JUNIPER-COS-MIB :: jnxCosFcFabricPriority

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

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jnxCosFcFabricPriority

Module: JUNIPER-COS-MIB

OID (symbolic): JUNIPER-COS-MIB::jnxCosFcFabricPriority

OID (numeric): 1.3.6.1.4.1.2636.3.15.3.1.3

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: The fabric priority for packets belonging to the specified forwarding-class.

What is jnxCosFcFabricPriority?

Indicates whether packets of the forwarding class identified by the table's FcId index get low(0) or high(1) priority when crossing the switch fabric between line cards, separate from their output-queue scheduling priority. Admins check this to confirm latency-sensitive classes (e.g. voice/EF traffic) are set to high(1) fabric priority so they aren't held up behind bulk traffic inside the chassis.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2636.3.15.3.1.3
snmpwalk -v2c -c public <target> JUNIPER-COS-MIB::jnxCosFcFabricPriority

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2636.3.15.3.1.3.1
snmpget -v2c -c public <target> JUNIPER-COS-MIB::jnxCosFcFabricPriority.1

Start monitoring Juniper Networks router/switch, Junos (Class of Service infrastructure) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the JUNIPER-COS-MIB::jnxCosFcFabricPriority OID value, configure state conditions and alerts, and monitor any Juniper Networks router/switch, Junos (Class of Service infrastructure) from a single console.

OID Breakdown

Upper-level ancestors (8 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
1.3.6.1.4.1.2636juniperMIBJUNIPER-SMI
1.3.6.1.4.1.2636.3jnxMibsJUNIPER-SMI
Numeric OIDNameModule
1.3.6.1.4.1.2636.3.15jnxCosJUNIPER-COS-MIB
1.3.6.1.4.1.2636.3.15.3jnxCosFcIdTableJUNIPER-COS-MIB
1.3.6.1.4.1.2636.3.15.3.1jnxCosFcIdEntryJUNIPER-COS-MIB
1.3.6.1.4.1.2636.3.15.3.1.3jnxCosFcFabricPriorityJUNIPER-COS-MIB