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cmEthernetAccPortHistoryLBC
Module: CM-PERFORMANCE-MIB
OID (symbolic): CM-PERFORMANCE-MIB::cmEthernetAccPortHistoryLBC
OID (numeric): 1.3.6.1.4.1.2544.1.12.5.1.2.1.32
Node type: OBJECT-TYPE
Type: Integer32
Access: read-only
Description: Laser Bias Current (in mA) for the physical layer. This is applicable only if the media type for the Access Port is fiber.
What is cmEthernetAccPortHistoryLBC?
This metric records the laser bias current (in milliamps) for fiber optic transmission on an access port. The bias current indicates how hard the laser is working and serves as a health indicator for optical modules. Operators check this to detect laser aging or power supply issues before the interface fails.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.5.1.2.1.32 snmpwalk -v2c -c public <target> CM-PERFORMANCE-MIB::cmEthernetAccPortHistoryLBC
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.5.1.2.1.32.1 snmpget -v2c -c public <target> CM-PERFORMANCE-MIB::cmEthernetAccPortHistoryLBC.1
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OID Breakdown
Upper-level ancestors (9 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 |
| 1.3.6.1.4.1.2544 | advaMIB | ADVA-MIB |
| 1.3.6.1.4.1.2544.1 | products | ADVA-MIB |
| 1.3.6.1.4.1.2544.1.12 | fsp150cm | ADVA-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2544.1.12.5 | cmPerformanceMIB | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1 | cmPerfObjects | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1.2 | cmEthernetAccPortHistoryTable | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1.2.1 | cmEthernetAccPortHistoryEntry | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1.2.1.32 | cmEthernetAccPortHistoryLBC | CM-PERFORMANCE-MIB |