PEA-POWER-ETHERNET-MIB

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

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Organization: IETF Ethernet Interfaces and Hub MIB Working Group

Last Updated: 2003-02-25

Category: Optical Networking, Power Management

Description: Manages IEEE 802.3af/at Power over Ethernet port configuration and power budget on the Ericsson IP DSLAM platform.

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What Is PEA-POWER-ETHERNET-MIB?

This MIB implements IEEE 802.3af/802.3at Power over Ethernet (PoE) management on Ericsson's IP DSLAM platform, modeling the powered-device (PD) and power-sourcing-equipment (PSE) roles defined by the 802.3af standard. It exposes configuration and status data for PoE-capable ports, including per-port power budget, power group assignments, and power delivery state. Its monitoring value lies in tracking the hardware health of the power subsystem: whether ports are within their power budget, whether a PSE group has exceeded its allocation, and whether individual ports have successfully negotiated or failed to deliver power to attached devices. It directly implements the IEEE 802.3af/802.3at Powered Ethernet (DTE Power via MDI) standard, making it dependent on that specification's data model. It is deployed on Ericsson IP DSLAM access nodes that supply PoE to downstream devices such as IP phones or wireless access points. Engineers implementing or auditing this functionality typically reference the PEA-POWER-ETHERNET-MIB RFC/standard documentation for the authoritative specification.

IPNetwork Monitor allows you to monitor SNMP objects defined in PEA-POWER-ETHERNET-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

  • Ericsson IP DSLAM

Monitoring Examples

An administrator would poll per-port power delivery status and budget objects to see whether a port is drawing power within its allocated group limit, revealing an over-budget PSE group before it trips a fault. A port that fails to reach a powered state despite being enabled would indicate either a non-compliant powered device or a hardware fault on that port. No sample object names were provided for this module, so specific identifiers cannot be confirmed here.

What Can Be Monitored

  • per-port power delivery state
  • power budget utilization
  • PSE power group allocation
  • port power negotiation status
Imported Objects

From DXD-SMI

diaxMIBMODULE-IDENTITY

From IF-MIB

InterfaceIndex

From SNMPv2-CONF

MODULE-COMPLIANCE
NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Gauge32
Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
mib-2

From SNMPv2-TC

TruthValue

How to Use in IPNetwork Monitor

Example using pethPsePortMPSAbsentCounter OID:

Select an Ericsson IP DSLAM (802.3af/at Power over Ethernet) as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type pethPsePortMPSAbsentCounter into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. Counts the number of times that the pethPsePortPowerMaintenanceStatus attribute changes from any value to the value mPSAbsent(3). On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter32-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.
OIDs

RFC description

Vendor-specific MIB for Power over Ethernet (PoE) agent functionality; manages PoE power delivery, port status, and power consumption monitoring on network devices.

Start monitoring Ericsson IP DSLAM (802.3af/at Power over Ethernet) 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.

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