All MIBs › NMS-EPON-ONU-INTERFACE
Organization: NMS Communications
Last Updated: 2009-01-01
Category: GPON/EPON
Description:
Manages NMS Communications EPON ONU interface configuration, status, and operational parameters.
Imported Objects
From NMS-SMI
| nmsEPONGroup | OBJECT-IDENTITY |
From SNMPv2-SMI
| Integer32 | |
| MODULE-IDENTITY | |
| OBJECT-TYPE |
What Is NMS-EPON-ONU-INTERFACE?
NMS-EPON-ONU-INTERFACE is a vendor MIB from NMS Communications for managing Ethernet Passive Optical Network (EPON) Optical Network Unit (ONU) interfaces, part of fiber access networking equipment. It exposes interface-level configuration and operational status for the ONU's user-facing (UNI) and network-facing ports in an EPON deployment. Its main monitoring value is tracking the operational status of ONU interfaces, letting operators detect whether a subscriber-facing UNI port is up or down, which is a key hardware/link-health indicator in fiber access networks. As an EPON-specific module it operates alongside standard IF-MIB interface conventions and EPON/PON-related standards for a complete picture of the access link. It is typically deployed by fiber broadband/access network operators managing ONU devices at customer premises or aggregation points. Operators setting up new monitoring will typically download the NMS-EPON-ONU-INTERFACE MIB file directly from NMS Communications so it can be compiled into their network management tools.
IPNetwork Monitor allows you to monitor SNMP objects defined in NMS-EPON-ONU-INTERFACE. 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.
What Can Be Monitored
- ONU UNI interface operational status
- ONU interface sequence/index
Supported Devices
- EPON Optical Network Unit (ONU)
Monitoring Examples
An operator would poll onuUniIfOperStatus, indexed by onuIfSequenceNo under nmsEponOnuIf, to detect when a subscriber's ONU user-facing interface has gone down, indicating a fiber cut, ONU power loss, or customer equipment disconnect. Tracking changes in operational status across multiple ONUs on the same EPON segment helps distinguish an isolated customer-premises issue from a shared fiber/OLT problem.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| nmsEponOnuIf | 1.3.6.1.4.1.11606.10.101.12 | |||
| nmsEponOnuIfModule | 1.3.6.1.4.1.11606.10.101.12 | Stub for NMS-EPON-ONU-INTERFACE: ONU interface objects. | ||
| I32 onuIfSequenceNo | 1.3.6.1.4.1.11606.10.101.12.1 | Integer32 | read-only | Sequence number for ONU interface status change events. |
| INT onuUniIfOperStatus | 1.3.6.1.4.1.11606.10.101.12.2 | INTEGER | read-only | Operational status of the ONU UNI interface. |
FAQ
What is NMS-EPON-ONU-INTERFACE used for in monitoring fiber access networks?
It reports operational status for an EPON ONU's user-facing interfaces, letting a fiber broadband operator detect whether a subscriber's port is up or down at the ONU, a key hardware/link-health indicator for the last-mile connection.
How can an operator pinpoint a subscriber-facing port outage on an ONU?
By polling ONU UNI interface operational status together with the interface sequence/index, an NMS can identify exactly which ONU interface has gone down, helping operators locate a subscriber-facing outage in an EPON deployment.
RFC description
EPON ONU interface MIB for managing Ethernet Passive Optical Network Optical Network Unit device interfaces.
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