FRX-MIB :: circuitDownReason

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › FRX-MIB › circuitDownReason

circuitDownReason

Module: FRX-MIB

OID (symbolic): FRX-MIB::circuitDownReason

OID (numeric): 1.3.6.1.4.1.177.3.4.2.1.21

Node type: OBJECT-TYPE

Type: DisplayString

Access: read-only

Description: This field is a description of why the virtual circuit is down.

What is circuitDownReason?

A human-readable description of why this virtual circuit is currently down, which an admin reads first when diagnosing a PVC that isn't passing traffic.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.177.3.4.2.1.21
snmpwalk -v2c -c public <target> FRX-MIB::circuitDownReason

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.177.3.4.2.1.21.1
snmpget -v2c -c public <target> FRX-MIB::circuitDownReason.1

Start monitoring Legacy frame relay switch/access node (Netrix/FastComm-style FRX platform) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the FRX-MIB::circuitDownReason OID value, configure state conditions and alerts, and monitor any Legacy frame relay switch/access node (Netrix/FastComm-style FRX platform) from a single console.

OID Breakdown

Upper-level ancestors (6 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
Numeric OIDNameModule
1.3.6.1.4.1.177netFRX-MIB
1.3.6.1.4.1.177.3frxFRX-MIB
1.3.6.1.4.1.177.3.4circuitFRX-MIB
1.3.6.1.4.1.177.3.4.2circuitStatusTableFRX-MIB
1.3.6.1.4.1.177.3.4.2.1circuitStatusEntryFRX-MIB
1.3.6.1.4.1.177.3.4.2.1.21circuitDownReasonFRX-MIB