ANNEX-MIB :: freeCallouts

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsANNEX-MIBfreeCallouts

freeCallouts

Module: ANNEX-MIB

OID (symbolic): ANNEX-MIB::freeCallouts

OID (numeric): 1.3.6.1.4.1.15.2.2.24

Node type: OBJECT-TYPE

Type: Gauge

Access: read-only

Description: The current number of free Callout structures.

What is freeCallouts?

Current number of available timer callback structures at query time. Real-time indicator of event-scheduling headroom. Example: 512 structures currently free.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.15.2.2.24
snmpwalk -v2c -c public <target> ANNEX-MIB::freeCallouts

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.15.2.2.24.1
snmpget -v2c -c public <target> ANNEX-MIB::freeCallouts.1

Start monitoring Bay Networks/Xylogics terminal/remote-access servers with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ANNEX-MIB::freeCallouts OID value, configure state conditions and alerts, and monitor any Bay Networks/Xylogics terminal/remote-access servers 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
1.3.6.1.4.1.15xylogicsANNEX-MIB
1.3.6.1.4.1.15.2annexANNEX-MIB
1.3.6.1.4.1.15.2.2swANNEX-MIB
1.3.6.1.4.1.15.2.2.24freeCalloutsANNEX-MIB