| OID | Object | Binding Variable | Description | Implemented Specifications | 
|---|---|---|---|---|
| 1.3.6.1.4.1.2011.5.25.42.4.2.22 | hwMstpProNewPortBpduGuarded | 
 | When a port enabled with the BPDU guard function of the MSTP process receives BPDUs, an alarm message is generated. Cause: An edge port enabled with the BPDU guard function receives BPDUs. Solution: Manually restart the port because the port is shut down under the attack of BPDUs. | This object is implemented as defined in the corresponding MIB files. |