| OID | Object | Binding Variable | Description | Implemented Specifications | 
|---|---|---|---|---|
| 1.3.6.1.4.1.2011.5.25.42.4.2.23 | hwMstpProNewPortLoopGuarded | 
 | Specify that the root port has not received any BPDU packets for a long time when loop protection is enabled in MSTP process. | This object is implemented as defined in the corresponding MIB files. |