RADLAN-POE-MIB

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Organization: Marvell.

Last Updated: 2010--0-6-

Category: Vendor: RADLAN/Cisco SB

Description: Manages Power over Ethernet port power delivery, limits, and consumption monitoring.

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What Is RADLAN-POE-MIB?

RADLAN-POE-MIB is a Marvell/RADLAN private enterprise MIB that manages Power over Ethernet (PoE) delivery on RADLAN-based PoE switches, extending the standard PoE MIB with vendor-specific fields such as maximum power allocation. It exposes a per-port PSE table with output voltage, output current, output power, configured and operational power limits, and PoE+ (802.3at) support. This is directly a hardware/power-health monitoring MIB: it watches for ports drawing abnormal current or voltage, ports hitting their power limit, or ports whose status/description indicates a fault (overload, short circuit, denied power), critical for detecting failing powered devices (IP phones, cameras, APs) or PSE hardware problems. It builds on the IETF POWER-ETHERNET-MIB (RFC 3621/4836) structure, adding RADLAN-specific power-limit and PoE+ capability objects. It is typically deployed on PoE-capable access switches in enterprise wiring closets powering VoIP phones, wireless access points, and IP cameras. Engineers can download the RADLAN-POE-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in RADLAN-POE-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

Marvell/RADLAN-based PoE-capable Ethernet switch
OEM PoE access switches licensing the RADLAN software stack

Monitoring Examples

An administrator would poll rlPethPsePortTable/rlPethPsePortEntry, reading rlPethPsePortOutputVoltage, rlPethPsePortOutputCurrent, and rlPethPsePortOutputPower per rlPethPsePortIndex to spot a port drawing power outside its normal range. rlPethPsePortStatus and rlPethPsePortStatusDescription reveal fault conditions such as overload or denied-power, while rlPethPsePortOperPowerLimit versus rlPethPsePortPowerLimit shows if a port is throttled below its configured allowance. rlPethPsePortSupportPoePlus confirms whether a port can deliver 802.3at power for higher-draw devices like PTZ cameras.

What Can Be Monitored

per-port PoE output voltage
per-port PoE output current
per-port PoE output power
per-port power limit / operational power limit
port PoE fault/status
PoE+ (802.3at) capability

Imported Objects

From RADLAN-MIB

rnd	OBJECT-IDENTITY

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

DisplayString
TruthValue

How to Use in IPNetwork Monitor

Example using rlPethPsePortOutputVoltage OID:

Select a Marvell/RADLAN-based PoE-capable Ethernet switch, OEM PoE access switch (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 rlPethPsePortOutputVoltage 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. This variable indicates on the output voltage level in milli volts from rlPethPsePortIndex. 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 value drifts significantly from its normal baseline, since an unexpected change often points to a real underlying issue. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
rlPoe	1.3.6.1.4.1.89.108			Add a new field in the PoE MIB to indicate Max power allocation allowed
rlPethPsePortTable	1.3.6.1.4.1.89.108.1		not-accessible	The table listing additional information for Power Over Ethernet ports.
rlPethPsePortEntry	1.3.6.1.4.1.89.108.1.1		not-accessible	An entry in the rlPethPsePortTable.
INT rlPethPsePortGroupIndex	1.3.6.1.4.1.89.108.1.1.1	INTEGER	not-accessible	This variable uniquely identifies the group containing the port to which a power Ethernet PSE is connected. Group means box in the stack, module in a rack and the value 1 MUST be used for non-modular devices. Furthermore, the same value MUST be used in this variable, pethMainPseGroupIndex, and pethNotificationControlGroupIndex to refer to a given box in a stack or module in the rack.
INT rlPethPsePortIndex	1.3.6.1.4.1.89.108.1.1.2	INTEGER	not-accessible	This variable uniquely identifies the power Ethernet PSE port within group pethPsePortGroupIndex to which the power Ethernet PSE entry is connected.
INT rlPethPsePortOutputVoltageEx	1.3.6.1.4.1.89.108.1.1.3	INTEGER	read-only	This variable indicates on the output voltage level in milli volts from rlPethPsePortIndex.
INT rlPethPsePortOutputCurrent	1.3.6.1.4.1.89.108.1.1.4	INTEGER	read-only	This variable indicates on the output current level in milli amper from rlPethPsePortIndex.
INT rlPethPsePortOutputPower	1.3.6.1.4.1.89.108.1.1.5	INTEGER	read-only	This variable indicates on the output power level in milli watts from rlPethPsePortIndex.
INT rlPethPsePortPowerLimit	1.3.6.1.4.1.89.108.1.1.6	INTEGER	read-write	This variable indicates on the user configured power level in milli watts which is available from rlPethPsePortIndex.
INT rlPethPsePortStatus	1.3.6.1.4.1.89.108.1.1.7	INTEGER	read-only	This variable indicates on the hardware status of rlPethPsePortIndex.
STR rlPethPsePortStatusDescription	1.3.6.1.4.1.89.108.1.1.8	DisplayString	read-only	This variable indicates the description of the hardware status of rlPethPsePortIndex.
INT rlPethPsePortOperPowerLimit	1.3.6.1.4.1.89.108.1.1.9	INTEGER	read-only	This variable indicates the maximum power level in milli watts which is available from rlPethPsePortIndex.
T/F rlPethPsePortSupportPoePlus	1.3.6.1.4.1.89.108.1.1.10	TruthValue	read-only	This variable indicates if the port supports poe plus.
STR rlPethPsePortTimeRangeName	1.3.6.1.4.1.89.108.1.1.11	DisplayString	read-write	This variable is used to bind PoE port to time range.
T/F rlPethPsePortOperStatus	1.3.6.1.4.1.89.108.1.1.12	TruthValue	read-only	This Read-Only variable indicates PoE port current status affected by time range active/inactive and admin status.
INT rlPethPsePortMaxPowerAllocAllowed	1.3.6.1.4.1.89.108.1.1.13	INTEGER	read-only	This variable indicates the maximum power allocation allowed per port (including wire power loses) in milli-watts which is available from rlPethPsePortIndex.
T/F rlPethPsePortSupportPoe	1.3.6.1.4.1.89.108.1.1.14	TruthValue	read-only	This variable indicates if the port is a poe port
rlPethMainPseTable	1.3.6.1.4.1.89.108.2		not-accessible	The table listing additional read - only information for Power Over Ethernet.
rlPethMainPseEntry	1.3.6.1.4.1.89.108.2.1		not-accessible	An entry in the rlPethMainPseTable.
INT rlPethMainPseGroupIndex	1.3.6.1.4.1.89.108.2.1.1	INTEGER	not-accessible	This variable uniquely identifies the group containing the port to which a power Ethernet PSE is connected. Group means box in the stack, module in a rack and the value 1 MUST be used for non-modular devices. Furthermore, the same value MUST be used in this variable, pethMainPseGroupIndex, and pethNotificationControlGroupIndex to refer to a given box in a stack or module in the rack.
STR rlPethMainPseSwVersion	1.3.6.1.4.1.89.108.2.1.2	DisplayString	read-only	This variable identifies the MCU SW version.
STR rlPethMainPseHwVersion	1.3.6.1.4.1.89.108.2.1.3	DisplayString	read-only	This variable identifies the MCU HW version.
INT rlPethMainPseHwType	1.3.6.1.4.1.89.108.2.1.4	INTEGER	read-only	This variable identifies the MCU HW type (enhanced, plus, none).
INT rlPethMainPsePowerGuardBand	1.3.6.1.4.1.89.108.2.1.5	INTEGER	read-only	This variable identifies the guard band in [W] for not connecting additional ports.
rlPethPowerPseTable	1.3.6.1.4.1.89.108.3		not-accessible	The table listing additional read-write information for Power Over Ethernet.
rlPethPowerPseEntry	1.3.6.1.4.1.89.108.3.1		not-accessible	An entry in the rlPethPowerPseTable.
INT rlPethPowerPseGroupIndex	1.3.6.1.4.1.89.108.3.1.1	INTEGER	not-accessible	This variable uniquely identifies the group containing the port to which a power Ethernet PSE is connected. Group means box in the stack, module in a rack and the value 1 MUST be used for non-modular devices. Furthermore, the same value MUST be used in this variable, PethPowerPseGroupIndex, and pethNotificationControlGroupIndex to refer to a given box in a stack or module in the rack.
INT rlPethPowerPsePower	1.3.6.1.4.1.89.108.3.1.2	INTEGER	read-write	This variable identifies the maximum power in [W] supplied by PSE.
INT rlPethPowerPseRpsPower	1.3.6.1.4.1.89.108.3.1.3	INTEGER	read-write	This variable identifies the maximum power in [W] supplied by PSE + RPS.
INT rlPethPowerPsePowerManagementMode	1.3.6.1.4.1.89.108.3.1.4	INTEGER	read-write	This variable identifies power management mode.
INT rlPethPowerPsedisconnectMethod	1.3.6.1.4.1.89.108.3.1.5	INTEGER	read-write	This variable identifies disconnect method.
INT rlPethPowerPseTemperatureSensor	1.3.6.1.4.1.89.108.3.1.6	INTEGER	read-only	This variable identifies the pd temperature sensor.

RFC description

Monitors and controls Power over Ethernet (PoE) port status, power limits, and extended PoE features.

Start monitoring Marvell/RADLAN-based PoE-capable Ethernet switch, OEM PoE access switches (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.

Download RADLAN-POE-MIB