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cmEthernetNetPortStatsLBC
Module: CM-PERFORMANCE-MIB
OID (symbolic): CM-PERFORMANCE-MIB::cmEthernetNetPortStatsLBC
OID (numeric): 1.3.6.1.4.1.2544.1.12.5.1.5.1.32
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 Network Port is fiber.
What is cmEthernetNetPortStatsLBC?
This Integer32 value is the laser bias current of the port in mA, applicable only when the port media is fiber. An admin watches it because laser bias current climbing over time as an optical transmitter ages is a classic leading indicator that the module is near end of life. Seeing cmEthernetNetPortStatsLBC on network (uplink) port 18 creep up to 32 mA at the current interval, well above its value from a few weeks earlier, tells an operator to proactively order a replacement optic.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.5.1.5.1.32 snmpwalk -v2c -c public <target> CM-PERFORMANCE-MIB::cmEthernetNetPortStatsLBC
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.5.1.5.1.32.1 snmpget -v2c -c public <target> CM-PERFORMANCE-MIB::cmEthernetNetPortStatsLBC.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 |
| 1.3.6.1.4.1.2544.1.12.5.1.5 | cmEthernetNetPortStatsTable | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1.5.1 | cmEthernetNetPortStatsEntry | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1.5.1.32 | cmEthernetNetPortStatsLBC | CM-PERFORMANCE-MIB |