GSWITCH-MIB :: nbsMacFirstGap

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsGSWITCH-MIBnbsMacFirstGap

nbsMacFirstGap

Module: GSWITCH-MIB

OID (symbolic): GSWITCH-MIB::nbsMacFirstGap

OID (numeric): 1.3.6.1.4.1.629.2.11

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: The index of the first gap (empty record) in the MAC table

What is nbsMacFirstGap?

This read-only OID reports the index of the first empty (unused) slot in the MAC address table, a low-level detail mainly useful to the agent itself when allocating new address entries.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.629.2.11
snmpwalk -v2c -c public <target> GSWITCH-MIB::nbsMacFirstGap

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.629.2.11.1
snmpget -v2c -c public <target> GSWITCH-MIB::nbsMacFirstGap.1

Start monitoring Nbase Communications (later Nbase-Xyplex) managed Ethernet switch with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the GSWITCH-MIB::nbsMacFirstGap OID value, configure state conditions and alerts, and monitor any Nbase Communications (later Nbase-Xyplex) managed Ethernet switch 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
1.3.6.1.4.1.629nbaseGSWITCH-MIB
1.3.6.1.4.1.629.2gswitchGSWITCH-MIB
1.3.6.1.4.1.629.2.11nbsMacFirstGapGSWITCH-MIB