| OID | Object | Binding Variable | Description | Implemented Specifications | 
|---|---|---|---|---|
| 1.3.6.1.4.1.2011.5.25.121.2.1.11 | hwMplsTunnelOBSwitch | 
 | This notification indicates that the primary CR-LSP is down and the Ordinary backup CR-LSP is up. | This object is implemented as defined in the corresponding MIB files. |