All MIBs › TPLINK-DDMSTATUS-MIB › ddmStatusBiasCurrent
ddmStatusBiasCurrent
Module: TPLINK-DDMSTATUS-MIB
OID (symbolic): TPLINK-DDMSTATUS-MIB::ddmStatusBiasCurrent
OID (numeric): 1.3.6.1.4.1.11863.6.96.1.7.1.1.4
Node type: OBJECT-TYPE
Type: DisplayString
Access: read-only
Description: This object indicates the bias current of the port.
What is ddmStatusBiasCurrent?
This read-only string reports the laser bias current measured by the SFP transceiver's DDM sensor in this port. Admins monitor it because a rising bias current over time is a classic early warning sign of laser aging or impending SFP failure. A bias current that has been steadily climbing on one specific SFP would prompt an admin to plan a proactive replacement before it fails outright.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.11863.6.96.1.7.1.1.4 snmpwalk -v2c -c public <target> TPLINK-DDMSTATUS-MIB::ddmStatusBiasCurrent
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.11863.6.96.1.7.1.1.4.1 snmpget -v2c -c public <target> TPLINK-DDMSTATUS-MIB::ddmStatusBiasCurrent.1
Start monitoring TP-Link managed switch with SFP/SFP+ optical transceiver ports (transceiver temperature/voltage/power status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the TPLINK-DDMSTATUS-MIB::ddmStatusBiasCurrent OID value, configure state conditions and alerts, and monitor any TP-Link managed switch with SFP/SFP+ optical transceiver ports (transceiver temperature/voltage/power status) from a single console.
OID Breakdown
Upper-level ancestors (10 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.11863 | tplink | TPLINK-MIB |
| 1.3.6.1.4.1.11863.6 | tplinkMgmt | TPLINK-MIB |
| 1.3.6.1.4.1.11863.6.96 | tplinkDdmManageMIB | TPLINK-DDMMANAGE-MIB |
| 1.3.6.1.4.1.11863.6.96.1 | tplinkDdmManageMIBObjects | TPLINK-DDMMANAGE-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.11863.6.96.1.7 | ddmStatus | TPLINK-DDMSTATUS-MIB |
| 1.3.6.1.4.1.11863.6.96.1.7.1 | ddmStatusTable | TPLINK-DDMSTATUS-MIB |
| 1.3.6.1.4.1.11863.6.96.1.7.1.1 | ddmStatusEntry | TPLINK-DDMSTATUS-MIB |
| 1.3.6.1.4.1.11863.6.96.1.7.1.1.4 | ddmStatusBiasCurrent | TPLINK-DDMSTATUS-MIB |