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Alarm Handling

CloudEngine 8800, 7800, 6800, and 5800 V200R002C50

This document provides the explanations, causes, and recommended actions of alarms on the product.
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MSTP_1.3.6.1.4.1.2011.5.25.42.4.2.20 hwMstpProNewBridgeLostRootPrimary

MSTP_1.3.6.1.4.1.2011.5.25.42.4.2.20 hwMstpProNewBridgeLostRootPrimary

Description

MSTP process is no longer the root bridge of the instance. (ProcessID=[ProcessID],InstanceID=[InstanceID],proInstRootType=[proInstRootType])

This bridge is no longer the root bridge of the instance.

Attribute

Attribute Description

Alarm or Event

Event

Trap Severity

Warning

Mnemonic Code

hwMstpProNewBridgeLostRootPrimary

Trap OID

1.3.6.1.4.1.2011.5.25.42.4.2.20

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

ProcessID

Indicates the MSTP process ID.

InstanceID

Indicates the instance ID.

proInstRootType

Indicates the root type.

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.42.4.1.28.1.6

hwMstpProID;hwMstpInstanceID;

hwMstpProInstanceRootType

Impact on the System

The actual network topology may not be the same as the expected one.

Possible Causes

Cause 1: A new link was added to the network topology, and the network topology changed.

Cause 2: The priorities of some switches changed on the network.

Procedure

  • Cause 1: A new link was added to the network topology, and the network topology changed.
    1. Check whether the added physical link is necessary.

      • If the added physical link is necessary, go to Step 2.
      • If the added physical link is unnecessary, go to Step 3.

    2. Run the display stp [ process process-id ] [ instance instance-id ] [ interface interface-type interface-number ] [ brief ] command to check whether the interfaces are consistent with the STP calculation results.

      • If the interfaces are consistent with the STP calculation results, no action is required.
      • If the interfaces are inconsistent with the STP calculation results, go to Step 4.

    3. Correctly deploy the network topology, and then check whether the alarm is cleared. If the alarm persists, go to Step 4.
    4. Collect trap, log, and configuration information, and contact technical support personnel.
  • Cause 2: The priorities of some switches changed on the network.
    1. Run the display stp [ process process-id ] [ instance instance-id ] [ interface interface-type interface-number | slot slot-id ] [ brief ] command to check whether the operation of changing the priority is correct in the network topology.

      • If the operation is correct, no action is required.
      • If the operation is incorrect, go to Step 2.

    2. Run the stp [ instance instance-id ] priority priority command to reset the priority of the local bridge as required. Alternatively, run the undo stp [ instance instance-id ] priority command or the undo stp [ instance instance-id ] root command to restore the default value of the priority of the local bridge. 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: 2019-03-20

Document ID: EDOC1000166558

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