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Alarm Handling

CloudEngine 12800 and 12800E V200R005C00

This document provides the explanations, causes, and recommended actions of alarms on the product.
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MSTP_1.3.6.1.4.1.2011.5.25.42.4.2.6 hwMstpiPortLoopGuarded

MSTP_1.3.6.1.4.1.2011.5.25.42.4.2.6 hwMstpiPortLoopGuarded

Description

The loop protection port did not receive BPDU packets within prescriptive time. (InstanceID=[InstanceID], PortIndex=[PortIndex], IfIndex=[IfIndex], PortName=[PortName], PwName=[PwName])

The port that has loop protection enabled did not receive BPDUs within the specified time.

Attribute

Attribute Description

Alarm or Event

Event

Trap Severity

Warning

Mnemonic Code

hwMstpiPortLoopGuarded

Trap OID

1.3.6.1.4.1.2011.5.25.42.4.2.6

Alarm ID

This is an event trap and does not involve alarm ID.

Alarm Type

This is an event trap and does not involve alarm type.

Raise or Clear

This is an event trap and does not involve alarm generation or clearance.

Match trap

This is an event trap and does not involve the matching trap.

Parameters

Parameter Description
InstanceID Indicates the instance ID.
PortIndex Indicates the instance ID of the port.
IfIndex Indicates the interface index.
PortName Indicates the port name.
PwName Indicates the pw name.

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.42.4.1.19.1.1

hwMstpInstanceID

hwMstpInstanceID

1.3.6.1.4.1.2011.5.25.42.4.1.20.1.1

hwMstpInstanceID

hwMstpiPortIndex

1.3.6.1.2.1.31.1.1.1.1

hwMstpiPortIndex

ifName

Impact on the System

The interface will not forward data.

Possible Causes

Cause 1: The spanning tree function was disabled on the peer device.

Cause 2: The links connected to the peer were congested.

Procedure

  • Cause 1: The spanning tree function was disabled on the peer device.
    1. Run the display stp [ process process-id ] [ instance instance-id ] [ interface interface-type interface-number | slot slot-id ] [ brief ] command to check whether STP is disabled on the interfaces that are directly connected.

      • If STP is disabled on the interfaces that are directly connected, go to Step 2.
      • If STP is enabled on the interfaces that are directly connected, go to Step 3.

    2. Run the stp enable command in the interface view to enable STP. Then, check whether the alarm is cleared. If the alarm persists, go to Step 3.
    3. Collect trap, log, and configuration information, and contact technical support personnel.
  • Cause 2: The links connected to the peer were congested.
    1. Check whether the link between the local device and the neighbor device is congested.

      • If the link is congested, go to Step 2.
      • If the link is not congested, go to Step 3.

    2. Repair the physical link and then check whether the alarm is cleared. If the alarm persists, go to Step 3.
    3. Collect trap, log, and configuration information, and contact technical support personnel.
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Updated: 2019-04-20

Document ID: EDOC1100039527

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