CISCO-UNIFIED-COMPUTING-FIRMWARE-MIB :: cucsFirmwareBootUnitPrevVersion

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCISCO-UNIFIED-COMPUTING-FIRMWARE-MIBcucsFirmwareBootUnitPrevVersion

cucsFirmwareBootUnitPrevVersion

Module: CISCO-UNIFIED-COMPUTING-FIRMWARE-MIB

OID (symbolic): CISCO-UNIFIED-COMPUTING-FIRMWARE-MIB::cucsFirmwareBootUnitPrevVersion

OID (numeric): 1.3.6.1.4.1.9.9.719.1.22.2.1.8

Node type: OBJECT-TYPE

Type: SnmpAdminString

Access: read-only

Description: Cisco UCS firmware:BootUnit:prevVersion managed object property

What is cucsFirmwareBootUnitPrevVersion?

This records the firmware version that was running on this component immediately before its most recent activation completed. An admin checks this after an update to confirm what the component is actually falling back to if a rollback is triggered, since UCS keeps this as the last-known-good reference rather than requiring the admin to remember it. It might show 4.2(3g) as the prior BIOS build on a blade that was just activated to 4.3(2b).

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.719.1.22.2.1.8
snmpwalk -v2c -c public <target> CISCO-UNIFIED-COMPUTING-FIRMWARE-MIB::cucsFirmwareBootUnitPrevVersion

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.719.1.22.2.1.8.1
snmpget -v2c -c public <target> CISCO-UNIFIED-COMPUTING-FIRMWARE-MIB::cucsFirmwareBootUnitPrevVersion.1

Start monitoring Cisco UCS blade server / fabric interconnect / chassis (firmware) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CISCO-UNIFIED-COMPUTING-FIRMWARE-MIB::cucsFirmwareBootUnitPrevVersion OID value, configure state conditions and alerts, and monitor any Cisco UCS blade server / fabric interconnect / chassis (firmware) from a single console.

OID Breakdown

Upper-level ancestors (10 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.9ciscoCAT2600-MIB
1.3.6.1.4.1.9.9ciscoMgmtCISCO-SMI
1.3.6.1.4.1.9.9.719ciscoUnifiedComputingMIBCISCO-UNIFIED-COMPUTING-MIB
1.3.6.1.4.1.9.9.719.1ciscoUnifiedComputingMIBObjectsCISCO-UNIFIED-COMPUTING-MIB
Numeric OIDNameModule
1.3.6.1.4.1.9.9.719.1.22cucsFirmwareObjectsCISCO-UNIFIED-COMPUTING-FIRMWARE-MIB
1.3.6.1.4.1.9.9.719.1.22.2cucsFirmwareBootUnitTableCISCO-UNIFIED-COMPUTING-FIRMWARE-MIB
1.3.6.1.4.1.9.9.719.1.22.2.1cucsFirmwareBootUnitEntryCISCO-UNIFIED-COMPUTING-FIRMWARE-MIB
1.3.6.1.4.1.9.9.719.1.22.2.1.8cucsFirmwareBootUnitPrevVersionCISCO-UNIFIED-COMPUTING-FIRMWARE-MIB