ATT-CNM-SMDS-MIB :: attCNMsmdsMCDUsExceededAtIngressCounts

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › ATT-CNM-SMDS-MIB › attCNMsmdsMCDUsExceededAtIngressCounts

attCNMsmdsMCDUsExceededAtIngressCounts

Module: ATT-CNM-SMDS-MIB

OID (symbolic): ATT-CNM-SMDS-MIB::attCNMsmdsMCDUsExceededAtIngressCounts

OID (numeric): 1.3.6.1.4.1.74.2.15.6.7.1.6

Node type: OBJECT-TYPE

Type: Gauge

Access: read-only

Description: The counter associated with the number of L3 PDUs that were discarded, during the specified measurement interval, because the MCDU was exceeded in the CPE to SMDS network direction.

What is attCNMsmdsMCDUsExceededAtIngressCounts?

Counts how many Layer 3 PDUs were discarded during this interval because the maximum concurrent data units, attCNMsmdsMCDUsIn, was exceeded in the direction from customer equipment into the SMDS network.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.74.2.15.6.7.1.6
snmpwalk -v2c -c public <target> ATT-CNM-SMDS-MIB::attCNMsmdsMCDUsExceededAtIngressCounts

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.74.2.15.6.7.1.6.1
snmpget -v2c -c public <target> ATT-CNM-SMDS-MIB::attCNMsmdsMCDUsExceededAtIngressCounts.1

Start monitoring AT&T Customer Network Management (CNM) SMDS access equipment (legacy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ATT-CNM-SMDS-MIB::attCNMsmdsMCDUsExceededAtIngressCounts OID value, configure state conditions and alerts, and monitor any AT&T Customer Network Management (CNM) SMDS access equipment (legacy) 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
1.3.6.1.4.1.74att_2ATT-CNM-DS1-MIB
1.3.6.1.4.1.74.2att_mgmtATT-CNM-DS1-MIB
1.3.6.1.4.1.74.2.15att_cnmATT-CNM-DS1-MIB
Numeric OIDNameModule
1.3.6.1.4.1.74.2.15.6att_cnm_smdsATT-CNM-SMDS-MIB
1.3.6.1.4.1.74.2.15.6.7attCNMsmdsDisagreeTableATT-CNM-SMDS-MIB
1.3.6.1.4.1.74.2.15.6.7.1attCNMsmdsDisagreeEntryATT-CNM-SMDS-MIB
1.3.6.1.4.1.74.2.15.6.7.1.6attCNMsmdsMCDUsExceededAtIngressCountsATT-CNM-SMDS-MIB