UCD-SNMP-MIB :: memShared

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsUCD-SNMP-MIBmemShared

memShared

Module: UCD-SNMP-MIB

OID (symbolic): UCD-SNMP-MIB::memShared

OID (numeric): 1.3.6.1.4.1.2021.4.13

Node type: OBJECT-TYPE

Type: Integer32

Access: read-only

Description: The total amount of real or virtual memory currently allocated for use as shared memory.

This object will not be implemented on hosts where the underlying operating system does not explicitly identify memory as specifically reserved for this purpose.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2021.4.13
snmpwalk -v2c -c public <target> UCD-SNMP-MIB::memShared

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2021.4.13.1
snmpget -v2c -c public <target> UCD-SNMP-MIB::memShared.1

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> memShared.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::memShared 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 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
1.3.6.1.4.1.2021ucdavisUCD-SNMP-MIB
1.3.6.1.4.1.2021.4memoryUCD-SNMP-MIB
1.3.6.1.4.1.2021.4.13memSharedUCD-SNMP-MIB