A3COM-HUAWEI-LswMSTP-MIB :: hwdot1sMstiStpPortOperBPDUFmt

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsA3COM-HUAWEI-LswMSTP-MIBhwdot1sMstiStpPortOperBPDUFmt

hwdot1sMstiStpPortOperBPDUFmt

Module: A3COM-HUAWEI-LswMSTP-MIB

OID (symbolic): A3COM-HUAWEI-LswMSTP-MIB::hwdot1sMstiStpPortOperBPDUFmt

OID (numeric): 1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.31

Node type: OBJECT-TYPE

Type: Hwdot1sFormatStatus

Access: read-only

Description: The format of MST BPDU which the port is sending. Value legacy means that the format of MST BPDU sending on the port is legacy. Value dot1s means that the format of MST BPDU sending on the port is IEEE 802.1s. Effective in CIST.

What is hwdot1sMstiStpPortOperBPDUFmt?

This read-only enum shows the actual BPDU format this port is using after negotiation. Reflects real interoperability state. Example: dot1s indicates port negotiated IEEE 802.1s format.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.31
snmpwalk -v2c -c public <target> A3COM-HUAWEI-LswMSTP-MIB::hwdot1sMstiStpPortOperBPDUFmt

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.31.1
snmpget -v2c -c public <target> A3COM-HUAWEI-LswMSTP-MIB::hwdot1sMstiStpPortOperBPDUFmt.1

Start monitoring H3C/3Com LAN switches with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the A3COM-HUAWEI-LswMSTP-MIB::hwdot1sMstiStpPortOperBPDUFmt OID value, configure state conditions and alerts, and monitor any H3C/3Com LAN switches from a single console.

OID Breakdown

Upper-level ancestors (12 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
1.3.6.1.4.1.43a3ComA3COM-BRIDGE-R3-MIB
1.3.6.1.4.1.43.45jv_mibA3COM-HUAWEI-OID-MIB
1.3.6.1.4.1.43.45.1huaweiA3COM-HUAWEI-OID-MIB
1.3.6.1.4.1.43.45.1.2hwproductsA3COM-HUAWEI-OID-MIB
1.3.6.1.4.1.43.45.1.2.23lanSwA3COM-HUAWEI-OID-MIB
1.3.6.1.4.1.43.45.1.2.23.1lswCommonA3COM-HUAWEI-OID-MIB
Numeric OIDNameModule
1.3.6.1.4.1.43.45.1.2.23.1.14hwdot1sMstpA3COM-HUAWEI-LswMSTP-MIB
1.3.6.1.4.1.43.45.1.2.23.1.14.20hwdot1sPortTableA3COM-HUAWEI-LswMSTP-MIB
1.3.6.1.4.1.43.45.1.2.23.1.14.20.1hwdot1sPortEntryA3COM-HUAWEI-LswMSTP-MIB
1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.31hwdot1sMstiStpPortOperBPDUFmtA3COM-HUAWEI-LswMSTP-MIB