All MIBs › UCD-SNMP-MIB › memTotalReal
memTotalReal
Module: UCD-SNMP-MIB
OID (symbolic): UCD-SNMP-MIB::memTotalReal
OID (numeric): 1.3.6.1.4.1.2021.4.5
Node type: OBJECT-TYPE
Type: Integer32
Access: read-only
Description:
The total amount of real/physical memory installed on this host.
What is memTotalReal?
This OID displays the total physical memory (RAM) installed in the device, measured in kilobytes. It provides a baseline for understanding the device's capacity and helps detect hardware changes. A system administrator would check this value after a memory upgrade or when diagnosing why an application is running slowly despite adequate free memory.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2021.4.5 snmpwalk -v2c -c public <target> UCD-SNMP-MIB::memTotalReal
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2021.4.5.1 snmpget -v2c -c public <target> UCD-SNMP-MIB::memTotalReal.1
OID Breakdown
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | BIANCA-BRICK-PPP-MIB |
| 1.3.6 | dod | BIANCA-BRICK-PPP-MIB |
| 1.3.6.1 | internet | BIANCA-BRICK-PPP-MIB |
| 1.3.6.1.4 | private | BIANCA-BRICK-PPP-MIB |
| 1.3.6.1.4.1 | enterprises | ANIROOT-MIB |
| 1.3.6.1.4.1.2021 | ucdavis | UCD-SNMP-MIB |
| 1.3.6.1.4.1.2021.4 | memory | UCD-SNMP-MIB |
| 1.3.6.1.4.1.2021.4.5 | memTotalReal | UCD-SNMP-MIB |