ZYXEL-HW-MONITOR-MIB

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Organization: Enterprise Solution ZyXEL

Last Updated: 2012-07-01

Category: ZyXEL System and Hardware Management

Description: Monitors ZyXEL switch hardware health including fan speed, temperature sensors, and power supply status.

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What Is ZYXEL-HW-MONITOR-MIB?

ZYXEL-HW-MONITOR-MIB is a ZyXEL enterprise MIB covering the hardware-health subsystem of ZyXEL managed switches. It exposes environmental and physical status data such as fan speed readings, chassis/board temperature sensor values, and power supply operational state. This is squarely a hardware-health monitoring MIB, used to detect early-warning conditions like fans failing or slowing, temperatures exceeding safe thresholds, or a power supply unit going offline, all of which can precede a device outage. It is a vendor-specific extension sitting alongside standard interface/entity MIBs and does not itself track interface traffic or software process status. It is typically polled continuously by network monitoring systems watching ZyXEL switch racks in wiring closets or data centers to catch environmental faults before they cause downtime. Engineers can download the ZYXEL-HW-MONITOR-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ZYXEL-HW-MONITOR-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

ZyXEL managed switches

Monitoring Examples

The source metadata available for this MIB does not list concrete object or table names, only the general description of a hardware-monitor subtree, so specific OIDs can't be cited without inventing them. In practice a MIB of this kind would expose a fan-speed table, temperature-sensor readings, and power-supply status objects per module/slot, and an operator would poll these to catch a fan slowing down or a power supply unit failing before the switch overheats or loses redundant power.

What Can Be Monitored

fan speed
temperature sensor readings
power supply status
hardware alarm thresholds

Imported Objects

From SNMPv2-SMI

MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE

From SNMPv2-TC

DisplayString

From ZYXEL-ES-SMI

esMgmt

OBJECT-IDENTITY

How to Use in IPNetwork Monitor

Example using zyHwMonitorFanRpmCurrentValue OID:

Select a ZyXEL managed switch (fan-speed/temperature-sensor/power-supply status) 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 zyHwMonitorFanRpmCurrentValue 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. It reports the current speed in Revolutions Per Minute (RPM) on the fan. 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 an INTEGER-type OID, Value bounds is the most useful condition here — trigger an alert if the speed drops below the level expected for a healthy, spinning fan, since a stalled or slowing fan often precedes overheating. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
zyxelHwMonitor	1.3.6.1.4.1.890.1.15.3.26			The subtree for hardware monitor
zyxelHwMonitorStatus	1.3.6.1.4.1.890.1.15.3.26.1
zyxelHwMonitorFanRpmTable	1.3.6.1.4.1.890.1.15.3.26.1.1		not-accessible	The table contains HW monitor fan information.
zyxelHwMonitorFanRpmEntry	1.3.6.1.4.1.890.1.15.3.26.1.1.1		not-accessible	An entry contains HW monitor fan information.
INT zyHwMonitorFanRpmIndex	1.3.6.1.4.1.890.1.15.3.26.1.1.1.1	INTEGER	not-accessible	Index of fan.
STR zyHwMonitorFanRpmDescription	1.3.6.1.4.1.890.1.15.3.26.1.1.1.2	DisplayString	read-only	Fan Description
INT zyHwMonitorFanRpmCurrentValueEx	1.3.6.1.4.1.890.1.15.3.26.1.1.1.3	INTEGER	read-only	Current speed in Revolutions Per Minute (RPM) on the fan.
INT zyHwMonitorFanRpmMaxValue	1.3.6.1.4.1.890.1.15.3.26.1.1.1.4	INTEGER	read-only	Maximum speed measured in Revolutions Per Minute (RPM) on the fan.
INT zyHwMonitorFanRpmMinValue	1.3.6.1.4.1.890.1.15.3.26.1.1.1.5	INTEGER	read-only	Minimum speed measured in Revolutions Per Minute (RPM) on the fan.
INT zyHwMonitorFanRpmLowThreshold	1.3.6.1.4.1.890.1.15.3.26.1.1.1.6	INTEGER	read-only	The minimum speed at which a normal fan should work.
STR zyHwMonitorFanRpmStatus	1.3.6.1.4.1.890.1.15.3.26.1.1.1.7	DisplayString	read-only	'Normal' indicates that this fan is functioning above the minimum speed. 'Error' indicates that this fan is functioning below the minimum speed.
zyxelHwMonitorTemperatureTable	1.3.6.1.4.1.890.1.15.3.26.1.2		not-accessible	The table contains HW monitor temperature information.
zyxelHwMonitorTemperatureEntry	1.3.6.1.4.1.890.1.15.3.26.1.2.1		not-accessible	An entry contains HW temperature information.
INT zyHwMonitorTemperatureIndex	1.3.6.1.4.1.890.1.15.3.26.1.2.1.1	INTEGER	not-accessible	Index of temperature unit.
STR zyHwMonitorTemperatureDescription	1.3.6.1.4.1.890.1.15.3.26.1.2.1.2	DisplayString	read-only	Temperature Description
INT zyHwMonitorTemperatureCurrentValue	1.3.6.1.4.1.890.1.15.3.26.1.2.1.3	INTEGER	read-only	The current temperature measured at this sensor.
INT zyHwMonitorTemperatureMaxValue	1.3.6.1.4.1.890.1.15.3.26.1.2.1.4	INTEGER	read-only	The maximum temperature measured at this sensor.
INT zyHwMonitorTemperatureMinValue	1.3.6.1.4.1.890.1.15.3.26.1.2.1.5	INTEGER	read-only	The minimum temperature measured at this sensor.
INT zyHwMonitorTemperatureHighThreshold	1.3.6.1.4.1.890.1.15.3.26.1.2.1.6	INTEGER	read-only	The upper temperature limit at this sensor.
STR zyHwMonitorTemperatureStatus	1.3.6.1.4.1.890.1.15.3.26.1.2.1.7	DisplayString	read-only	'Normal' indicates temperatures below the threshold and 'Error' for those above.
zyxelHwMonitorVoltageTable	1.3.6.1.4.1.890.1.15.3.26.1.3		not-accessible	The table contains HW monitor voltage information.
zyxelHwMonitorVoltageEntry	1.3.6.1.4.1.890.1.15.3.26.1.3.1		not-accessible	An entry contains HW voltage information.
INT zyHwMonitorVoltageIndex	1.3.6.1.4.1.890.1.15.3.26.1.3.1.1	INTEGER	not-accessible	Index of voltage.
STR zyHwMonitorVoltageDescription	1.3.6.1.4.1.890.1.15.3.26.1.3.1.2	DisplayString	read-only	Voltage Description
INT zyHwMonitorVoltageCurrentValue	1.3.6.1.4.1.890.1.15.3.26.1.3.1.3	INTEGER	read-only	The current voltage reading.
INT zyHwMonitorVoltageMaxValue	1.3.6.1.4.1.890.1.15.3.26.1.3.1.4	INTEGER	read-only	The maximum voltage measured at this point.
INT zyHwMonitorVoltageMinValue	1.3.6.1.4.1.890.1.15.3.26.1.3.1.5	INTEGER	read-only	The minimum voltage measured at this point.
INT zyHwMonitorVoltageNominalValue	1.3.6.1.4.1.890.1.15.3.26.1.3.1.6	INTEGER	read-only	The normal voltage at which the switch work.
INT zyHwMonitorVoltageLowThreshold	1.3.6.1.4.1.890.1.15.3.26.1.3.1.7	INTEGER	read-only	The minimum voltage at which the switch should work.
STR zyHwMonitorVoltageStatus	1.3.6.1.4.1.890.1.15.3.26.1.3.1.8	DisplayString	read-only	'Normal' indicates that the voltage is within an acceptable operating range at this point; otherwise 'Error' is displayed.
zyxelHwMonitorPowerSource	1.3.6.1.4.1.890.1.15.3.26.1.4
STR zyHwMonitorPowerSourceMode	1.3.6.1.4.1.890.1.15.3.26.1.4.1	DisplayString	read-only	The current power source reading (AC prefer, load-sharing).
zyxelHwMonitorPowerSourceTable	1.3.6.1.4.1.890.1.15.3.26.1.4.2		not-accessible	The table contains HW monitor power source information.
zyxelHwMonitorPowerSourceEntry	1.3.6.1.4.1.890.1.15.3.26.1.4.2.1		not-accessible	An entry contains HW power source information.
INT zyHwMonitorPowerSourceIndex	1.3.6.1.4.1.890.1.15.3.26.1.4.2.1.1	INTEGER	not-accessible	Index of power source.
STR zyHwMonitorPowerSourceType	1.3.6.1.4.1.890.1.15.3.26.1.4.2.1.2	DisplayString	read-only	The current power source type (AC/DC).
STR zyHwMonitorPowerSourceStatus	1.3.6.1.4.1.890.1.15.3.26.1.4.2.1.3	DisplayString	read-only	The current power source status (absent/present/on).
zyxelHwMonitorNotifications	1.3.6.1.4.1.890.1.15.3.26.2
NTF zyHwMonitorFanSpeedOutOfRange	1.3.6.1.4.1.890.1.15.3.26.2.1			Fan speed is out of the normal operation range.
NTF zyHwMonitorTemperatureOutOfRange	1.3.6.1.4.1.890.1.15.3.26.2.2			Temperature is out of the normal operation range.
NTF zyHwMonitorPowerSupplyVoltageOutOfRange	1.3.6.1.4.1.890.1.15.3.26.2.3			Power supply voltage is out of the normal operation range.
NTF zyHwMonitorBackupPowerSupplyInUse	1.3.6.1.4.1.890.1.15.3.26.2.4			Backup power in use is fault.
NTF zyHwMonitorDyingGasp	1.3.6.1.4.1.890.1.15.3.26.2.5			Unexpected power down or low power is detected.
NTF zyHwMonitorFanAirFlowInconsistency	1.3.6.1.4.1.890.1.15.3.26.2.6			FAN airflows are inconsistent.
NTF zyHwMonitorFanSpeedOutOfRangeRecovered	1.3.6.1.4.1.890.1.15.3.26.2.7			Fan speed is recovered from out of the normal operation range.
NTF zyHwMonitorTemperatureOutOfRangeRecovered	1.3.6.1.4.1.890.1.15.3.26.2.8			Temperature is recovered from out of the normal operation range.
NTF zyHwMonitorPowerSupplyVoltageOutOfRangeRecovered	1.3.6.1.4.1.890.1.15.3.26.2.9			Power supply voltage is recovered from out of the normal operation range.

RFC description

Monitors hardware health including fan RPM, temperature, and voltage with threshold alerts on ZyXEL enterprise switches.

Start monitoring ZyXEL managed switches (fan-speed/temperature-sensor/power-supply 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.

Download ZYXEL-HW-MONITOR-MIB