All MIBs › UCD-SNMP-MIB › memTotalFreeX
memTotalFreeX
Module: UCD-SNMP-MIB
OID (symbolic): UCD-SNMP-MIB::memTotalFreeX
OID (numeric): 1.3.6.1.4.1.2021.4.22
Node type: OBJECT-TYPE
Type: CounterBasedGauge64
Access: read-only
Description: 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.
What is memTotalFreeX?
This OID reports the total amount of memory free or available for use on this host, in kilobytes, typically covering both real memory and swap/virtual memory. An admin uses it as an overall free-memory figure to judge whether the system has headroom to start new applications.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2021.4.22 snmpwalk -v2c -c public <target> UCD-SNMP-MIB::memTotalFreeX
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2021.4.22.1 snmpget -v2c -c public <target> UCD-SNMP-MIB::memTotalFreeX.1
Start monitoring Unix/Linux servers running the Net-SNMP (net-snmp/snmpd) agent (CPU/memory/disk/process-table status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the UCD-SNMP-MIB::memTotalFreeX OID value, configure state conditions and alerts, and monitor any Unix/Linux servers running the Net-SNMP (net-snmp/snmpd) agent (CPU/memory/disk/process-table status) from a single console.
OID Breakdown
Upper-level ancestors (6 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2021 | ucdavis | UCD-SNMP-MIB |
| 1.3.6.1.4.1.2021.4 | memory | UCD-SNMP-MIB |
| 1.3.6.1.4.1.2021.4.22 | memTotalFreeX | UCD-SNMP-MIB |