DH90-MIB :: db90TopologyChangeFlag

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › DH90-MIB › db90TopologyChangeFlag

db90TopologyChangeFlag

Module: DH90-MIB

OID (symbolic): DH90-MIB::db90TopologyChangeFlag

OID (numeric): 1.3.6.1.4.1.36.2.18.3.5.3.4.2

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: A flag that indicates whether a Topology Change is currently in effect on the extended LAN.

What is db90TopologyChangeFlag?

Flags whether a Spanning Tree topology change is currently in effect across the extended LAN, letting an operator know the forwarding database may still be relearning addresses.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.36.2.18.3.5.3.4.2
snmpwalk -v2c -c public <target> DH90-MIB::db90TopologyChangeFlag

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.36.2.18.3.5.3.4.2.1
snmpget -v2c -c public <target> DH90-MIB::db90TopologyChangeFlag.1

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OID Breakdown

Upper-level ancestors (9 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
1.3.6.1.4.1.36decCMU-MIB
1.3.6.1.4.1.36.2emaDEC-ATM-CHASSIS-MIB
1.3.6.1.4.1.36.2.18decMIBextensionDEC-ATM-CHASSIS-MIB
Numeric OIDNameModule
1.3.6.1.4.1.36.2.18.3decExpDH90-MIB
1.3.6.1.4.1.36.2.18.3.5db90extDH90-MIB
1.3.6.1.4.1.36.2.18.3.5.3db90bridgeDH90-MIB
1.3.6.1.4.1.36.2.18.3.5.3.4db90SpanDH90-MIB
1.3.6.1.4.1.36.2.18.3.5.3.4.2db90TopologyChangeFlagDH90-MIB