NB30MIB :: nb30DeviceTimeTopChg

MIB Reference — IPNetwork Monitor · Updated September 21, 2026

All MIBs › NB30MIB › nb30DeviceTimeTopChg

nb30DeviceTimeTopChg

Module: NB30MIB

OID (symbolic): NB30MIB::nb30DeviceTimeTopChg

OID (numeric): 1.3.6.1.4.1.52.1.6.12.1.19

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: The time in seconds that has elapsed since the bridge's Topology Change Flag last recorded the value of a topology change.

What is nb30DeviceTimeTopChg?

The time, in seconds, since the bridge's Topology Change flag last recorded a change -- effectively how long the spanning tree topology has been stable.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.52.1.6.12.1.19
snmpwalk -v2c -c public <target> NB30MIB::nb30DeviceTimeTopChg

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.52.1.6.12.1.19.1
snmpget -v2c -c public <target> NB30MIB::nb30DeviceTimeTopChg.1

Start monitoring NB30 bridge/DSX WAN interconnect device with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the NB30MIB::nb30DeviceTimeTopChg OID value, configure state conditions and alerts, and monitor any NB30 bridge/DSX WAN interconnect device from a single console.

OID Breakdown

Upper-level ancestors (10 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
1.3.6.1.4.1.52cabletronCabletron-MIB
1.3.6.1.4.1.52.1commsDeviceCabletron-MIB
1.3.6.1.4.1.52.1.6subsystemCabletron-MIB
1.3.6.1.4.1.52.1.6.12nb30Rev1IRM-OIDS
Numeric OIDNameModule
1.3.6.1.4.1.52.1.6.12.1nb30DeviceNB30MIB
1.3.6.1.4.1.52.1.6.12.1.19nb30DeviceTimeTopChgNB30MIB