Contents

HH3C-LswMSTP-MIB· 1

About this MIB· 1

MIB file name· 1

Notifications· 1

hh3cPortMstiStateForwarding· 1

hh3cPortMstiStateDiscarding· 2

hh3cBridgeLostRootPrimary· 3

hh3cPortMstiRootGuarded· 4

hh3cPortMstiBpduGuarded· 5

hh3cPortMstiLoopGuarded· 5

hh3cMstiNewRoot 6

hh3cMstiTopologyChange· 7

hh3cPortMstiLostEdge· 8

hh3cMstiTcGuarded· 9

hh3cMstiProTcGuarded· 10

hh3cPortPvstPvidInconsistent 11

hh3cPortPvstPortTypeInconsistent 12

 

 

HH3C-LswMSTP-MIB

About this MIB

Spanning tree protocols eliminate loops by selectively blocking ports to prune the loop structure into a loop-free tree structure.

This MIB defines private MIB objects for MSTP.

MIB file name

hh3c-splat-mstp.mib

Notifications

hh3cPortMstiStateForwarding

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.1	A port transits to the forwarding state.	Informational	Warning	-	OFF

 

Notification triggers

This notification might be generated when a port transits to the forwarding state in the following situations:

The network topology changes after a new link is added.

The network topology changes after a port comes up or goes down.

System impact

The network topology changes.

Status control

ON

CLI: Use the stp port-log command.

OFF

CLI: Use the undo stp port-log command.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.19.1.1 (hh3cdot1sInstanceID)	Instance ID.	hh3cdot1sInstanceID	INTEGER	0..4094
1.3.6.1.4.1.25506.8.35.14.20.1.1 (hh3cdot1sMstiPortIndex)	Port index.	hh3cdot1sInstanceID hh3cdot1sMstiPortIndex	INTEGER	1..65535

 

Recommended action

To resolve this issue:

1.Check for link failures after the network topology becomes stable.

2.Identify whether the spanning tree feature is enabled on a new physical link.

3.Identify whether a spanning tree-enabled port in the network topology has come up or gone down.

4.Collect alarm information and configuration data, and then contact H3C Support for help.

hh3cPortMstiStateDiscarding

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.2	A port transits to the discarding state.	Informational	Warning	-	OFF

 

Notification triggers

This notification might be generated when a port transits to the discarding state in the following situations:

The network topology changes.

The network topology is recalculated after a new link is added.

System impact

The network topology changes.

Status control

ON

CLI: Use the stp port-log command.

OFF

CLI: Use the undo stp port-log command.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.19.1.1 (hh3cdot1sInstanceID)	Instance ID.	hh3cdot1sInstanceID	INTEGER	0..4094
1.3.6.1.4.1.25506.8.35.14.20.1.1 (hh3cdot1sMstiPortIndex)	Port index.	hh3cdot1sInstanceID hh3cdot1sMstiPortIndex	INTEGER	1..65535

 

Recommended action

To resolve this issue:

1.Identify whether a new physical link is added in the spanning tree network after the network topology becomes stable.

2.Collect alarm information and configuration data, and then contact H3C Support for help.

hh3cBridgeLostRootPrimary

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.3	The device loses its root bridge role after another device is elected as root bridge.	Informational	Warning	-	ON

 

Notification triggers

This notification might be generated when the device loses its root bridge role after another device is elected as root bridge in the following situations:

A new link is added to the network topology.

The priority of a device changes in the network topology.

System impact

The network topology might not be presented as expected.

Status control

This notification cannot be disabled.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.19.1.1 (hh3cdot1sInstanceID)	Instance ID.	hh3cdot1sInstanceID	INTEGER	0..4094

 

Recommended action

To resolve this issue:

1.Identify whether a new physical link is added in the spanning tree network.

2.Identify whether a priority change operation has been performed and verify that the operation is correct.

3.Collect alarm information and configuration data, and then contact H3C Support for help.

hh3cPortMstiRootGuarded

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.4	A root guard-enabled port receives a configuration BPDU with a higher priority.	Informational	Warning	-	OFF

 

Notification triggers

This notification might be generated when the following events occur:

A root guard-enabled port receives a configuration BPDU with a priority higher than the current bridge.

The priority of a device in the network topology changes.

System impact

The network topology might not be presented as expected.

Status control

ON

CLI: Use the stp root-protection command.

MIB: Set hh3cdot1sMstiPortRootGuard to true(1).

OFF

MIB: Set hh3cdot1sMstiPortRootGuard to false(2).

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.19.1.1 (hh3cdot1sInstanceID)	Instance ID.	hh3cdot1sInstanceID	INTEGER	0..4094
1.3.6.1.4.1.25506.8.35.14.20.1.1 (hh3cdot1sMstiPortIndex)	Port index.	hh3cdot1sInstanceID hh3cdot1sMstiPortIndex	INTEGER	1..65535

 

Recommended action

To resolve this issue:

1.Identify whether a new physical link is added in the spanning tree network.

2.Identify whether a priority change operation has been performed and verify that the operation is correct.

3.Collect alarm information and configuration data, and then contact H3C Support for help.

hh3cPortMstiBpduGuarded

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.5	A BPDU guard-enabled edge port receives configuration BPDUs.	Informational	Warning	-	OFF

 

Notification triggers

This notification is generated when a BPDU guard-enabled edge port receives configuration BPDUs.

System impact

The user network connected to the port is interrupted.

Status control

ON

CLI: Use the stp bpdu-protection command.

MIB: Set hh3cdot1sMstBpduGuard to true(1).

OFF

MIB: Set hh3cdot1sMstBpduGuard to false(2).

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.2.1.17.2.15.1.1 (dot1dStpPort)	Port index.	dot1dStpPort	INTEGER	1..65535

 

Recommended action

To resolve this issue:

● Verify that the downstream device is an endpoint device.

● Check for possible attacks from other devices.

hh3cPortMstiLoopGuarded

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.6	An alternate port or root port does not receive a BPDU upon BPDU reception timeout.	Informational	Warning	-	OFF

 

Notification triggers

This notification might be generated when an alternate port or root port does not receive a BPDU upon BPDU reception timeout in the following situations:

The peer port does not send a BPDU to the local end before the BPDU reception time expires. The spanning tree feature might be disabled on the peer port.

The link connected to the peer end is congested. Verify that traffic can be forwarded correctly.

System impact

The alternate port or root port cannot forward service traffic.

Status control

ON

CLI: Use the stp loop-protection command.

MIB: Set hh3cdot1sMstiPortLoopGuard to true(1).

OFF

MIB: Set hh3cdot1sMstiPortLoopGuard to false(2).

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.19.1.1 (hh3cdot1sInstanceID)	Instance ID.	hh3cdot1sInstanceID	INTEGER	0..4094
1.3.6.1.4.1.25506.8.35.14.20.1.1 (hh3cdot1sMstiPortIndex)	Port index.	hh3cdot1sInstanceID hh3cdot1sMstiPortIndex	INTEGER	1..65535

 

Recommended action

To resolve this issue:

● Verify that the spanning tree status of the upstream device is correct.

● Check for possible attacks from other devices.

hh3cMstiNewRoot

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.7	A new root bridge is elected.	Informational	Warning	-	OFF

 

Notification triggers

This notification might be generated when a new root bridge is elected in the following situations:

The current bridge joins a new network topology.

The priority of the current bridge increases.

The original root bridge fails.

The priority of the original root bridge decreases.

System impact

The network topology changes. Service traffic loss might occur.

Status control

ON

CLI: Use the snmp trap enable stp new-root command.

OFF

CLI: Use the undo snmp trap enable stp new-root command.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.19.1.1 (hh3cdot1sInstanceID)	Instance ID.	hh3cdot1sInstanceID	INTEGER	0..4094
1.3.6.1.4.1.25506.8.35.14.19.1.4 (hh3cdot1sMstiDesignedRoot)	Root bridge information.	hh3cdot1sInstanceID	BridgeId
1.3.6.1.4.1.25506.8.35.14.19.1.4 (hh3cdot1sMstiDesignedRoot)	Root bridge information.	hh3cdot1sInstanceID	BridgeId

 

Recommended action

To resolve this issue:

● Verify that the bridge priority configuration on devices is correct.

● Check for possible attacks from other devices.

hh3cMstiTopologyChange

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.9	The network topology changes after the spanning tree state of ports changes.	Informational	Warning	-	ON

 

Notification triggers

This notification might be generated when the spanning tree state changes of ports cause network topology changes in the following situations:

The network topology changes after a new link is added.

The network topology changes after a port comes up or goes down.

The network topology changes after the priority of a device changes.

Network topology change causes discarding port change after the cost value or priority of a port is changed.

System impact

The network topology changes. Service traffic loss might occur.

Status control

This notification cannot be disabled.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.19.1.1 (hh3cdot1sInstanceID)	Instance ID.	hh3cdot1sInstanceID	INTEGER	0..4094

 

Recommended action

To resolve this issue:

1.Identify whether a new physical link is added in the spanning tree network.

2.Identify whether a spanning tree-enabled port has come up or gone down in the network topology.

3.Collect alarm information and configuration data, and then contact H3C Support for help.

hh3cPortMstiLostEdge

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.10	An edge port receives BPDUs.	Informational	Warning	-	ON

 

Notification triggers

This notification is generated when an edge port receives BPDUs and becomes a non-edge port.

System impact

The network topology might change.

Status control

This notification cannot be disabled.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.20.1.1 (hh3cdot1sMstiPortIndex)	Port number.	hh3cdot1sMstiPortIndex	INTEGER	1..65535
1.3.6.1.2.1.2.2.1.2  (ifDescr)	Interface name.	ifIndex	OCTET STRING	OCTET STRING(0..255)
1.3.6.1.4.1.25506.8.35.14.19.1.1 (hh3cdot1sInstanceID)	Instance ID.	hh3cdot1sInstanceID	INTEGER	0..4094

 

Recommended action

To resolve this issue:

1.Verify that the peer network attached to the edge port has changed and identify whether the received BPDUs are malicious attack packets.

2.Collect alarm information and configuration data, and then contact H3C Support for help.

hh3cMstiTcGuarded

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.11	The number of TC-BPDUs received by the device exceeds the upper threshold.	Informational	Warning	-	ON

 

Notification triggers

This notification is generated when the number of TC-BPDUs received by the device exceeds the upper threshold within a TC-BPDU protection period.

System impact

The excessive TC-BPDUs do not immediately cause MAC and ARP entry deletion. The network topology does not change immediately.

Status control

ON

CLI: Use the stp tc-protection command.

OFF

CLI: Use the undo stp tc-protection command.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.19.1.1 (hh3cdot1sInstanceID)	Instance ID.	hh3cdot1sInstanceID	INTEGER	0..4094

 

Recommended action

To resolve this issue:

1.Identify whether the network topology is flapping.

2.Identify whether malicious attacks exist.

3.Collect alarm information and configuration data, and then contact H3C Support for help.

hh3cMstiProTcGuarded

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.12	The number of TC-BPDUs received by the device exceeds the upper threshold.	Informational	Warning	-	ON

 

Notification triggers

This notification is generated when the number of TC-BPDUs received by the device exceeds the upper threshold within a TC-BPDU protection period.

System impact

The excessive TC-BPDUs do not immediately cause MAC and ARP entry deletion. The network topology does not change immediately.

Status control

ON

CLI: Use the stp tc-protection command.

OFF

CLI: Use the undo stp tc-protection command.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.19.1.1 (hh3cdot1sInstanceID)	Instance ID.	hh3cdot1sInstanceID	INTEGER	0..4094
1.3.6.1.4.1.25506.8.35.14.22.1 (hh3cMstiTcGuardVal)	Upper threshold	N/A	Integer32	Integer32  (1..255)

 

Recommended action

To resolve this issue:

1.Identify whether the network topology is flapping.

2.Identify whether malicious attacks exist.

hh3cPortPvstPvidInconsistent

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.17	PVID inconsistency.	Informational	Warning	N/A (N/A)	OFF

 

Notification triggers

This notification is generated when an interface receives a BPDU with a different PVID.

System impact

PVST calculation errors might occur.

Status control

ON

CLI: Use the stp ignore-pvid-inconsistency command.

OFF

CLI: Use the undo stp ignore-pvid-inconsistency command.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.22.2  (hh3cPvstPvid)	PVID.	N/A	Integer32	Integer32  (1..4094)
1.3.6.1.4.1.25506.8.35.14.22.3  (hh3cPvstPvidInPdu)	PVID in packets.	N/A	Integer32	Integer32  (1..4094)
1.3.6.1.2.1.2.2.1.2 (ifDescr)	Interface name.	ifIndex	OCTET STRING	OCTET STRING (0..255)

 

Recommended action

To resolve this issue:

1.Identify whether different PVIDs are required on two connected ports:

  - If yes, use the stp ignore-pvid-inconsistency command to disable inconsistent PVID protection.

  - If no, modify the different PVIDs to be the same.

hh3cPortPvstPortTypeInconsistent

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.8.35.14.0.18	Port type inconsistency.	Informational	Warning	N/A (N/A)	OFF

 

Notification triggers

This notification is generated when an access port receives a PVST BPDU from a trunk or hybrid port.

System impact

PVST calculation errors might occur.

Status control

This notification cannot be disabled.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.8.35.14.22.6  (hh3cMstiVlanID)	VLAN ID.	N/A	Integer32	Integer32  (1..4094)
1.3.6.1.2.1.2.2.1.2 (ifDescr)	Interface name.	ifIndex	OCTET STRING	OCTET STRING (0..255)

 

Recommended action

To resolve this issue:

1.Identify whether the port types of the two ends are the same:

  - If yes, proceed to step 2.

  - If no, modify the port types to be the same. If the issue persists, proceed to step 2.

2.Collect alarm information, log messages, and configuration data, and then contact H3C Support for help.