All MIBs › NMS-EPON-OAM-REMOTE-LOOPBACK
Category: GPON/EPON, OAM
Description: Controls NMS Communications EPON OAM remote loopback activation and status on ONU links.
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What Is NMS-EPON-OAM-REMOTE-LOOPBACK?
NMS-EPON-OAM-REMOTE-LOOPBACK is a private enterprise MIB from NMS Communications for controlling and reporting Ethernet OAM remote loopback on EPON ONU (optical network unit) links. No module description or sample objects were extracted here, so the precise object set cannot be detailed, but by name it clearly governs activating/deactivating remote loopback mode on a given ONU link and reporting whether loopback is currently active. This is a software/link-diagnostic-status MIB: it would let an operator confirm whether a specific ONU port is in loopback mode, important both to diagnose a fiber link fault and to make sure a port wasn't accidentally left in loopback (taking it out of normal service). It relies conceptually on the IEEE 802.3ah Ethernet OAM (Ethernet in the First Mile) loopback standard, adapted to the EPON ONU context. It is typically deployed on EPON OLT/ONU access equipment for remote link fault diagnosis without needing on-site technician access to the ONU. Engineers can download the NMS-EPON-OAM-REMOTE-LOOPBACK file directly to load it into their MIB browser.
IPNetwork Monitor allows you to monitor SNMP objects defined in NMS-EPON-OAM-REMOTE-LOOPBACK. 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
- EPON ONU (optical network unit)
- EPON OLT (optical line terminal)
Monitoring Examples
No concrete object or table names were included in this extract, so a specific polling example cannot be responsibly constructed. Based on its purpose, an operator would be expected to set a per-ONU loopback-enable object to place a suspect link into remote loopback for testing, then read a corresponding status object to confirm the loopback is active and later clear it -- leaving a port in loopback by mistake would be a fault this MIB is meant to help catch.
Imported Objects
From NMS-EPON-LLID
| llidIfIndex | OBJECT-TYPE |
From NMS-SMI
| nmsEPONGroup | OBJECT-IDENTITY |
From RFC-1212
| OBJECT-TYPE |
From RFC1213-MIB
| DisplayString | |
| PhysAddress | |
| ifIndex |
From SNMPv2-SMI
| Counter64 |
From SNMPv2-TC
| RowStatus |
OIDs
RFC description
Provides EPON OAM remote loopback testing on OLT systems with frame transmission and RTT measurement.
Start monitoring NMS Communications EPON OLT/ONU access equipment (remote OAM loopback) 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.