Apple-macintosh-system-mib :: fileVRefNum

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsApple-macintosh-system-mibfileVRefNum

fileVRefNum

Module: Apple-macintosh-system-mib

OID (symbolic): Apple-macintosh-system-mib::fileVRefNum

OID (numeric): 1.3.6.1.4.1.63.1.2.5.1.1

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: A unique ID that determines the volume the file is in. The name of the volume and its other parameters can be determined from the Volume list with the matching volRefNum. This volume is local.

What is fileVRefNum?

A read-only integer giving the volume reference number (working directory reference) of the volume containing a file being tracked on the Macintosh file system.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.63.1.2.5.1.1
snmpwalk -v2c -c public <target> Apple-macintosh-system-mib::fileVRefNum

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.63.1.2.5.1.1.1
snmpget -v2c -c public <target> Apple-macintosh-system-mib::fileVRefNum.1

Start monitoring Apple Macintosh computers with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the Apple-macintosh-system-mib::fileVRefNum OID value, configure state conditions and alerts, and monitor any Apple Macintosh computers 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
1.3.6.1.4.1.63appleApple-macintosh-system-mib
1.3.6.1.4.1.63.1macintoshApple-macintosh-system-mib
1.3.6.1.4.1.63.1.2softwareApple-macintosh-system-mib
1.3.6.1.4.1.63.1.2.5systemFilesTableApple-macintosh-system-mib
1.3.6.1.4.1.63.1.2.5.1fileEntryApple-macintosh-system-mib
1.3.6.1.4.1.63.1.2.5.1.1fileVRefNumApple-macintosh-system-mib