PW signaling) is used to set up the PW, i.e., configuration of entries in the PW tables including PW labels, etc., is done by setting the MIB fields manually. 'pwIdFecSignaling' is used in case of signaling with the Pwid FEC element with LDP signaling. 'genFecSignaling' is used in case of LDP signaling with the generalized FEC. 'l2tpControlProtocol' indicates the use of the L2TP control protocol. 'other' is used for other types of signaling.

IANAPwPsnTypeTC1 = mpls2 = l2tp3 = udpOverIp4 = mplsOverIp5 = mplsOverGre6 = otherIdentifies the PSN type that the PW will use over the network. · Integer32

This object is set by the operator to indicate the PSN type. Based on this object, the relevant PSN table's entry is created in the PSN-specific MIB modules.

Integer32 (0..7)

This object defines the relative priority of the PW during set-up in a lowest-to-highest fashion, where 0 is the highest priority. PWs with the same priority are treated with equal priority. PWs that have not yet completed setup will report 'dormant' in the pwOperStatus. This value is significant if there are competing resources among PWs and the implementation supports this feature. Equal priority handling with competing resources is implementation specific. This object MAY be changed at any time.

Integer32 (0..7)

This object defines the relative holding priority of the PW in a lowest-to-highest fashion, where 0 is the highest priority. PWs with the same priority are treated equally. This value is significant if there are competing resources among PWs and the implementation supports this feature. Equal priority handling with competing resources is implementation specific. This object MAY be changed only if the PW is not active.

InetAddressType0 = unknown1 = ipv42 = ipv63 = ipv4z4 = ipv6z16 = dnsA value that represents a type of Internet address. unknown(0) An unknown address type. This value MUST be used if the value of the corresponding InetAddress object is a zero-length string. It may also be used to indicate an IP address that is not in one of the formats defined below. ipv4(1) An IPv4 address as defined by the InetAddressIPv4 textual convention. ipv6(2) An IPv6 address as defined by the InetAddressIPv6 textual convention. ipv4z(3) A non-global IPv4 address including a zone index as defined by the InetAddressIPv4z textual convention. ipv6z(4) A non-global IPv6 address including a zone index as defined by the InetAddressIPv6z textual convention. dns(16) A DNS domain name as defined by the InetAddressDNS textual convention. Each definition of a concrete InetAddressType value must be accompanied by a definition of a textual convention for use with that InetAddressType. To support future extensions, the InetAddressType textual convention SHOULD NOT be sub-typed in object type definitions. It MAY be sub-typed in compliance statements in order to require only a subset of these address types for a compliant implementation. Implementations must ensure that InetAddressType objects and any dependent objects (e.g., InetAddress objects) are consistent. An inconsistentValue error must be generated if an attempt to change an InetAddressType object would, for example, lead to an undefined InetAddress value. In particular, InetAddressType/InetAddress pairs must be changed together if the address type changes (e.g., from ipv6(2) to ipv4(1)). · Integer32

Denotes the address type of the peer node. It should be set to 'unknown' if PE/PW maintenance protocol is not used and the address is unknown.

InetAddressDenotes a generic Internet address. An InetAddress value is always interpreted within the context of an InetAddressType value. Every usage of the InetAddress textual convention is required to specify the InetAddressType object that provides the context. It is suggested that the InetAddressType object be logically registered before the object(s) that use the InetAddress textual convention, if they appear in the same logical row. The value of an InetAddress object must always be consistent with the value of the associated InetAddressType object. Attempts to set an InetAddress object to a value inconsistent with the associated InetAddressType must fail with an inconsistentValue error. When this textual convention is used as the syntax of an index object, there may be issues with the limit of 128 sub-identifiers specified in SMIv2, STD 58. In this case, the object definition MUST include a 'SIZE' clause to limit the number of potential instance sub-identifiers; otherwise the applicable constraints MUST be stated in the appropriate conceptual row DESCRIPTION clauses, or in the surrounding documentation if there is no single DESCRIPTION clause that is appropriate. SIZE (0..255) · OCTET STRING

This object contains the value of the peer node address of the PW/PE maintenance protocol entity. This object SHOULD contain a value of all zeroes if not applicable (pwPeerAddrType is 'unknown').

PwIndexOrZeroTypeThis TEXTUAL-CONVENTION is an extension of the PwIndexType convention. The latter defines a greater- than-zero value used to identify a pseudowire in the managed system. This extension permits the additional value of zero. The zero value is object-specific and MUST therefore be defined as part of the description of any object that uses this syntax. Examples of the usage of zero might include situations where pseudowire was unknown, or where none or all pseudowires need to be referenced. · Unsigned32 · hint d

If the PW is attached to another PW instead of a local native service, this item indicates the pwIndex of the attached PW. Otherwise, this object MUST be set to zero. Attachment to another PW will have no PW specific entry in any of the service MIB modules.

InterfaceIndexOrZeroThis textual convention is an extension of the InterfaceIndex convention. The latter defines a greater than zero value used to identify an interface or interface sub-layer in the managed system. This extension permits the additional value of zero. the value zero is object-specific and must therefore be defined as part of the description of any object which uses this syntax. Examples of the usage of zero might include situations where interface was unknown, or when none or all interfaces need to be referenced. (0..2147483647) · Integer32 · hint d

This object indicates the ifIndex of the PW if the PW is represented in the ifTable. Otherwise, it MUST be set to zero.

PwIDTypePseudowire Identifier. Used to identify the PW (together with some other fields) in the signaling session. · Unsigned32 · hint d

Pseudowire identifier. If the pwOwner object is 'pwIdFecSignaling' or 'l2tpControlProtocol', then this object is signaled in the outgoing PW ID field within the 'Virtual Circuit FEC Element'. For other values of pwOwner, this object is not signaled and it MAY be set to zero. For implementations that support the pwIndexMappingTable, a non-zero value is RECOMMENDED, even if this identifier is not signaled. This is so that reverse mappings can be provided by pwIndexMappingTable and pwPeerMappingTable. It is therefore RECOMMENDED that the value of this pwID be unique (or if pwPeerAddrType is not 'unknown', at least [pwType, pwID, pwPeerAddrType, pwPeerAddr] is unique.) ⓘ

PwGroupIDAn administrative identification for grouping a set of service-specific pseudowire services. · Unsigned32 · hint d

Used in the Group ID field sent to the peer PW End Service within the maintenance protocol used for PW setup. It SHOULD be set to zero if a maintenance protocol is not used. ⓘ

PwAttachmentIdentifierTypeAn octet string used in the generalized Forward Error Correction (FEC) element for identifying attachment forwarder and groups. A NULL identifier is of zero length. SIZE (0..255) · OCTET STRING

This object is an octet string representing the attachment group identifier (AGI) that this PW belongs to, which typically identifies the VPN ID. Applicable if pwOwner equals 'genFecSignaling'. ⓘ

PwAttachmentIdentifierTypeAn octet string used in the generalized Forward Error Correction (FEC) element for identifying attachment forwarder and groups. A NULL identifier is of zero length. SIZE (0..255) · OCTET STRING

This object is an octet string representing the local forwarder attachment individual identifier (AII) to be used by this PW. It is used as the Source AII (SAII) for outgoing signaling messages and the Target AII (TAII) in the incoming messages from the peer. Applicable if pwOwner equal 'genFecSignaling'. ⓘ

PwAttachmentIdentifierTypeAn octet string used in the generalized Forward Error Correction (FEC) element for identifying attachment forwarder and groups. A NULL identifier is of zero length. SIZE (0..255) · OCTET STRING

This object is an octet string representing the remote forwarder attachment individual identifier (AII) to be used by this PW. It is used as the TAII for outgoing signaling messages and the SAII in the incoming messages from the peer. Applicable if pwOwner equals 'genFecSignaling'. ⓘ

TruthValue1 = true2 = falseRepresents a boolean value. · Integer32

Defines if the control word will be sent with each packet by the local node. Some PW types mandate the use of a control word, and in such cases, the value configured for this object has no effect on the existence of the control word. This object MAY be changed only if the PW is not active. ⓘ

Unsigned32 (0..65535)

If not equal to zero, the optional IfMtu object in the signaling protocol will be sent with this value, which represents the locally supported MTU size over the interface (or the virtual interface) associated with the PW. This object MAY be changed only if the PW is not active. ⓘ

TruthValue1 = true2 = falseRepresents a boolean value. · Integer32

A PW MAY be associated to an interface (or a virtual interface) in the ifTable of the node as part of the service configuration. This object defines if the maintenance protocol will send the interface's name (ifAlias) as it appears in the ifTable. If set to false, the optional element will not be sent. This object MAY be changed only if the PW is not active. ⓘ

IANAPwCapabilitiesThis TC describes a collection of capabilities related to a specific PW. Values may be added in the future based on new capabilities introduced in IETF documents. · BITS

If a maintenance protocol is used, it indicates the capabilities the local node will advertise to the peer. The operator MAY selectively assign a partial set of capabilities. In case of manual configuration of the PW, the operator SHOULD set non-conflicting options (for example, only a single type of Operations, Administration, and Management (OAM)) out of the available options in the implementation. It is possible to change the value of this object when the PW is not active. The agent MUST reject any attempt to set a capability that is not supported. The default value MUST be the full set of local node capabilities. ⓘ

PwGroupIDAn administrative identification for grouping a set of service-specific pseudowire services. · Unsigned32 · hint d

This object is obtained from the Group ID field as received via the maintenance protocol used for PW setup. Value of zero will be reported if not used. Value of 0xFFFFFFFF shall be used if the object is yet to be defined by the PW maintenance protocol. ⓘ

PwCwStatusTC1 = waitingForNextMsg2 = sentWrongBitErrorCode3 = rxWithdrawWithWrongBitErrorCode4 = illegalReceivedBit5 = cwPresent6 = cwNotPresent7 = notYetKnownIndicates the status of the control word (CW) negotiation based on the local configuration and the indications received from the peer node. waitingForNextMsg(1) indicates that the node is waiting for another label mapping from the peer. sentWrongBitErrorCode(2) indicates that the local node has notified the peer about a mismatch in the C-bit. rxWithdrawWithWrongBitErrorCode(3) indicates that a withdraw message has been received with the wrong C-bit error code. illegalReceivedBit(4) indicates a C-bit configuration with the peer that is not compatible with the PW type. cwPresent(5) indicates that the CW is present for this PW. If signaling is used, the C-bit is set and agreed upon between the nodes. For manually configured PW, the local configuration requires the use of the CW. cwNotPresent(6) indicates that the CW is not present for this PW. If signaling is used, the C-bit is reset and agreed upon between the nodes. For manually configured PW, the local configuration requires that the CW not be used. notYetKnown(7) indicates that a label mapping has not yet been received from the peer.Reference: Martini, et al., 'Pseudowire Setup and Maintenance Using the Label Distribution Protocol', [RFC4447]. · Integer32

If signaling is used for PW establishment, this object indicates the status of the control word negotiation. For either signaling or manual configuration, it indicates if the control word (CW) is to be present for this PW. ⓘ

Unsigned32

The remote interface MTU as (optionally) received from the remote node via the maintenance protocol. The object SHOULD report zero if the MTU is not available. ⓘ

SnmpAdminStringAn octet string containing administrative information, preferably in human-readable form. To facilitate internationalization, this information is represented using the ISO/IEC IS 10646-1 character set, encoded as an octet string using the UTF-8 transformation format described in [RFC2279]. Since additional code points are added by amendments to the 10646 standard from time to time, implementations must be prepared to encounter any code point from 0x00000000 to 0x7fffffff. Byte sequences that do not correspond to the valid UTF-8 encoding of a code point or are outside this range are prohibited. The use of control codes should be avoided. When it is necessary to represent a newline, the control code sequence CR LF should be used. The use of leading or trailing white space should be avoided. For code points not directly supported by user interface hardware or software, an alternative means of entry and display, such as hexadecimal, may be provided. For information encoded in 7-bit US-ASCII, the UTF-8 encoding is identical to the US-ASCII encoding. UTF-8 may require multiple bytes to represent a single character / code point; thus the length of this object in octets may be different from the number of characters encoded. Similarly, size constraints refer to the number of encoded octets, not the number of characters represented by an encoding. Note that when this TC is used for an object that is used or envisioned to be used as an index, then a SIZE restriction MUST be specified so that the number of sub-identifiers for any object instance does not exceed the limit of 128, as defined by [RFC3416]. Note that the size of an SnmpAdminString object is measured in octets, not characters. SIZE (0..80) · OCTET STRING · hint 255t

Indicates the interface description string as received by the maintenance protocol. It MUST be a NULL string if a maintenance protocol is not used or the value is not known yet. ⓘ

IANAPwCapabilitiesThis TC describes a collection of capabilities related to a specific PW. Values may be added in the future based on new capabilities introduced in IETF documents. · BITS

Indicates the capabilities as received from the peer. ⓘ

PwFragSizeIf set to a value other than zero, it indicates the desired fragmentation length in bytes. If set to zero, fragmentation is not desired for PSN bound packets. · Unsigned32 · hint d · bytes

If set to a value other than zero, indicates that fragmentation is desired for this PW. This object MAY be changed only if the PW is not active. ⓘ

PwFragStatusIndicates the status of the fragmentation/reassembly process based on local configuration and peer capability. noFrag(0) bit indicates that local configuration is for no fragmentation. cfgFragGreaterThanPsnMtu(1) bit indicates that the local node is set to fragment, but the fragmentation size is greater than the MTU available at the PSN between the nodes. Fragmentation is not done in this case. cfgFragButRemoteIncapable(2) bit indicates that the local configuration conveys the desire for fragmentation but the peer is not capable of reassembly. remoteFragCapable(3) bit indicates that the remote node is capable to accept fragmented PDUs. fragEnabled(4) bit indicates that fragmentation will be used on this PW. Fragmentation can be used if the local node was configured for fragmentation, the peer has the capability to accept fragmented packets, and the CW is in use for this PW.Reference: Malis, A. and M. Townsley, 'Pseudowire Emulation Edge-to- Edge (PWE3) Fragmentation and Reassembly', [RFC4623]. · BITS

The status of the fragmentation based on the local configuration and the peer capabilities as received from the peer when a control protocol is used. ⓘ

INTEGER1 = fcsRetentionDisable2 = fcsRetentionEnable · Integer32

The local configuration of Frame Check Sequence (FCS) retention for this PW. FCS retention can be configured for PW types High-Level Data Link Control (HDLC), Point-to-Point Protocol (PPP), and Ethernet only. If the implementation does not support FCS retention, an error MUST be reported in pwFcsRetentionStatus. This object MAY be changed only if the PW is not active. ⓘ

BITS

The status of the FCS retention negotiation process based on local configuration and the remote advertisement. remoteIndicationUnknown - set if a FEC has not been received from the remote. remoteRequestFcsRetention - indicates that the peer has requested FCS retention. FCS retention will be used if the local node is capable and configured to use it for this PW. fcsRetentionEnabled - FCS retention is enabled (both peers were configured for FCS retention for signaled PW, or the local node is configured and capable of FCS retention for manually assigned PWs). fcsRetentionDisabled - FCS retention is disabled (not configured locally or not advertised by the peer). localFcsRetentionCfgErr - set if the local node has been configured for FCS retention but is not capable to support it. fcsRetentionFcsSizeMismatch - set if there is an FCS size mismatch between the local and the peer node. ⓘ

Unsigned32

The PW label used in the outbound direction (i.e., toward the PSN). It might be set manually if pwOwner is 'manual'; otherwise, it is set automatically. For MPLS, MPLS over IP, or MPLS over Generic Routing Encapsulation (GRE) PSN, it represents the 20-bit PW tag; for L2TP, it represents the 32-bit Session ID; and for IP PSN, it represents the destination UDP port number. If the label is not yet known (signaling in process), the object SHOULD return a value of 0xFFFFFFFF. For manual configuration, this object MAY be changed only if the PW is not active.

Unsigned32

The PW label used in the inbound direction (i.e., packets received from the PSN). It may be set manually if pwOwner is 'manual'; otherwise, it is set automatically. For MPLS, MPLS over IP, or MPLS over GRE PSN, it represents the 20-bit PW tag; for L2TP, it represents the 32-bit Session ID; and for IP PSN, it represents the source UDP port number. If the label is not yet known (signaling in process), the object SHOULD return a value of 0xFFFFFFFF. For manual configuration, this object MAY be changed only if the PW is not active.

SnmpAdminStringAn octet string containing administrative information, preferably in human-readable form. To facilitate internationalization, this information is represented using the ISO/IEC IS 10646-1 character set, encoded as an octet string using the UTF-8 transformation format described in [RFC2279]. Since additional code points are added by amendments to the 10646 standard from time to time, implementations must be prepared to encounter any code point from 0x00000000 to 0x7fffffff. Byte sequences that do not correspond to the valid UTF-8 encoding of a code point or are outside this range are prohibited. The use of control codes should be avoided. When it is necessary to represent a newline, the control code sequence CR LF should be used. The use of leading or trailing white space should be avoided. For code points not directly supported by user interface hardware or software, an alternative means of entry and display, such as hexadecimal, may be provided. For information encoded in 7-bit US-ASCII, the UTF-8 encoding is identical to the US-ASCII encoding. UTF-8 may require multiple bytes to represent a single character / code point; thus the length of this object in octets may be different from the number of characters encoded. Similarly, size constraints refer to the number of encoded octets, not the number of characters represented by an encoding. Note that when this TC is used for an object that is used or envisioned to be used as an index, then a SIZE restriction MUST be specified so that the number of sub-identifiers for any object instance does not exceed the limit of 128, as defined by [RFC3416]. Note that the size of an SnmpAdminString object is measured in octets, not characters. SIZE (0..255) · OCTET STRING · hint 255t

The canonical name assigned to the PW. This object MAY be changed at any time.

SnmpAdminStringAn octet string containing administrative information, preferably in human-readable form. To facilitate internationalization, this information is represented using the ISO/IEC IS 10646-1 character set, encoded as an octet string using the UTF-8 transformation format described in [RFC2279]. Since additional code points are added by amendments to the 10646 standard from time to time, implementations must be prepared to encounter any code point from 0x00000000 to 0x7fffffff. Byte sequences that do not correspond to the valid UTF-8 encoding of a code point or are outside this range are prohibited. The use of control codes should be avoided. When it is necessary to represent a newline, the control code sequence CR LF should be used. The use of leading or trailing white space should be avoided. For code points not directly supported by user interface hardware or software, an alternative means of entry and display, such as hexadecimal, may be provided. For information encoded in 7-bit US-ASCII, the UTF-8 encoding is identical to the US-ASCII encoding. UTF-8 may require multiple bytes to represent a single character / code point; thus the length of this object in octets may be different from the number of characters encoded. Similarly, size constraints refer to the number of encoded octets, not the number of characters represented by an encoding. Note that when this TC is used for an object that is used or envisioned to be used as an index, then a SIZE restriction MUST be specified so that the number of sub-identifiers for any object instance does not exceed the limit of 128, as defined by [RFC3416]. Note that the size of an SnmpAdminString object is measured in octets, not characters. SIZE (0..255) · OCTET STRING · hint 255t

A textual string containing information about the PW. If there is no description, this object contains a zero- length string. This object MAY be changed at any time.

TimeStampThe value of the sysUpTime object at which a specific occurrence happened. The specific occurrence must be defined in the description of any object defined using this type. If sysUpTime is reset to zero as a result of a re- initialization of the network management (sub)system, then the values of all TimeStamp objects are also reset. However, after approximately 497 days without a re- initialization, the sysUpTime object will reach 2^^32-1 and then increment around to zero; in this case, existing values of TimeStamp objects do not change. This can lead to ambiguities in the value of TimeStamp objects. · TimeTicks

The value of sysUpTime at the time this PW was created.

TimeTicks

Specifies the time since last change of pwOperStatus to Up(1).

TimeTicks

The value of sysUpTime at the time the PW entered its current operational state. If the current state was entered prior to the last re-initialization of the local network management subsystem, then this object contains a zero value.

INTEGER1 = up2 = down3 = testing · Integer32

The desired operational status of this PW. This object MAY be set at any time.

PwOperStatusTC1 = up2 = down3 = testing4 = dormant5 = notPresent6 = lowerLayerDownIndicates the operational status of the PW. - up(1): Ready to pass packets. - down(2): PW signaling is not yet finished, or indications available at the service level indicate that the PW is not passing packets. - testing(3): AdminStatus at the PW level is set to test. - dormant(4): The PW is not in a condition to pass packets but is in a 'pending' state, waiting for some external event. - notPresent(5): Some component is missing to accomplish the setup of the PW. It can be configuration error, incomplete configuration, or a missing H/W component. - lowerLayerDown(6): One or more of the lower-layer interfaces responsible for running the underlying PSN is not in OperStatus 'up' state. · Integer32

This object indicates the operational status of the PW; it does not reflect the status of the Customer Edge (CE) bound interface. It is set to down only if pwNotForwarding, psnFacingPwRxFault, or psnFacingPwTxFault indications are set in pwLocalStatus or pwRemoteStatus. It indicates 'lowerLayerDown' if the only reason for not being in the 'up' state is that either the outer tunnel or physical layer of the network side is in the 'down' state. All other states are declared based on the description of the PwOperStatusTC.

PwStatusIndicates the status of the PW and the interfaces affecting this PW. If none of the bits are set, it indicates no faults are reported. · BITS

Indicates the status of the PW in the local node. The various indications in this object SHOULD be available independent of the ability of the local node to advertise them or the remote node to accept these status indications through the control protocol.

INTEGER1 = notApplicable2 = notYetKnown3 = remoteCapable4 = remoteNotCapable · Integer32

Indicates the remote node capability to advertise the PW status notification. notApplicable SHOULD be reported for a manually set PW, or if the local node is not capable of accepting the status notification object. notYetKnown SHOULD be reported if the signaling protocol has not yet finished the process of capability determination. remoteCapable and remoteNotcapable SHOULD be reported based on the initial signaling exchange that has determined the remote node capability.

PwStatusIndicates the status of the PW and the interfaces affecting this PW. If none of the bits are set, it indicates no faults are reported. · BITS

Indicates the status of the PW as was advertised by the remote. If the remote is not capable of advertising the status object, or the local node is not able to accept the status object through signaling, then the applicable bit is 'pwNotForwarding', which is set if the remote has sent label release or label withdraw for this PW.

HCPerfTimeElapsedThe number of 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 or the addition of a leap second, the duration of the current interval exceeds the maximum value, the agent will return the maximum value. For 15 minute intervals, the range is limited to (0..899). For 24 hour intervals, the range is limited to (0..86399). (0..86399) · Integer32

The number of seconds, including partial seconds, that have elapsed since the beginning of the current interval measurement period.

HCPerfValidIntervalsThe number of near end intervals for which data was collected. The value of an object with an HCPerfValidIntervals syntax will be 96 unless the measurement was (re-)started within the last 1440 minutes, in which case the value will be the number of complete 15 minute intervals for which the agent has at least some data. In certain cases (e.g., in the case where the agent is a proxy) it is possible that some intervals are unavailable. In this case, this interval is the maximum interval number for which data is available. (0..96) · Integer32

The number of previous 15-minute intervals for which data was collected.

RowStatus1 = active2 = notInService3 = notReady4 = createAndGo5 = createAndWait6 = destroyThe RowStatus textual convention is used to manage the creation and deletion of conceptual rows, and is used as the value of the SYNTAX clause for the status column of a conceptual row (as described in Section 7.7.1 of [2].) The status column has six defined values: - `active', which indicates that the conceptual row is available for use by the managed device; - `notInService', which indicates that the conceptual row exists in the agent, but is unavailable for use by the managed device (see NOTE below); 'notInService' has no implication regarding the internal consistency of the row, availability of resources, or consistency with the current state of the managed device; - `notReady', which indicates that the conceptual row exists in the agent, but is missing information necessary in order to be available for use by the managed device (i.e., one or more required columns in the conceptual row have not been instanciated); - `createAndGo', which is supplied by a management station wishing to create a new instance of a conceptual row and to have its status automatically set to active, making it available for use by the managed device; - `createAndWait', which is supplied by a management station wishing to create a new instance of a conceptual row (but not make it available for use by the managed device); and, - `destroy', which is supplied by a management station wishing to delete all of the instances associated with an existing conceptual row. Whereas five of the six values (all except `notReady') may be specified in a management protocol set operation, only three values will be returned in response to a management protocol retrieval operation: `notReady', `notInService' or `active'. That is, when queried, an existing conceptual row has only three states: it is either available for use by the managed device (the status column has value `active'); it is not available for use by the managed device, though the agent has sufficient information to attempt to make it so (the status column has value `notInService'); or, it is not available for use by the managed device, and an attempt to make it so would fail because the agent has insufficient information (the state column has value `notReady'). NOTE WELL This textual convention may be used for a MIB table, irrespective of whether the values of that table's conceptual rows are able to be modified while it is active, or whether its conceptual rows must be taken out of service in order to be modified. That is, it is the responsibility of the DESCRIPTION clause of the status column to specify whether the status column must not be `active' in order for the value of some other column of the same conceptual row to be modified. If such a specification is made, affected columns may be changed by an SNMP set PDU if the RowStatus would not be equal to `active' either immediately before or after processing the PDU. In other words, if the PDU also contained a varbind that would change the RowStatus value, the column in question may be changed if the RowStatus was not equal to `active' as the PDU was received, or if the varbind sets the status to a value other than 'active'. Also note that whenever any elements of a row exist, the RowStatus column must also exist. To summarize the effect of having a conceptual row with a status column having a SYNTAX clause value of RowStatus, consider the following state diagram: STATE +--------------+-----------+-------------+------------- | A | B | C | D | |status col.|status column| |status column | is | is |status column ACTION |does not exist| notReady | notInService| is active --------------+--------------+-----------+-------------+------------- set status |noError ->D|inconsist- |inconsistent-|inconsistent- column to | or | entValue| Value| Value createAndGo |inconsistent- | | | | Value| | | --------------+--------------+-----------+-------------+------------- set status |noError see 1|inconsist- |inconsistent-|inconsistent- column to | or | entValue| Value| Value createAndWait |wrongValue | | | --------------+--------------+-----------+-------------+------------- set status |inconsistent- |inconsist- |noError |noError column to | Value| entValue| | active | | | | | | or | | | | | | | |see 2 ->D|see 8 ->D| ->D --------------+--------------+-----------+-------------+------------- set status |inconsistent- |inconsist- |noError |noError ->C column to | Value| entValue| | notInService | | | | | | or | | or | | | | | |see 3 ->C| ->C|see 6 --------------+--------------+-----------+-------------+------------- set status |noError |noError |noError |noError ->A column to | | | | or destroy | ->A| ->A| ->A|see 7 --------------+--------------+-----------+-------------+------------- set any other |see 4 |noError |noError |see 5 column to some| | | | value | | see 1| ->C| ->D --------------+--------------+-----------+-------------+------------- (1) goto B or C, depending on information available to the agent. (2) if other variable bindings included in the same PDU, provide values for all columns which are missing but required, and all columns have acceptable values, then return noError and goto D. (3) if other variable bindings included in the same PDU, provide legal values for all columns which are missing but required, then return noError and goto C. (4) at the discretion of the agent, the return value may be either: inconsistentName: because the agent does not choose to create such an instance when the corresponding RowStatus instance does not exist, or inconsistentValue: if the supplied value is inconsistent with the state of some other MIB object's value, or noError: because the agent chooses to create the instance. If noError is returned, then the instance of the status column must also be created, and the new state is B or C, depending on the information available to the agent. If inconsistentName or inconsistentValue is returned, the row remains in state A. (5) depending on the MIB definition for the column/table, either noError or inconsistentValue may be returned. (6) the return value can indicate one of the following errors: wrongValue: because the agent does not support notInService (e.g., an agent which does not support createAndWait), or inconsistentValue: because the agent is unable to take the row out of service at this time, perhaps because it is in use and cannot be de-activated. (7) the return value can indicate the following error: inconsistentValue: because the agent is unable to remove the row at this time, perhaps because it is in use and cannot be de-activated. (8) the transition to D can fail, e.g., if the values of the conceptual row are inconsistent, then the error code would be inconsistentValue. NOTE: Other processing of (this and other varbinds of) the set request may result in a response other than noError being returned, e.g., wrongValue, noCreation, etc. Conceptual Row Creation There are four potential interactions when creating a conceptual row: selecting an instance-identifier which is not in use; creating the conceptual row; initializing any objects for which the agent does not supply a default; and, making the conceptual row available for use by the managed device. Interaction 1: Selecting an Instance-Identifier The algorithm used to select an instance-identifier varies for each conceptual row. In some cases, the instance- identifier is semantically significant, e.g., the destination address of a route, and a management station selects the instance-identifier according to the semantics. In other cases, the instance-identifier is used solely to distinguish conceptual rows, and a management station without specific knowledge of the conceptual row might examine the instances present in order to determine an unused instance-identifier. (This approach may be used, but it is often highly sub-optimal; however, it is also a questionable practice for a naive management station to attempt conceptual row creation.) Alternately, the MIB module which defines the conceptual row might provide one or more objects which provide assistance in determining an unused instance-identifier. For example, if the conceptual row is indexed by an integer-value, then an object having an integer-valued SYNTAX clause might be defined for such a purpose, allowing a management station to issue a management protocol retrieval operation. In order to avoid unnecessary collisions between competing management stations, `adjacent' retrievals of this object should be different. Finally, the management station could select a pseudo-random number to use as the index. In the event that this index was already in use and an inconsistentValue was returned in response to the management protocol set operation, the management station should simply select a new pseudo-random number and retry the operation. A MIB designer should choose between the two latter algorithms based on the size of the table (and therefore the efficiency of each algorithm). For tables in which a large number of entries are expected, it is recommended that a MIB object be defined that returns an acceptable index for creation. For tables with small numbers of entries, it is recommended that the latter pseudo-random index mechanism be used. Interaction 2: Creating the Conceptual Row Once an unused instance-identifier has been selected, the management station determines if it wishes to create and activate the conceptual row in one transaction or in a negotiated set of interactions. Interaction 2a: Creating and Activating the Conceptual Row The management station must first determine the column requirements, i.e., it must determine those columns for which it must or must not provide values. Depending on the complexity of the table and the management station's knowledge of the agent's capabilities, this determination can be made locally by the management station. Alternately, the management station issues a management protocol get operation to examine all columns in the conceptual row that it wishes to create. In response, for each column, there are three possible outcomes: - a value is returned, indicating that some other management station has already created this conceptual row. We return to interaction 1. - the exception `noSuchInstance' is returned, indicating that the agent implements the object-type associated with this column, and that this column in at least one conceptual row would be accessible in the MIB view used by the retrieval were it to exist. For those columns to which the agent provides read-create access, the `noSuchInstance' exception tells the management station that it should supply a value for this column when the conceptual row is to be created. - the exception `noSuchObject' is returned, indicating that the agent does not implement the object-type associated with this column or that there is no conceptual row for which this column would be accessible in the MIB view used by the retrieval. As such, the management station can not issue any management protocol set operations to create an instance of this column. Once the column requirements have been determined, a management protocol set operation is accordingly issued. This operation also sets the new instance of the status column to `createAndGo'. When the agent processes the set operation, it verifies that it has sufficient information to make the conceptual row available for use by the managed device. The information available to the agent is provided by two sources: the management protocol set operation which creates the conceptual row, and, implementation-specific defaults supplied by the agent (note that an agent must provide implementation-specific defaults for at least those objects which it implements as read-only). If there is sufficient information available, then the conceptual row is created, a `noError' response is returned, the status column is set to `active', and no further interactions are necessary (i.e., interactions 3 and 4 are skipped). If there is insufficient information, then the conceptual row is not created, and the set operation fails with an error of `inconsistentValue'. On this error, the management station can issue a management protocol retrieval operation to determine if this was because it failed to specify a value for a required column, or, because the selected instance of the status column already existed. In the latter case, we return to interaction 1. In the former case, the management station can re-issue the set operation with the additional information, or begin interaction 2 again using `createAndWait' in order to negotiate creation of the conceptual row. NOTE WELL Regardless of the method used to determine the column requirements, it is possible that the management station might deem a column necessary when, in fact, the agent will not allow that particular columnar instance to be created or written. In this case, the management protocol set operation will fail with an error such as `noCreation' or `notWritable'. In this case, the management station decides whether it needs to be able to set a value for that particular columnar instance. If not, the management station re-issues the management protocol set operation, but without setting a value for that particular columnar instance; otherwise, the management station aborts the row creation algorithm. Interaction 2b: Negotiating the Creation of the Conceptual Row The management station issues a management protocol set operation which sets the desired instance of the status column to `createAndWait'. If the agent is unwilling to process a request of this sort, the set operation fails with an error of `wrongValue'. (As a consequence, such an agent must be prepared to accept a single management protocol set operation, i.e., interaction 2a above, containing all of the columns indicated by its column requirements.) Otherwise, the conceptual row is created, a `noError' response is returned, and the status column is immediately set to either `notInService' or `notReady', depending on whether it has sufficient information to (attempt to) make the conceptual row available for use by the managed device. If there is sufficient information available, then the status column is set to `notInService'; otherwise, if there is insufficient information, then the status column is set to `notReady'. Regardless, we proceed to interaction 3. Interaction 3: Initializing non-defaulted Objects The management station must now determine the column requirements. It issues a management protocol get operation to examine all columns in the created conceptual row. In the response, for each column, there are three possible outcomes: - a value is returned, indicating that the agent implements the object-type associated with this column and had sufficient information to provide a value. For those columns to which the agent provides read-create access (and for which the agent allows their values to be changed after their creation), a value return tells the management station that it may issue additional management protocol set operations, if it desires, in order to change the value associated with this column. - the exception `noSuchInstance' is returned, indicating that the agent implements the object-type associated with this column, and that this column in at least one conceptual row would be accessible in the MIB view used by the retrieval were it to exist. However, the agent does not have sufficient information to provide a value, and until a value is provided, the conceptual row may not be made available for use by the managed device. For those columns to which the agent provides read-create access, the `noSuchInstance' exception tells the management station that it must issue additional management protocol set operations, in order to provide a value associated with this column. - the exception `noSuchObject' is returned, indicating that the agent does not implement the object-type associated with this column or that there is no conceptual row for which this column would be accessible in the MIB view used by the retrieval. As such, the management station can not issue any management protocol set operations to create an instance of this column. If the value associated with the status column is `notReady', then the management station must first deal with all `noSuchInstance' columns, if any. Having done so, the value of the status column becomes `notInService', and we proceed to interaction 4. Interaction 4: Making the Conceptual Row Available Once the management station is satisfied with the values associated with the columns of the conceptual row, it issues a management protocol set operation to set the status column to `active'. If the agent has sufficient information to make the conceptual row available for use by the managed device, the management protocol set operation succeeds (a `noError' response is returned). Otherwise, the management protocol set operation fails with an error of `inconsistentValue'. NOTE WELL A conceptual row having a status column with value `notInService' or `notReady' is unavailable to the managed device. As such, it is possible for the managed device to create its own instances during the time between the management protocol set operation which sets the status column to `createAndWait' and the management protocol set operation which sets the status column to `active'. In this case, when the management protocol set operation is issued to set the status column to `active', the values held in the agent supersede those used by the managed device. If the management station is prevented from setting the status column to `active' (e.g., due to management station or network failure) the conceptual row will be left in the `notInService' or `notReady' state, consuming resources indefinitely. The agent must detect conceptual rows that have been in either state for an abnormally long period of time and remove them. It is the responsibility of the DESCRIPTION clause of the status column to indicate what an abnormally long period of time would be. This period of time should be long enough to allow for human response time (including `think time') between the creation of the conceptual row and the setting of the status to `active'. In the absence of such information in the DESCRIPTION clause, it is suggested that this period be approximately 5 minutes in length. This removal action applies not only to newly-created rows, but also to previously active rows which are set to, and left in, the notInService state for a prolonged period exceeding that which is considered normal for such a conceptual row. Conceptual Row Suspension When a conceptual row is `active', the management station may issue a management protocol set operation which sets the instance of the status column to `notInService'. If the agent is unwilling to do so, the set operation fails with an error of `wrongValue' or `inconsistentValue'. Otherwise, the conceptual row is taken out of service, and a `noError' response is returned. It is the responsibility of the DESCRIPTION clause of the status column to indicate under what circumstances the status column should be taken out of service (e.g., in order for the value of some other column of the same conceptual row to be modified). Conceptual Row Deletion For deletion of conceptual rows, a management protocol set operation is issued which sets the instance of the status column to `destroy'. This request may be made regardless of the current value of the status column (e.g., it is possible to delete conceptual rows which are either `notReady', `notInService' or `active'.) If the operation succeeds, then all instances associated with the conceptual row are immediately removed. · Integer32

For creating, modifying, and deleting this row. This object MAY be changed at any time.

StorageType1 = other2 = volatile3 = nonVolatile4 = permanent5 = readOnlyDescribes the memory realization of a conceptual row. A row which is volatile(2) is lost upon reboot. A row which is either nonVolatile(3), permanent(4) or readOnly(5), is backed up by stable storage. A row which is permanent(4) can be changed but not deleted. A row which is readOnly(5) cannot be changed nor deleted. If the value of an object with this syntax is either permanent(4) or readOnly(5), it cannot be written. Conversely, if the value is either other(1), volatile(2) or nonVolatile(3), it cannot be modified to be permanent(4) or readOnly(5). (All illegal modifications result in a 'wrongValue' error.) Every usage of this textual convention is required to specify the columnar objects which a permanent(4) row must at a minimum allow to be writable. · Integer32

This variable indicates the storage type for this object.

TruthValue1 = true2 = falseRepresents a boolean value. · Integer32

This variable indicates if OAM is enabled for this PW. It MAY be changed at any time.

PwGenIdTypeRepresents the Attachment Group Identifier (AGI) Type and Attachment Individual Identifier (AII) Type in generalized FEC signaling and configuration. (0..254) · Unsigned32

This variable indicates the AGI type if generalized FEC (129) is used for PW signaling or configuration. It SHOULD return the value of zero otherwise.

PwGenIdTypeRepresents the Attachment Group Identifier (AGI) Type and Attachment Individual Identifier (AII) Type in generalized FEC signaling and configuration. (0..254) · Unsigned32

This object is the type of the local forwarder attachment individual identifier (AII) to be used by this PW if generalized FEC (129) is used for PW signaling or configuration.

PwGenIdTypeRepresents the Attachment Group Identifier (AGI) Type and Attachment Individual Identifier (AII) Type in generalized FEC signaling and configuration. (0..254) · Unsigned32

This object is the type of the remote forwarder attachment individual identifier (AII) to be used by this PW if generalized FEC (129) is used for PW signaling or configuration.

HCPerfCurrentCountA gauge associated with a performance measurement in a current 15 minute measurement interval. The value of an object with an HCPerfCurrentCount syntax starts from zero and is increased when associated events occur, until the end of the 15 minute interval. At that time the value of the gauge is stored in the first 15 minute history interval, and the gauge is restarted at zero. In the case where the agent has no valid data available for the current interval, the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist. This count represents a non-negative integer, which may increase or decrease, but shall never exceed 2^64-1 (18446744073709551615 decimal), nor fall below 0. The value of an object with HCPerfCurrentCount syntax assumes its maximum value whenever the underlying count exceeds 2^64-1. If the underlying count subsequently decreases below 2^64-1 (due, e.g., to a retroactive adjustment as a result of entering or exiting unavailable time), then the object's value also decreases. Note that this TC is not strictly supported in SMIv2, because the 'always increasing' and 'counter wrap' semantics associated with the Counter64 base type are not preserved. It is possible that management applications which rely solely upon the (Counter64) ASN.1 tag to determine object semantics will mistakenly operate upon objects of this type as they would for Counter64 objects. This textual convention represents a limited and short- term solution, and may be deprecated as a long term solution is defined and deployed to replace it. (0..18446744073709551615) · Counter64

High-capacity counter for number of packets received by the PW (from the PSN) in the current 15-minute interval. This is the 64-bit version of pwPerfCurrentInPackets, if pwPerfCurrentInHCPackets is supported according to the rules spelled out in RFC 2863.

HCPerfCurrentCountA gauge associated with a performance measurement in a current 15 minute measurement interval. The value of an object with an HCPerfCurrentCount syntax starts from zero and is increased when associated events occur, until the end of the 15 minute interval. At that time the value of the gauge is stored in the first 15 minute history interval, and the gauge is restarted at zero. In the case where the agent has no valid data available for the current interval, the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist. This count represents a non-negative integer, which may increase or decrease, but shall never exceed 2^64-1 (18446744073709551615 decimal), nor fall below 0. The value of an object with HCPerfCurrentCount syntax assumes its maximum value whenever the underlying count exceeds 2^64-1. If the underlying count subsequently decreases below 2^64-1 (due, e.g., to a retroactive adjustment as a result of entering or exiting unavailable time), then the object's value also decreases. Note that this TC is not strictly supported in SMIv2, because the 'always increasing' and 'counter wrap' semantics associated with the Counter64 base type are not preserved. It is possible that management applications which rely solely upon the (Counter64) ASN.1 tag to determine object semantics will mistakenly operate upon objects of this type as they would for Counter64 objects. This textual convention represents a limited and short- term solution, and may be deprecated as a long term solution is defined and deployed to replace it. (0..18446744073709551615) · Counter64

High-capacity counter for number of bytes received by the PW (from the PSN) in the current 15-minute interval. This is the 64-bit version of pwPerfCurrentInBytes, if pwPerfCurrentInHCBytes is supported according to the rules spelled out in RFC 2863.

HCPerfCurrentCountA gauge associated with a performance measurement in a current 15 minute measurement interval. The value of an object with an HCPerfCurrentCount syntax starts from zero and is increased when associated events occur, until the end of the 15 minute interval. At that time the value of the gauge is stored in the first 15 minute history interval, and the gauge is restarted at zero. In the case where the agent has no valid data available for the current interval, the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist. This count represents a non-negative integer, which may increase or decrease, but shall never exceed 2^64-1 (18446744073709551615 decimal), nor fall below 0. The value of an object with HCPerfCurrentCount syntax assumes its maximum value whenever the underlying count exceeds 2^64-1. If the underlying count subsequently decreases below 2^64-1 (due, e.g., to a retroactive adjustment as a result of entering or exiting unavailable time), then the object's value also decreases. Note that this TC is not strictly supported in SMIv2, because the 'always increasing' and 'counter wrap' semantics associated with the Counter64 base type are not preserved. It is possible that management applications which rely solely upon the (Counter64) ASN.1 tag to determine object semantics will mistakenly operate upon objects of this type as they would for Counter64 objects. This textual convention represents a limited and short- term solution, and may be deprecated as a long term solution is defined and deployed to replace it. (0..18446744073709551615) · Counter64

High-capacity counter for number of packets forwarded by the PW (to the PSN) in the current 15-minute interval. This is the 64-bit version of pwPerfCurrentOutPackets, if pwPerfCurrentOutHCPackets is supported according to the rules spelled out in RFC 2863.

HCPerfCurrentCountA gauge associated with a performance measurement in a current 15 minute measurement interval. The value of an object with an HCPerfCurrentCount syntax starts from zero and is increased when associated events occur, until the end of the 15 minute interval. At that time the value of the gauge is stored in the first 15 minute history interval, and the gauge is restarted at zero. In the case where the agent has no valid data available for the current interval, the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist. This count represents a non-negative integer, which may increase or decrease, but shall never exceed 2^64-1 (18446744073709551615 decimal), nor fall below 0. The value of an object with HCPerfCurrentCount syntax assumes its maximum value whenever the underlying count exceeds 2^64-1. If the underlying count subsequently decreases below 2^64-1 (due, e.g., to a retroactive adjustment as a result of entering or exiting unavailable time), then the object's value also decreases. Note that this TC is not strictly supported in SMIv2, because the 'always increasing' and 'counter wrap' semantics associated with the Counter64 base type are not preserved. It is possible that management applications which rely solely upon the (Counter64) ASN.1 tag to determine object semantics will mistakenly operate upon objects of this type as they would for Counter64 objects. This textual convention represents a limited and short- term solution, and may be deprecated as a long term solution is defined and deployed to replace it. (0..18446744073709551615) · Counter64

High-capacity counter for number of bytes forwarded by the PW (to the PSN) in the current 15-minute interval. This is the 64-bit version of pwPerfCurrentOutBytes, if pwPerfCurrentOutHCBytes is supported according to the rules spelled out in RFC 2863.

PerfCurrentCountA counter associated with a performance measurement in a current 15 minute measurement interval. The value of this counter starts from zero and is increased when associated events occur, until the end of the 15 minute interval. At that time the value of the counter is stored in the first 15 minute history interval, and the CurrentCount is restarted at zero. In the case where the agent has no valid data available for the current interval the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist (for example, a noSuchName error for SNMPv1 and a noSuchInstance for SNMPv2 GET operation). · Gauge32

The counter for number of packets received by the PW (from the PSN) in the current 15-minute interval. This is the 32-bit version of pwPerfCurrentInHCPackets, if pwPerfCurrentInHCPackets is supported according to the rules spelled out in RFC 2863.

PerfCurrentCountA counter associated with a performance measurement in a current 15 minute measurement interval. The value of this counter starts from zero and is increased when associated events occur, until the end of the 15 minute interval. At that time the value of the counter is stored in the first 15 minute history interval, and the CurrentCount is restarted at zero. In the case where the agent has no valid data available for the current interval the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist (for example, a noSuchName error for SNMPv1 and a noSuchInstance for SNMPv2 GET operation). · Gauge32

The counter for number of bytes received by the PW (from the PSN) in the current 15-minute interval. It MUST be equal to the least significant 32 bits of pwPerfCurrentInHCBytes, if pwPerfCurrentInHCBytes is supported according to the rules spelled out in RFC 2863.

PerfCurrentCountA counter associated with a performance measurement in a current 15 minute measurement interval. The value of this counter starts from zero and is increased when associated events occur, until the end of the 15 minute interval. At that time the value of the counter is stored in the first 15 minute history interval, and the CurrentCount is restarted at zero. In the case where the agent has no valid data available for the current interval the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist (for example, a noSuchName error for SNMPv1 and a noSuchInstance for SNMPv2 GET operation). · Gauge32

The counter for number of packets forwarded by the PW (to the PSN) in the current 15-minute interval. It MUST be equal to the least significant 32 bits of pwPerfCurrentOutHCPackets, if pwPerfCurrentOutHCPackets is supported according to the rules spelled out in RFC 2863.

PerfCurrentCountA counter associated with a performance measurement in a current 15 minute measurement interval. The value of this counter starts from zero and is increased when associated events occur, until the end of the 15 minute interval. At that time the value of the counter is stored in the first 15 minute history interval, and the CurrentCount is restarted at zero. In the case where the agent has no valid data available for the current interval the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist (for example, a noSuchName error for SNMPv1 and a noSuchInstance for SNMPv2 GET operation). · Gauge32

The counter for number of bytes forwarded by the PW (to the PSN) in the current 15-minute interval. It MUST be equal to the least significant 32 bits of pwPerfCurrentOutHCBytes, if pwPerfCurrentOutHCBytes is supported according to the rules spelled out in RFC 2863.

Integer32 (1..96)

A number N, between 1 and 96, which identifies the interval for which the set of statistics is available. The interval identified by 1 is the most recently completed 15-minute interval, and the interval identified by N is the interval immediately preceding the one identified by N-1. The minimum range of N is 1 through 4. The default range is 1 to 32. The maximum range of N is 1 through 96. ⓘ

TruthValue1 = true2 = falseRepresents a boolean value. · Integer32

This variable indicates if the data for this interval is valid.

HCPerfTimeElapsedThe number of 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 or the addition of a leap second, the duration of the current interval exceeds the maximum value, the agent will return the maximum value. For 15 minute intervals, the range is limited to (0..899). For 24 hour intervals, the range is limited to (0..86399). (0..86399) · Integer32

The duration of this interval in seconds.

HCPerfIntervalCountA gauge associated with a performance measurement in a previous 15 minute measurement interval. In the case where the agent has no valid data available for a particular interval, the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist. Let X be an object with HCPerfIntervalCount syntax. Let Y be an object with HCPerfCurrentCount syntax. Let Z be an object with HCPerfTotalCount syntax. Then, in a system supporting a history of n intervals with X(1) and X(n) the most and least recent intervals respectively, the following applies at the end of a 15 minute interval: - discard the value of X(n) - the value of X(i) becomes that of X(i-1) for n >= i > 1 - the value of X(1) becomes that of Y. - the value of Z, if supported, is adjusted. This count represents a non-negative integer, which may increase or decrease, but shall never exceed 2^64-1 (18446744073709551615 decimal), nor fall below 0. The value of an object with HCPerfIntervalCount syntax assumes its maximum value whenever the underlying count exceeds 2^64-1. If the underlying count subsequently decreases below 2^64-1 (due, e.g., to a retroactive adjustment as a result of entering or exiting unavailable time), then the value of the object also decreases. Note that this TC is not strictly supported in SMIv2, because the 'always increasing' and 'counter wrap' semantics associated with the Counter64 base type are not preserved. It is possible that management applications which rely solely upon the (Counter64) ASN.1 tag to determine object semantics will mistakenly operate upon objects of this type as they would for Counter64 objects. This textual convention represents a limited and short- term solution, and may be deprecated as a long term solution is defined and deployed to replace it. (0..18446744073709551615) · Counter64

High-capacity counter for number of packets received by the PW (from the PSN) during the interval. This is the 64-bit version of pwPerfIntervalInPackets, if pwPerfIntervalInHCPackets is supported according to the rules spelled out in RFC 2863.

HCPerfIntervalCountA gauge associated with a performance measurement in a previous 15 minute measurement interval. In the case where the agent has no valid data available for a particular interval, the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist. Let X be an object with HCPerfIntervalCount syntax. Let Y be an object with HCPerfCurrentCount syntax. Let Z be an object with HCPerfTotalCount syntax. Then, in a system supporting a history of n intervals with X(1) and X(n) the most and least recent intervals respectively, the following applies at the end of a 15 minute interval: - discard the value of X(n) - the value of X(i) becomes that of X(i-1) for n >= i > 1 - the value of X(1) becomes that of Y. - the value of Z, if supported, is adjusted. This count represents a non-negative integer, which may increase or decrease, but shall never exceed 2^64-1 (18446744073709551615 decimal), nor fall below 0. The value of an object with HCPerfIntervalCount syntax assumes its maximum value whenever the underlying count exceeds 2^64-1. If the underlying count subsequently decreases below 2^64-1 (due, e.g., to a retroactive adjustment as a result of entering or exiting unavailable time), then the value of the object also decreases. Note that this TC is not strictly supported in SMIv2, because the 'always increasing' and 'counter wrap' semantics associated with the Counter64 base type are not preserved. It is possible that management applications which rely solely upon the (Counter64) ASN.1 tag to determine object semantics will mistakenly operate upon objects of this type as they would for Counter64 objects. This textual convention represents a limited and short- term solution, and may be deprecated as a long term solution is defined and deployed to replace it. (0..18446744073709551615) · Counter64

High-capacity counter for number of bytes received by the PW (from the PSN) during the interval. This is the 64-bit version of pwPerfIntervalInBytes, if pwPerfIntervalInHCBytes is supported according to the rules spelled out in RFC 2863.

HCPerfIntervalCountA gauge associated with a performance measurement in a previous 15 minute measurement interval. In the case where the agent has no valid data available for a particular interval, the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist. Let X be an object with HCPerfIntervalCount syntax. Let Y be an object with HCPerfCurrentCount syntax. Let Z be an object with HCPerfTotalCount syntax. Then, in a system supporting a history of n intervals with X(1) and X(n) the most and least recent intervals respectively, the following applies at the end of a 15 minute interval: - discard the value of X(n) - the value of X(i) becomes that of X(i-1) for n >= i > 1 - the value of X(1) becomes that of Y. - the value of Z, if supported, is adjusted. This count represents a non-negative integer, which may increase or decrease, but shall never exceed 2^64-1 (18446744073709551615 decimal), nor fall below 0. The value of an object with HCPerfIntervalCount syntax assumes its maximum value whenever the underlying count exceeds 2^64-1. If the underlying count subsequently decreases below 2^64-1 (due, e.g., to a retroactive adjustment as a result of entering or exiting unavailable time), then the value of the object also decreases. Note that this TC is not strictly supported in SMIv2, because the 'always increasing' and 'counter wrap' semantics associated with the Counter64 base type are not preserved. It is possible that management applications which rely solely upon the (Counter64) ASN.1 tag to determine object semantics will mistakenly operate upon objects of this type as they would for Counter64 objects. This textual convention represents a limited and short- term solution, and may be deprecated as a long term solution is defined and deployed to replace it. (0..18446744073709551615) · Counter64

High-capacity counter for number of packets forwarded by the PW (to the PSN) during the interval. This is the 64-bit version of pwPerfIntervalOutPackets, if pwPerfIntervalOutHCPackets is supported according to the rules spelled out in RFC 2863.

HCPerfIntervalCountA gauge associated with a performance measurement in a previous 15 minute measurement interval. In the case where the agent has no valid data available for a particular interval, the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist. Let X be an object with HCPerfIntervalCount syntax. Let Y be an object with HCPerfCurrentCount syntax. Let Z be an object with HCPerfTotalCount syntax. Then, in a system supporting a history of n intervals with X(1) and X(n) the most and least recent intervals respectively, the following applies at the end of a 15 minute interval: - discard the value of X(n) - the value of X(i) becomes that of X(i-1) for n >= i > 1 - the value of X(1) becomes that of Y. - the value of Z, if supported, is adjusted. This count represents a non-negative integer, which may increase or decrease, but shall never exceed 2^64-1 (18446744073709551615 decimal), nor fall below 0. The value of an object with HCPerfIntervalCount syntax assumes its maximum value whenever the underlying count exceeds 2^64-1. If the underlying count subsequently decreases below 2^64-1 (due, e.g., to a retroactive adjustment as a result of entering or exiting unavailable time), then the value of the object also decreases. Note that this TC is not strictly supported in SMIv2, because the 'always increasing' and 'counter wrap' semantics associated with the Counter64 base type are not preserved. It is possible that management applications which rely solely upon the (Counter64) ASN.1 tag to determine object semantics will mistakenly operate upon objects of this type as they would for Counter64 objects. This textual convention represents a limited and short- term solution, and may be deprecated as a long term solution is defined and deployed to replace it. (0..18446744073709551615) · Counter64

High-capacity counter for number of bytes forwarded by the PW (to the PSN) during the interval. This is the 64-bit version of pwPerfIntervalOutBytes, if pwPerfIntervalOutHCBytes is supported according to the rules spelled out in RFC 2863.

PerfIntervalCountA counter associated with a performance measurement in a previous 15 minute measurement interval. In the case where the agent has no valid data available for a particular interval the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist (for example, a noSuchName error for SNMPv1 and a noSuchInstance for SNMPv2 GET operation). In a system supporting a history of n intervals with IntervalCount(1) and IntervalCount(n) the most and least recent intervals respectively, the following applies at the end of a 15 minute interval: - discard the value of IntervalCount(n) - the value of IntervalCount(i) becomes that of IntervalCount(i-1) for n >= i > 1 - the value of IntervalCount(1) becomes that of CurrentCount - the TotalCount, if supported, is adjusted. · Gauge32

This value represents the number of packets received by this PW during the interval. It MUST be equal to the least significant 32 bits of pwPerfIntervalInHCPackets, if pwPerfIntervalInHCPackets is supported according to the rules spelled out in RFC 2863.

PerfIntervalCountA counter associated with a performance measurement in a previous 15 minute measurement interval. In the case where the agent has no valid data available for a particular interval the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist (for example, a noSuchName error for SNMPv1 and a noSuchInstance for SNMPv2 GET operation). In a system supporting a history of n intervals with IntervalCount(1) and IntervalCount(n) the most and least recent intervals respectively, the following applies at the end of a 15 minute interval: - discard the value of IntervalCount(n) - the value of IntervalCount(i) becomes that of IntervalCount(i-1) for n >= i > 1 - the value of IntervalCount(1) becomes that of CurrentCount - the TotalCount, if supported, is adjusted. · Gauge32

This value represents the number of bytes received by this PW during the interval. It MUST be equal to the least significant 32 bits of pwPerfIntervalInHCBytes, if pwPerfIntervalInHCBytes is supported according to the rules spelled out in RFC 2863.

PerfIntervalCountA counter associated with a performance measurement in a previous 15 minute measurement interval. In the case where the agent has no valid data available for a particular interval the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist (for example, a noSuchName error for SNMPv1 and a noSuchInstance for SNMPv2 GET operation). In a system supporting a history of n intervals with IntervalCount(1) and IntervalCount(n) the most and least recent intervals respectively, the following applies at the end of a 15 minute interval: - discard the value of IntervalCount(n) - the value of IntervalCount(i) becomes that of IntervalCount(i-1) for n >= i > 1 - the value of IntervalCount(1) becomes that of CurrentCount - the TotalCount, if supported, is adjusted. · Gauge32

This value represents the number of packets sent by this PW during the interval. It MUST be equal to the least significant 32 bits of pwPerfIntervalOutHCPackets, if pwPerfIntervalOutHCPackets is supported according to the rules spelled out in RFC 2863.

PerfIntervalCountA counter associated with a performance measurement in a previous 15 minute measurement interval. In the case where the agent has no valid data available for a particular interval the corresponding object instance is not available and upon a retrieval request a corresponding error message shall be returned to indicate that this instance does not exist (for example, a noSuchName error for SNMPv1 and a noSuchInstance for SNMPv2 GET operation). In a system supporting a history of n intervals with IntervalCount(1) and IntervalCount(n) the most and least recent intervals respectively, the following applies at the end of a 15 minute interval: - discard the value of IntervalCount(n) - the value of IntervalCount(i) becomes that of IntervalCount(i-1) for n >= i > 1 - the value of IntervalCount(1) becomes that of CurrentCount - the TotalCount, if supported, is adjusted. · Gauge32

This value represents the number of bytes sent by this PW during the interval. It MUST be equal to the least significant 32 bits of pwPerfIntervalOutHCBytes, if pwPerfIntervalOutHCBytes is supported according to the rules spelled out in RFC 2863.

Unsigned32 (1..31)

History Data Interval number. Interval 1 is the current day's measurement period, interval 2 is the most recent previous day, and interval 30 is 31 days ago. Intervals 3..31 are optional.

TruthValue1 = true2 = falseRepresents a boolean value. · Integer32

This variable indicates if the data for this interval is valid.

HCPerfTimeElapsedThe number of 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 or the addition of a leap second, the duration of the current interval exceeds the maximum value, the agent will return the maximum value. For 15 minute intervals, the range is limited to (0..899). For 24 hour intervals, the range is limited to (0..86399). (0..86399) · Integer32 · seconds

The number of seconds 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 a situation where performance monitoring data could not be collected for any reason or where agent clock adjustments have been made.

Counter64 (0..18446744073709551615)

High-capacity counter for the total number of packets received by the PW (from the PSN).

Counter64 (0..18446744073709551615)

High-capacity counter for the total number of bytes received by the PW (from the PSN).

Counter64 (0..18446744073709551615)

High-capacity counter for the total number of packets forwarded by the PW (to the PSN).

Counter64 (0..18446744073709551615)

High-capacity counter for the total number of bytes forwarded by the PW (to the PSN).

IANAPwTypeTC0 = other1 = frameRelayDlciMartiniMode2 = atmAal5SduVcc3 = atmTransparent4 = ethernetTagged5 = ethernet6 = hdlc7 = ppp8 = cem9 = atmCellNto1Vcc10 = atmCellNto1Vpc11 = ipLayer2Transport12 = atmCell1to1Vcc13 = atmCell1to1Vpc14 = atmAal5PduVcc15 = frameRelayPortMode16 = cep17 = e1Satop18 = t1Satop19 = e3Satop20 = t3Satop21 = basicCesPsn22 = basicTdmIp23 = tdmCasCesPsn24 = tdmCasTdmIp25 = frDlci32767 = wildcardIndicates the PW type (i.e., the carried service). · Integer32

The PW type (indicates the service) of this PW.

PwIDTypePseudowire Identifier. Used to identify the PW (together with some other fields) in the signaling session. · Unsigned32 · hint d

The PW ID of this PW. Zero if the PW is configured manually.

InetAddressType0 = unknown1 = ipv42 = ipv63 = ipv4z4 = ipv6z16 = dnsA value that represents a type of Internet address. unknown(0) An unknown address type. This value MUST be used if the value of the corresponding InetAddress object is a zero-length string. It may also be used to indicate an IP address that is not in one of the formats defined below. ipv4(1) An IPv4 address as defined by the InetAddressIPv4 textual convention. ipv6(2) An IPv6 address as defined by the InetAddressIPv6 textual convention. ipv4z(3) A non-global IPv4 address including a zone index as defined by the InetAddressIPv4z textual convention. ipv6z(4) A non-global IPv6 address including a zone index as defined by the InetAddressIPv6z textual convention. dns(16) A DNS domain name as defined by the InetAddressDNS textual convention. Each definition of a concrete InetAddressType value must be accompanied by a definition of a textual convention for use with that InetAddressType. To support future extensions, the InetAddressType textual convention SHOULD NOT be sub-typed in object type definitions. It MAY be sub-typed in compliance statements in order to require only a subset of these address types for a compliant implementation. Implementations must ensure that InetAddressType objects and any dependent objects (e.g., InetAddress objects) are consistent. An inconsistentValue error must be generated if an attempt to change an InetAddressType object would, for example, lead to an undefined InetAddress value. In particular, InetAddressType/InetAddress pairs must be changed together if the address type changes (e.g., from ipv6(2) to ipv4(1)). · Integer32

IP address type of the peer node.

InetAddressDenotes a generic Internet address. An InetAddress value is always interpreted within the context of an InetAddressType value. Every usage of the InetAddress textual convention is required to specify the InetAddressType object that provides the context. It is suggested that the InetAddressType object be logically registered before the object(s) that use the InetAddress textual convention, if they appear in the same logical row. The value of an InetAddress object must always be consistent with the value of the associated InetAddressType object. Attempts to set an InetAddress object to a value inconsistent with the associated InetAddressType must fail with an inconsistentValue error. When this textual convention is used as the syntax of an index object, there may be issues with the limit of 128 sub-identifiers specified in SMIv2, STD 58. In this case, the object definition MUST include a 'SIZE' clause to limit the number of potential instance sub-identifiers; otherwise the applicable constraints MUST be stated in the appropriate conceptual row DESCRIPTION clauses, or in the surrounding documentation if there is no single DESCRIPTION clause that is appropriate. SIZE (0..255) · OCTET STRING

IP address of the peer node.

PwIndexTypePseudowire Index. A unique value, greater than zero, for each locally defined PW. Used for indexing several MIB tables associated with the particular PW. It is recommended that values are assigned contiguously starting from 1. The value for each PW MUST remain constant at least from one re-initialization to the next re-initialization. (1..4294967295) · Unsigned32 · hint d

The value that represents the PW in the pwTable.

InetAddressType0 = unknown1 = ipv42 = ipv63 = ipv4z4 = ipv6z16 = dnsA value that represents a type of Internet address. unknown(0) An unknown address type. This value MUST be used if the value of the corresponding InetAddress object is a zero-length string. It may also be used to indicate an IP address that is not in one of the formats defined below. ipv4(1) An IPv4 address as defined by the InetAddressIPv4 textual convention. ipv6(2) An IPv6 address as defined by the InetAddressIPv6 textual convention. ipv4z(3) A non-global IPv4 address including a zone index as defined by the InetAddressIPv4z textual convention. ipv6z(4) A non-global IPv6 address including a zone index as defined by the InetAddressIPv6z textual convention. dns(16) A DNS domain name as defined by the InetAddressDNS textual convention. Each definition of a concrete InetAddressType value must be accompanied by a definition of a textual convention for use with that InetAddressType. To support future extensions, the InetAddressType textual convention SHOULD NOT be sub-typed in object type definitions. It MAY be sub-typed in compliance statements in order to require only a subset of these address types for a compliant implementation. Implementations must ensure that InetAddressType objects and any dependent objects (e.g., InetAddress objects) are consistent. An inconsistentValue error must be generated if an attempt to change an InetAddressType object would, for example, lead to an undefined InetAddress value. In particular, InetAddressType/InetAddress pairs must be changed together if the address type changes (e.g., from ipv6(2) to ipv4(1)). · Integer32

IP address type of the peer node.

InetAddressDenotes a generic Internet address. An InetAddress value is always interpreted within the context of an InetAddressType value. Every usage of the InetAddress textual convention is required to specify the InetAddressType object that provides the context. It is suggested that the InetAddressType object be logically registered before the object(s) that use the InetAddress textual convention, if they appear in the same logical row. The value of an InetAddress object must always be consistent with the value of the associated InetAddressType object. Attempts to set an InetAddress object to a value inconsistent with the associated InetAddressType must fail with an inconsistentValue error. When this textual convention is used as the syntax of an index object, there may be issues with the limit of 128 sub-identifiers specified in SMIv2, STD 58. In this case, the object definition MUST include a 'SIZE' clause to limit the number of potential instance sub-identifiers; otherwise the applicable constraints MUST be stated in the appropriate conceptual row DESCRIPTION clauses, or in the surrounding documentation if there is no single DESCRIPTION clause that is appropriate. SIZE (0..255) · OCTET STRING

IP address of the peer node.

IANAPwTypeTC0 = other1 = frameRelayDlciMartiniMode2 = atmAal5SduVcc3 = atmTransparent4 = ethernetTagged5 = ethernet6 = hdlc7 = ppp8 = cem9 = atmCellNto1Vcc10 = atmCellNto1Vpc11 = ipLayer2Transport12 = atmCell1to1Vcc13 = atmCell1to1Vpc14 = atmAal5PduVcc15 = frameRelayPortMode16 = cep17 = e1Satop18 = t1Satop19 = e3Satop20 = t3Satop21 = basicCesPsn22 = basicTdmIp23 = tdmCasCesPsn24 = tdmCasTdmIp25 = frDlci32767 = wildcardIndicates the PW type (i.e., the carried service). · Integer32

The PW type (indicates the emulated service) of this PW.

PwIDTypePseudowire Identifier. Used to identify the PW (together with some other fields) in the signaling session. · Unsigned32 · hint d

The PW ID of this PW. Zero if the PW is configured manually.

PwIndexTypePseudowire Index. A unique value, greater than zero, for each locally defined PW. Used for indexing several MIB tables associated with the particular PW. It is recommended that values are assigned contiguously starting from 1. The value for each PW MUST remain constant at least from one re-initialization to the next re-initialization. (1..4294967295) · Unsigned32 · hint d

The value that represents the PW in the pwTable.

PwGenIdTypeRepresents the Attachment Group Identifier (AGI) Type and Attachment Individual Identifier (AII) Type in generalized FEC signaling and configuration. (0..254) · Unsigned32

This object is the type of the attachment group identifier (AGI) that this PW belongs to.

PwAttachmentIdentifierTypeAn octet string used in the generalized Forward Error Correction (FEC) element for identifying attachment forwarder and groups. A NULL identifier is of zero length. SIZE (0..255) · OCTET STRING

This object is an octet string representing the attachment group identifier (AGI) that this PW belongs to, which typically identifies the VPN ID.

PwGenIdTypeRepresents the Attachment Group Identifier (AGI) Type and Attachment Individual Identifier (AII) Type in generalized FEC signaling and configuration. (0..254) · Unsigned32

This object is the type of the local forwarder attachment individual identifier (AII) to be used by this PW.

PwAttachmentIdentifierTypeAn octet string used in the generalized Forward Error Correction (FEC) element for identifying attachment forwarder and groups. A NULL identifier is of zero length. SIZE (0..255) · OCTET STRING

This object is an octet string representing the local forwarder attachment individual identifier (AII) to be used by this PW. It is used as the SAII for outgoing signaling messages and the TAII in the incoming messages from the peer.

PwGenIdTypeRepresents the Attachment Group Identifier (AGI) Type and Attachment Individual Identifier (AII) Type in generalized FEC signaling and configuration. (0..254) · Unsigned32

This object is the type of the remote forwarder attachment individual identifier (AII) to be used by this PW.

PwAttachmentIdentifierTypeAn octet string used in the generalized Forward Error Correction (FEC) element for identifying attachment forwarder and groups. A NULL identifier is of zero length. SIZE (0..255) · OCTET STRING

This object is an octet string representing the peer forwarder attachment individual identifier (AII) to be used by this PW. It is used as the TAII for outgoing signaling messages and the SAII in the incoming messages from the peer.

PwIndexTypePseudowire Index. A unique value, greater than zero, for each locally defined PW. Used for indexing several MIB tables associated with the particular PW. It is recommended that values are assigned contiguously starting from 1. The value for each PW MUST remain constant at least from one re-initialization to the next re-initialization. (1..4294967295) · Unsigned32 · hint d

The value that represents the PW in the pwTable.