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Alarm Handling

S9300, S9300E, and S9300X V200R010C00

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

MSTP_1. hwMstpiPortStateForwarding


MSTP/4/PFWD:OID [oid] The port has been set to forwarding state. (InstanceID=[INTEGER], PortInstanceID=[INTEGER], PortID=[INTEGER], IfIndex=[INTEGER], PortName=[STRING])

A new link is added and the port enters the forwarding state.


Alarm ID Alarm Severity Alarm Type Warning communicationsAlarm(2)


Name Meaning


Indicates the MIB object ID of the alarm.


Indicates the instance ID.


Indicates the ID of the instance to which the interface belongs.


Indicates the interface ID.


Indicates the interface index.


Indicates the interface name.

Impact on the System

The network topology will change.

Possible Causes


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


The network topology has changed, because a port may be up or down.


  1. View physical devices on the network to check whether new physical connections enabled with STP are added.

    • If so, go to Step 2.

    • If not, go to Step 3.

  2. Check whether the added physical link is necessary.

    • If so, go to Step 3.

    • If not, go to Step 4.

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

    • If so, go to Step 6.

    • If not, go to Step 5.

  4. Correctly deploy the network topology, and then check whether the alarm is cleared.

    • If the alarm is cleared, go to Step 6.

    • If the alarm is not cleared, go to Step 3.

  5. Collect alarm information and configuration information, and then contact technical support personnel.
  6. End.

Related Information


Updated: 2019-08-21

Document ID: EDOC1000142054

Views: 184088

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