MSTP_1.3.6.1.4.1.2011.5.25.42.4.2.7 hwMstpiEdgePortChanged

Description

MSTP/4/EDGEPORT_DISABLE:OID [oid] When the port receives a BPDU packet, the edged-port attribute will be disabled. (InstanceID=[INTEGER], PortID=[INTEGER], IfIndex=[INTEGER], EdgePortEnableState=[INTEGER], PortName=[STRING])

The edge port lost the attributes of an edge port after receiving BPDUs.

Attribute

Alarm ID	Alarm Severity	Alarm Type
1.3.6.1.4.1.2011.5.25.42.4.2.7	Warning	communicationsAlarm(2)

Parameters

Name	Meaning
oid	Indicates the MIB object ID of the alarm.
InstanceID	Indicates the instance ID.
PortID	Indicates the port ID.
IfIndex	Indicates the interface index.
EdgePortEnableState	Indicates whether BPDU-guard is enabled on the edge port.
PortName	Indicates the port name.

Impact on the System

The network topology may be changed.

Possible Causes

The edge port received BPDUs.

Procedure

Check whether the interface should be specified as an edge port.
- If so, go to Step 2.
- If not, go to Step 3.
Locate the source of the BPDUs on the interface and check whether the malicious attack exists.
- If so, go to Step 4.
- If not, go to Step 3.
Run the undo stp edged-port and undo shutdown commands in the interface view to delete the configuration of the edge port and restart the interface. Then, check whether the alarm is cleared.
- If the alarm is cleared, go to Step 5.
- If the alarm is not cleared, go to Step 4.
Collect alarm information and configuration information, and then contact technical support personnel.
End.

Related Information

None.