ITOUCH-ISIS-MIB :: xIsisSysIDFieldLenMismatches

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › ITOUCH-ISIS-MIB › xIsisSysIDFieldLenMismatches

xIsisSysIDFieldLenMismatches

Module: ITOUCH-ISIS-MIB

OID (symbolic): ITOUCH-ISIS-MIB::xIsisSysIDFieldLenMismatches

OID (numeric): 1.3.6.1.4.1.33.26.1.1.1.26

Node type: OBJECT-TYPE

Type: Counter

Access: read-only

Description: Number of times a PDU is received with a different value for ID field length to that of the receiving system.

What is xIsisSysIDFieldLenMismatches?

Counter of PDUs received with a system ID field length different from this instance's own configured length. A nonzero, growing value signals an IS-IS ID-length misconfiguration on a neighboring router that needs correcting.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.33.26.1.1.1.26
snmpwalk -v2c -c public <target> ITOUCH-ISIS-MIB::xIsisSysIDFieldLenMismatches

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.33.26.1.1.1.26.1
snmpget -v2c -c public <target> ITOUCH-ISIS-MIB::xIsisSysIDFieldLenMismatches.1

Start monitoring iTouch Communications (Black Box) router (Integrated IS-IS) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ITOUCH-ISIS-MIB::xIsisSysIDFieldLenMismatches OID value, configure state conditions and alerts, and monitor any iTouch Communications (Black Box) router (Integrated IS-IS) from a single console.

OID Breakdown

Upper-level ancestors (7 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
1.3.6.1.4.1.33xyplexCMU-MIB
Numeric OIDNameModule
1.3.6.1.4.1.33.26xIsisITOUCH-ISIS-MIB
1.3.6.1.4.1.33.26.1xIsisSystemITOUCH-ISIS-MIB
1.3.6.1.4.1.33.26.1.1xIsisSysTableITOUCH-ISIS-MIB
1.3.6.1.4.1.33.26.1.1.1xIsisSysEntryITOUCH-ISIS-MIB
1.3.6.1.4.1.33.26.1.1.1.26xIsisSysIDFieldLenMismatchesITOUCH-ISIS-MIB