Juniper-System-MIB :: juniSystemMemUtilPct

MIB Reference — IPNetwork Monitor · Updated September 21, 2026

All MIBs › Juniper-System-MIB › juniSystemMemUtilPct

juniSystemMemUtilPct

Module: Juniper-System-MIB

OID (symbolic): Juniper-System-MIB::juniSystemMemUtilPct

OID (numeric): 1.3.6.1.4.1.4874.2.2.2.1.1.3

Node type: OBJECT-TYPE

Type: Integer32

Access: read-only

Description: Percentage of memory utilization on the primary system processor. A value of -1 indicates the utilization is unknown.

What is juniSystemMemUtilPct?

This reports the percentage of memory in use on the router's primary system processor, or -1 if the utilization can't be determined. Operators monitor it to catch memory pressure before it affects system stability.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4874.2.2.2.1.1.3
snmpwalk -v2c -c public <target> Juniper-System-MIB::juniSystemMemUtilPct

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4874.2.2.2.1.1.3.1
snmpget -v2c -c public <target> Juniper-System-MIB::juniSystemMemUtilPct.1

Start monitoring Juniper E-series router, ERX/ES2, JUNOSe (system inventory/software/memory health) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the Juniper-System-MIB::juniSystemMemUtilPct OID value, configure state conditions and alerts, and monitor any Juniper E-series router, ERX/ES2, JUNOSe (system inventory/software/memory health) 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
1.3.6.1.4.1.4874juniperUniJuniper-UNI-SMI
1.3.6.1.4.1.4874.2juniperUniMibsJuniper-UNI-SMI
1.3.6.1.4.1.4874.2.2juniMibsJuniper-MIBs
1.3.6.1.4.1.4874.2.2.2juniSystemMIBJuniper-MIBs
Numeric OIDNameModule
1.3.6.1.4.1.4874.2.2.2.1juniSystemObjectsJuniper-System-MIB
1.3.6.1.4.1.4874.2.2.2.1.1juniSystemGeneralJuniper-System-MIB
1.3.6.1.4.1.4874.2.2.2.1.1.3juniSystemMemUtilPctJuniper-System-MIB