CASCADE-MIB :: nodePrimarySyncRefOperationalState

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCASCADE-MIBnodePrimarySyncRefOperationalState

nodePrimarySyncRefOperationalState

Module: CASCADE-MIB

OID (symbolic): CASCADE-MIB::nodePrimarySyncRefOperationalState

OID (numeric): 1.3.6.1.4.1.277.1.3.86

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: The actual primary clock synchronization reference source.

What is nodePrimarySyncRefOperationalState?

This reports which clock source is actually being used as the primary synchronization reference right now, which may differ from the administratively requested source in nodePrimarySyncRefAdminState if that preferred source is unavailable. If nodePrimarySyncRefOperationalState reports internal(5) while nodePrimarySyncRefAdminState still requests externala(1), the switch has fallen back to its internal oscillator because the requested external reference is currently unavailable, a timing-accuracy risk worth investigating.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.277.1.3.86
snmpwalk -v2c -c public <target> CASCADE-MIB::nodePrimarySyncRefOperationalState

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.277.1.3.86.1
snmpget -v2c -c public <target> CASCADE-MIB::nodePrimarySyncRefOperationalState.1

Start monitoring Cascade Communications ATM/Frame Relay switches (legacy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CASCADE-MIB::nodePrimarySyncRefOperationalState OID value, configure state conditions and alerts, and monitor any Cascade Communications ATM/Frame Relay switches (legacy) 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
1.3.6.1.4.1.277cascadeCASCADE-MIB
1.3.6.1.4.1.277.1cascfrCASCADE-MIB
1.3.6.1.4.1.277.1.3nodeCASCADE-MIB
1.3.6.1.4.1.277.1.3.86nodePrimarySyncRefOperationalStateCASCADE-MIB