| OID | Object | Binding Variable | Description | Implemented Specifications | 
|---|---|---|---|---|
| 1.3.6.1.4.1.2011.5.25.119.4.1.9.1 | hwPWVcSwitchWtoPExpand | 
 | This notification is generated when switch from working PW to protect PW happens. | This object is implemented as defined in the corresponding MIB files. |