All MIBs › NSCRTV-EPONEOC-EPON-MIB
Category: CATV and HFC
Description:
Covers ONU discovery and EPON over Coax (EoC) link parameters for NSCRTV HFC broadband systems.
Imported Objects
From BRIDGE-MIB
| BridgeId | |
| Timeout |
From SNMPv2-SMI
| Counter32 | |
| Counter64 | |
| Gauge32 | |
| Integer32 | |
| IpAddress | |
| MODULE-IDENTITY | |
| OBJECT-IDENTITY | |
| OBJECT-TYPE | |
| TimeTicks | |
| Unsigned32 | |
| enterprises |
From SNMPv2-TC
| DateAndTime | |
| DisplayString | |
| MacAddress | |
| RowStatus | |
| TEXTUAL-CONVENTION | |
| TimeStamp | |
| TruthValue |
What Is NSCRTV-EPONEOC-EPON-MIB?
NSCRTV-EPONEOC-EPON-MIB is a vendor-specific MIB for managing EPON-over-Coax (EoC) access networks, covering OLT-to-ONU addressing and discovery in an HFC broadband deployment. Its addressing model encodes an ONU's logical ID from an 8-bit OLT device number, 8-bit card/slot index, 8-bit PON port number, and 8-bit ONU number, and the module organizes management data under an EPON-specific tree (eponTree) alongside a general alarms branch (alarmsIdent) and a properties branch (propertyIdent). This gives it a clear fault/status monitoring role: the alarmsIdent branch is used to expose alarm conditions on the EPON OLT/ONU access layer, such as ONU discovery/registration failures or line faults, which is the module's primary hardware/software status use case rather than performance counters. It sits under the broader nscrtvHFCemsTree and nscrtvRoot enterprise hierarchy, indicating dependency on a parent NSCRTV HFC EMS (Element Management System) MIB structure shared across that vendor's HFC product line. It is deployed on EPON-over-Coax OLT and ONU equipment used in cable/HFC broadband access networks to extend fiber PON service over existing coax wiring, and because it is vendor-specific and not widely mirrored, an NSCRTV-EPONEOC-EPON-MIB download typically has to come directly from the equipment vendor's support portal rather than a general MIB repository.
IPNetwork Monitor allows you to monitor SNMP objects defined in NSCRTV-EPONEOC-EPON-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.
What Can Be Monitored
- ONU discovery/registration status
- OLT-card-port-ONU addressing
- EPON/EoC alarm conditions
- ONU property/configuration identifiers
Supported Devices
- EPON-over-Coax (EoC) OLT equipment
- EPON-over-Coax ONU/CPE devices in HFC broadband networks
Monitoring Examples
An operator would use the eponTree/alarmsIdent branch to monitor alarm conditions on individual ONUs, each addressed by its OLT device, card, PON port, and ONU number as described in the module (with ONU number 0 reserved to mean 'not applicable'). A sudden alarm on a specific OLT-card-port-ONU combination would indicate that ONU has dropped registration or is experiencing a line fault on the coax segment. propertyIdent objects would carry configuration/property data associated with each identified ONU or port, though exact column names beyond the tree roots are not confirmed by the sample objects provided.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| nscrtvRoot | 1.3.6.1.4.1.17409 | |||
| nscrtvHFCemsTree | 1.3.6.1.4.1.17409.1 | |||
| nscrtvEponEocTree | 1.3.6.1.4.1.17409.2 | |||
| propertyIdent | 1.3.6.1.4.1.17409.2.1 | |||
| alarmsIdent | 1.3.6.1.4.1.17409.2.2 | |||
| eponAlarmTree | 1.3.6.1.4.1.17409.2.2.11 | |||
| eponTrapObjectGroup | 1.3.6.1.4.1.17409.2.2.11.1 | |||
| eponAlarmObjGroup | 1.3.6.1.4.1.17409.2.2.11.2 | |||
| eponManagementObjGroup | 1.3.6.1.4.1.17409.2.2.11.3 | |||
| eponTree | 1.3.6.1.4.1.17409.2.3 | |||
| systemObjects | 1.3.6.1.4.1.17409.2.3.1 | |||
| sniObjects | 1.3.6.1.4.1.17409.2.3.2 | |||
| ponPortObjects | 1.3.6.1.4.1.17409.2.3.3 | |||
| onuObjects | 1.3.6.1.4.1.17409.2.3.4 | |||
| uniObjects | 1.3.6.1.4.1.17409.2.3.5 | |||
| igmpManagementObjects | 1.3.6.1.4.1.17409.2.3.6 | |||
| vlanManagementObjects | 1.3.6.1.4.1.17409.2.3.7 | |||
| qosManagementObjects | 1.3.6.1.4.1.17409.2.3.8 | |||
| stpManagementObjects | 1.3.6.1.4.1.17409.2.3.9 | |||
| performanceStatisticObjects | 1.3.6.1.4.1.17409.2.3.10 | |||
| eponLinkedEoCManagementObjects | 1.3.6.1.4.1.17409.2.3.11 | |||
| eoCTree | 1.3.6.1.4.1.17409.2.4 |
RFC description
Manages EPON over Coax (EoC) link parameters and ONU discovery for NSCRTV HFC broadband systems.
Start monitoring EPON-over-Coax (EoC) OLT/ONU equipment in HFC broadband networks with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.