NB30MIB :: nb30PortTopChgAck

MIB Reference — IPNetwork Monitor · Updated September 21, 2026

All MIBs › NB30MIB › nb30PortTopChgAck

nb30PortTopChgAck

Module: NB30MIB

OID (symbolic): NB30MIB::nb30PortTopChgAck

OID (numeric): 1.3.6.1.4.1.52.1.6.12.4.1.1.22

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: The value of the topology change acknowledgement flag in the next configuration BPDU to be transmitted on the associated port. Applies to the LOCAL and REMOTE Ethernet ports where instance 1 always refers to the local ethernet port and instance 2 always refers to the remote ethernet port.

What is nb30PortTopChgAck?

Reports the value of the topology-change-acknowledgment flag that will be set in the next spanning-tree configuration BPDU transmitted on this port.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.52.1.6.12.4.1.1.22
snmpwalk -v2c -c public <target> NB30MIB::nb30PortTopChgAck

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.52.1.6.12.4.1.1.22.1
snmpget -v2c -c public <target> NB30MIB::nb30PortTopChgAck.1

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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
1.3.6.1.4.1.52.1.6.12.4nb30PortNB30MIB
1.3.6.1.4.1.52.1.6.12.4.1nb30PortTableNB30MIB
1.3.6.1.4.1.52.1.6.12.4.1.1nb30PortEntryNB30MIB
1.3.6.1.4.1.52.1.6.12.4.1.1.22nb30PortTopChgAckNB30MIB