This standard defines Structure of Management Information version 2 (SMIv2) Management Information Base (MIB) module specifications for IEEE Std 802.3 Ethernet and associated managed object branch and leaf assignments used in the variable descriptors in IEEE Std 802.3 Variable Request operations, administration, and maintenance protocol data unit (OAMPDU). The purpose of the standard is to define Structure of Management Information version 2 (SMIv2) MIB module specifications for IEEE Std 802.3 and associated managed object branch and leaf assignments and publish them in a machine-readable format. Revision Standard - Active. This standard defines Structure of Management Information version 2 (SMIv2) MIB module specifications for IEEE Std 802.3 Ethernet and associated managed object branch and leaf assignments used in the variable descriptors in IEEE Std 802.3 Variable Request operations, administration, and maintenance protocol data units (OAMPDU).