This table is used to query Layer 2 information on a board.
The index of the table is entPhysicalIndex.
| OID | Object | Syntax | Max Access | Description | Implemented Specifications | 
|---|---|---|---|---|---|
| 1.3.6.1.4.1.2011.5.25.42.2.1.5.1.1 | hwMacEntityUsage | Integer32{(0,100)} | read-only | This object indicates the utilization ratio of the MAC address table on each interface board. | The actually supported access is accessible-for-notify. | 
| 1.3.6.1.4.1.2011.5.25.42.2.1.5.1.2 | hwMacEntityUsageThreshold | Integer32{(0,100)} | read-write | This object indicates that the MAC address usage fell below the alarm threshold. | The actually supported access is accessible-for-notify. |