Unisphere-Data-QoS-MIB :: usdQosTrafficClassIsReferencedByGroup

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsUnisphere-Data-QoS-MIBusdQosTrafficClassIsReferencedByGroup

usdQosTrafficClassIsReferencedByGroup

Module: Unisphere-Data-QoS-MIB

OID (symbolic): Unisphere-Data-QoS-MIB::usdQosTrafficClassIsReferencedByGroup

OID (numeric): 1.3.6.1.4.1.4874.2.2.57.1.3.2.1.8

Node type: OBJECT-TYPE

Type: TruthValue

Access: read-only

Description: When true, the traffic class is referenced by a traffic class group.

What is usdQosTrafficClassIsReferencedByGroup?

Reports whether this traffic class is currently referenced by a traffic class group. An admin trying to delete a traffic class checks this first, since a referenced class typically can't be removed until it's unlinked from the group using it.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4874.2.2.57.1.3.2.1.8
snmpwalk -v2c -c public <target> Unisphere-Data-QoS-MIB::usdQosTrafficClassIsReferencedByGroup

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4874.2.2.57.1.3.2.1.8.1
snmpget -v2c -c public <target> Unisphere-Data-QoS-MIB::usdQosTrafficClassIsReferencedByGroup.1

Start monitoring Unisphere Networks (Juniper E-series/ERX) routing switches (hierarchical QoS traffic-class/queue/scheduler config status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the Unisphere-Data-QoS-MIB::usdQosTrafficClassIsReferencedByGroup OID value, configure state conditions and alerts, and monitor any Unisphere Networks (Juniper E-series/ERX) routing switches (hierarchical QoS traffic-class/queue/scheduler config status) from a single console.

OID Breakdown

Upper-level ancestors (14 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
1.3.6.1.4.1.4874juniperUniJuniper-UNI-SMI
1.3.6.1.4.1.4874.2juniperUniMibsJuniper-UNI-SMI
1.3.6.1.4.1.4874.2.2juniMibsJuniper-MIBs
1.3.6.1.4.1.4874.2.2.57juniQosMIBJuniper-MIBs
1.3.6.1.4.1.4874.2.2.57.1juniQosObjectsJuniper-QoS-MIB
1.3.6.1.4.1.4874.2.2.57.1.3juniQosTrafficClassListJuniper-QoS-MIB
1.3.6.1.4.1.4874.2.2.57.1.3.2juniQosTrafficClassTableJuniper-QoS-MIB
1.3.6.1.4.1.4874.2.2.57.1.3.2.1juniQosTrafficClassEntryJuniper-QoS-MIB
Numeric OIDNameModule
1.3.6.1.4.1.4874.2.2.57.1.3.2.1.8usdQosTrafficClassIsReferencedByGroupUnisphere-Data-QoS-MIB