All MIBs › NMS-EPON-ONU-MULTICAST-VLAN
Category: GPON/EPON, Multicast, VLAN Management
Description: Configures NMS Communications EPON ONU multicast VLAN membership for downstream group traffic.
Start monitoring vendor-neutral, standards-based MIB, any SNMPv3-capable network device (SNMP engine identity/boot/clock status) 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.
What Is NMS-EPON-ONU-MULTICAST-VLAN?
NMS-EPON-ONU-MULTICAST-VLAN is a vendor-specific MIB from NMS Communications for Ethernet Passive Optical Network (EPON) equipment, specifically targeting Optical Network Unit (ONU) devices at the subscriber end of a fiber access network. It exposes configuration data related to multicast VLAN membership, controlling which downstream multicast groups (e.g., IPTV channels) are forwarded to which ONU ports. As a configuration-oriented module it is used less for hardware fault monitoring and more for verifying that multicast VLAN assignments are correctly provisioned and consistent across ONUs. It likely depends on or complements standard EPON/GPON access MIBs and IEEE 802.1Q VLAN conventions for multicast group handling. It is typically deployed by access network operators managing FTTH/EPON last-mile deployments to ensure multicast video/data services reach the correct subscriber premises. Engineers can download the NMS-EPON-ONU-MULTICAST-VLAN file directly to load it into their MIB browser.
IPNetwork Monitor allows you to monitor SNMP objects defined in NMS-EPON-ONU-MULTICAST-VLAN. 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 Optical Network Unit (ONU)
- NMS Communications access equipment
Monitoring Examples
No sample objects were provided for this MIB in the source, so specific runtime object names cannot be confirmed; based on the module name, one would expect an ONU-indexed table mapping multicast VLAN IDs to ONU ports, similar to an nmsEponOnuMcastVlanTable/Entry pattern. An operator would poll such a table to verify a given ONU is correctly joined to the multicast VLANs carrying its subscribed IPTV channels. A misconfiguration would show up as an ONU port missing from an expected multicast VLAN entry, explaining a subscriber's missing channels.
What Can Be Monitored
- multicast VLAN membership per ONU port
- downstream multicast group assignment
- VLAN-to-ONU port mapping
Imported Objects
From NMS-SMI
| nmsEPONGroup | OBJECT-IDENTITY |
From RFC-1212
| OBJECT-TYPE |
From RFC1155-SMI
| Counter | |
| IpAddress |
From RFC1213-MIB
| DisplayString |
From SNMPv2-TC
| MacAddress | |
| PhysAddress | |
| RowStatus | |
| TruthValue |
OIDs
RFC description
Manages EPON ONU multicast VLAN configuration for network-based TV and multicast services on optical access networks.
Start monitoring NMS Communications EPON ONU (multicast VLAN membership) 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.