ACMIB :: sysInfoRAMFreeKBytes

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsACMIBsysInfoRAMFreeKBytes

sysInfoRAMFreeKBytes

Module: ACMIB

OID (symbolic): ACMIB::sysInfoRAMFreeKBytes

OID (numeric): 1.3.6.1.4.1.1751.2.18.19.24

Node type: OBJECT-TYPE

Type: Integer32

Access: read-only

Description: Amount of RAM memory available for use in KB's.

What is sysInfoRAMFreeKBytes?

This OID reports the amount of RAM memory that is currently available for new tasks and buffers, measured in kilobytes. Network engineers track this to detect memory leaks or exhaustion that can cause the device to drop packets or crash. A value of 131072 means 128 MB of RAM is free and ready to use for processing tasks.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.1751.2.18.19.24
snmpwalk -v2c -c public <target> ACMIB::sysInfoRAMFreeKBytes

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.1751.2.18.19.24.1
snmpget -v2c -c public <target> ACMIB::sysInfoRAMFreeKBytes.1

Start monitoring Lucent/Nortel Access Concentrator (legacy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ACMIB::sysInfoRAMFreeKBytes OID value, configure state conditions and alerts, and monitor any Lucent/Nortel Access Concentrator (legacy) from a single console.

OID Breakdown

Upper-level ancestors (6 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
Numeric OIDNameModule
1.3.6.1.4.1.1751lucentACMIB
1.3.6.1.4.1.1751.2mibsACMIB
1.3.6.1.4.1.1751.2.18acMIBACMIB
1.3.6.1.4.1.1751.2.18.19sysInfoACMIB
1.3.6.1.4.1.1751.2.18.19.24sysInfoRAMFreeKBytesACMIB