USR-FCNI-MIB :: usrFCNIHeartbeatCRCChange

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › USR-FCNI-MIB › usrFCNIHeartbeatCRCChange

usrFCNIHeartbeatCRCChange

Module: USR-FCNI-MIB

OID (symbolic): USR-FCNI-MIB::usrFCNIHeartbeatCRCChange

OID (numeric): 1.3.6.1.4.1.429.4.85.5.8

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: Total number of Heartbeat Acknowledgements with CRCs that don't match PDSN's CRC calculation.

What is usrFCNIHeartbeatCRCChange?

Total number of Heartbeat Acknowledgements received whose CRC doesn't match what the PDSN calculated. A nonzero count suggests message corruption or a CRC-algorithm mismatch with the FACN.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.429.4.85.5.8
snmpwalk -v2c -c public <target> USR-FCNI-MIB::usrFCNIHeartbeatCRCChange

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.429.4.85.5.8.1
snmpget -v2c -c public <target> USR-FCNI-MIB::usrFCNIHeartbeatCRCChange.1

Start monitoring CommWorks/3Com carrier gateways with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the USR-FCNI-MIB::usrFCNIHeartbeatCRCChange OID value, configure state conditions and alerts, and monitor any CommWorks/3Com carrier gateways from a single console.

OID Breakdown

Upper-level ancestors (9 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
1.3.6.1.4.1.429usrANIC-MIB
1.3.6.1.4.1.429.4commonHDR2-MIB
1.3.6.1.4.1.429.4.85usrFCNIUSR-DEFINITIONS-MIB
Numeric OIDNameModule
1.3.6.1.4.1.429.4.85.5usrFCNIHeartbeatStatsUSR-FCNI-MIB
1.3.6.1.4.1.429.4.85.5.8usrFCNIHeartbeatCRCChangeUSR-FCNI-MIB