Oracle Switch ES2-72 has 18 QSFP+ ports that are 40Gbps/10Gbps/1Gbps capable. Ports on Oracle Switch ES2-72 are referred to as extreme-ethernet 0/1 to 0/72.
Oracle Switch ES2-64 has 6 QSFP+ ports which are 40Gbps/10Gbps/1Gbps capable and 40 RJ-45 ports which are 10Gbps/1Gbps/100Mbps capable. Ports on Oracle Switch ES2-64 are referred to as extreme-ethernet 0/1 to 0/64.