| OID | Object | Binding Variable | Description | Implemented Specifications | 
|---|---|---|---|---|
| 1.3.6.1.4.1.2011.5.25.42.4.2.7 | hwMstpiEdgePortChanged | 
 | When the edged-port receives a BPDU packet, the edged-port attribute will be disabled. Then the SNMP trap is generated. | This object is implemented as defined in the corresponding MIB files. |