All MIBs › NSCRTV-EPON-STP-MGM-MIB
Category: CATV and HFC
Description: Manages Spanning Tree Protocol configuration and port states on NSCRTV EPON cable TV OLT platforms.
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What Is NSCRTV-EPON-STP-MGM-MIB?
NSCRTV-EPON-STP-MGM-MIB is a vendor MIB (NSCRTV) for Ethernet Passive Optical Network (EPON) cable-TV OLT platforms that manages Spanning Tree Protocol configuration and port states. It belongs to the network-topology/loop-prevention category, exposing STP-related configuration and per-port STP state data. Its monitoring relevance is on the software/protocol-state side of the device: tracking whether STP is enabled, the current STP port states (e.g., blocking, forwarding, learning), and configuration parameters, which lets operators detect topology loops, unexpected port state transitions, or STP misconfiguration on the OLT. Because it implements the IEEE 802.1D Spanning Tree Protocol, it is conceptually dependent on that standard's port-state model even as a vendor-private module. It is typically deployed on NSCRTV EPON OLT equipment used by cable-TV/broadband operators to prevent loops in access-network Ethernet topologies. Engineers can download the NSCRTV-EPON-STP-MGM-MIB file directly to load it into their MIB browser.
IPNetwork Monitor allows you to monitor SNMP objects defined in NSCRTV-EPON-STP-MGM-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
- NSCRTV EPON OLT (cable-TV/broadband access device)
Monitoring Examples
The module description text was garbled/non-English in the source excerpt (appears to reference STP directly), so no specific object names could be extracted; in general an administrator managing an EPON OLT would expect a per-port STP state table to confirm ports are in the expected forwarding/blocking state and to catch a port stuck in a blocking or looping condition. Because sample_objects were empty, this description should be verified against the actual MIB source before relying on specific object names.
What Can Be Monitored
- STP enable/configuration status
- per-port STP state
Imported Objects
From BRIDGE-MIB
| BridgeId | |
| Timeout |
| AutoNegotiationTechAbility | |
| EponAlarmCode | |
| EponAlarmInstance | |
| EponCardIndex | |
| EponDeviceIndex | |
| EponPortIndex | |
| EponSeverityType | |
| EponStats15MinRecordType | |
| EponStats24HourRecordType | |
| EponStatsThresholdType | |
| TAddress | |
| stpManagementObjects | OBJECT-IDENTITY |
From SNMPv2-SMI
| Counter32 | |
| MODULE-IDENTITY | |
| OBJECT-TYPE | |
| TimeTicks | |
| Unsigned32 |
From SNMPv2-TC
| DateAndTime | |
| DisplayString | |
| MacAddress | |
| RowStatus | |
| TEXTUAL-CONVENTION | |
| TimeStamp | |
| TruthValue |
OIDs
RFC description
EPON Spanning Tree Protocol management MIB for STP configuration and topology control.
Start monitoring NSCRTV EPON OLT (cable-TV/broadband access, Spanning Tree Protocol) 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.