The standards used for the various layers in an Ethernet-based network that is man-aged by the Internet management protocol is IEEE 802.3 CSMA/CD. Ethernet works at layer 2 of OSI model(7 layers). The commonly used protocol for management of network devices is known as Simple Network Management Protocol, i.e. SNMP Solution The standards used for the various layers in an Ethernet-based network that is man-aged by the Internet management protocol is IEEE 802.3 CSMA/CD. Ethernet works at layer 2 of OSI model(7 layers). The commonly used protocol for management of network devices is known as Simple Network Management Protocol, i.e. SNMP.