CISCO-UNIFIED-COMPUTING-FC-MIB :: cucsFcErrStatsSignalLosses

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCISCO-UNIFIED-COMPUTING-FC-MIBcucsFcErrStatsSignalLosses

cucsFcErrStatsSignalLosses

Module: CISCO-UNIFIED-COMPUTING-FC-MIB

OID (symbolic): CISCO-UNIFIED-COMPUTING-FC-MIB::cucsFcErrStatsSignalLosses

OID (numeric): 1.3.6.1.4.1.9.9.719.1.20.1.1.30

Node type: OBJECT-TYPE

Type: Unsigned64

Access: read-only

Description: Cisco UCS fc:ErrStats:signalLosses managed object property

What is cucsFcErrStatsSignalLosses?

This is the cumulative loss-of-signal events counter: counts how many times this port's receiver detected no optical or electrical signal at all on the line. On one specific FC port's current error-statistics object, this is the lifetime tally, so this almost always means a physically absent link — an unplugged cable, a dead transceiver, or a powered-off device on the other end — rather than a data-quality issue. For example, a signal-loss count of 3 lines up exactly with three occasions a server was powered down for maintenance without first disabling the port.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.719.1.20.1.1.30
snmpwalk -v2c -c public <target> CISCO-UNIFIED-COMPUTING-FC-MIB::cucsFcErrStatsSignalLosses

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.719.1.20.1.1.30.1
snmpget -v2c -c public <target> CISCO-UNIFIED-COMPUTING-FC-MIB::cucsFcErrStatsSignalLosses.1

Start monitoring Cisco UCS Fabric Interconnect (Fibre Channel) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CISCO-UNIFIED-COMPUTING-FC-MIB::cucsFcErrStatsSignalLosses OID value, configure state conditions and alerts, and monitor any Cisco UCS Fabric Interconnect (Fibre Channel) 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
1.3.6.1.4.1.9.9.719.1.20cucsFcObjectsCISCO-UNIFIED-COMPUTING-FC-MIB
1.3.6.1.4.1.9.9.719.1.20.1cucsFcErrStatsTableCISCO-UNIFIED-COMPUTING-FC-MIB
1.3.6.1.4.1.9.9.719.1.20.1.1cucsFcErrStatsEntryCISCO-UNIFIED-COMPUTING-FC-MIB
1.3.6.1.4.1.9.9.719.1.20.1.1.30cucsFcErrStatsSignalLossesCISCO-UNIFIED-COMPUTING-FC-MIB