MSTP_1.3.6.1.4.1.2011.5.25.42.4.2.7 hwMstpiEdgePortChanged

Trap Buffer Description

After the edge port receives a BPDU packet, the port is no longer an edge port. (InstanceID=[InstanceID], PortIndex=[PortIndex], EdgePortEnableState=[EdgePortEnableState], IfIndex=[IfIndex], PortName=[PortName], PwName=[PwName])

Specify that the edge port is invalid because of receiving a BPDU packet

Trap Attributes

Trap Attribute	Description
Alarm or Event	Event
Trap Severity	Warning
Mnemonic Code	EDGE_PORT_CHANGED
Trap OID	1.3.6.1.4.1.2011.5.25.42.4.2.7
MIB	HUAWEI-MSTP-MIB
Alarm ID	This is an event trap and does not involve alarm ID.
Alarm Name	This is an event trap and does not involve alarm name.
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	-

Trap Buffer Parameters

Parameter	Description
InstanceID	Indicates the instance ID.
PortIndex	Indicates the port ID.
EdgePortEnableState	Indicates whether BPDU-guard is enabled on the edge port.
IfIndex	Indicates the interface index.
PortName	Indicates the port name.
PwName	Indicates the PW name.

VB Parameters

VB OID	VB Name	VB Index
1.3.6.1.4.1.2011.5.25.42.4.1.20.1.9	hwMstpiStpPortEdgeport	hwMstpInstanceID hwMstpiPortIndex
1.3.6.1.2.1.31.1.1.1.1	ifName	ifIndex
1.3.6.1.4.1.2011.5.25.42.4.1.33	hwMstpPwName	-

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.42.4.1.20.1.9

hwMstpiStpPortEdgeport

hwMstpInstanceID

hwMstpiPortIndex

1.3.6.1.2.1.31.1.1.1.1

ifName

ifIndex

1.3.6.1.4.1.2011.5.25.42.4.1.33

hwMstpPwName

-

Procedure

1. Check whether the interface is directly connected to a user terminal and can be specified as an edge port.

If the interface is directly connected to a user terminal and therefore can be specified as an edge port, go to Step 2.
If the interface is indirectly connected to a user terminal and therefore cannot be specified as an edge port, go to Step 3.

2. Locate the source of the BPDUs on the interface and check whether the malicious attack exists.

If the malicious attack exists, go to Step 4.
If the malicious attack does not exist, go to Step 3.

3. Run the undo stp edged-port command and the undo shutdown command 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 persists, go to Step 4.

4. Collect alarm information and configuration information, and then contact technical support personnel.