| OID | Object | Syntax | Max Access | Description | Implemented Specifications | 
|---|---|---|---|---|---|
| 1.3.6.1.4.1.2011.5.25.187.1.4 | hwPtpSlaveOnly | INTEGER{true(1),false(2)} | read-write | PTP device's SlaveOnly attribute. | The actually supported access is read-only. |