All MIBs › NBS-EFM-MIB
Organization: NBS
Last Updated: 2012-09-26
Category: LAN Management, OAM
Description: Manages NBS Ethernet in the First Mile OAM configuration and link monitoring.
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What Is NBS-EFM-MIB?
NBS-EFM-MIB is a private MIB from MRV Communications (branded NBS) that models IEEE 802.3ah Ethernet in the First Mile (EFM) Operations, Administration and Maintenance (OAM) functionality on carrier Ethernet access equipment. It exposes data about OAM peer discovery, link mode negotiation, PDU configuration, capability flags, and remote peer identity such as vendor OUI and device ID. The MIB is primarily used to monitor the health and status of first-mile Ethernet links, tracking OAM session state to detect link faults, remote failure indications, and misconfigured peers before they escalate into service-affecting outages. It builds on the standard IEEE 802.3ah OAM concepts, layering NBS-specific product identifiers on top of that framework. It is typically deployed on MRV/NBS optical access and aggregation platforms used by carriers to manage last-mile Ethernet handoffs to customer premises equipment, where an NBS-EFM-MIB download helps carriers catch first-mile faults before they escalate into service-affecting outages.
IPNetwork Monitor allows you to monitor SNMP objects defined in NBS-EFM-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.
Supported Devices
- MRV/NBS optical Ethernet access switch
- carrier Ethernet demarcation device
Monitoring Examples
An administrator would poll nbsEfmOamTable/nbsEfmOamEntry, indexed by nbsEfmPhysicalIfIndex and nbsEfmOamIfIndex, to check nbsEfmOamState for a given link and confirm it has reached the OAM 'operational' state with its nbsEfmOamPeerIfIndex populated. If nbsEfmOamState drops out of the operational state or nbsEfmOamVendorOUI/nbsEfmOamVendorDeviceId suddenly changes, that signals a peer device swap or a flapping first-mile link needing investigation. The nbsEfmOamFlagsField and nbsEfmOamPduCfg objects reveal negotiated OAM capabilities, useful for diagnosing why loopback or fault-signaling features aren't working as expected.
What Can Be Monitored
- EFM OAM session state
- OAM peer interface identity
- remote vendor OUI/device ID
- OAM PDU configuration
- OAM capability flags
- physical interface OAM mode
This MIB depends on
Related MIBs
Imported Objects
From IF-MIB
| InterfaceIndex |
From NBS-MIB
| Unsigned16 | |
| Unsigned64 | |
| nbs | OBJECT-IDENTITY |
From SNMPv2-CONF
| OBJECT-GROUP |
From SNMPv2-SMI
| Counter32 | |
| Counter64 | |
| MODULE-IDENTITY | |
| OBJECT-IDENTITY | |
| OBJECT-TYPE | |
| Unsigned32 |
How to Use in IPNetwork Monitor
Example using nbsEfmOamPDUTx OID:
Select an MRV/NBS optical Ethernet access switch (802.3ah EFM OAM) as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type nbsEfmOamPDUTx into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. It reports a count of OAMPDUs passed to the OAM subordinate sublayer for transmission. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter32-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| nbsEfmConformance | 1.3.6.1.4.1.629.300.3 | |||
| nbsEfmGroups | 1.3.6.1.4.1.629.300.3.1 | |||
| nbsEfmMib | 1.3.6.1.4.1.629.300 | Private MRV MIB for representing 802.3ah (Ethernet in the First Mile) information | ||
| nbsEfmNc316Nm | 1.3.6.1.4.1.629.300.2.1 | |||
| INT nbsEfmOamAdminState | 1.3.6.1.4.1.629.300.1.3.1.1.53 | INTEGER | read-write | A value that identifies the operational state of the OAM sublayer. An interface which can provide the OAM sublayer functions specified in Clause 57 will be enabled to do so when this attribute has the enumeration enable(3). When this attribute has the enumeration disable(2) the interface will act as it would if it had no OAM sublayer. |
| OCT nbsEfmOamCfg | 1.3.6.1.4.1.629.300.1.3.1.1.5 | OCTET STRING | read-only | A string of three bits corresponding to the OAM Configuration field (see Table 57-7) in the most recently received Information OAMPDU. The first bit corresponds to the OAM Mode bit in the OAM Configuration field. The second bit corresponds to the Unidirectional Support bit in the OAM Configuration field. The third bit corresponds to the Loopback Support bit in the OAM Configuration field. This value is updated on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) the OAM code equals the OAM Information code. |
| C32 nbsEfmOamDupEventNotificationRx | 1.3.6.1.4.1.629.300.1.3.1.1.19 | Counter32 | read-only | A count of the OAMPDUs received that contain the Event Notification code specified in Table 57-4. This counter is incremented on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in CROSS REF Table 43B-3, (4) the OAM code equals the Event Notification code, (5) the Sequence Number field is equal to the Sequence Number field of the last received Event Notification OAMPDU. |
| nbsEfmOamEntry | 1.3.6.1.4.1.629.300.1.3.1.1 | not-accessible | Contains a desription of a particular Oam. There are two entries for each OAM link, one entry for the local side, one for the remote. | |
| U32 nbsEfmOamErrFrmCfgDuration | 1.3.6.1.4.1.629.300.1.3.1.1.34 | Unsigned32 | read-only | A four-octet value indicating the duration of the Errored Frame Event (see 57.5.3.2) window, in terms of number of 100ms intervals. |
| U32 nbsEfmOamErrFrmCfgThreshld | 1.3.6.1.4.1.629.300.1.3.1.1.35 | Unsigned32 | read-only | A four-octet field indicating the number of errored frames in the period that must be exceeded in order for the Errored Frame Event to be generated. |
| C64 nbsEfmOamErrFrmEvtCount | 1.3.6.1.4.1.629.300.1.3.1.1.39 | Counter64 | read-only | An integer corresponding to the Error Running Total field in the most recently transmitted Errored Frame Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Event value as specified in Table 57-10. |
| U32 nbsEfmOamErrFrmEvtThreshld | 1.3.6.1.4.1.629.300.1.3.1.1.38 | Unsigned32 | read-only | An integer corresponding to the Errored Frame Threshold field in the most recently transmitted Errored Frame Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Event value as specified in Table 57-10. |
| UNS nbsEfmOamErrFrmEvtTime | 1.3.6.1.4.1.629.300.1.3.1.1.36 | Unsigned16 | read-only | An integer corresponding to the Event Time Stamp field in the most recently transmitted Errored Frame Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Event value as specified in Table 57-10. |
| UNS nbsEfmOamErrFrmEvtWindow | 1.3.6.1.4.1.629.300.1.3.1.1.37 | Unsigned16 | read-only | An integer corresponding to the Errored Frame Window field in the most recently transmitted Errored Frame Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Event value as specified in Table 57-10. |
| U32 nbsEfmOamErrFrmPerCfgDuration | 1.3.6.1.4.1.629.300.1.3.1.1.40 | Unsigned32 | read-only | A four-octet value indicating the duration of the Errored Frame Period Event (see 57.5.3.3) window, in terms of the number of minFrameSize frames that can be transmitted on the underlying physical layer. |
| U32 nbsEfmOamErrFrmPerCfgThreshld | 1.3.6.1.4.1.629.300.1.3.1.1.41 | Unsigned32 | read-only | A four-octet value indicating the number of errored frames in the period that must be exceeded in order for the Errored Frame Period Event to be generated. |
| C64 nbsEfmOamErrFrmPerEvtCount | 1.3.6.1.4.1.629.300.1.3.1.1.45 | Counter64 | read-only | An integer corresponding to the Error Running Total field in the most recently transmitted Errored Frame Period Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Period Event value as specified in Table 57-10. |
| U32 nbsEfmOamErrFrmPerEvtThreshld | 1.3.6.1.4.1.629.300.1.3.1.1.44 | Unsigned32 | read-only | An integer corresponding to the Errored Frame Threshold field in the most recently transmitted Errored Frame Period Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Period Event value as specified in Table 57-10. |
| UNS nbsEfmOamErrFrmPerEvtTime | 1.3.6.1.4.1.629.300.1.3.1.1.42 | Unsigned16 | read-only | An integer corresponding to the Event Time Stamp field in the most recently transmitted Errored Frame Period Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Period Event value as specified in Table 57-10. |
| U32 nbsEfmOamErrFrmPerEvtWindow | 1.3.6.1.4.1.629.300.1.3.1.1.43 | Unsigned32 | read-only | An integer corresponding to the Errored Frame Window field in the most recently transmitted Errored Frame Period Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Period Event value as specified in Table 57-10. |
| UNS nbsEfmOamErrFrmSecSumCfgDuration | 1.3.6.1.4.1.629.300.1.3.1.1.46 | Unsigned16 | read-only | A two-octet value indicating the duration of the Errored Frame Seconds Summary Event (see 57.5.3.4) window, in terms of number of 100ms intervals. |
| UNS nbsEfmOamErrFrmSecSumCfgThreshld | 1.3.6.1.4.1.629.300.1.3.1.1.47 | Unsigned16 | read-only | A two-octet value indicating the number of errored frame seconds in the period that must be exceeded in order for the Errored Frame Seconds Summary Event to be generated. |
| C32 nbsEfmOamErrFrmSecSumEvtCount | 1.3.6.1.4.1.629.300.1.3.1.1.51 | Counter32 | read-only | An integer corresponding to the Error Running Total field in the most recently transmitted Errored Frame Seconds Summary Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Seconds Summary Event value as specified in Table 57-10. |
| UNS nbsEfmOamErrFrmSecSumEvtThreshld | 1.3.6.1.4.1.629.300.1.3.1.1.50 | Unsigned16 | read-only | An integer corresponding to the Errored Frame Seconds Threshold field in the most recently transmitted Errored Frame Seconds Summary Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Seconds Summary Event value as specified in Table 57-10. |
| UNS nbsEfmOamErrFrmSecSumEvtTime | 1.3.6.1.4.1.629.300.1.3.1.1.48 | Unsigned16 | read-only | An integer corresponding to the Event Time Stamp field in the most recently transmitted Errored Frame Seconds Summary Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Seconds Summary Event value as specified in Table 57-10. |
| UNS nbsEfmOamErrFrmSecSumEvtWindow | 1.3.6.1.4.1.629.300.1.3.1.1.49 | Unsigned16 | read-only | An integer corresponding to the Errored Frame Seconds Window field in the most recently transmitted Errored Frame Seconds Summary Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Frame Seconds Summary Event value as specified in Table 57-10. |
| UNS nbsEfmOamErrSymPerCfgDuration | 1.3.6.1.4.1.629.300.1.3.1.1.28 | Unsigned64 | read-only | An eight-octet value indicating the duration of the Errored Symbol Period Event (see 57.5.3.1) window, in terms of symbols. |
| U32 nbsEfmOamErrSymPerCfgThreshld | 1.3.6.1.4.1.629.300.1.3.1.1.29 | Unsigned32 | read-only | A four-octet value indicating the number of errored symbols in the period that must be exceeded in order for the Errored Symbol Period Event to be generated. |
| C64 nbsEfmOamErrSymPerEvtCount | 1.3.6.1.4.1.629.300.1.3.1.1.33 | Counter64 | read-only | An integer corresponding to the Error Running Total field in the most recently transmitted Errored Symbol Period Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Symbol Period Event value as specified in Table 57-10. |
| UNS nbsEfmOamErrSymPerEvtThreshld | 1.3.6.1.4.1.629.300.1.3.1.1.32 | Unsigned64 | read-only | An integer corresponding to the Errored Symbol Threshold field in the most recently transmitted Errored Symbol Period Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Symbol Period Event value as specified in Table 57-10. |
| UNS nbsEfmOamErrSymPerEvtTime | 1.3.6.1.4.1.629.300.1.3.1.1.30 | Unsigned16 | read-only | An integer corresponding to the Event Time Stamp field in the most recently transmitted Errored Symbol Period Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Symbol Period Event value as specified in Table 57-10. |
| UNS nbsEfmOamErrSymPerEvtWindow | 1.3.6.1.4.1.629.300.1.3.1.1.31 | Unsigned64 | read-only | An integer corresponding to the Errored Symbol Window field in the most recently transmitted Errored Symbol Period Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Symbol Period Event value as specified in Table 57-10. |
| C32 nbsEfmOamEventNotificationTx | 1.3.6.1.4.1.629.300.1.3.1.1.17 | Counter32 | read-only | A count of OAMPDUs passed to the OAM subordinate sublayer for transmission that contain the Event Notification code specified in Table 57-4. This counter is incremented when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAM code indicating an Event Notification operation. |
| OCT nbsEfmOamFlagsField | 1.3.6.1.4.1.629.300.1.3.1.1.7 | OCTET STRING | read-only | A string of five bits corresponding to the Flags field (see Table 57-3) in the most recently transmitted OAMPDU. The first bit corresponds to the Link Fault bit in the Flags field. The second bit corresponds to the Dying Gasp bit in the Flags field. The third bit corresponds to the Critical Event bit in the Flags field. The fourth bit corresponds to the Remote Stable bit in the Flags field. The fifth bit corresponds to the Local Stable bit in the Flags field. |
| C32 nbsEfmOamFramesLostDueToOamError | 1.3.6.1.4.1.629.300.1.3.1.1.52 | Counter32 | read-only | A count of frames that would otherwise be transmitted by the OAM sublayer, but could not be due to an internal OAM sublayer transmit error. If this counter is incremented, then none of the other counters in this section are incremented. The exact meaning and mechanism for incrementing this counter is implementation dependent. |
| nbsEfmOamGroup | 1.3.6.1.4.1.629.300.3.1.3 | OAM attributes. | ||
| nbsEfmOamGrp | 1.3.6.1.4.1.629.300.1.3 | All OAM objects. | ||
| NUM nbsEfmOamIfIndex | 1.3.6.1.4.1.629.300.1.3.1.1.2 | InterfaceIndex | read-only | ifIndex from the MIB-II Interface Table for this OAM interface. |
| C32 nbsEfmOamInformationRx | 1.3.6.1.4.1.629.300.1.3.1.1.16 | Counter32 | read-only | A count of OAMPDUs received that contain the OAM Information code specified in Table 57-4. This counter is incremented on reception of a valid frame with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) an OAM code for a function that is not supported by the device. |
| C32 nbsEfmOamInformationTx | 1.3.6.1.4.1.629.300.1.3.1.1.15 | Counter32 | read-only | A count of OAMPDUs passed to the OAM subordinate sublayer for transmission that contain the OAM Information code specified in Table CROSS REF 57-4. This counter is incremented when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAM code indicating an OAM Information operation. |
| C32 nbsEfmOamLoopbackControlRx | 1.3.6.1.4.1.629.300.1.3.1.1.21 | Counter32 | read-only | A count of OAMPDUs received that contain the Loopback Control code specified in Table 57-4. This counter is incremented on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) the OAM code equals the Loopback Control code and is supported by the device. |
| C32 nbsEfmOamLoopbackControlTx | 1.3.6.1.4.1.629.300.1.3.1.1.20 | Counter32 | read-only | A count of OAMPDUs passed to the OAM subordinate sublayer for transmission that contain the Loopback Control code specified in Table 57-4. This counter is incremented when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAM code indicating a Loopback Control operation. |
| INT nbsEfmOamMode | 1.3.6.1.4.1.629.300.1.3.1.1.4 | INTEGER | read-only | A GET operation returns the current mode of the OAM sublayer entity (see 57.2.6), either passive or active. A SET operation changes the mode of operation of the OAM entity to the indicated value. A SET operation shall have no effect on a device whose mode cannot be changed through management or that can only operate in a single mode. |
| OCT nbsEfmOamOperState | 1.3.6.1.4.1.629.300.1.3.1.1.54 | OCTET STRING | read-only | This object declares configurable (*) and operational reasons for disabling OAM service. The reason applies only if the bit is set. Multiple bits may be set concurrently. OAM service is enabled when no bits are set. Bit Reason to disable --- ---------------------------------------------- 0 reserved 1 reserved 2 reserved 3 reserved 4 reserved 5 Temporarily disabled for download processing 6 Administratively disabled (*) 7 OAM service is not available OCTET STRING bitmasks count the leftmost bit (MSB) as 0. |
| C32 nbsEfmOamOrganizationSpecificRx | 1.3.6.1.4.1.629.300.1.3.1.1.27 | Counter32 | read-only | A count of OAMPDUs received that contain the Organization Specific code specified in Table 57-4. This counter is incremented on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) the OAM code equals the Organization Specific code and is supported by the device. |
| C32 nbsEfmOamOrganizationSpecificTx | 1.3.6.1.4.1.629.300.1.3.1.1.26 | Counter32 | read-only | A count of Organization Specific OAMPDUs passed to the OAM subordinate sublayer for transmission that contain the Organization Specific code specified in Table 57-4. This counter is incremented when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAM code indicating a Organization Specific operation. |
| UNS nbsEfmOamPduCfg | 1.3.6.1.4.1.629.300.1.3.1.1.6 | Unsigned16 | read-only | An eleven bit value corresponding to the Maximum PDU Size value within the OAMPDU Configuration field (see Table 57-8) in the most recently sent Information OAMPDU. This value is updated on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) the OAM code equals the OAM Information code. |
| C32 nbsEfmOamPDURx | 1.3.6.1.4.1.629.300.1.3.1.1.13 | Counter32 | read-only | A count of OAMPDUs passed by the OAM subordinate sublayer to the OAM sublayer. This counter is incremented on reception of a valid frame with (1) a destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3. |
| C32 nbsEfmOamPDUTxEx | 1.3.6.1.4.1.629.300.1.3.1.1.12 | Counter32 | read-only | A count of OAMPDUs passed to the OAM subordinate sublayer for transmission. This counter is incremented when a OAM:MA_DATA.request service service primitive is generated within the OAM sublayer. |
| NUM nbsEfmOamPeerIfIndex | 1.3.6.1.4.1.629.300.1.3.1.1.3 | InterfaceIndex | read-only | ifIndex from the MIB-II Interface Table for the physical port on the other side of the OAM link. For example, if this table entry corresponds to a local OAM device, this object would hold the ifIndex of the remote port. |
| OCT nbsEfmOamState | 1.3.6.1.4.1.629.300.1.3.1.1.8 | OCTET STRING | read-only | A string of three bits corresponding to the State field (see Table 57-6) of the most recently sent Information OAMPDU. The first and second bits corresponds to the Parser Action bits in the State field. The third bit corresponds to the Multiplexer Action bit in the State field. This value is updated on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) a OAMPDU code equal to the Information code as specified in Table 57-4. |
| nbsEfmOamTable | 1.3.6.1.4.1.629.300.1.3.1 | not-accessible | Operations, Administration, and Management information | |
| C32 nbsEfmOamUniEventNotificationRx | 1.3.6.1.4.1.629.300.1.3.1.1.18 | Counter32 | read-only | A count of the OAMPDUs received that contain the Event Notification code specified in Table 57-4. This counter is incremented on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in CROSS REF Table 43B-3, (4) the OAM code equals the Event Notification code, (5) the Sequence Number field is not equal to the Sequence Number field of the last received Event Notification OAMPDU and is supported by the device. |
| C32 nbsEfmOamUnsupportedCodesRx | 1.3.6.1.4.1.629.300.1.3.1.1.14 | Counter32 | read-only | A count of OAMPDUs received that contain an OAM code from Table 57-4 that are not supported by the device. This counter is incremented on reception of a valid frame with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) an OAM code for a function that is not supported by the device. |
| C32 nbsEfmOamVariableRequestRx | 1.3.6.1.4.1.629.300.1.3.1.1.23 | Counter32 | read-only | A count of OAMPDUs received that contain the Variable Request code specified in Table 57-4. This counter is incremented on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) the OAM code equals the Variable Request code and is supported by the device. |
| C32 nbsEfmOamVariableRequestTx | 1.3.6.1.4.1.629.300.1.3.1.1.22 | Counter32 | read-only | A count of OAMPDUs passed to the OAM subordinate sublayer for transmission that contain the Variable Request code specified in Table 57-4. This counter is incremented when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAM code indicating a Variable Request operation. |
| C32 nbsEfmOamVariableResponseRx | 1.3.6.1.4.1.629.300.1.3.1.1.25 | Counter32 | read-only | A count of OAMPDUs received that contain the Variable Response code specified in Table 57-4. This counter is incremented on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) the OAM code equals the Variable Response code and is supported by the device. |
| C32 nbsEfmOamVariableResponseTx | 1.3.6.1.4.1.629.300.1.3.1.1.24 | Counter32 | read-only | A count of OAMPDUs passed to the OAM subordinate sublayer for transmission that contain the Variable Response code specified in Table 57-4. This counter is incremented when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAM code indicating a Variable Response operation. |
| UNS nbsEfmOamVendorDeviceId | 1.3.6.1.4.1.629.300.1.3.1.1.10 | Unsigned16 | read-only | The value of the Device Identifier variable in the Vendor Identifier field (see Table 57-9) of the most recently sent Information OAMPDU. This value is updated on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) a OAMPDU code equal to the Information code as specified in Table 57-4. |
| UNS nbsEfmOamVendorDeviceVersion | 1.3.6.1.4.1.629.300.1.3.1.1.11 | Unsigned16 | read-only | The value of the Version Identifier variable in the Vendor Identifier field (see Table 57-9) of the most recently sent Information OAMPDU. This value is updated on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) a OAMPDU code equal to the Information code as specified in Table 57-4. |
| OCT nbsEfmOamVendorOUI | 1.3.6.1.4.1.629.300.1.3.1.1.9 | OCTET STRING | read-only | The value of the OUI variable in the Vendor Identifier field (see Table 57-9) of the most recently sent Information OAMPDU. This value is updated on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in Table 43B-3, (4) a OAMPDU code equal to the Information code as specified in Table 57-4. |
| nbsEfmObjects | 1.3.6.1.4.1.629.300.1 | all MIB objects in nbsEfm MIB. | ||
| NUM nbsEfmPhysicalIfIndex | 1.3.6.1.4.1.629.300.1.3.1.1.1 | InterfaceIndex | read-only | ifIndex from the MIB-II Interface Table for the physical port on which this OAM traffic flows. |
| nbsEfmProduct | 1.3.6.1.4.1.629.300.2 |
RFC description
Represents 802.3ah Ethernet in the First Mile (EFM) information including OAM features for subscriber access networks.
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