MSTP_1.3.6.1.4.1.2011.5.25.42.4.2.19 hwMstpProNewPortStateDiscarding

Description

MSTP/4/PROPDISC:OID [oid] The MSTP Process's Port has been set to discarding state. (ProcessID=[INTEGER], InstanceID=[INTEGER], PortID1=[INTEGER], PortID2=[INTEGER], PortID3=[INTEGER], PortID4=[INTEGER], PortIDFlag=[INTEGER], IfIndex=[INTEGER], PortState=[INTEGER], PortName=[STRING])

The link status of MSTP process changed, and the port enters the Discarding state.

Attribute

Alarm ID Alarm Severity Alarm Type

1.3.6.1.4.1.2011.5.25.42.4.2.19

Warning

communicationsAlarm(2)

Parameters

Name Meaning

oid

Indicates the MIB object ID of the alarm.

ProcessID

Indicates the MSTP process ID

InstanceID

Indicates the instance ID.

PortID1

Indicates ID 1 of the port in the MSTP process.

PortID2

Indicates ID 2 of the port in the MSTP process.

PortID3

Indicates ID 3 of the port in the MSTP process.

PortID4

Indicates ID 4 of the port in the MSTP process.

PortIDFlag

Indicates the port flag.

IfIndex

Indicates the port index.

PortState

Indicates the port state.

PortName

Indicates the port name.

Impact on the System

The network topology will be changed.

Possible Causes

1.

The network topology changes that the port changes from the Forwarding state into the Discarding state.

2.

A new link is added. After the topology calculation, the port enters the Discarding state.

Procedure

  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 [ instance instance-id ] [ interface interface-type interface-number ] [ 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

None.

Parent Topic: MSTP
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