All MIBs › CM-FACILITY-MIB › cmEthernetNetPortSfpSerialNumber
cmEthernetNetPortSfpSerialNumber
Module: CM-FACILITY-MIB
OID (symbolic): CM-FACILITY-MIB::cmEthernetNetPortSfpSerialNumber
OID (numeric): 1.3.6.1.4.1.2544.1.12.4.1.7.1.15
Node type: OBJECT-TYPE
Type: DisplayString
Access: read-only
Description: This object provides the serial number of the SFP. This is applicable when cmEthernetNetPortMediaType is fiber or coppersfp.
What is cmEthernetNetPortSfpSerialNumber?
This read-only DisplayString (up to 32 characters) reports the serial number of the SFP module installed in an Ethernet Network Port, applicable when the media type is fiber or coppersfp. Admins rely on it to track individual transceivers for warranty claims or failure trending, since the serial number uniquely identifies the specific unit rather than just its model. For example, when a vendor issues a recall for a batch of SFPs by serial-number range, an admin would poll cmEthernetNetPortSfpSerialNumber across the fleet to identify which installed units are affected.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.4.1.7.1.15 snmpwalk -v2c -c public <target> CM-FACILITY-MIB::cmEthernetNetPortSfpSerialNumber
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.4.1.7.1.15.1 snmpget -v2c -c public <target> CM-FACILITY-MIB::cmEthernetNetPortSfpSerialNumber.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 |
|---|---|---|
| 1.3.6.1.4.1.2544.1.12.4 | cmFacilityMIB | CM-FACILITY-MIB |
| 1.3.6.1.4.1.2544.1.12.4.1 | cmFacilityObjects | CM-FACILITY-MIB |
| 1.3.6.1.4.1.2544.1.12.4.1.7 | cmEthernetNetPortTable | CM-FACILITY-MIB |
| 1.3.6.1.4.1.2544.1.12.4.1.7.1 | cmEthernetNetPortEntry | CM-FACILITY-MIB |
| 1.3.6.1.4.1.2544.1.12.4.1.7.1.15 | cmEthernetNetPortSfpSerialNumber | CM-FACILITY-MIB |