USR-FR-EXT-MIB :: usrfrExtErrLMIInvSeqNum

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › USR-FR-EXT-MIB › usrfrExtErrLMIInvSeqNum

usrfrExtErrLMIInvSeqNum

Module: USR-FR-EXT-MIB

OID (symbolic): USR-FR-EXT-MIB::usrfrExtErrLMIInvSeqNum

OID (numeric): 1.3.6.1.4.1.429.4.64.6.1.28

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: Number of LMI frames with invalid Sequence Number field received on this DLL.

What is usrfrExtErrLMIInvSeqNum?

Counts LMI frames received on this interface with an invalid Sequence Number field, which can indicate the router and switch have lost synchronization on the LMI keepalive sequence.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.429.4.64.6.1.28
snmpwalk -v2c -c public <target> USR-FR-EXT-MIB::usrfrExtErrLMIInvSeqNum

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.429.4.64.6.1.28.1
snmpget -v2c -c public <target> USR-FR-EXT-MIB::usrfrExtErrLMIInvSeqNum.1

Start monitoring CommWorks/3Com Frame Relay access/DTE equipment (PTMP group-membership config status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the USR-FR-EXT-MIB::usrfrExtErrLMIInvSeqNum OID value, configure state conditions and alerts, and monitor any CommWorks/3Com Frame Relay access/DTE equipment (PTMP group-membership config status) 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
1.3.6.1.4.1.429.4.64usrFRExtUSR-DEFINITIONS-MIB
Numeric OIDNameModule
1.3.6.1.4.1.429.4.64.6usrfrExtErrTableUSR-FR-EXT-MIB
1.3.6.1.4.1.429.4.64.6.1usrfrExtErrEntryUSR-FR-EXT-MIB
1.3.6.1.4.1.429.4.64.6.1.28usrfrExtErrLMIInvSeqNumUSR-FR-EXT-MIB