Juniper-System-MIB :: juniSystemMemCapacity

MIB Reference — IPNetwork Monitor · Updated September 21, 2026

All MIBs › Juniper-System-MIB › juniSystemMemCapacity

juniSystemMemCapacity

Module: Juniper-System-MIB

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

OID (numeric): 1.3.6.1.4.1.4874.2.2.2.1.1.4

Node type: OBJECT-TYPE

Type: Integer32

Access: read-only

Description: The total memory capacity in bytes of the primary system processor. If the memory capacity is greater than 2147483647, a -1 value is returned, and the actual memory capacity (in number of bytes divided by 1024) is returned in juniSystemMemKBytesCapacity.

What is juniSystemMemCapacity?

This reports the total memory capacity, in bytes, of the primary system processor, returning -1 when the true capacity exceeds what a 32-bit signed value can hold (in which case juniSystemMemKBytesCapacity carries the real figure). It gives operators the denominator needed to interpret juniSystemMemUtilPct in absolute terms.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4874.2.2.2.1.1.4
snmpwalk -v2c -c public <target> Juniper-System-MIB::juniSystemMemCapacity

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4874.2.2.2.1.1.4.1
snmpget -v2c -c public <target> Juniper-System-MIB::juniSystemMemCapacity.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::juniSystemMemCapacity 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
1.3.6.1.4.1.4874.2.2.2.1.1.4juniSystemMemCapacityJuniper-System-MIB