Unisphere-Data-ATM-MIB :: usdAtmPvcStatsInPacketUnknownProtocol

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › Unisphere-Data-ATM-MIB › usdAtmPvcStatsInPacketUnknownProtocol

usdAtmPvcStatsInPacketUnknownProtocol

Module: Unisphere-Data-ATM-MIB

OID (symbolic): Unisphere-Data-ATM-MIB::usdAtmPvcStatsInPacketUnknownProtocol

OID (numeric): 1.3.6.1.4.1.4874.2.2.8.1.1.3.1.18

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: Received packets that are discarded because the interface can not discern or is not configured to support this protocol.

What is usdAtmPvcStatsInPacketUnknownProtocol?

Read-only counter of packets received on this PVC that were discarded because the interface couldn't recognize, or wasn't configured for, the encapsulated protocol. A non-zero count often signals an encapsulation-type (e.g. VC-mux vs LLC) mismatch with the far end.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4874.2.2.8.1.1.3.1.18
snmpwalk -v2c -c public <target> Unisphere-Data-ATM-MIB::usdAtmPvcStatsInPacketUnknownProtocol

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4874.2.2.8.1.1.3.1.18.1
snmpget -v2c -c public <target> Unisphere-Data-ATM-MIB::usdAtmPvcStatsInPacketUnknownProtocol.1

Start monitoring Unisphere ERX edge router, Juniper ERX edge router (ATM interface/ILMI provisioning status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the Unisphere-Data-ATM-MIB::usdAtmPvcStatsInPacketUnknownProtocol OID value, configure state conditions and alerts, and monitor any Unisphere ERX edge router, Juniper ERX edge router (ATM interface/ILMI provisioning 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
1.3.6.1.4.1.4874.2.2.8juniAtmMIBJuniper-MIBs
1.3.6.1.4.1.4874.2.2.8.1juniAtmObjectsJuniper-UNI-ATM-MIB
1.3.6.1.4.1.4874.2.2.8.1.1juniAtmIfLayerJuniper-UNI-ATM-MIB
1.3.6.1.4.1.4874.2.2.8.1.1.3juniAtmPvcStatisticsTableJuniper-UNI-ATM-MIB
1.3.6.1.4.1.4874.2.2.8.1.1.3.1juniAtmPvcStatisticsEntryJuniper-UNI-ATM-MIB
Numeric OIDNameModule
1.3.6.1.4.1.4874.2.2.8.1.1.3.1.18usdAtmPvcStatsInPacketUnknownProtocolUnisphere-Data-ATM-MIB