ERI-DNX-STM1-OC3-MIB :: optTUStatusLinkState

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsERI-DNX-STM1-OC3-MIBoptTUStatusLinkState

optTUStatusLinkState

Module: ERI-DNX-STM1-OC3-MIB

OID (symbolic): ERI-DNX-STM1-OC3-MIB::optTUStatusLinkState

OID (numeric): 1.3.6.1.4.1.644.2.4.2.7.2.1.1.3

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: Determines the current STM1/OC3 Tributary Unit status of the link. ok (0) - In Sync yel (2) - Yellow Alarm ais (8) - Sending All Ones lof (32) - Loss of Frame los (64) - Loss of Signal red (2048) - Red Alarm cfa (4096) - Carrier Frame Alignment oos (65535) - Out of Service txSlip (2097152) - Transmit Slip rxSlip (4194304) - Receive Slip sef (8388608) - Severely Errored Frames slip (6291456) - Transmit/Receive Slip underTest(1073741824) - Running Bit Error Test (BERT) errors (2147483647) - Multiple Errors displays raw bit field value

What is optTUStatusLinkState?

Current alarm/sync state of this Tributary Unit, e.g. ok (in sync), yellow alarm, AIS, loss of frame, or loss of signal, used to quickly spot which TU is failing.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.644.2.4.2.7.2.1.1.3
snmpwalk -v2c -c public <target> ERI-DNX-STM1-OC3-MIB::optTUStatusLinkState

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.644.2.4.2.7.2.1.1.3.1
snmpget -v2c -c public <target> ERI-DNX-STM1-OC3-MIB::optTUStatusLinkState.1

Start monitoring Eastern Research Inc. (ERI) DNX digital cross-connect/multiplexer (STM-1/OC-3 optical interface card) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ERI-DNX-STM1-OC3-MIB::optTUStatusLinkState OID value, configure state conditions and alerts, and monitor any Eastern Research Inc. (ERI) DNX digital cross-connect/multiplexer (STM-1/OC-3 optical interface card) from a single console.

OID Breakdown

Upper-level ancestors (10 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
1.3.6.1.4.1.644eriEnterpriseRootERI-ROOT-SMI
1.3.6.1.4.1.644.2eriProductsERI-ROOT-SMI
1.3.6.1.4.1.644.2.4dnxERI-DNX-SMC-MIB
1.3.6.1.4.1.644.2.4.2devicesERI-DNX-SMC-MIB
Numeric OIDNameModule
1.3.6.1.4.1.644.2.4.2.7dnxStm1Oc3ERI-DNX-STM1-OC3-MIB
1.3.6.1.4.1.644.2.4.2.7.2opticalDiagERI-DNX-STM1-OC3-MIB
1.3.6.1.4.1.644.2.4.2.7.2.1opticalTUStatusTableERI-DNX-STM1-OC3-MIB
1.3.6.1.4.1.644.2.4.2.7.2.1.1opticalTUStatusEntryERI-DNX-STM1-OC3-MIB
1.3.6.1.4.1.644.2.4.2.7.2.1.1.3optTUStatusLinkStateERI-DNX-STM1-OC3-MIB