ITOUCH-ISIS-MIB :: xIsisCircISInv9542PDUs

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

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xIsisCircISInv9542PDUs

Module: ITOUCH-ISIS-MIB

OID (symbolic): ITOUCH-ISIS-MIB::xIsisCircISInv9542PDUs

OID (numeric): 1.3.6.1.4.1.33.26.2.2.1.10

Node type: OBJECT-TYPE

Type: Counter

Access: read-only

Description: Counter of invalid 9542 PDUs received. This is the number of ISO 9452 PDUs received which are discarded as a result of the PDU Header Error Detection or Protocol Error Processing Functions specified in ISO 9542.

What is xIsisCircISInv9542PDUs?

Counter of invalid ISO 9542 (ES-IS) PDUs received on this circuit, discarded due to header error detection or protocol error processing per ISO 9542. A growing count suggests malformed ES-IS traffic or an interoperability problem on the segment.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.33.26.2.2.1.10
snmpwalk -v2c -c public <target> ITOUCH-ISIS-MIB::xIsisCircISInv9542PDUs

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.33.26.2.2.1.10.1
snmpget -v2c -c public <target> ITOUCH-ISIS-MIB::xIsisCircISInv9542PDUs.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::xIsisCircISInv9542PDUs 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
1.3.6.1.4.1.33.26.2xIsisCircITOUCH-ISIS-MIB
1.3.6.1.4.1.33.26.2.2xIsisCircISTableITOUCH-ISIS-MIB
1.3.6.1.4.1.33.26.2.2.1xIsisCircISEntryITOUCH-ISIS-MIB
1.3.6.1.4.1.33.26.2.2.1.10xIsisCircISInv9542PDUsITOUCH-ISIS-MIB