memTotalFree

OBS ✓
UCD-SNMP-MIB · .1.3.6.1.4.1.2021.4.11
Commands MIB view Table view

Object

scalar kBSNMPv2-SMIInteger32 
The total amount of memory free or available for use on
this host.  This value typically covers both real memory
and swap space or virtual memory.
Observium directly uses this object
This object is referenced by an Observium discovery or polling workflow.
Used in: Polling
Explore Observium network monitoring

Context

MIB
UCD-SNMP-MIB
OID
.1.3.6.1.4.1.2021.4.11
Type
scalar
Access
readonly
Status
current
Units
kB
Parent
memory

Net-SNMP examples

How SNMP and these commands work

Scalars have one instance, identified by the .0 suffix.

Read the scalar instance
/usr/bin/snmpget -v2c -c '<community>' -Pud -Ir -OQUv -m 'UCD-SNMP-MIB' -M '/opt/observium/mibs/net-snmp:/opt/observium/mibs/rfc' 'udp:<hostname>:161' 'UCD-SNMP-MIB::memTotalFree.0'
More examples
Translate to a numeric OID
/usr/bin/snmptranslate -Pud -Ir -On -m 'UCD-SNMP-MIB' -M '/opt/observium/mibs/net-snmp:/opt/observium/mibs/rfc' 'UCD-SNMP-MIB::memTotalFree'

Syntax

kBSNMPv2-SMIInteger32
Source
SNMPv2-SMIInteger32
Base type
Integer32

Values & Constraints

Type Constraints
range: -2147483648..2147483647