| OID | Object | Binding Variable | Description | Implemented Specifications | 
|---|---|---|---|---|
| 1.3.6.1.4.1.2011.5.25.42.4.2.4 | hwMstpiPortRootGuarded | 
 | When the port of root bridge protection receives packets with higher priority, it triggers alarm. Reason: A switch with higher priority and out of the root bridge protection circle attempts to preempt the status of the root bridge. Advice: Reduce in the specified MSTI the priority of switches that are directly or indirectly connected to the port. Re-configure the root bridge protection of the port. | This object is implemented as defined in the corresponding MIB files. |