FASTPATH-GREENETHERNET-PRIVATE-MIB

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Organization: Broadcom Corporation

Last Updated: 2011-01-26

Description: FASTPATH-GREENETHERNET-PRIVATE-MIB module

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What Is FASTPATH-GREENETHERNET-PRIVATE-MIB?

This Broadcom FASTPATH private MIB implements Green Ethernet energy-efficiency features, most notably IEEE 802.3az Energy Efficient Ethernet (EEE), on FASTPATH-based switches. It exposes global EEE configuration (mode, transmit wake time, transmit idle time) alongside cumulative and historical energy-saving statistics tracked per interface, including a Low Power Idle (LPI) history table sampled at configurable intervals. Its monitoring emphasis is on power-management/software feature status rather than fault detection — agentGreenCumEnergySaving and the per-interface agentGreenEeeLpiHistoryIntfPercentLpiTime reveal how much time each link spends in the low-power idle state, letting an admin verify EEE is actually engaging and estimate energy savings, while unexpectedly low LPI time on an idle link could indicate an EEE negotiation problem with the link partner. It extends the IEEE 802.3az EEE standard with FASTPATH-specific historical sampling rather than depending on another IETF MIB. It is deployed on FASTPATH-based edge and access switches in energy-conscious enterprise or campus deployments where EEE-capable links are used to reduce power draw on lightly-loaded ports. Engineers can download the FASTPATH-GREENETHERNET-PRIVATE-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in FASTPATH-GREENETHERNET-PRIVATE-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

FASTPATH-based Ethernet switch (multiple OEM brands) with IEEE 802.3az EEE-capable ports

Monitoring Examples

An admin would check agentGreenEeeMode globally, then poll agentGreenIntfEeeLpiHistoryEntry (indexed by agentGreenEeeLpiHistoryIntfIndex and agentGreenEeeLpiHistoryIntfSampleIndex) to read agentGreenEeeLpiHistoryIntfPercentLpiTime and agentGreenEeeLpiHistoryIntfPercentLpiTimeTotal for a given interface, confirming how much of the sample window that link spent in low-power idle mode. agentGreenEeeTxWakeTime and agentGreenEeeTxIdleTime show the configured EEE timers, and agentGreenCumEnergySaving gives a cumulative energy-savings figure; a link expected to be lightly loaded but showing near-zero LPI time would suggest an EEE negotiation mismatch with its link partner.

What Can Be Monitored

global EEE mode
EEE transmit wake/idle timers
cumulative energy savings
per-interface LPI history/percentage
LPI sample interval and max samples

Imported Objects

From BROADCOM-REF-MIB

fastPath

OBJECT-IDENTITY

From IF-MIB

InterfaceIndexOrZero

From Netgear-MIB

ng700smartswitch

OBJECT-IDENTITY

From RFC1213-MIB

DisplayString

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

TEXTUAL-CONVENTION

OIDs

OID symbolic	OID numeric	Type	Access	Description
fastPathGreenEthernet	1.3.6.1.4.1.4526.11.500			The MIB definitions for FASTPATH Green Ethernet Feature.
agentGreenEthernet	1.3.6.1.4.1.4526.11.500.1
agentGreenEthernetTable	1.3.6.1.4.1.4526.11.500.1.1		not-accessible	A table providing configuration of green Ethernet features
agentGreenEthernetEntry	1.3.6.1.4.1.4526.11.500.1.1.1		not-accessible	Green Ethernet features for a port.
INT agentEthernetIntfIndex	1.3.6.1.4.1.4526.11.500.1.1.1.1	INTEGER	not-accessible	This is a unique index for an entry in the agentGreenEthernetTable. A non-zero value indicates the ifIndex for the corresponding interface entry in the ifTable. A value of zero represents global configuration, which in turn causes all interface entries to be updated for a set operation, or reflects the most recent global setting for a get operation.
INT agentGreenEnergyDetectMode	1.3.6.1.4.1.4526.11.500.1.1.1.2	INTEGER	read-write	Enable or disable Energy Detect Mode
INT agentGreenEnergyDetectOperStatus	1.3.6.1.4.1.4526.11.500.1.1.1.3	INTEGER	read-only	This tells if energy detect operational status is currently active or inactive. The energy detect mode may be administratively enabled, but the operational status may be inactive.
STR agentGreenEnergyDetectOperReason	1.3.6.1.4.1.4526.11.500.1.1.1.4	DisplayString	read-only	The energy detect mode may be administratively enabled, but the operational status may be inactive. The reasons for this may be that the Port is currently operating in the fiber mode, the Link is up, or the Admin Mode is Down. If the energy-detect operational status is active, then the reason field shows up as No energy Detected
INT agentGreenAutoShortReachMode	1.3.6.1.4.1.4526.11.500.1.1.1.5	INTEGER	read-write	Enable or disable Auto Short Reach Mode
INT agentGreenForceShortReachMode	1.3.6.1.4.1.4526.11.500.1.1.1.6	INTEGER	read-write	Enable or disable Force Short Reach Mode
INT agentGreenShortReachOperStatus	1.3.6.1.4.1.4526.11.500.1.1.1.7	INTEGER	read-only	This tells if short reach operational status is currently active or inactive. The short reach mode may be administratively enabled, but the operational status may be inactive.
STR agentGreenShortReachOperReason	1.3.6.1.4.1.4526.11.500.1.1.1.8	DisplayString	read-only	The short-reach mode may be administratively enabled, but the operational status may be inactive. The reason may be that cable is Long, or the Link may be Down. If the short reach operational status is active, then the reason field shows up as short cable or Forced.
INT agentGreenEeeMode	1.3.6.1.4.1.4526.11.500.1.1.1.9	INTEGER	read-write	Enable or disable Energy Efficient Ethernet Mode
INT agentGreenEeeTxWakeTime	1.3.6.1.4.1.4526.11.500.1.1.1.10	INTEGER	read-write	Time for which MAC / switch has to wait to go back to ACTIVE state from LPI state when it receives packet for transmission.
INT agentGreenEeeTxIdleTime	1.3.6.1.4.1.4526.11.500.1.1.1.11	INTEGER	read-write	Time for which condition to move to LPI state is satisfied, at the end of which MAC TX transitions to LPI state
INT agentGreenCumEnergySaving	1.3.6.1.4.1.4526.11.500.1.1.1.12	INTEGER	read-only	Estimated Cumulative Energy Saved on this port in (Watt*hours).
agentGreenIntfEeeLpiHistoryTable	1.3.6.1.4.1.4526.11.500.1.2		not-accessible	A table providing configuration and status of green Ethernet Power Saving History feature
agentGreenIntfEeeLpiHistoryEntry	1.3.6.1.4.1.4526.11.500.1.2.1		not-accessible	Green Ethernet features for a port.
INT agentGreenEeeLpiHistoryIntfIndex	1.3.6.1.4.1.4526.11.500.1.2.1.1	INTEGER	not-accessible	This is a unique index for an entry in the agentGreenEthernetTable. A non-zero value indicates the ifIndex for the corresponding interface entry in the ifTable.
INT agentGreenEeeLpiHistoryIntfSampleIndex	1.3.6.1.4.1.4526.11.500.1.2.1.2	INTEGER	not-accessible	This is a unique index for an entry in the agentGreenEthernetTable. A non-zero value indicates the sampleIndex for the corresponding sample entry in the Power Saving History Table.
STR agentGreenEeeLpiHistoryIntfSampleTime	1.3.6.1.4.1.4526.11.500.1.2.1.3	DisplayString	read-only	Time at which the Sample was collected.
INT agentGreenEeeLpiHistoryIntfPercentLpiTime	1.3.6.1.4.1.4526.11.500.1.2.1.4	INTEGER	read-only	Percentage of Time spent in LPI mode on this port since last sample.
INT agentGreenEeeLpiHistoryIntfPercentLpiTimeTotal	1.3.6.1.4.1.4526.11.500.1.2.1.5	INTEGER	read-only	Percentage of Time spent in LPI mode on this port since last reset.
agentGreenUnitFeatureTable	1.3.6.1.4.1.4526.11.500.1.3		not-accessible	A table providing configuration and status of green Ethernet Power Saving History feature
agentGreenUnitFeatureEntry	1.3.6.1.4.1.4526.11.500.1.3.1		not-accessible	Green Ethernet features for a port.
INT agentGreenUnitIndex	1.3.6.1.4.1.4526.11.500.1.3.1.1	INTEGER	not-accessible	This is a unique index for an entry in the agentGreenUnitFeatureTable. A non-zero value indicates the unitIndex for the corresponding unit entry in the Green Ethernet Unit Feature Table.
STR agentGreenFeatureList	1.3.6.1.4.1.4526.11.500.1.3.1.2	DisplayString	read-only	List of Green Features supported on the given unit which could be one or more of the following: Energy-Detect (Energy Detect) Short-Reach (Short Reach) EEE (Energy Efficient Ethernet) LPI-History (EEE Low Power Idle History) LLDP-Cap-Exchg (EEE LLDP Capability Exchange) Pwr-Usg-Est (Power Usage Estimates).
INT agentGreenEeeLpiHistoryIntfSampleInterval	1.3.6.1.4.1.4526.11.500.1.4	INTEGER	read-write	Interval at which power consumption data needs to be collected.
INT agentGreenEeeLpiHistoryIntfMaxSamples	1.3.6.1.4.1.4526.11.500.1.5	INTEGER	read-write	Maximum number of samples to keep.
INT agentGreenEeeLpiHistoryLpiTimePerStack	1.3.6.1.4.1.4526.11.500.1.6	INTEGER	read-only	Percentage of LPI time per stack.
INT agentGreenStackCumEnergySaving	1.3.6.1.4.1.4526.11.500.1.7	INTEGER	read-only	Estimated Cumulative Energy Saving (Watts * Hours) per Stack.
INT agentGreenStackCurPowerConsumption	1.3.6.1.4.1.4526.11.500.1.8	INTEGER	read-only	Estimated Current Power Consumption (mWatts) per Stack.
INT agentGreenStackPowerSaving	1.3.6.1.4.1.4526.11.500.1.9	INTEGER	read-only	Estimated Percentage Power Saving per Stack.

RFC description

Broadcom FASTPATH Green Ethernet feature MIB for energy-efficient port configuration and management.

Start monitoring Broadcom FastPath-based Ethernet switch (multi-vendor OEM) (802.3az Energy Efficient 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.

Download FASTPATH-GREENETHERNET-PRIVATE-MIB

What Is FASTPATH-GREENETHERNET-PRIVATE-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description