DLINK-3100-PHY-MIB

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Organization: DLINK-3100 Computer Communication Ltd.

Last Updated: 2002-09-30

Category: Vendor: D-Link

Description: Monitors physical layer (PHY) parameters including auto-negotiation, link status, and transceiver info on D-Link 3100 series switches.

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What Is DLINK-3100-PHY-MIB?

This is a private MIB for D-Link's 3100 series switches (built on the widely-used RADLAN/Marvell "RL" switch management software stack, evident from the "rl" object prefix) that defines objects for testing Layer 1 physical-layer interfaces, such as running cable/PHY diagnostic tests and retrieving their results. It exposes a request/response pair of tables: a "test set" table for initiating a PHY test by type, and a "test get" table for retrieving test status, numeric result, units, alarm indication, and timestamp of the last test. Its hardware status relevance is direct and specific: it is a hardware-level diagnostic tool for verifying physical port/cable health (e.g., cable-length or link-quality tests), with rlPhyTestGetAlarm flagging an abnormal condition and rlPhyTestGetStatus indicating whether the test completed successfully. It builds on the common RADLAN-derived private MIB conventions shared across multiple switch vendors' OEM products rather than an IETF standard. It is typically deployed on D-Link 3100 series managed switches where network technicians run on-demand PHY-layer diagnostics to troubleshoot a suspect port or cable run. Engineers can download the DLINK-3100-PHY-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in DLINK-3100-PHY-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 DES/DGS 3100 series managed switch

Monitoring Examples

A technician would set rlPhyTestSetType in rlPhyTestSetTable/rlPhyTestSetEntry to initiate a specific PHY test on a port, then poll rlPhyTestGetStatus in rlPhyTestGetTable/rlPhyTestGetEntry to see when the test completes, followed by rlPhyTestGetResult and rlPhyTestGetUnits to read the measured value (e.g., cable length or attenuation) and rlPhyTestGetTimeStamp to confirm test recency. If rlPhyTestGetAlarm is set, it flags an abnormal PHY condition on that port, pointing to a bad cable or faulty transceiver requiring physical inspection.

What Can Be Monitored

PHY test type initiated
PHY test completion status
PHY test result value and units
PHY alarm indication
test timestamp

Imported Objects

From DLINK-3100-MIB

rnd	MODULE-IDENTITY

From IF-MIB

ifIndex

OBJECT-TYPE

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

DisplayString
TEXTUAL-CONVENTION
TimeStamp

OIDs

OID symbolic	OID numeric	Type	Access	Description
rlPhy	1.3.6.1.4.1.171.10.94.89.89.90			The MIB module describes the private MIB for testing Layer1 interfaces supported by DLINK-3100's software and products.
rlPhyTest	1.3.6.1.4.1.171.10.94.89.89.90.1
rlPhyTestSetTable	1.3.6.1.4.1.171.10.94.89.89.90.1.1		not-accessible
rlPhyTestSetEntry	1.3.6.1.4.1.171.10.94.89.89.90.1.1.1		not-accessible	An entry containing objects for invoking tests on an interface.
RLP rlPhyTestSetType	1.3.6.1.4.1.171.10.94.89.89.90.1.1.1.1	RlPhyTestType	read-write	A control variable used to start operator initiated interface tests.1 indicates that no test has been initiated. Only operator initiated interface tests can be set to this variable.
rlPhyTestGetTable	1.3.6.1.4.1.171.10.94.89.89.90.1.2		not-accessible
rlPhyTestGetEntry	1.3.6.1.4.1.171.10.94.89.89.90.1.2.1		not-accessible	An entry containing results of tests on an interface.
RLP rlPhyTestGetType	1.3.6.1.4.1.171.10.94.89.89.90.1.2.1.1	RlPhyTestType	read-only	A control variable used to, 1 to indicate that this test can be done on the specified port, 2 to initiate the test whenever the user wishes
INT rlPhyTestGetStatus	1.3.6.1.4.1.171.10.94.89.89.90.1.2.1.2	INTEGER	read-only	This object contains the status of the most recently requested test for operator initiated tests or the value none(1) if no tests have been requested since the last reset. For non operator initiated tests the value is always none(1). Note that this facility provides no provision for saving the results of one test when starting another, as could be required if used by multiple managers concurrently.
INT rlPhyTestGetResult	1.3.6.1.4.1.171.10.94.89.89.90.1.2.1.3	INTEGER	read-only	This object holds the test result
INT rlPhyTestGetUnits	1.3.6.1.4.1.171.10.94.89.89.90.1.2.1.4	INTEGER	read-only	The test result unit of measure. The units can be standard unit or special units that are designed for special test. The alaskaPhyLength unit is design for the VCT diagnostic and its values are: less_than_50M(1), 50-80M(2), 80-110M(3), 110-140M(4), more_than_140M(5). The alaskaPhyStatus unit is design for the VCT diagnostic and its values are: 4_pair_cable(1), 2_pair_cable(2), no_cable(3), open_cable(4), short_cable(5), bad_cable(6), impedance_mismatch(7).
INT rlPhyTestGetAlarm	1.3.6.1.4.1.171.10.94.89.89.90.1.2.1.5	INTEGER	read-only	This object hold the Alarm for this Entry. only Test that have can have alarms use this field, other holds the Value notRelevant(1)
STR rlPhyTestGetTimeStamp	1.3.6.1.4.1.171.10.94.89.89.90.1.2.1.6	DisplayString	read-only	The time in string (formated DD-MMM-YYYY HH:MM:SS e.g 14-Apr-2002 10:33:31)

RFC description

D-Link physical layer interface testing MIB for cable diagnostics and transceiver parameter checks.

Start monitoring D-Link DES/DGS 3100 series switch (Layer 1/PHY diagnostics) 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-3100-PHY-MIB

What Is DLINK-3100-PHY-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description