All MIBs › TPLINK-DDMMANAGE-MIB
Organization: TPLINK
Last Updated: 2009-08-27
Category: Optical Transceiver Diagnostics
Description:
Covers enabling and configuring DDM (digital diagnostic monitoring) of optical transceivers on TP-Link switches.
Imported Objects
From RFC1213-MIB
| ifIndex |
From SNMPv2-SMI
| MODULE-IDENTITY | |
| OBJECT-TYPE |
From SNMPv2-TC
| DisplayString |
From TPLINK-MIB
| tplinkMgmt | OBJECT-IDENTITY |
What Is TPLINK-DDMMANAGE-MIB?
TPLINK-DDMMANAGE-MIB is a vendor-private MIB from TP-Link that governs Digital Diagnostic Monitoring (DDM) functionality on switches equipped with SFP/SFP+ optical transceivers. It exposes configuration objects letting an operator enable or disable DDM monitoring per port and set alarm/warning behavior for the installed optical modules. Anyone examining the TPLINK-DDMMANAGE-MIB MIB will find it structured around a handful of per-port enable/threshold-configuration objects rather than a large table of live sensor readings. Its principal monitoring value is hardware health surveillance of pluggable optics - transceiver temperature, supply voltage, bias current, and optical transmit/receive power thresholds are the kinds of parameters this feature family governs, though this particular module concentrates on the management/enable switches rather than the raw readings themselves. It commonly complements standards-based transceiver MIBs (such as SFF/DDM related IETF work or ENTITY-MIB) that expose the actual sensor readings. It is deployed on TP-Link managed switches in environments using fiber uplinks where optical link degradation needs to be caught before it causes an outage.
IPNetwork Monitor allows you to monitor SNMP objects defined in TPLINK-DDMMANAGE-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 feature enable/disable state
- per-port DDM configuration
- optical transceiver alarm configuration
Supported Devices
- TP-Link switch product line with SFP/SFP+ transceivers, entire range (DDM enable/threshold-management config)
Monitoring Examples
An administrator would enable DDM management globally or per-port and then rely on associated read tables to watch for transceiver faults; this module itself centers on enabling/disabling the feature rather than exposing the sensor values. A common scenario is toggling DDM on a newly inserted SFP so its temperature and power-level alarms become active. If DDM is left disabled, silent optical degradation on a fiber uplink could go undetected until the link fails.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| tplinkDdmManageMIB | 1.3.6.1.4.1.11863.6.96 | Private MIB for DDM configuration. | ||
| tplinkDdmManageMIBObjects | 1.3.6.1.4.1.11863.6.96.1 | |||
| tplinkDdmManageNotifications | 1.3.6.1.4.1.11863.6.96.2 | |||
| NTF tempExceedThreshold | 1.3.6.1.4.1.11863.6.96.2.1 | A tempExceedThreshold notification is sent when the value of temperature exceeds the threshold. | ||
| NTF volExceedThreshold | 1.3.6.1.4.1.11863.6.96.2.2 | A volExceedThreshold notification is sent when the value of voltage exceeds the threshold. | ||
| NTF biasCurExceedThreshold | 1.3.6.1.4.1.11863.6.96.2.3 | A biasCurExceedThreshold notification is sent when the value of bias current exceeds the threshold. | ||
| NTF txPowExceedThreshold | 1.3.6.1.4.1.11863.6.96.2.4 | A txPowExceedThreshold notification is sent when the value of Tx power exceeds the threshold. | ||
| NTF rxPowExceedThreshold | 1.3.6.1.4.1.11863.6.96.2.5 | A rxPowExceedThreshold notification is sent when the value of Rx power exceeds the threshold. |
RFC description
Manages TP-Link switch DDM optical transceiver monitoring configuration and feature enablement.
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