A3COM-HUAWEI-LswMSTP-MIB

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Last Updated: 2001-06-29

Category: VLAN and Bridging, Vendor: H3C/HH3C

Description: Manages Multiple Spanning Tree Protocol (MSTP) instances, port roles, and topology-change events on H3C switches.

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What Is A3COM-HUAWEI-LswMSTP-MIB?

A3COM-HUAWEI-LswMSTP-MIB is an H3C/3Com vendor MIB for managing Multiple Spanning Tree Protocol (MSTP, IEEE 802.1s) on H3C LAN switches, covering per-instance spanning-tree configuration and topology state. It exposes objects for MSTP instances, per-port roles (root, designated, alternate, etc.) within each instance, and topology-change event tracking. Its monitoring value is in Layer-2 topology health: an operator can watch for unexpected port role transitions or a burst of topology-change events, typically indicating a physical link flap, a misconfigured redundant link, or a bridging loop forming. It builds on the standard MSTP/802.1s bridging model as a vendor-specific management layer, so it is used alongside standard bridge MIBs for a complete Layer-2 picture. It's deployed on H3C LAN switches running MSTP in networks with redundant Layer-2 links requiring loop prevention. Engineers can download the A3COM-HUAWEI-LswMSTP-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in A3COM-HUAWEI-LswMSTP-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

H3C (Huawei-3Com) LAN switch running MSTP

Monitoring Examples

No concrete object or table names were provided for this module, so specific OIDs cannot be cited; based on its stated scope, a monitoring scenario would poll per-instance, per-port MSTP role/state objects to detect a port unexpectedly entering blocking/alternate state, and watch topology-change counters/traps to spot a link flapping and triggering repeated spanning-tree recalculation. Confirming exact object names would require the underlying MIB source.

What Can Be Monitored

MSTP instance configuration
per-port spanning tree role/state
topology change events/counters

Imported Objects

From A3COM-HUAWEI-OID-MIB

lswCommon

OBJECT-IDENTITY

From BRIDGE-MIB

dot1dStpPort
dot1dStpPortEntry

From SNMPv2-SMI

Counter32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

TEXTUAL-CONVENTION
TruthValue

How to Use in IPNetwork Monitor

Example using hwdot1sMstiStpRXStpBPDU OID:

Select an H3C/3Com LAN switch as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type hwdot1sMstiStpRXStpBPDU into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. The number of received Config BPDU. Effective in CIST. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter32-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
NTF hwBridgeLostRootPrimary	1.3.6.1.4.1.43.45.1.2.23.1.14.0.3			The SNMP trap that is generated when the bridge is no longer the root bridge of the instance. Another switch with higher priority has already been the root bridge of the instance.
INT hwdot1sAdminMstID	1.3.6.1.4.1.43.45.1.2.23.1.14.18.1.2	INTEGER	read-write	Administrative Multiple spanning-tree instance Identifier.
hwdot1sInstanceEntry	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1		not-accessible
INT hwdot1sInstanceID	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.1	INTEGER	read-only	Multiple spanning-tree instance Identifier
hwdot1sInstanceTable	1.3.6.1.4.1.43.45.1.2.23.1.14.19		not-accessible
INT hwdot1sMstAdminFormatSelector	1.3.6.1.4.1.43.45.1.2.23.1.14.8	INTEGER	read-write	The administrative Configuration Identifier Format Selector in use by the Bridge. This has a value of 0 indicate the format specified in the Standard of IEEE 802.1s.
OCT hwdot1sMstAdminRegionName	1.3.6.1.4.1.43.45.1.2.23.1.14.9	OCTET STRING	read-write	This MSTP administrative region name.
INT hwdot1sMstAdminRevisionLevel	1.3.6.1.4.1.43.45.1.2.23.1.14.10	INTEGER	read-write	This MSTP administrative revision level.
ENA hwdot1sMstBpduGuard	1.3.6.1.4.1.43.45.1.2.23.1.14.7	EnabledStatus	read-write	Whether the Bridge BPDU Guard function is enabled. If the function is enabled, the port will shutdown when received BPDU and the port is configured as portfast.
INT hwdot1sMstBridgeMaxHops	1.3.6.1.4.1.43.45.1.2.23.1.14.4	INTEGER	read-write	The maximum value of the Bridge hops.
INT hwdot1sMstDefaultRegionName	1.3.6.1.4.1.43.45.1.2.23.1.14.17	INTEGER	read-write	Set default region name.
INT hwdot1sMstDefaultVlanAllo	1.3.6.1.4.1.43.45.1.2.23.1.14.16	INTEGER	read-write	Set default configuration about VLAN allocation and all VLANs are mapped to CIST.
OCT hwdot1sMstiAdminMappedVlanListHigh	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.10	OCTET STRING	read-only	The higher part of administrative Vlan list mapped to the spanning tree instance identified by MSTID
OCT hwdot1sMstiAdminMappedVlanListLow	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.9	OCTET STRING	read-only	The lower part of administrative Vlan list mapped to the spanning tree instance identified by MSTID
BRI hwdot1sMstiBridgeID	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.2	BridgeId	read-only	The Bridge Identifier for the spanning tree instance identified by MSTID
INT hwdot1sMstiBridgePriority	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.3	INTEGER	read-write	The Bridge Priority for the spanning tree instance identified by MSTID. Step of 4096
BRI hwdot1sMstiDesignatedBridge	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.7	BridgeId	read-only	The Bridge Identifier of the bridge which this port considers to be the Designated Bridge for this port's segment.
INT hwdot1sMstiDesignatedCost	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.6	INTEGER	read-only	The path cost of the Designated Port of the segment connected to this port. This value is compared to the Root Path Cost field in received bridge PDUs.
OCT hwdot1sMstiDesignatedPort	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.8	OCTET STRING	read-only	The Port Identifier of the port on the Designated Bridge for this port's segment.
BRI hwdot1sMstiDesignatedRoot	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.5	BridgeId	read-only	The Bridge Identifier of the Root Bridge for the port of the Spanning Tree instance identified by the MSTID
BRI hwdot1sMstiDesignedRoot	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.4	BridgeId	read-only	The Bridge Identifier of the Root Bridge for the spanning tree instance identified by MSTID
BRI hwdot1sMstiMasterBridgeID	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.9	BridgeId	read-only	The Bridge Idnetifier of the current Master Bridge. Effective in CIST.
INT hwdot1sMstiMasterPortCost	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.10	INTEGER	read-only	The CIST path cost from the transmitting Bridge to the Master Bridge. Effective in CIST.
OCT hwdot1sMstiOperMappedVlanListHigh	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.12	OCTET STRING	read-only	The higher part of operative Vlan list mapped to the spanning tree instance identified by MSTID
OCT hwdot1sMstiOperMappedVlanListLow	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.11	OCTET STRING	read-only	The lower part of operative Vlan list mapped to the spanning tree instance identified by MSTID
INT hwdot1sMstiPathCost	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.4	INTEGER	read-write	The contribution of this port to the path cost of paths towards the spanning tree root which include this port. The range of path cost is 1..65535 for 802.1d standard, is 1..200000000 for 802.1t standard, and is 1..200000 for the legacy standard.
INT hwdot1sMstiPortIndex	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.1	INTEGER	read-only	The index of the Bridge Port
ENA hwdot1sMstiPortLoopGuard	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.27	EnabledStatus	read-write	Whether the loop protection is enabled. Effective in CIST.
INT hwdot1sMstiPortPriority	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.3	INTEGER	read-write	The value of the priority field which is contained in the first (in network byte order) four bits of the (2 octet long) Port ID. The other octet of the Port ID is given by the value of mstiPortIndex. And step of 16
ENA hwdot1sMstiPortRootGuard	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.26	EnabledStatus	read-write	Whether the root guard is enabled. Effective in CIST.
INT hwdot1sMstiRemainingHops	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.8	INTEGER	read-only	The remaining hops of the spanning tree instance identified by MSTID
INT hwdot1sMstiRootPathCost	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.5	INTEGER	read-only	The path cost from the transmitting Bridge to the Root Bridge for the spanning tree instance identified by MSTID
INT hwdot1sMstiRootPort	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.6	INTEGER	read-only	The Root Port for the spanning tree instance identified by the MSTID
INT hwdot1sMstiRootType	1.3.6.1.4.1.43.45.1.2.23.1.14.19.1.7	INTEGER	read-write	Config this Bridge as a primary root or secondary root and or cancel the root for this spanning tree instance identified by MSTID
INT hwdot1sMstiState	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.2	INTEGER	read-only	The current state of the Port (i.e., Disabled, Discarding , Learning, Forwarding)
INT hwdot1sMstiStpClearStatistics	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.23	INTEGER	read-write	Clear the spanning tree statistic. Effective in CIST.
INT hwdot1sMstiStpDefaultPortCost	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.24	INTEGER	read-write	Set default Port path cost.
INT hwdot1sMstiStpMcheck	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.13	INTEGER	read-write	Forcing the state machine to send MST BPDUs in this manner can be used to test whether all legacy Bridges on a given LAN have been removed. Effective in CIST.
INT hwdot1sMstiStpOperPortPointToPoint	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.29	INTEGER	read-only	This object indicates whether the port has connected to a point-to-point link or not. The value of the node is an operative value. The administrative value can be read from the node hwdot1sMstiStpPortPointToPoint. If the value of hwdot1sMstiStpPortPointToPoint is auto, the value of this node should be calculated by the network topology of this port. If the value of hwdot1sMstiStpPortPointToPoint is forceFalse, the value of this node is false. If the value of hwdot1sMstiStpPortPointToPoint is forceTrue, the value of this node is true.
HWD hwdot1sMstiStpPortAdminBPDUFmt	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.30	Hwdot1sFormatStatus	read-write	The value of the node is an administrative value. Value legacy means that the MST BPDU format is forced to legacy. Value dot1s means that the MST BPDU format is forced to IEEE 802.1s. Value auto means that the format of MST BPDU sending on the port is determined by the MST BPDU that the port has received. Effective in CIST.
T/F hwdot1sMstiStpPortDisputed	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.34	TruthValue	read-only	Whether the port is disputed for the CIST or MSTI.
ENA hwdot1sMstiStpPortEdgeport	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.11	EnabledStatus	read-write	Whether the port fast is enabled. Effective in CIST.
HWD hwdot1sMstiStpPortOperBPDUFmt	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.31	Hwdot1sFormatStatus	read-only	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.
INT hwdot1sMstiStpPortPointToPoint	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.12	INTEGER	read-write	Whether the port connects the point to point link. Effective in CIST.
ENA hwdot1sMstiStpPortRoleRestriction	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.32	EnabledStatus	read-write	Whether the role-restriction is enabled. Effective in CIST. The role-restriction causes the port not to be selected as root port for the CIST or any MSTI.
INT hwdot1sMstiStpPortSendingBPDUType	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.28	INTEGER	read-only	Type of BPDU which the port is sending.
ENA hwdot1sMstiStpPortTcRestriction	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.33	EnabledStatus	read-write	Whether the tc-restriction is enabled. Effective in CIST. The tc-restriction causes the port not to propagate topology changes to other ports.
C32 hwdot1sMstiStpRXMSTPBPDU	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.21	Counter32	read-only	The number of received MST BPDU. Effective in CIST.
C32 hwdot1sMstiStpRXRSTPBPDU	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.19	Counter32	read-only	The number of received RST BPDU. Effective in CIST.
C32 hwdot1sMstiStpRXStpBPDUEx	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.15	Counter32	read-only	The number of received Config BPDU. Effective in CIST.
C32 hwdot1sMstiStpRXTCNBPDU	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.17	Counter32	read-only	The number of received TCN BPDU. Effective in CIST.
ENA hwdot1sMstiStpStatus	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.25	EnabledStatus	read-write	Whether the spanning tree protocol is enabled on this port. Effective in CIST.
INT hwdot1sMstiStpTransLimit	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.14	INTEGER	read-write	The value used by the Port Transmit state machine to limit the maximum transmission rate. Effective in CIST.
C32 hwdot1sMstiStpTXMSTPBPDU	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.22	Counter32	read-only	The number of transimitted MST BPDU. Effective in CIST.
C32 hwdot1sMstiStpTXRSTPBPDU	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.20	Counter32	read-only	The number of transimitted RST BPDU. Effective in CIST.
C32 hwdot1sMstiStpTXStpBPDU	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.16	Counter32	read-only	The number of transmitted Config BPDU. Effective in CIST.
C32 hwdot1sMstiStpTXTCNBPDU	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1.18	Counter32	read-only	The number of transimitted TCN BPDU. Effective in CIST.
BRI hwdot1sMstMasterBridgeID	1.3.6.1.4.1.43.45.1.2.23.1.14.5	BridgeId	read-only	The Bridge Identifier of the current Master Bridge.
INT hwdot1sMstMasterPathCost	1.3.6.1.4.1.43.45.1.2.23.1.14.6	INTEGER	read-only	The CIST path cost from the transmitting Bridge to the Master Bridge.
OCT hwdot1sMstOperConfigDigest	1.3.6.1.4.1.43.45.1.2.23.1.14.14	OCTET STRING	read-only	This MSTP Region's Configuration Digest Signature Key.
INT hwdot1sMstOperFormatSelector	1.3.6.1.4.1.43.45.1.2.23.1.14.11	INTEGER	read-only	The operative Configuration Identifier Format Selector in use by the Bridge. This has a value of 0 indicate the format specified in the Standard of IEEE 802.1s.
OCT hwdot1sMstOperRegionName	1.3.6.1.4.1.43.45.1.2.23.1.14.12	OCTET STRING	read-only	This MSTP operative region name.
INT hwdot1sMstOperRevisionLevel	1.3.6.1.4.1.43.45.1.2.23.1.14.13	INTEGER	read-only	This MSTP operative revision level.
hwdot1sMstp	1.3.6.1.4.1.43.45.1.2.23.1.14
INT hwdot1sMstRegionConfActive	1.3.6.1.4.1.43.45.1.2.23.1.14.15	INTEGER	read-write	Active the region configuration.
INT hwdot1sMstVID	1.3.6.1.4.1.43.45.1.2.23.1.14.18.1.1	INTEGER	read-only	VLAN Identifier
INT hwdot1sOperMstID	1.3.6.1.4.1.43.45.1.2.23.1.14.18.1.3	INTEGER	read-only	Operative Multiple spanning-tree instance Identifier.
hwdot1sPortEntry	1.3.6.1.4.1.43.45.1.2.23.1.14.20.1		not-accessible
hwdot1sPortTable	1.3.6.1.4.1.43.45.1.2.23.1.14.20		not-accessible
INT hwdot1sStpDiameter	1.3.6.1.4.1.43.45.1.2.23.1.14.3	INTEGER	read-write	The diameter of Bridge.
INT hwdot1sStpForceVersion	1.3.6.1.4.1.43.45.1.2.23.1.14.2	INTEGER	read-write	The mode of this Bridge spanning-tree protocol.
INT hwdot1sStpPathCostStandard	1.3.6.1.4.1.43.45.1.2.23.1.14.21	INTEGER	read-write	Path cost standard of the bridge. Value dot1d-1998 is IEEE 802.1d standard in 1998, value dot1t is IEEE 802.1t standard, and value legacy is a private legacy standard.
ENA hwdot1sStpStatus	1.3.6.1.4.1.43.45.1.2.23.1.14.1	EnabledStatus	read-write	Whether the Bridge MSTP is enabled.
hwdot1sVIDAllocationEntry	1.3.6.1.4.1.43.45.1.2.23.1.14.18.1		not-accessible
hwdot1sVIDAllocationTable	1.3.6.1.4.1.43.45.1.2.23.1.14.18		not-accessible
hwMstpEventsV2	1.3.6.1.4.1.43.45.1.2.23.1.14.0			Definition point for Mstp notifications.
NTF hwPortMstiBpduGuarded	1.3.6.1.4.1.43.45.1.2.23.1.14.0.5			The SNMP trap that is generated when an edged port of the BPDU-guard switch receives BPDU packets.
NTF hwPortMstiLoopGuarded	1.3.6.1.4.1.43.45.1.2.23.1.14.0.6			The SNMP trap that is generated when an Alternate-Port or Root-Port is aged out.
NTF hwPortMstiRootGuarded	1.3.6.1.4.1.43.45.1.2.23.1.14.0.4			The SNMP trap that is generated when a root-guard port receives a superior message on the relevant instance.
NTF hwPortMstiStateDiscarding	1.3.6.1.4.1.43.45.1.2.23.1.14.0.2			The SNMP trap that is generated when a port turns into discarding state form forwarding state.
NTF hwPortMstiStateForwarding	1.3.6.1.4.1.43.45.1.2.23.1.14.0.1			The SNMP trap that is generated when a port turns into forwarding state form other state.

RFC description

Multiple Spanning Tree Protocol (MSTP) management on Huawei LAN switches including BPDU guards and loop detection.

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