IEEE8021-MSTP-MIB :: ieee8021MstpCistPortTopologyChangeAck

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsIEEE8021-MSTP-MIBieee8021MstpCistPortTopologyChangeAck

ieee8021MstpCistPortTopologyChangeAck

Module: IEEE8021-MSTP-MIB

OID (symbolic): IEEE8021-MSTP-MIB::ieee8021MstpCistPortTopologyChangeAck

OID (numeric): 1.3.111.2.802.1.1.6.1.3.1.6

Node type: OBJECT-TYPE

Type: TruthValue

Access: read-only

Description: The Port's Topology Change Acknowledge parameter value. True(1) if a Configuration Message with a topology change acknowledge flag set is to be transmitted.

What is ieee8021MstpCistPortTopologyChangeAck?

True(1) if this port is about to send a Configuration Message with its topology-change-acknowledge flag set, part of the legacy STP handshake for confirming receipt of a topology change notice.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.111.2.802.1.1.6.1.3.1.6
snmpwalk -v2c -c public <target> IEEE8021-MSTP-MIB::ieee8021MstpCistPortTopologyChangeAck

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.111.2.802.1.1.6.1.3.1.6.1
snmpget -v2c -c public <target> IEEE8021-MSTP-MIB::ieee8021MstpCistPortTopologyChangeAck.1

Start monitoring Vendor-neutral IEEE 802.1s standard (enterprise/campus Ethernet bridge or switch, MSTP) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the IEEE8021-MSTP-MIB::ieee8021MstpCistPortTopologyChangeAck OID value, configure state conditions and alerts, and monitor any Vendor-neutral IEEE 802.1s standard (enterprise/campus Ethernet bridge or switch, MSTP) from a single console.

OID Breakdown

Upper-level ancestors (3 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.111.2.802.1.1ieee802dot1mibsIEEE8021-TC-MIB
Numeric OIDNameModule
1.3.111.2.802.1.1.6ieee8021MstpMibIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1ieee8021MstpObjectsIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1.3ieee8021MstpCistPortTableIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1.3.1ieee8021MstpCistPortEntryIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1.3.1.6ieee8021MstpCistPortTopologyChangeAckIEEE8021-MSTP-MIB