All MIBs › TPLINK-DDMVOLTHRESHOLD-MIB
Organization: TPLINK
Last Updated: 2009-08-27
Category: Optical Transceiver Diagnostics
Description:
Manages TP-Link switch DDM optical transceiver supply voltage alarm and warning threshold configuration.
Imported Objects
From RFC1213-MIB
| ifIndex |
From SNMPv2-SMI
| MODULE-IDENTITY | |
| OBJECT-TYPE |
From SNMPv2-TC
| DisplayString |
From TPLINK-DDMMANAGE-MIB
| tplinkDdmManageMIBObjects | OBJECT-IDENTITY |
What Is TPLINK-DDMVOLTHRESHOLD-MIB?
TPLINK-DDMVOLTHRESHOLD-MIB is a vendor-specific TP-Link MIB for configuring Digital Diagnostic Monitoring (DDM) supply voltage alarm and warning thresholds on optical transceivers (SFP/SFP+ modules) installed in TP-Link switches. It exposes threshold configuration objects rather than live measurement counters, since real-time optical voltage readings are typically reported through a companion DDM status MIB. It supports hardware health monitoring indirectly: by setting appropriate thresholds here, the device can raise alarms or traps when a transceiver's supply voltage drifts out of tolerance, which is an early indicator of a failing optical module or a power delivery problem. It depends on a companion DDM monitoring MIB (typically covering temperature, voltage, bias current, and optical power readings) for the actual measured values compared against these thresholds. It is deployed on TP-Link managed switches equipped with SFP/SFP+ optical ports in enterprise or SMB network environments. Engineers can download the TPLINK-DDMVOLTHRESHOLD-MIB file directly to load it into their MIB browser.
IPNetwork Monitor allows you to monitor SNMP objects defined in TPLINK-DDMVOLTHRESHOLD-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.
What Can Be Monitored
- DDM voltage alarm threshold configuration
- DDM voltage warning threshold configuration
- per-port optical transceiver voltage threshold settings
Supported Devices
- TP-Link managed switch with SFP/SFP+ optical ports
Monitoring Examples
No object names were provided in sample_objects for this module, but based on its module description (config of DDM voltage threshold), a realistic scenario is an admin setting per-port high/low voltage alarm and warning thresholds and then relying on a companion DDM status or trap MIB to be notified when a transceiver's measured supply voltage crosses one of these configured limits, flagging a degrading optical module's power regulator before the link fails outright.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| ddmVolThreshold | 1.3.6.1.4.1.11863.6.96.1.3 | The config of DDM voltage threshold. | ||
| ddmVolThresholdTable | 1.3.6.1.4.1.11863.6.96.1.3.1 | not-accessible | A table that is used to configure the DDM Voltage Threshold for specific ports on the Switch. | |
| ddmVolThresholdEntry | 1.3.6.1.4.1.11863.6.96.1.3.1.1 | not-accessible | A list of information for every port. | |
| STR ddmVolThresholdPort | 1.3.6.1.4.1.11863.6.96.1.3.1.1.1 | DisplayString | read-only | This object indicates the port number. |
| OCT ddmVolThresholdHighAlarm | 1.3.6.1.4.1.11863.6.96.1.3.1.1.2 | OCTET STRING | read-write | This object indicates the highest threshold for the alarm. |
| OCT ddmVolThresholdLowAlarm | 1.3.6.1.4.1.11863.6.96.1.3.1.1.3 | OCTET STRING | read-write | This object indicates the lowest threshold for the alarm. |
| OCT ddmVolThresholdHighWarn | 1.3.6.1.4.1.11863.6.96.1.3.1.1.4 | OCTET STRING | read-write | This object indicates the highest threshold for the warning. |
| OCT ddmVolThresholdLowWarn | 1.3.6.1.4.1.11863.6.96.1.3.1.1.5 | OCTET STRING | read-write | This object indicates the lowest threshold for the warning. |
| OCT ddmVolThresholdPortLAG | 1.3.6.1.4.1.11863.6.96.1.3.1.1.6 | OCTET STRING | read-only | This object indicates the lag number of the port. |
RFC description
TP-Link proprietary MIB for configuring Digital Diagnostic Monitoring (DDM) voltage threshold alarms and warnings on SFP transceiver ports in TP-Link network switches.
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