Dlink-GREEN-MIB

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Organization: Dlink Semiconductor, Inc.

Last Updated: 2008-08-15

Category: Technology: Energy Efficiency, Vendor: D-Link

Description: Manages energy-efficient/green networking features such as EEE (Energy Efficient Ethernet) and cable length power adjustment on D-Link switches.

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What Is Dlink-GREEN-MIB?

This is a proprietary D-Link MIB (using an 'rl' object prefix suggesting shared Realtek-based OEM switch-chip code) for Green Ethernet energy-saving features, including Energy Efficient Ethernet (EEE), short-reach/cable-length-based power adjustment, and energy-detect standby modes. It exposes system-wide and per-port configuration for enabling these features along with real-time and cumulative power-consumption metrics. It directly supports monitoring hardware power-management status: current and maximum energy consumption plus a cumulative power-save meter let an operator confirm energy savings are actually occurring, while per-port admin versus operational state reveals whether EEE negotiation succeeded on a given link. No specific external MIB dependency is stated beyond the vendor's private enterprise tree, though the shared 'rl' prefix suggests reuse across other Realtek-based OEM switch lines. It is typically deployed on D-Link managed switches in energy-conscious enterprise or SMB deployments wanting visibility into power consumption and savings. Network engineers evaluating or troubleshooting this functionality can download the Dlink-GREEN-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in Dlink-GREEN-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

D-Link managed switch

Monitoring Examples

Polling rlGreenEthCurrentEnergyConsumption alongside rlGreenEthCurrentMaxEnergyConsumption shows real-time versus peak power draw, while rlGreenEthCumulativePowerSaveMeter tracks total energy saved over time. Comparing rlGreenEthPortTable's rlGreenEthPortAdminState against rlGreenEthPortOperState for a given port reveals whether EEE was administratively enabled but failed to negotiate operationally, which typically points to a link-partner compatibility issue.

What Can Be Monitored

current energy consumption
maximum energy consumption
cumulative power-save meter
per-port EEE admin/operational state
short-reach threshold setting
energy-detect enable status

Imported Objects

From DLINK-3100-MIB

rnd	MODULE-IDENTITY

From IF-MIB

ifIndex

OBJECT-TYPE

From Q-BRIDGE-MIB

PortList

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

TEXTUAL-CONVENTION
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
rlGreenEth	1.3.6.1.4.1.171.10.94.89.89.134			The private MIB module definition for Green Ethernet Energy Detect feature.
T/F rlGreenEthEnergyDetectEnable	1.3.6.1.4.1.171.10.94.89.89.134.1	TruthValue	read-write	This scalar defines Green Ethernet Enrgy-Detect Globaly
T/F rlGreenEthShortReachEnable	1.3.6.1.4.1.171.10.94.89.89.134.2	TruthValue	read-write	This scalar defines Green Ethernet Short-Reach Globaly
U32 rlGreenEthCurrentEnergyConsumption	1.3.6.1.4.1.171.10.94.89.89.134.3	Unsigned32	read-only	This scalar define Green Ethernet all modes current Energy consumption per system in mWatt in order to calculate current energy consumption in percent proportional to Consumption without Green Ethernet feature please use the following formula: (rlGreenEthCurrentEnergyConsumption/rlGreenEthCurrentMaxEnergyConsumption)*100
U32 rlGreenEthCurrentMaxEnergyConsumption	1.3.6.1.4.1.171.10.94.89.89.134.4	Unsigned32	read-only	This scalar define Green Ethernet current maximum consumption Energy consumption per system in mWatt, as it was without Green Ethernet feature.
U32 rlGreenEthCumulativePowerSaveMeter	1.3.6.1.4.1.171.10.94.89.89.134.5	Unsigned32	read-only	This scalar define Green Ethernet cumulative power save per system in Watt*Hour
U32 rlGreenEthShortReachThreshold	1.3.6.1.4.1.171.10.94.89.89.134.6	Unsigned32	read-write	The usage threshold expressed in meter for determinate the cable length for Short-Reach
T/F rlGreenEthCumulativePowerSaveMeterReset	1.3.6.1.4.1.171.10.94.89.89.134.7	TruthValue	read-write	The rlGreenEthCumulativePowerSaveMeterReset indicates that rlGreenEthCumulativePowerSaveMeter should be set to ziro. This object behaviors as write-only than reading this object will always return 'false'.
rlGreenEthPortTable	1.3.6.1.4.1.171.10.94.89.89.134.8		not-accessible	A table of green state of ports
rlGreenEthPortEntry	1.3.6.1.4.1.171.10.94.89.89.134.8.1		not-accessible	An entry of green state of port
RLG rlGreenEthPortSavingTypeValue	1.3.6.1.4.1.171.10.94.89.89.134.8.1.1	RlGreenSavingType	not-accessible	Green saving types
T/F rlGreenEthPortAdminState	1.3.6.1.4.1.171.10.94.89.89.134.8.1.2	TruthValue	read-write	Active\non Active
T/F rlGreenEthPortOperState	1.3.6.1.4.1.171.10.94.89.89.134.8.1.3	TruthValue	read-only	Active\non Active
NON rlGreenEthPortNonOperReason	1.3.6.1.4.1.171.10.94.89.89.134.8.1.4	NonOperReasonType	read-only	Reason why saving mode is not activated
POR rlGreenEthForceShortReachIfIndexList	1.3.6.1.4.1.171.10.94.89.89.134.9	PortList	read-write	The ports that forced enable the Green Ethernet Short Reach configuration not considering VCT results.

RFC description

D-Link vendor MIB for power consumption and energy efficiency monitoring on D-Link devices; vendor-private.

Start monitoring D-Link managed switch (Green Ethernet/EEE energy-saving) 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.

Download Dlink-GREEN-MIB

What Is Dlink-GREEN-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description